Penetration Testing · London
Web Application Penetration Testing in London
A goal-based penetration test of your web application — we attack it the way a real adversary would, then hand you a prioritised report your developers can act on.
London's global finance and fintech concentration makes it one of the most heavily targeted cities in the world — and one where regulators and clients expect demonstrable assurance.
€450
What's included
- Authentication, session and access-control testing
- OWASP Top 10 plus business-logic abuse
- Authenticated and unauthenticated perspectives
- API endpoints behind the app
- Prioritised findings with reproduction steps and fixes
Why London organisations choose Acta
EU data sovereignty
Remote delivery with EU-resident data handling — no US-cloud exposure.
Senior operators only
Your engagement is led by an experienced operator, not a junior running a scanner.
Evidence, not theatre
Actionable, prioritised findings your team can fix — and show auditors.
Compliance-aware
NIS2, DORA, GDPR and ISO 27001 translated into concrete engineering work.
Serving London & London & the South East
We support London and the surrounding area — including Croydon, Reading, Watford, Slough, Bromley — remotely across the United Kingdom and the wider EU.
Frequently asked questions
How long does a web app pentest take?
Most engagements run one to two weeks depending on the application's size and number of roles. You get the report shortly after testing wraps.
Will testing affect our production site?
We agree scope and rules of engagement up front and test safely — destructive checks are only run against environments you approve.
How much does Web Application Penetration Testing cost in London?
Web Application Penetration Testing starts at €450. We confirm exact scope and price before any work begins — no payment is taken on the website.
Do you serve businesses near London?
Yes — we work with organisations across London & the South East, including Croydon, Reading, Watford, and remotely throughout the United Kingdom.
Is the work done remotely?
Yes. Acta operates remotely across the EU and beyond, with EU-resident data handling, so London clients get senior operators without on-site overhead.
Ready to start?
Request web application penetration testing for your London organisation, or talk to us first.
Web Application Penetration Testing elsewhere
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