Your last pentest is already out of date
You ship weekly, but you test once a year. Everything released since that report is untested and unproven.
Find.Validate.Fix.Continuously.
CREST-approved penetration testing, red teaming and continuous exposure validation — combining expert human testing with AI-assisted security assessment.
- CREST Approved
- Human-Validated Findings
- Live CTEM Portal
- Continuous Exposure Validation
Accredited and independently assessed
CREST Approved
CREST AI Charter
Cyber Essentials“Pentesys has continuously produced excellent work. Their group demonstrated extraordinary technical proficiency by spotting crucial flaws and offering clever fixes that greatly strengthened our security stance.”
Sound familiar?
Security testing shouldn’t end when the report lands.
Most teams don't have a testing problem — they have a visibility, validation and follow-through problem.
You can't see your whole attack surface
Forgotten subdomains, shadow cloud assets and exposed services appear faster than anyone can inventory them.
Findings sit in a PDF, not a fix
A 90-page report lands in an inbox. Nobody owns the remediation and nothing gets validated as fixed.
Compliance deadlines arrive faster than testing cycles
Customers, auditors and insurers want evidence now — and procurement stalls until you can produce it.
The Pentesys model
Discover → Validate → Remediate → Prove
Pentesys combines attack-surface visibility, expert security testing, remediation workflows and assurance within a single continuous security model.
Discover
Map every internet-facing asset and exposure.
Validate
Prove what is genuinely exploitable.
Remediate
Route findings to owners with SLAs.
Prove
Retest and evidence the fix.
The Mirage Platform
One platform. Four security capabilities.
Mirage is the platform behind continuous security at Pentesys — visibility, validation, adversary simulation and assurance in one place.
Mirage Surface
Discover what attackers can see.
External attack surface management and continuous asset discovery.
Learn more
Mirage Validate
Find and validate vulnerabilities.
Human and AI-assisted penetration testing with findings, remediation and retesting.
Learn more
Mirage Adversary
Test your ability to detect real attacks.
Red teaming and adversary simulation.
Learn more
Mirage Assure
Prove security and compliance.
Security assurance, governance and Cyber Essentials capabilities.
Learn moreWhere to begin
Choose where to start
Four routes into Pentesys — pick the one that matches the problem in front of you today.
Penetration Testing
Web, API, mobile, infrastructure, cloud and application testing.
Scope a Penetration TestContinuous Security & CTEM
Continuous Threat Exposure Management (CTEM): attack-surface discovery, validation and remediation.
Explore Continuous SecurityRed Teaming
Real-world adversary simulation designed to test people, process and technology.
Explore Red TeamingCyber Essentials
Cyber Essentials, Cyber Essentials Plus and preparation support.
Explore Cyber EssentialsAI Penetration Testing
AI-assisted. Human validated.
We use AI to increase testing speed, coverage and scale across applicable services. Experienced security consultants validate findings, remove false positives and add expert analysis before results reach your team.
Pentesys Portal
More than a penetration test.
Manage security testing from initial scope through remediation and retesting in the Pentesys portal. Track findings, assets, testing activity and security progress in one place.
- 1Scope
- 2Schedule
- 3Test
- 4Remediate
- 5Retest
CREST-approved security testing
Independently assessed methodologies, qualified consultants and reporting suitable for enterprise security, procurement and compliance teams.
Commercials
Security testing that fits how you buy
Buy a single scoped assessment, a continuous bundle, or a tailored enterprise exposure management programme.
One-Off Security Testing
Scoped and fixed-price
For organisations requiring a defined penetration test or security assessment.
Continuous Security
Bundles from £4,750
For organisations that require ongoing testing, monitoring and remediation.
Enterprise CTEM
Tailored programmes
For larger organisations requiring continuous exposure management, red teaming and assurance.
Cyber Essentials from £500 and Cyber Essentials Plus from £1,500, priced by organisation size. All prices exclude UK VAT.
Build an initial scope online with no commitment.
Why us
Why Pentesys?
CREST-approved testing
Experienced penetration testers
Human-validated findings
AI-assisted testing capability
Live security testing portal
Continuous testing and retesting
Testimonials
Trusted by security teams under pressure
“Pentesys has continuously performed admirably during our collaboration, giving us faith in their knowledge. They delivered work that above our expectations by approaching each project with a deep understanding of our specifications. Their team demonstrated a remarkable degree of proficiency by effectively pinpointing weaknesses and offering practical suggestions to reduce possible hazards.”
See you in London
Pentesys is at the Gartner Security & Risk Management Summit
Visit our stand at ExCeL London, 22–24 September 2026, to see the Mirage Portal in action and discuss continuous security testing, red teaming and compliance with the team.
Dates
22 – 24 September 2026
Location
ExCeL London, UK
Stand
To be confirmed
Book a meeting at our stand
Reserve a 20-minute slot and we will bring a tailored Mirage Portal demo and answer questions about continuous testing, pricing and compliance.
What do you need to secure?
Tell us what you’re trying to protect and we’ll help you choose the right testing approach. Build an indicative scope online or speak directly with our team.
Build an initial scope online with no commitment.
Security Insights
Security Insights
Guidance on continuous security testing, CTEM, EASM and compliance from the Pentesys team.
AI Security21 min read
AI Penetration Testing vs Human Penetration Testing: Which Is Better in 2026?
A balanced, technically grounded comparison of AI-assisted and human-led penetration testing: what each does well, where AI fails, what CREST expects, and how to evaluate an AI-enabled testing provider.
Read article
Pentesys News & Research8 min read
Pentesys Signs the CREST AI Charter
Pentesys has signed the CREST AI Charter, reinforcing our commitment to the responsible, transparent and professionally governed use of artificial intelligence in cybersecurity.
Read article
PTaaS & Continuous Testing16 min read
Best PTaaS Platforms in 2026: Comparing Pentesys, Cobalt, Synack, NetSPI, BreachLock and HackerOne
An impartial buyer's guide to modern Penetration Testing as a Service platforms, comparing human testing models, portals, continuous testing, integrations and UK delivery.
Read articleContact
Get in touch with us
We respond within 24 hours. Tell us what you need to test and we'll shape a programme around it.
We respond within 24 hours
- sales@pentesys.com
- +44 (0)330 133 8569
- 124 City Road, London, EC1V 2NX
- Mon–Fri, 09:00–18:00 GMT