Pentest Companies Directory

Showing 5801-5900 of 7758 companies (Page 59 of 78)

Terra Security

Terra Security

Agentic AI Continuous Penetrat...
Israel 25 employees

Israeli cybersecurity firm based in Tel Aviv; specializes in penetration testing, red team, and ethical hacking with offerings like Agentic AI Continuous PTaaS; explicitly markets pentest capabilities and offensive security services; founded and headquartered in Israel, with core operations anchored there.

Penetration Testing
Red Team
Ethical Hacking
+1 more
SHAVIT GROUP LTD

SHAVIT GROUP LTD

Infrastructure Penetration Tes...
Israel 10 employees

Israeli private cybersecurity firm founded in 2019 with 8 employees and 10% YoY growth; specializes in tailored security solutions including penetration testing, infrastructure, and application testing; active in ISO27001, GDPR, SOC2, and cyber security categories; 612 monthly website visits.

Penetration Testing
GRC Compliance
CISO As A Service
+5 more
Team Secure Israel

Team Secure Israel

Automated and Manual Penetrati...
Israel

Israeli cybersecurity firm specializing in organizational security services; offers penetration testing (pentest) including ethical hacking with automated and manual testing, and detailed reporting • Based in Israel; Hebrew branding and internal pages confirm Israeli operation.

Penetration Testing
Organizational Security Consulting
Security Code Review
+5 more
Adversa AI

Adversa AI

AI Red Teaming
Israel 6 employees

Israeli cybersecurity firm based in Tel Aviv; specializes in AI security with a Red Teaming platform that simulates cyber attacks for AI agents, applications, and models; recognized for tailored AI security solutions and agentic security capabilities.

AI Red Teaming
Penetration Testing
Threat Modeling
+4 more
Cybia

Cybia

Web, Mobile, and Network Penet...
Israel 13 employees

Cybia Ltd., headquartered in Israel, offers advanced cybersecurity services with a focus on penetration testing for web, mobile, and network systems; explicitly lists penetration testing as a core service, emphasizing real-world attack simulations and remediation support.

Penetration Testing
Proactive Security
Threat Response
+2 more
Tcm Technologies Ltd

Tcm Technologies Ltd

Cybersecurity Penetration Test...
Israel 8 employees

Israeli cybersecurity firm specializing in penetration testing services; headquartered in Israel with a focus on IT security and security services, confirmed by company profile, website, and LinkedIn presence.

Penetration Testing
Risk Surveys
Certification Preparation
+5 more
DeepKeep

DeepKeep

GenAI Penetration Testing
Israel 36 employees

Israeli cybersecurity company specializing in penetration testing and AI security assessments; HQ in Tel Aviv, Israel; offers GenAI Risk Assessment Module focusing on vulnerability detection and data leakage prevention.

Penetration Testing
AI Risk Assessment
AI Firewall
+4 more
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Lasso

Lasso

Generative AI Red Teaming
Israel 40 employees

Israeli cybersecurity firm based in Tel Aviv; provides automated red-teaming and penetration testing services for Generative AI security, including vulnerability scanning, attack simulation, and defense deployment at scale.

Automated Red Teaming
Penetration Testing
Vulnerability Scanning
+5 more
Astoria Cyber

Astoria Cyber

Operational Technology Penetra...
Israel 7 employees

Cybersecurity company headquartered in Herzliya, Israel, providing energy-focused cybersecurity solutions and proprietary AI-driven energy optimization platforms; offers penetration testing, vulnerability assessment, and security compliance services, with a focus on renewable energy and power plant security.

Penetration Testing
Vulnerability Assessment
Security Compliance Audit
+5 more
Cyber 72

Cyber 72

Black Box Penetration Testing
Israel 2 employees

Cyber 72 is a cybersecurity solutions provider headquartered in Tel Aviv, Israel; specializes in customized cybersecurity strategies and penetration testing services, including black box testing and vulnerability assessments.

Security Advisory
Technical Assurance
Assessment Services
+2 more
Deepchecks

Deepchecks

Penetration Testing for LLM-Ba...
Israel 23 employees

Deepchecks is a cybersecurity and AI testing company based in Tel Aviv, Israel; it provides penetration testing services for LLM-based applications, supporting security, bias, jailbreak, and prompt injection testing, with a focus on enabling rapid, high-quality AI deployment.

Penetration Testing
LLM Evaluation
AI Testing
+5 more
Saifort

Saifort

Web Application Testing
Israel 3 employees

Cybersecurity company headquartered in Israel; provides penetration testing services to identify vulnerabilities and enhance organizational security.

Security Operation Center (soc) Services
CISO As A Service
Penetration Testing
+3 more
Dor-systems It

Dor-systems It

Network and System Penetration...
Israel 14 employees

Israeli-based IT services provider with over 25 years of experience; offers advanced, customized IT solutions including cybersecurity, business continuity, and information security; provides penetration testing (בדיקות חדירה) as part of its expert consulting services.

IT Services
Cybersecurity
Business Continuity
+5 more
010 - Secure & Empower Businesses

010 - Secure & Empower Businesses

Network and Web Application Pe...
Netanya, Israel 6 employees

Israeli IT services and consulting firm specializing in managed security, including penetration testing, IT management, and data protection; 6 employees; Founded 2010; Based in Netanya, Israel; Offers customized security solutions with 24/7 support through authorized resellers.

Cyber Protection
IT Management
Data Protection
+5 more
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VERITI, a Check Point Company

VERITI, a Check Point Company

Exposure Assessment and Remedi...
tel-aviv, Israel 32 employees

Cybersecurity company specializing in security controls optimization, penetration testing, vulnerability scanning, and security audits; founded in 2021 in Tel Aviv, Israel; 27 employees with -30.4% YoY growth; $8.6M annual revenue and $18.5M total funding; recognized as a Gartner sample vendor in 2023; offers AI-driven exposure assessment and remediation solutions for SaaS and cloud security.

Exposure Assessment
Vulnerability Remediation
Penetration Testing
+5 more
Fortinet

Fortinet

Comprehensive Security Penetra...
Israel 10272 employees

Cybersecurity company based in Israel; offers penetration testing services through FortiGuard Penetration Testing Service, with detailed datasheets and official documentation; headquartered in Ramat Gan, Israel.

Penetration Testing
Network Security
Unified SASE
+5 more
Zenity

Zenity

AI Agent and Microsoft 365 Red...
Israel 125 employees

Israeli cybersecurity firm based in Tel Aviv; provides security assessment services including penetration testing and red-team threat visualization across platforms like Microsoft 365; actively involved in industry conferences such as BlackHat 2024 and AI Agent Security Summit 2025.

Penetration Testing
Red-team Threat Visualization
AI Observability
+4 more
Incede Labs

Incede Labs

Cybersecurity Penetration Test...
Rehovot, Israel 6 employees

Incede Labs is an Israel-based IT Services and IT Consulting firm specializing in embedded software, cybersecurity, big data, and compliance solutions for healthcare and medical devices; with 5 employees, it offers penetration testing and security services, and has a global rank of #10,203,783 with 1,215 monthly visits.

Bug-free Software
Embedded Software Development
Cybersecurity
+4 more
Stream.security

Stream.security

Cloud Penetration Testing
Israel 53 employees

Israel-based cybersecurity firm specializing in AI-driven cloud detection and response; provides penetration testing and security assessment services, with explicit references to pentest activities and simulations on its website.

Penetration Testing
Security Assessment
Cloud Detection And Response
+2 more
Taldor

Taldor

Breach and Attack Simulation
Israel 2200 employees

Israeli IT company specializing in cybersecurity solutions with a focus on penetration testing; offers security testing via Cymulate platform for attack simulation; based in Israel with a comprehensive range of IT services.

Cybersecurity
Penetration Testing
Infrastructure Solutions
+5 more
Apiiro

Apiiro

Change-Driven Penetration Test...
Israel 146 employees

Israel-based cybersecurity company specializing in application security; offers an agentic platform with risk detection, AI security inventory, and integration with development pipelines; provides penetration testing services via ASPM, agile pentesting, and partnerships with NetSPI; analyzes over 100,000 code repositories.

Application Security Posture Management
Penetration Testing
Agile Penetration Testing
+5 more
CTERA Networks

CTERA Networks

Cloud Data Security Penetratio...
Israel 189 employees

Private enterprise software company specializing in hybrid cloud data management and security; headquartered in Petah Tikvah, Israel, with regional offices in the UK, Italy, France, Spain, Germany, and Australia; provides penetration testing and security assessment services.

Hybrid Cloud Data Management
Secure Data Services
Ransomware Protection
+5 more
Mer Group

Mer Group

Application Security Testing
Israel 212 employees

Israeli holding company with three autonomous divisions; cybersecurity division offers penetration testing services using SAST, DAST, and IAST techniques; explicitly identified as based in Israel.

Penetration Testing
Cybersecurity Solutions
Homeland Security Solutions
+5 more
IONIX

IONIX

External Attack Surface Testin...
Israel 106 employees

IONIX is an Israel-based cybersecurity company specializing in attack surface management, penetration testing, and security validation; 66 employees (+7.1% YoY growth), $5.75M annual revenue, $50.3M total funding, Series A in 2024, focuses on vulnerability assessment, red-teaming, and cloud security solutions.

External Exposure Management
Attack Surface Management
Exposure Validation
+5 more
Apiiro

Apiiro

Contextual Risk-Based Penetrat...
Israel 122 employees

Israeli-based cybersecurity firm specializing in application security and agentic security platforms; offers risk management, AI-driven SAST, and partners with NetSPI for penetration testing services. Based in Tel Aviv, Israel, with a focus on enterprise security solutions.

Application Security Posture Management
Ai-driven Static Application Security Testing
Risk Management
+5 more
MalamTeam

MalamTeam

Digital and API Security Penet...
Israel 4200 employees

Israeli cybersecurity and IT services company based in Petach Tikva; specializes in penetration testing and security consulting, with explicit cybersecurity service offerings and a dedicated pentest job listing.

Cloud
Cybersecurity And Communication
Software Development
+5 more
Cymmetria

Cymmetria

Red Teaming and Cyber Deceptio...
Israel 16 employees

Israel-based cybersecurity firm specializing in penetration testing and red teaming; headquartered in Tel Aviv with offices in Denver; offers active defense testing, exposure assessments, and vulnerability detection services.

Penetration Testing
Red Teaming
Active Defense Testing
+3 more
EyalSec | Penetration Testing

EyalSec | Penetration Testing

Web Application Penetration Te...
Israel 1 employees

Cybersecurity consulting firm specializing in penetration testing; based in Israel with a single employee, Eyal Gabay, CEO; offers vulnerability assessments and security testing services, emphasizing a dedicated focus on security testing and advisory.

Penetration Testing
Code Review
Secure Coding Training
+1 more
Hunters

Hunters

Red Team and Penetration Testi...
Israel 67 employees

Cybersecurity company based in Tel Aviv, Israel; specializes in AI-driven SIEM, penetration testing, red teaming, and security assessment services; offers products like SOC platform and Pathfinder AI; confirmed to provide penetration testing services and security engagements.

Ai-driven SIEM
Penetration Testing
Red Teaming
+1 more
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Yael Group

Yael Group

Infrastructure and Cloud Penet...
Israel 2000 employees

Israeli IT company founded in 1963, headquartered in Kfar Saba, specializing in advanced technological solutions including cybersecurity and penetration testing; known for long-term client partnerships and digital transformation services.

Penetration Testing
Risk Assessment
Risk Management
+5 more
Radiflow

Radiflow

OT/ICS Penetration Testing
Israel 60 employees

Israeli cybersecurity firm specializing in OT security; offers penetration testing, breach & attack simulations, and real-time attack testing for operational environments; headquartered in Tel Aviv, Israel.

Penetration Testing
Breach And Attack Simulations
Real-time Attack Testing
+4 more
Skyhawk Security

Skyhawk Security

Cloud Environment Penetration ...
Israel 28 employees

Cybersecurity firm based in Tel Aviv, Israel; offers Red Team-as-a-Service with continuous, autonomous adversarial testing of cloud environments to validate security controls and identify exploitable weaknesses; specializes in active penetration testing and security validation.

Penetration Testing
Red Team-as-a-service
Autonomous Purple Team
+4 more
Pentera

Pentera

Automated Penetration Testing
Israel 318 employees

Israeli cybersecurity firm specializing in AI-powered security validation and automated penetration testing; offers red teaming, vulnerability prioritization, and cloud solutions; based in Tel Aviv with a strong customer trust base and active industry presence.

Automated Penetration Testing
Security Validation
Red Teaming
+3 more
CloudWize

CloudWize

Web Application Penetration Te...
Israel 11 employees

Israeli cybersecurity company based in Netanya; provides cloud security and compliance solutions with a focus on web application penetration testing, including automated vulnerability scanning and security assessments.

Penetration Testing
Vulnerability Assessment
Cloud Security Posture Management
+4 more
Tufin

Tufin

Network Security Penetration T...
Israel 500 employees

Cybersecurity company specializing in security policy management and network automation; headquartered in Tel Aviv, Israel, since 2005; provides penetration testing services as part of vulnerability management offerings.

Security Policy Management
Network Automation
Penetration Testing
+5 more
monday.com

monday.com

Application and Infrastructure...
Israel 2875 employees

Work management platform enabling cross-functional team collaboration with AI-driven project execution; headquartered in Tel Aviv, Israel; provides penetration testing and security assurance services, including red team exercises and infrastructure attack simulations.

Work Management Platform
Ai-driven Project Execution
Penetration Testing
+5 more
ZDS

ZDS

Operational Technology Penetra...
Kiryat Ono, Israel 10 employees

IT services and consulting company based in Israel; specializes in cybersecurity including penetration testing, with 3 employees and 42.9% YoY growth. Founded in 2016, headquartered in Kiryat Ono, Israel, offering cyber security, MSSP, email protection, and IT support.

Cyber Security Consultancy
Penetration Testing
IT & Tech Support
+1 more
Cyberlink

Cyberlink

Cybersecurity and Product Secu...
Israel

Israeli cybersecurity firm specializing in cyber defense and penetration testing; headquartered in Ramat Gan, Israel, with services explicitly including penetration tests, supporting its role in proactive security assessments.

Siem & SOC
CISO As A Service
Penetration Tests
+2 more
Cybenari

Cybenari

Application Security Testing
Israel

Cybersecurity consulting firm based in Israel; specializes in penetration testing, application security, and red team operations; led by Idan Ben‑Ari with 12+ years of experience; located at Herzliya, Israel.

Penetration Testing
Application Security Consulting
Red Team Operations
+1 more
See Security

See Security

Advanced Penetration Testing
Israel 50 employees

Cybersecurity college and consulting firm based in Israel; established in 2002, with 8,000 alumni employed in the cybersecurity sector. Offers cybersecurity education, training, and penetration testing services through See Secure Consulting.

Cybersecurity Education
Cybersecurity Training
Penetration Testing
+3 more
Datafence

Datafence

IT and Wireless Penetration Te...
Israel 5 employees

Cybersecurity consultancy based in Tel Aviv, Israel; provides penetration testing, risk assessments, incident response, and forensics services; explicitly lists penetration testing as a core offering, demonstrating expertise in vulnerability testing and security evaluations.

Penetration Testing
Risk Assessment
Incident Response
+5 more
Marcotech

Marcotech

Web and Application Penetratio...
Israel 10 employees

Israeli cybersecurity firm based in Tel Aviv; specializes in penetration testing, red teaming, and offensive security services; actively promotes pentest skills and partnerships in cybersecurity.

Penetration Testing
Red Teaming
Offensive Security Services
+5 more
North IT | Pen Testing Specialists

North IT | Pen Testing Specialists

Web Application Pentesting
Middlesbrough, United Kingdom 10 employees

Cybersecurity company specializing in penetration testing and application security; 5 employees with 25% monthly and yearly growth; founded in 2012; based in Middlesbrough, UK.

Web App Penetration Testing
Mobile App Penetration Testing
API Penetration Testing
+5 more
MDSec

MDSec

Web Application and Mobile Pen...
United Kingdom 60 employees

MDSec is a UK-based private cybersecurity consultancy specializing in adversary simulation, application security, penetration testing, incident response, research, training, and technical security; with 38 employees (+1.7% YoY growth), $1M annual revenue, founded in 2011, and recognized for expertise in application, mobile, and hardware security, and targeted red team attacks.

Adversary Simulation
Application Security
Penetration Testing
+3 more
Adversify

Adversify

Attack Surface-Led Penetration...
York, United Kingdom 2 employees

Adversify is a UK-based boutique cybersecurity consultancy specializing in penetration testing; CREST-accredited with 2 employees, founded in 2022, headquartered in York, England. The company offers comprehensive security assessments, focusing on application and network security, with a strong emphasis on high-quality, specialized services.

Penetration Testing
Offensive Security Services
Purple Teaming
+2 more
You Gotta Hack That

You Gotta Hack That

Internet of Things Pentesting
Manchester, United Kingdom 3 employees

Cybersecurity consultancy specializing in penetration testing and IoT security; founded in 2017, based in Manchester, UK, with 2 employees and 200% YoY growth; provides services including web, mobile, internal, external, and wireless network penetration testing, with 1,571 monthly visits and ranked #10,597,252 globally.

Penetration Testing
Vulnerability Assessment
Cybersecurity Consulting Specializing In Internet Of Things (iot) And Embedded Systems.
Exosec Limited

Exosec Limited

Network and Application Penetr...
United Kingdom 5 employees

Exosec Limited is a UK-based IT services and cybersecurity consulting firm specializing in penetration testing, red teaming, and security assessments; with 3 employees, founded in 2019, it emphasizes deep technical expertise and a client-first approach in cybersecurity.

Penetration Testing Services
Cyber Armed Security

Cyber Armed Security

Penetration Testing
Other 17 employees

UK-based private IT security company founded in 2020; specializes in penetration testing, bug sweeping, phishing, and intelligence operations; 8 employees; operates in cybersecurity, ethical hacking, open source intelligence, and secure code review; aligned with UN resolutions.

Penetration Testing
Intelligence Services
Bug Sweeping
+2 more
Securebytes® Solutions Ltd

Securebytes® Solutions Ltd

Infrastructure Penetration Tes...
United Kingdom 3 employees

UK-based cybersecurity firm with 2 employees; specializes in penetration testing, ethical hacking, and cybersecurity consulting; CREST registered penetration testers with extensive industry experience; actively engaged in cybersecurity services and social media presence.

Penetration Testing
Vulnerability Assessment
Cybersecurity Consulting
Precursor Security

Precursor Security

CREST Certified Offensive Pene...
Leeds, United Kingdom 35 employees

UK-based cybersecurity company specializing in CREST-certified penetration testing and offensive security services; 20 employees with 29.6% YoY growth; founded in 2018; operates a 24/7 UK SOC; ranked #10,195,298 globally with 1,588 monthly website visits; offers tailored cybersecurity solutions, edge protect tools, and active threat simulation.

Penetration Testing
Security Operations Centre
Compliance
+1 more
Fortifi Cyber

Fortifi Cyber

Network Penetration Testing
Harpenden, United Kingdom 6 employees

Cybersecurity company specializing in CREST-accredited penetration testing; offers network, web, mobile, and red & purple teaming services; founded in 2022, 5 employees, based in Harpenden, UK; 50% YoY growth, global rank #10,785,117, with 1,118 monthly website visits.

Penetration Testing Including Network
Web Application
Large Language Model (llm) Testing
+4 more
Pentest People

Pentest People

Web Application Penetration Te...
Leeds, United Kingdom 113 employees

UK-based security consultancy specializing in Penetration Testing as a Service (PTaaS); 76 employees with 20.2% YoY growth; offers web application and network penetration testing, simulating attacks to identify vulnerabilities; active in cybersecurity market with recent focus on security testing and cyber risk analysis.

Penetration Testing
Vulnerability Scanning
Incident Response
+5 more
SecureTeam Ltd

SecureTeam Ltd

Web Application Pentesting
Other 11 employees

UK-based cybersecurity consultancy founded in 2016; 6 employees with -8.3% YoY growth; specializes in penetration testing, security hardening, Red Team assessments, incident response, and forensics; headquartered in London, UK; provides network & application penetration testing, secure configuration review, and cybersecurity advisory services.

Penetration Testing
Vulnerability Assessment
Secure Configuration Review
+3 more
Realize Security

Realize Security

Network, Application, and Oper...
United Kingdom 3 employees

Cybersecurity company specializing in penetration testing and security assurance; CREST-approved and UKAS-accredited; 2 employees with +200% YoY growth; headquartered in London, UK.

Penetration Testing
Vulnerability Scanning
Attack Surface Management
+2 more
Rootshell Security

Rootshell Security

Continuous Penetration Testing...
Basingstoke, United Kingdom 55 employees

Rootshell Security is a UK-based private IT & Services company specializing in vulnerability management and penetration testing; 35 employees with 1.9% YoY growth, founded in 2019, headquartered in Basingstoke, UK. It is a leading provider of Penetration Testing as a Service (PTaaS), combining innovative technology with seasoned professionals to deliver vendor-agnostic security solutions and continuous threat exposure management.

Penetration Testing
Managed Vulnerability Scanning
Attack Surface Management
+5 more
Moztech Security

Moztech Security

Tailored Penetration Testing
Chesterfield, United Kingdom 4 employees

Cybersecurity consultancy specializing in penetration testing, ethical hacking, and vulnerability assessments; 4 employees; Founded 2019; Chesterfield, UK. Provides IT security testing services to improve client cyber resilience.

Penetration Testing
Vulnerability Scanning
Build And Configuration Reviews
+2 more
Black Belt Security LLC

Black Belt Security LLC

Manual Penetration Testing
United Kingdom 9 employees

Cybersecurity consultancy based in the United Kingdom; specializes in penetration testing, vulnerability assessments, static code reviews, and cloud security with 9 employees, founded in 2019, and a focus on delivering premium security services.

Penetration Testing
Vulnerability Assessments
Security Code Reviews
+2 more
Redscan, A Kroll Business

Redscan, A Kroll Business

Web Application Pentesting
London, United Kingdom 58 employees

Cybersecurity company specializing in managed detection, penetration testing, and incident response; 42 employees, $11.5M revenue, founded 2002 in London, UK; provides explicit penetration testing services including web app testing and ethical hacking.

Managed Detection And Response
Penetration Testing
Red Teaming
+2 more
OALO Security

OALO Security

Web Application Pentesting
United Kingdom 2 employees

Cybersecurity company specializing in penetration testing for websites, mobile applications, and IT systems; founded in 2019 with 2 employees, headquartered in the United Kingdom. Focuses on vulnerability assessment and security improvement guidance.

Penetration Testing
Vulnerability Scanning
Security Consulting
Sentrium Security

Sentrium Security

Advanced Penetration Testing
Cheltenham, United Kingdom 7 employees

UK-based cybersecurity consultancy founded in 2018; 4 employees with 16.7% YoY growth; CREST-approved provider specializing in application, cloud, and penetration testing services, offering comprehensive vulnerability assessments and risk reduction.

Penetration Testing
Vulnerability Assessment
Cyber Security Advisory Services
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BlackBox Pentesters

BlackBox Pentesters

Expert Penetration Testing
London, United Kingdom 7 employees

BlackBox Pentesters is a UK-based cybersecurity firm specializing in penetration testing and information security services; founded in 2025 with 3 employees, it emphasizes simplifying cybersecurity and offers services including red teaming, social engineering, physical, cloud, application, and wifi penetration testing.

Penetration Testing
Red Team Assessments
Social Engineering
+2 more
OnSecurity

OnSecurity

AI-Augmented Penetration Testi...
Bristol, United Kingdom 55 employees

Cybersecurity company specializing in penetration testing and security assessments; 34 employees; founded 2018; Bristol, UK; $14M funding; offers web, cloud, infrastructure testing, phishing, social engineering, physical penetration, and vulnerability scanning.

Crest-accredited Ai-augmented Penetration Testing
Continuous Vulnerability Scanning
Threat Intelligence
+4 more
SecQuest - a NCSC Assured Service Provider

SecQuest - a NCSC Assured Service Provider

Network Security Assessment
United Kingdom 14 employees

UK-based cybersecurity consultancy specializing in penetration testing and security assessments; offers CHECK & CREST services with a team of 9 employees; founded in 2012; provides network, application, and infrastructure security testing, with 7,422 monthly website visits and a global rank of 2,835,237.

Penetration Testing
Network Security Assessment
Application Security Assessment
+2 more
Appsecco

Appsecco

Kubernetes Penetration Testing
Other 6 employees

UK-based private cybersecurity company specializing in application and cloud security testing; 6 employees, founded 2015, last seed funding in 2016, with a focus on penetration testing, vulnerability assessments, and secure software development. They serve clients across industries with expert security testing and actionable insights.

Penetration Testing
Product Security Testing
Cloud Security
+1 more
FORTBRIDGE

FORTBRIDGE

Web Application Pentesting
London, United Kingdom 6 employees

Cybersecurity company specializing in penetration testing and security assessments; offers mobile, web, API, and network pentesting, cloud security review, red teaming, and security architecture; 5 employees; Founded 2020; London, UK.

Penetration Testing
Vulnerability Assessments
Security Consulting
+1 more
Carapace

Carapace

Web Application Pentesting
United Kingdom 5 employees

Cybersecurity company specializing in penetration testing and security assessments; offers external/internal network testing, wireless security, and physical security reviews; founded 2023; 5 employees; headquartered in United Kingdom.

Penetration Testing
Web Application Testing
Wireless Network Testing
+1 more
Forfend Information Security

Forfend Information Security

Infrastructure and Application...
Birmingham, United Kingdom 8 employees

Cybersecurity consultancy based in Birmingham, UK; 4 employees with 33.3% YoY growth since 2022; specializes in penetration testing, application security, and wireless network testing, emphasizing comprehensive support and client engagement.

Penetration Testing
Vulnerability Assessment
IT Health Checks
+5 more
Tradecraft

Tradecraft

Adversary Simulation
Other 4 employees

Tradecraft is a UK-based IT services and cybersecurity consultancy founded in 2017 with 4 employees; it specializes in adversary simulation and vulnerability exploitation, providing penetration testing-like security assessments. The company is registered in England & Wales (Company No. 10984430) and operates from London, with a focus on security testing and cyber defense services.

Adversary Simulation
Red-team Style Testing
Vulnerability Assessment
+1 more
XRAY CyberSecurity

XRAY CyberSecurity

Penetration Testing Services
Other 8 employees

UK-registered private cybersecurity firm specializing in penetration testing; offers external/internal network pentests, application testing, and social engineering; 6 employees; founded 2013; headquartered in London, UK; internationally certified with active social media presence.

Penetration Testing Including External And Internal Network Pentests
Application Pentests
Social Engineering Attacks
Akimbo Core

Akimbo Core

Web Application Pentesting
Blackpool, United Kingdom 5 employees

Akimbo Core is a UK-based cybersecurity firm founded in 2021, with 4 employees specializing in penetration testing, cybersecurity training, and consultancy; it has a growing online presence with 3,422 monthly visits and a global rank of #4,513,234.

Penetration Testing
Cybersecurity Training
Consultancy Services
Foregenix

Foregenix

Web Application Pentesting
Swindon, United Kingdom 93 employees

UK-based IT services and cybersecurity company specializing in penetration testing, forensics, and compliance; 60 employees, $9.9M revenue, founded 2009, headquartered in Swindon, UK; offers network, web, mobile, wireless, and cloud penetration testing services, with recent activity including collaborations and spin-outs.

Penetration Testing
Cybersecurity Compliance
Digital Forensics And Incident Response
+2 more
Cyndicate Labs

Cyndicate Labs

Red Team and Attack Simulation
Birmingham, United Kingdom 9 employees

UK-based cybersecurity consultancy specializing in penetration testing and red teaming; 6 employees with 28.6% YoY growth, founded in 2020, headquartered in Birmingham, UK. Offers web application testing, cyber scheme assessments, and cybersecurity consulting; 8,000 monthly website visits, ranked #2,039,956 globally.

Penetration Testing
Attack Simulation (red And Purple Teams)
Application Testing
+1 more
Pentest Limited

Pentest Limited

Web Application Penetration Te...
Altrincham, United Kingdom 31 employees

Cybersecurity company specializing in penetration testing, red teaming, and consultancy services; 21 employees, $9.7M annual revenue, founded 2001 in Altrincham, UK; offers tailored testing, compliance, workshops, and research activities, with a global web rank of #3,838,798 and 4,379 monthly visits.

Penetration Testing (web
Mobile
Infrastructure
+4 more
Circumvensys

Circumvensys

Vulnerability Assessment & Pen...
United Kingdom 2 employees

UK-based private cybersecurity firm specializing in penetration testing, vulnerability assessments, and managed security services; 2 employees with stable operations and a focus on network and application security testing.

Managed Detection And Response
Governance Risk And Compliance
Red Teaming And Phishing Simulation
+1 more
In.security

In.security

Infrastructure, Network, and A...
United Kingdom 3 employees

Cybersecurity consultancy based in the UK; specializes in penetration testing, red team testing, vulnerability assessments, and cybersecurity training; 3 employees; founded 2018; provides technical security testing and awareness services to organizations.

Penetration Testing
Vulnerability Assessments
Red Team Testing
+4 more
Trethtec Ltd

Trethtec Ltd

Pragmatic Penetration Testing
United Kingdom 2 employees

UK-based cybersecurity firm specializing in penetration testing services such as web application, API, internal, and cloud assessments; offers single and ongoing engagements with active exploitation to identify security vulnerabilities.

Penetration Testing (web Application
API
Internal
+3 more
Securityium

Securityium

Manual and Custom Penetration ...
London, United Kingdom 3 employees

Securityium Ltd is a UK-based cybersecurity firm specializing in penetration testing and vulnerability assessments; with 2 employees and a 57.1% YoY workforce decline, it focuses on high-security testing services for enterprise clients. Founded in 2020 and headquartered in London, it maintains a modest online presence with 2,219 monthly visits and a global rank of #6,583,875.

Penetration Testing
Vulnerability Assessment
IT Security Review And Assurance
+3 more
Pentiq

Pentiq

Web Application Pentesting
London, United Kingdom 8 employees

Cybersecurity company specializing in penetration testing and vulnerability assessments; based in London, UK, with 7 employees, founded in 2016. Offers ethical hacking, social engineering, security training, and compliance services, with active social media presence and a focus on secure testing environments.

Penetration Testing
Cyber Security Consultancy
Training
+3 more
Incursion Cyber Security

Incursion Cyber Security

Business-Focused Penetration T...
Midsomer Norton, United Kingdom 2 employees

Incursion Cyber Security is a UK-based cybersecurity consultancy specializing in penetration testing, security audits, and cyber training; founded in 2022, with 3 employees and a focus on enhancing network security for mid-market clients. They are a highly accredited, boutique firm with a strong emphasis on business-focused security services.

Penetration Testing
Cyber Essentials Certification
Continuous Testing Platform
+3 more
Dhound.io

Dhound.io

Web Application Pentesting
Leeds, United Kingdom 3 employees

Dhound.io is a UK-based cybersecurity firm specializing in manual web and mobile application penetration testing; 3 employees, founded 2015, headquartered in Leeds, with a focus on detecting suspicious activity to prevent attacks. It has a rapid growth rate (+50% monthly) and a modest web presence with 1,316 monthly visits.

Penetration Testing
Ethical Hacking
Security Consulting
+4 more
Securewinds

Securewinds

Web Application Pentesting
Other 2 employees

UK-based cybersecurity firm with 2 employees; specializes in consultancy, penetration testing, and security assessments for digital assets and infrastructure; provides web application penetration testing and cloud security services; headquartered in London, UK.

Penetration Testing For Web
Network
Cloud
+5 more
Heretek

Heretek

Comprehensive Infrastructure a...
United Kingdom 4 employees

Cybersecurity company based in the United Kingdom; specializes in penetration testing for infrastructure, web applications, and APIs, with 3 employees and 33.3% YoY growth; founded in 2023, with a focus on digital transformation, cloud engineering, and IT consultancy.

Penetration Testing
Vulnerability Assessment
Adversary Simulation
+3 more
Cyber Alchemy Ltd.

Cyber Alchemy Ltd.

Red Teaming and Strategic Pene...
sheffield, United Kingdom 5 employees

Cyber Alchemy Ltd. is a UK-based cybersecurity company founded in 2023 with 3 employees; specializes in assessment, penetration testing, red team exercises, cloud assessment, and consultancy; also provides remediation training, ethical hacking, and cyber awareness training; focuses on improving clients' security posture; web presence includes 7,108 monthly visits and a global rank of 2,136,249; core service includes penetration testing.

Penetration Testing
Resilience Assessments
AI Security Services
+3 more
Pen Test Partners

Pen Test Partners

Web Application Pentesting
Buckingham, United Kingdom 110 employees

Cybersecurity company specializing in penetration testing services across networks, applications, and cloud; 67 employees, $6.1M revenue, founded 2010, based in Buckingham, UK; recognized for expertise in red teaming, testing, and security consulting, with 28,414 monthly website visits and global rank #1,041,359.

Penetration Testing
Red Teaming
Attack Surface Assessment
+5 more
Razorthorn Security

Razorthorn Security

CREST Accredited Penetration T...
Tunbridge Wells, United Kingdom 17 employees

Cybersecurity consultancy specializing in penetration testing, compliance, and consulting; 14 employees with -10.5% YoY growth; CREST-accredited pentesting across infrastructure, wireless, web, and mobile; Recognized by Gartner; Founded 2007; Tunbridge Wells, UK.

Cybersecurity Consultancy
Penetration Testing
Continuous Threat Exposure Management
+2 more
Mobius Binary

Mobius Binary

Internal and External Penetrat...
Bath, United Kingdom 12 employees

IT services company specializing in cybersecurity penetration testing; provides internal and external penetration testing, web app testing, vulnerability assessments, and OSINT; 8 employees; Founded 2021; Bath, UK.

Penetration Testing
Vulnerability Assessment
Red Teaming
+1 more
Sencode Cyber Security

Sencode Cyber Security

Web Application Pentesting
Middlesbrough, United Kingdom 2 employees

UK-based private cybersecurity company specializing in penetration testing and security consultancy; offers web, mobile, and infrastructure pentest services, CREST-accredited, with 2 employees, founded in 2019, headquartered in Middlesbrough, UK. Provides comprehensive cybersecurity solutions with a pioneering approach to modern security and OSINT challenges.

Penetration Testing (web
Network
Mobile
+5 more
Bruce & Butler

Bruce & Butler

External and Internal Penetrat...
Sheffield, United Kingdom 15 employees

Cybersecurity company specializing in penetration testing, vulnerability assessments, and audits; 8 employees with 15.4% YoY growth; founded 2015; Sheffield, UK; provides CREST-accredited penetration testing services and data protection solutions for UK and international clients.

Data Protection
Cyber Security
Penetration Testing
+2 more
Salus Cyber

Salus Cyber

CHECK Penetration Testing
United Kingdom 35 employees

Cybersecurity company based in the United Kingdom; specializes in penetration testing, incident response, data protection, and security strategy; 25 employees with 9.4% YoY growth; founded in 2017; offers comprehensive security services including ethical penetration testing and compliance testing.

Penetration Testing
Critical Response
Data Protection
+3 more
Cybercontrols.io

Cybercontrols.io

Offensive Security
Morpeth, United Kingdom 8 employees

Cybercontrols.io is a UK-based infosec consultancy providing cybersecurity and compliance services, including penetration testing, internal audits, and endpoint security; founded in 2022, with 4 employees and +300% YoY growth, headquartered in Morpeth, UK.

Compliance Consulting
Penetration Testing
Cybersecurity Strategy
+4 more
Mollis Group

Mollis Group

Cloud and Application Penetrat...
London, United Kingdom 14 employees

UK-based IT services and consulting company founded in 2019; specializes in cloud cybersecurity, penetration testing, ethical hacking, security architecture, and digital transformation; 3 employees; headquartered in London, UK; provides professional penetration testing services as explicitly stated on their website.

Penetration Testing
Ethical Hacking
Security Consulting
+1 more
CyberCrowd

CyberCrowd

Comprehensive Penetration Test...
Newbury, United Kingdom 34 employees

CyberCrowd is a UK-based IT services and cybersecurity company founded in 2016, with 18 employees and a 30.8% YoY growth. It specializes in penetration testing, assessment services, and cyber security consulting, serving clients with comprehensive vulnerability evaluations, web and mobile app testing, and certification readiness. The firm is a market leader in cyber security assessment, with a strong web presence and active recent activity in industry news.

Penetration Testing
Cybersecurity Assessment
CISO As A Service
+4 more
C360RED

C360RED

Web Application Pentesting
United Kingdom 2 employees

IT system testing and evaluation company specializing in penetration testing; based in United Kingdom; 2 employees; founded 2025; focuses on web and network security testing, emphasizing transparency and affordability.

Penetration Testing
Vulnerability Assessments
Web Application Testing
+3 more
RM Information Security

RM Information Security

Web Application Pentesting
Manchester, United Kingdom 6 employees

RM Information Security is a UK-based private cybersecurity consultancy specializing in penetration testing and information security. Founded in 2015 and employing 6 staff, they focus on expert, communication-driven services with active penetration testing offerings, including application security and vulnerability exploitation. They are headquartered in Manchester, UK, with a modest online presence of 1,068 monthly visits and a global rank of approximately 12.7 million.

Penetration Testing (web
Infrastructure
Mobile
+4 more
th4ts3cur1ty.company

th4ts3cur1ty.company

Purple Team Penetration Testin...
Other 20 employees

Cybersecurity company specializing in penetration testing, purple team, GRC, and cyber strategy; UK-based with 10 employees, founded in 2019, offering straightforward, no-nonsense support and international services. Focuses on providing clear, technical cybersecurity solutions with a small, dedicated team.

Cyber Defence
Penetration Testing
Consultancy Services
+4 more
CYBER I UK

CYBER I UK

Network and Infrastructure Pen...
Other 11 employees

Cyber I UK is a UK-based private cybersecurity company specializing in penetration testing, assurance, and incident response; 4 employees, founded in 2000, with a UK domain and contact details, and 847 monthly website visits.

Penetration Testing
Cyber Risk Advisory
Antivirus And Total Security
+4 more
One Compliance Cyber Limited

One Compliance Cyber Limited

Enterprise Penetration Testing
United Kingdom 17 employees

Cybersecurity company based in the United Kingdom; specializes in penetration testing, red team testing, vulnerability assessments, incident response, and data privacy consulting; 15 employees with 6.3% YoY growth; founded 2018; focuses on data privacy and cyber security services for businesses.

Penetration Testing
PCI DSS Compliance
Data Protection Consultancy
+4 more
Ruptura InfoSecurity

Ruptura InfoSecurity

Comprehensive Penetration Test...
United Kingdom 14 employees

UK-based IT services and cybersecurity company specializing in CREST & CHECK Approved Penetration Testing; 8 employees, 7.7% YoY growth, founded 2020, operates in a competitive global market with a modest web presence and active social media engagement.

Penetration Testing
Red Teaming
Cyber Essentials Certification (basic And Plus)
+1 more
ThreatMatrix

ThreatMatrix

Web Application Pentesting
Manchester, United Kingdom 11 employees

ThreatMatrix is a private cybersecurity firm headquartered in Manchester, UK, with 3 employees; it offers comprehensive security services including penetration testing, web security, data security, network security, endpoint security, forensic analysis, and phishing training, emphasizing its focus on safeguarding digital assets and infrastructure.

Penetration Testing
Web Application Security
Vulnerability Management
+5 more
RandomStorm Ltd

RandomStorm Ltd

Network and Social Engineering...
United Kingdom 4 employees

UK-based network security company providing enterprise security management tools and penetration testing services; employs 4 people, founded 2007, with $2.5M annual revenue; headquartered in United Kingdom.

Penetration Testing
Vulnerability Scanning
Intrusion Detection
+2 more