CREST-Certified Penetration Testing in London (Canary Wharf)
EJN Labs is a London-based penetration testing firm headquartered in Canary Wharf. We deliver CREST-certified pen testing across the M25 with same-week turnaround. Strong FCA-regulated, fintech, and law firm focus. On-site engagements available within next business day for City of London and Canary Wharf clients.
A London-based pen testing firm — when geography, jurisdiction, and timezone matter.
For UK financial services firms, City law practices, FCA-regulated clients, and London-based SaaS startups, working with a London-based pen testing firm has real practical advantages: no time-zone offset on critical-finding calls, on-site availability for sensitive engagements (paper records, air-gapped networks, hardware testing), UK jurisdiction for data residency, and same-day in-person scoping.
EJN Labs is headquartered at 44-45 Beaufort Court Admirals Way, London E14 9XL — Canary Wharf. We deliver penetration testing across the M25 with on-site engagements available within next business day. Our City of London and Canary Wharf clients particularly benefit from the FCA-aligned methodology, same-week turnaround on standard engagements, and direct face-to-face scoping calls.
LONDON DELIVERY
Penetration Testing Services Delivered in London
Every CREST service delivered in London with same-week turnaround. Cross-link to specific service pages for detail.
Web App Pen Testing
OWASP Top 10 + ASVS, manual exploitation. London delivery, same-week turnaround for City clients.
Mobile App Pen Testing
iOS + Android against OWASP MASVS. On-site mobile-device testing available at Canary Wharf labs.
External Pen Testing
OSINT-led external attack surface review. London IP attribution available where threat-model requires.
AWS / Azure / GCP Security
Cloud security review with London-based delivery. UK data residency throughout the engagement.
Red Teaming
MITRE ATT&CK adversary simulation. On-site initial access (physical, social engineering) available within M25.
On-site Engagement
Internal network testing, AD attack-path review, paper-record discovery — delivered on-site at your London office within next business day.
Boardroom Briefings
Face-to-face report walkthroughs at your office. Executive briefings prepared for boards and audit committees in London.
FCA / PRA Engagement
FCA-regulated firms benefit from CREST-aligned methodology already mapped to SYSC, FG16/5, FG23/3, and Operational Resilience requirements.
Conveyancing & Law
London law firms — partner-tier engagement, SRA Cyber Standard alignment, conveyancing fraud defence.
Cyber Insurance
London-market underwriters increasingly require CREST-attested testing. We work with major London insurance brokers on policy renewal evidence.
M&A Cyber Due Diligence
London-based PE / VC funds: 5-day cyber due diligence reviews on acquisition targets, with immediate London-time conference calls.
FOUR-PHASE METHODOLOGY
London Penetration Testing — Same-Week Delivery
CREST methodology delivered with London-time scoping, M25 on-site availability, and same-week turnaround for City and Canary Wharf clients.
Same-Day Scoping
Same-Week Test Start
Live Findings
In-Person Report Walkthrough
Verified Accreditations Auditors Accept
Every accreditation independently issued by a recognised UK certification body. Click CREST to verify our membership.
COMPLIANCE READY
London Pen Testing Reports Mapped to Every Framework
Same CREST methodology, mapped to the regulatory frameworks London-based clients face most often.
FCA Cyber Resilience
SYSC alignment, FG16/5 cyber resilience evidence, FG23/3 Operational Resilience evidence — for FCA-regulated City clients.
PRA Operational Resilience
PRA-regulated banks, building societies, insurers — Operational Resilience scenario testing, severe-but-plausible event evidence.
SRA Cyber Standard
Solicitors Regulation Authority Cyber Standard alignment for London law firm clients.
PCI DSS
Req 11.3 testing evidence for London e-commerce, payment processors, and PCI-scoped City businesses.
ISO 27001 + SOC 2
Annex A.12.6.1 / Trust Services Criteria mapping for London SaaS, fintech, and B2B startup clients.
London-Market Cyber Insurance
CREST-attested testing aligned with Lloyd’s of London cyber syndicate underwriting requirements.
TRANSPARENT PRICING
Transparent London Penetration Testing Pricing
All London engagements include same-week turnaround, on-site availability, and face-to-face report walkthroughs. Price varies by service and scope.
Depends on service + scope
Single-target London engagement (web / external / API / mobile). Same-week start. Face-to-face scoping at Canary Wharf or your office.
- ✓Free retests included
- ✓Free rescheduling
- ✓No cancellation fees
- ✓24-hour scope to active testing
- ✓Live findings to client portal
- ✓Executive + technical report
- ✓60-min walkthrough call
- ✓Letter of attestation
Depends on service + scope
London-based combined engagement (web + API + external + AD). On-site internal testing available. FCA / SRA aligned reports.
- ✓Free retests included
- ✓Free rescheduling
- ✓No cancellation fees
- ✓24-hour scope to active testing
- ✓Live findings to client portal
- ✓Executive + technical report
- ✓60-min walkthrough call
- ✓Letter of attestation
Depends on service + scope
Enterprise London engagement with multiple offices, hybrid cloud, regulated workloads, board-level briefings. M&A cyber DD on demand.
- ✓Free retests included
- ✓Free rescheduling
- ✓No cancellation fees
- ✓24-hour scope to active testing
- ✓Live findings to client portal
- ✓Executive + technical report
- ✓60-min walkthrough call
- ✓Letter of attestation
Penetration Testing in London — by Sector
London is the UK’s financial, legal, and SaaS centre. We tailor pen testing to each sector’s specific London-market requirements.
Fintech
FCA-regulated firms, Open Banking, payment APIs, PCI scoping.
SaaS
Multi-tenant isolation, SSO/SAML/OIDC, customer-data perimeter, SOC 2 evidence.
Healthcare
NHS DSPT, NHS DTAC, EHR integration, telehealth, patient-data PII.
Insurance
FCA / PRA Operational Resilience, claims data, broker integrations, cyber underwriting evidence.
Law
Privileged-data confidentiality, partner-tier scrutiny, SRA Cyber Standard alignment.
Public Sector
CCS / G-Cloud framework, NCSC-aligned, SC-cleared testers available.
What You Actually Get
Five things that distinguish our service from automated scans and box-tick competitors.
What You Get From London Penetration Testing
Canary Wharf HQ
FCA / PRA / SRA Specialism
M25 Same-Day On-Site
UK CREST + IASME + ISO 27001 + ISO 9001
Frequently Asked
Where are EJN Labs based in London?
We are headquartered at 44-45 Beaufort Court Admirals Way, London E14 9XL — Canary Wharf, walking distance from major City and Canary Wharf clients. Office visits welcome by appointment.
Do you deliver pen testing on-site in London?
Yes. On-site engagements are available within next business day for clients across the M25. Particularly common for internal network testing, physical red team, paper-record discovery, and air-gapped network engagements where remote access isn’t possible.
Do you charge call-out fees for London visits?
No. There are no call-out fees, travel surcharges, or out-of-pocket expenses for engagements within the M25. Travel beyond M25 is included in the fixed-price quote during scoping.
How quickly can you start a London engagement?
Standard engagements start within 24-48 hours of contract signature. On-site engagements within next business day. Emergency engagements (incident-driven, M&A urgency, regulator demand) — within 4 hours via our priority pipeline.
Do you specialise in FCA-regulated firms?
Yes. London is the UK financial centre and FCA-regulated firms are a major sector for us. Our CREST-aligned methodology is pre-mapped to FCA SYSC, FG16/5 cyber resilience, FG23/3 Operational Resilience, and PRA SS1/21 outsourcing risk requirements.
Do you work with London law firms?
Yes. London law firms (City and Canary Wharf practices) are another major sector for us. We deliver SRA Cyber Standard-aligned testing, conveyancing fraud defence, partner-tier procurement evidence, and privileged-data confidentiality engagements.
How much does London penetration testing cost?
Same as our standard CREST pricing: small engagements £3,750-£8,000, mid-market £8,000-£18,000, enterprise £18,000+. No London-premium surcharge. UK day rates for CREST-certified testers are £1,000-£1,500 per day.
Can you do face-to-face report walkthroughs?
Yes. Face-to-face report walkthroughs at your London office are included with mid-tier+ engagements. Particularly useful for board-level briefings, audit committee presentations, and regulator preparation meetings.
Do you work with London-market cyber insurance brokers?
Yes. We routinely produce CREST-attested testing reports for London-market cyber insurance underwriting and renewal. We work with major Lloyd’s of London cyber syndicates and their broker partners.
Can you do M&A cyber due diligence in London?
Yes. London-based PE / VC funds: 5-day accelerated cyber DD reviews on UK acquisition targets, with London-time conference calls and immediate face-to-face partner meetings. Particularly common for fintech and SaaS deal flow.
Are your testers London-based?
The majority of our testers are based in or near London. We can match testers to engagements based on commute time where on-site work is needed. SC-cleared testers available for public-sector engagements.
Do you sign NDAs?
Yes. Standard NDA before any technical detail is shared. We operate under a project-specific master agreement that includes data handling, deliverable IP, and breach notification clauses. Particularly important for sensitive London law and financial services clients.
Book a London Pen Test Scoping Call
30 minutes face-to-face at our Canary Wharf office or your London location. Fixed-price quote within 24 hours.
