Penetration Testing Yorkshire
Precursor Security is a CREST-accredited penetration testing company headquartered in Yorkshire, at Leeds. We deliver web application, infrastructure, wireless, and cloud penetration testing across the whole region, from Leeds and Sheffield to York, Hull, Bradford, and the Humber, with on-site testing anywhere in Yorkshire typically scheduled within the same week.
Yorkshire's CREST-accredited penetration testing company, headquartered in Leeds. Web application, infrastructure, wireless, and cloud testing delivered on-site across the region, from the manufacturing corridor to the Humber energy estuary.
The region's pen test team, based in
the region.
Yorkshire's economy is genuinely diverse: financial and legal services in Leeds, advanced manufacturing in Sheffield, rail and logistics around Doncaster, offshore wind and ports on the Humber, heritage and tourism in York, and manufacturing across Bradford and the West Riding. What those businesses share is a need for accredited testing without paying a travelling consultancy's expenses. Headquartered in Leeds, we cover the entire region on-site with no travel premium, and our client base spans every corner of it.
Who We Test Across Yorkshire
Testing scoped to the sectors that define Yorkshire's economy, because a meaningful penetration test starts from who actually attacks businesses like yours, and what they are after.
How We Reach You
Yorkshire is served from our Leeds headquarters. Headquartered in Leeds city centre, covering the whole of Yorkshire on-site.
CREST-Accredited, Verifiably
Precursor Security holds CREST organisational accreditation for penetration testing, independently audited across methodology, QA, and tester competency. Every engagement letter carries our membership number for direct verification by your auditors, insurers, or customers.
No Travel Games. No Scanner Reports. No Offshoring.
Yorkshire clients get the same team, methodology, and day rate as our London and Leeds clients: manual testing by employed, UK-based CREST Registered Testers, fixed quotes agreed at scoping, immediate escalation of critical findings, and free retesting of everything you fix. On-site testing anywhere in Yorkshire with no travel premium, from a team headquartered in the region.
Every Test,
Delivered Across Yorkshire.
The full offensive security portfolio is available to Yorkshire organisations. Each service links to its full methodology, and every engagement ends with reporting your engineers can action and your auditors can file.
Web Application Penetration Testing Yorkshire
Manual, CREST-accredited testing of the web applications and APIs your Yorkshire business depends on. Full OWASP coverage plus the business logic and access control flaws automated scanners miss, with free retesting of every finding.
Internal & External Network Testing Yorkshire
External testing of your internet-facing perimeter, and internal testing that maps what an attacker could reach once inside: Active Directory attack paths, lateral movement, and privilege escalation. On-site delivery across Yorkshire.
Cloud Penetration Testing Yorkshire
Configuration review and attack-path testing across AWS, Azure, Microsoft 365, and GCP. We find the identity misconfigurations, exposed storage, and over-privileged roles that cause most real cloud breaches.
Wireless Network Testing Yorkshire
On-site assessment of your wireless estate across Yorkshire: rogue access point detection, segregation between guest and corporate networks, and attacks against enterprise authentication.
Mobile Application Testing Yorkshire
iOS and Android application assessments covering insecure storage, API trust boundaries, and platform hardening, for Yorkshire businesses shipping mobile products or internal apps.
Cyber Essentials & Compliance Yorkshire
Cyber Essentials and Cyber Essentials Plus certification, ISO 27001 support, and PCI DSS testing for Yorkshire organisations that need recognised certification alongside technical assurance.
Threat Detection & Response Across Yorkshire, 24/7.
A penetration test proves what an attacker could do today. Our UK Security Operations Centre watches for the ones who try tomorrow: managed detection and response, a CREST-accredited SOC, and incident response for Yorkshire organisations, delivered entirely from UK soil.
Explore Defensive SecurityHow Engagements Run Across Yorkshire.
From first call to free retest. Every Yorkshire engagement is managed by a named account manager with direct access to the testing team, no ticket queues between you and the people doing the work.
Scoping & Fixed Quote
A free scoping call, usually within 24 hours of your enquiry, where a technical consultant (not a salesperson) defines what needs testing, agrees the approach, and produces a fixed quote. Yorkshire clients can scope by video call or, where practical, in person via our Leeds headquarters.
Testing Across Yorkshire
CREST Registered Testers execute the engagement during agreed windows: remote phases for external, web, and cloud testing, and on-site or appliance-based delivery for internal and wireless work across Yorkshire. You get daily progress updates, and critical findings are escalated immediately rather than saved for the report.
Reporting Built for Two Audiences
Every report contains an executive summary your board and customers can read, and a technical annex your engineers can action: reproduction steps, evidence, CVSS scoring, and specific remediation guidance. Reports are quality-assured before delivery and structured for auditors, insurers, and customer due diligence reviews.
Debrief & Free Retesting
A full debrief walks your team through findings and attack chains, in person across Yorkshire or at our Leeds headquarters where practical, or by video call. Once you have remediated, we retest the fixed findings free of charge and issue updated reporting, so your evidence shows issues closed, not just found.
The best time to test your defences is now.
Join the high-growth companies relying on Precursor for continuous offensive and defensive security.
Frequently Asked Questions
Common questions about this service, methodologies, and deliverables.
Penetration testing for Yorkshire organisations typically costs between £2,500 and £25,000 plus VAT depending on scope. A focused single web application or external infrastructure test usually falls between £2,500 and £6,250, most standard engagements land between £3,750 and £12,500, and larger multi-scope programmes range higher. Location does not change our day rate: Yorkshire clients pay the same as London clients. Every quote is fixed after a free scoping call, and retesting of fixed findings is included.
Yorkshire is served from our Leeds headquarters. Headquartered in Leeds city centre, covering the whole of Yorkshire on-site. On-site testing anywhere in Yorkshire with no travel premium, from a team headquartered in the region. All testing is delivered by UK-based, employed testers, never subcontracted or offshored.
All of them. From our Leeds headquarters we deliver on-site testing across Leeds, Sheffield, York, Hull, Bradford, Doncaster, Wakefield, Harrogate, Huddersfield, and everywhere between. Because the team is based in the region there is no travel premium anywhere in Yorkshire, and most on-site work is scheduled within a week of scoping.
Three practical reasons: cost, speed, and accountability. No travel and accommodation expenses on invoices, on-site days available at short notice, and a team you can actually meet, at our Leeds HQ or your offices, for scoping and debriefs. You get CREST-accredited, nationally benchmarked testing with the responsiveness of a local firm.
Yes. Precursor Security holds CREST organisational accreditation for penetration testing, the leading UK standard for testing providers, alongside ISO 27001:2022 certification and Cyber Essentials Plus. Testing across Yorkshire is delivered by CREST Registered Testers with additional certifications including OSCP, and our engagement letters reference our CREST membership number so auditors, insurers, and customers can verify it directly.