Penetration Testing Services
Authorised simulated attack and vulnerability testing
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Prism Infosec
Prism Infosec supports organisations globally to prepare for, respond to and manage cyber security threats. Under attack? Speak to us today.
PureCyber
Leading cyber security solutions based in Cardiff. From Cyber Essentials to certified penetration testing and 24/7 SOC. Accredited, award-winning, and dedicated to protecting your assets. Explore PureCyber now.
DeepStrike
DeepStrike, a world-renowned leader in penetration testing and attack surface management, enables organizations to expand their security initiatives confidently
Bee IT Solutions
We provide business with award-winning managed IT support, business telecoms and cyber security solutions in Leeds, West Yorkshire & across the UK.
Adarma Security
We are Adarma, the UK’s leading Security Operations specialist for modern global enterprises. \n \nWith decades of experience protecting highly targeted organisations in the FTSE 350, including Critical National Infrastructure and other highly regula
Redscan
Award-winning cybersecurity provider specialising in managed detection and response, penetration testing, and red teaming.
Data Systems Computer
We help businesses of all sizes with Cyber Security and Network Infrastructure projects, we aim to deliver the best solutions tailored to your unique business challenges. \n\n🔒 Cyber Security\n➡️ Managed Services\n🔧 Network and Infrastructure \n☁️ St
Cyber Resilience Centre for London
The Cyber Resilience Centre for London was launched in October 2022 to help SMEs and third sector organisations reduce their vulnerability to common cyber threats. Part of a national network of Centres, we are a collaboration between policing, academia and industry to make London the safest City in the world to do business online.
PSDC Ltd
IT Solutions Provider We provide a range of services including... * Enterprise Hardware (Servers, Storage, Switches etc) * Managed Services (IT Support, Office 365, Cyber Security) * Vulnerability Management - Risk Assessments * Cyber Essentials * ISO 27001 * Cloud Hosting + Migration Services * Hardware Configuration * IT Support * Global Shipping Services * IT Procurement * ERP Solutions (Netsuite) * Asset Disposal
HexaTrace
HexaTrace is a UK-based cybersecurity company founded in 2024, dedicated to securing the digital future. We specialize in quantum-resilient cybersecurity solutions, emergency cyber defense, and digital risk management for startups, enterprises, and governments. At HexaTrace, we go beyond traditional cybersecurity — combining innovation, speed, and expertise to protect our clients against evolving digital threats. Our vision is to become a global leader in proactive cyber intelligence by 2030. Core Services: – Proactive Penetration Testing & Ethical Hacking – AI-Driven Threat Intellignce – Advanced Incident Response – Cybersecurity Compliance – Security Training & Awareness – Continuous Monitoring & Risk Assesment Based in the UK | Serving Globally For support: incident@hexatrace.com
Secure Impact Ltd
Our mission is to deliver cyber security services that drive real business outcomes. We dont do commoditised scans, tick box exercises, or generic reports. Instead, our GIAC & CREST certified team will help you develop your security posture for real business improvement. In an industry thats noisy, commoditised and compliance-driven, you need cyber security partners who can add value and create real business outcomes. From our Intelligent Penetration Testing and Red Teaming to our Executive and Technical Tabletops, we promise services which are bespoke to your risk profile, and geared to achieving your security objectives. With our purple team approach, we will take you along with us, creating shared learning outcomes and develop a roadmap to improve your cyber security maturity. Founded by James Lyne, we belong to a group of disruptive companies impacting cyber security for the better. “Secure Impact do things very differently to the market and thats why we partner with them - we need and expect more from our security partners because of who we are and what we do. I know SIs scope will be bespoke to our risk model and that theyll deliver high impact outcomes which will move the dial on our security maturity. Being GIAC certified, I know the security staff they provide have provable expertise. Howard Cribbs// CIO, SANS Please email hello@secure-impact.com if youd like to know more.
ETHIACK
Ethiack is the Ethical Hacking platform for the digital age. Our autonomous offensive security powered by hackers and AI identifies vulnerabilities instantly, allowing tech teams to focus on building.
Lockdown Cyber Security
Cyber security concierge services that make cyber risk visible. Plain-English guidance and an 8-pillar maturity framework across training, compliance, monitoring, incident response and cyber insurance.
Apex Pentesting
Apex delivers penetration testing tailored to the systems that power your business from web and mobile apps to cloud and enterprise networks. Every test is evidence-driven, manual-first, and benchmarked against industry standards.
EmergeCyber
Looking for a cyber security company in Manchester? EmergeCyber reduces cyber risk with its continuous pen testing services and digitalCISO platform.
Laneden
We specialise in helping organisations identify potential security concerns and quantify the risks you may have across your assets, using Penetration Testing, Threat Simulation and Compliance Testing.
USA
Protect your business with industry-leading penetration testing by certified experts. Comprehensive external, internal, web, and advanced testing solutions tailored to your needs.
Cyber Forte
Hack-proof your business critical applications and infrastructure with CREST & OSCP certified advanced penetration testing in Perth — actionable reports, free re-testing, and competitive pricing.
Closed Door Security
Award-winning penetration testing services in Aberdeen. CREST certified security assessments from Scotland's Best Cybersecurity Consultancy 2025.
Cyber Guarded
Cyber Guarded Limited are a UK NCSC Assured Service Provider for CHECK Penetration Testing and Cyber Advisor, providing specialist cyber security testing and ...
sqlmap
sqlmap is an open source penetration testing tool that automates the process of detecting and exploiting SQL injection flaws and taking over of database servers ...
Bluefire Redteam Cybersecurity
Explore the top 10 pen testing/ penetration testing companies in Manchester for 2025. 1. Bluefire Red Team ...
Digital Interruption
Digital Interruption, UK testers for SMEs, penetration testing, code review, cloud security, and security development.
HighOn.Coffee
Welcome to HighOn.Coffee a Security Research and Penetration Testing Site, containing CTF walkthroughs and useful information.
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