Penetration Testing Services
Offensive security testing for your applications, APIs, and networks.

Application Security Testing
Offensive security testing for your applications and APIs
Web Application Penetration Testing From £2,700
API Penetration Testing From £1,800
Website Security Testing From £750
Mobile Application Security Testing From £2,800
Desktop Application Security Testing From £2,700
Network & Infrastructure Penetration Testing
Test your network perimeter and internal trust boundaries
External Network Penetration Testing From £1,800
Internal Network Penetration Testing From £2,850
Wi-Fi Security Assessment From £1,700
Vulnerability Assessment From £700
Continuous Offensive Security Testing
Go further with testing that keeps pace with your environment
Pentest as a Service (PTaaS) From £3,800/mo
Specialist Testing Services
Offensive security testing for specialist requirements
OSINT Reconnaissance
Embedded Device & IoT Security Testing From £4,500
Password Auditing
Key Deliverables
What's included in every engagement?
Executive Report
Technical Report
Debrief Session
Retesting
Attack Surface Center Access
Consultant-led From Start to Finish
Ready to scope your next penetration test?
We'll help you identify the right type of offensive security assessment for your environment, compliance requirements, and budget.
Pentest Requirements
Which type of penetration test do you need?
Not sure what's right for you?
Book a free scoping call and we'll help you identify the right type of assessment for your environment, compliance requirements, and budget.
Speak to an expertYou're preparing for ISO 27001 certification or renewal
You're working towards PCI DSS compliance
You're launching or significantly updating a web application or API
You've never had a penetration test before or aren't sure what you need
Our Approach
Offensive security led by consultants, not scanners
Every engagement is scoped individually, priced transparently, and delivered directly by our lead consultant from the very beginning.
Our penetration testing methodology draws from OWASP WSTG and NIST SP 800-115, with adversary-informed techniques aligned to the MITRE ATT&CK framework and NCSC guidance.
Whether your goal is meeting a compliance requirement, validating a pre-launch application, or understanding your real-world risk exposure, the focus is on findings that are genuine and exploitable.
Common Questions
Penetration testing & offensive security - frequently asked questions
Everything you need to know about how our offensive security assessments are scoped, priced, and delivered before you request a quote.
All testing is carried out by our in-house consultants, and nothing is outsourced or subcontracted. Your assigned consultant will be confirmed before testing begins and remains your direct point of contact from scoping through to debrief.
Our lead consultant holds OSCP (Offensive Security Certified Professional) and OSCE (Offensive Security Certified Expert) certifications from Offensive Security.
Pricing is based on scope, complexity, and your organisation's context. We publish realistic price ranges so you can quickly assess fit before requesting a quote.
For bespoke engagements, we tailor methodology and consultant time to your objectives. Each quote factors in:
- Scope of testing (e.g., number of IPs, applications, or cloud resources)
- Technical and architectural complexity
- Testing methodology (black box, grey box, white box, or blended)
- Depth of exploitation, reporting, and retest support required
To ensure accurate pricing by not over or under-scoping an assessment, we aim to learn as much about your business and the target(s) as possible.
A scoping call reduces back-and-forth over email, allows for quick walkthroughs of applications or infrastructure, and gives us the context we need to tailor an offensive assessment to your specific risk concerns.
We're able to support scoping discussions via email if preferred.
Most engagements run between 3-5 days of active testing, but could take longer depending on the type of assessment and the complexity of your environment. An internal network pentest may take between 4-8 days, whilst a basic company website assessment may take 1-2 days.
With Exploitr, we provide live access to our findings throughout testing via Attack Surface Center, so you don't have to wait for the final report to start understanding your risk.
To get accurate timelines, schedule a free scoping call to discuss your testing requirements with no obligation.
Retesting is available and can be bundled or quoted separately. For certain assessments, including external network, web application, and API penetration testing, we include free spot-check retesting of remediated findings at no additional charge.
Yes, we can provide an attestation letter confirming that the penetration test was conducted according to the agreed scope and methodology. This can be useful for compliance purposes or to provide assurance to stakeholders.
An attestation of penetration testing is included as standard for all of our engagements.
We can test any part of your environment that you want. We don't require you to test everything, and we don't believe in a one-size-fits-all approach.
We'd recommend including all relevant assets for network testing, and all user roles and critical functionality for application testing, but ultimately it's your choice.
During the scoping call, we'll discuss your environment and objectives in detail to help you determine the most effective scope for your engagement.
These terms describe how much information is shared with the tester before the engagement begins.
Black-box testing simulates an external attacker with no prior knowledge of your environment. It's useful for testing your external perimeter and detection capabilities, but may miss deeper issues due to limited context.
Grey-box testing provides the tester with partial information, which is typically credentials, architecture diagrams, or access to the application as an authenticated user. This is the most common approach for web application and API testing as it balances realism with thoroughness and efficiency.
White-box testing gives the tester full access to source code, architecture documentation, and credentials. This maximises coverage and is often used for compliance-driven engagements or where a deep audit of application security is required.
We'll recommend the most appropriate approach during your scoping call based on your objectives.
Get a tailored quote for your next assessment
Our team are on hand to discuss your security requirements and provide a tailored, fixed-price proposal within 24 hours.
