QSA and ASV directory / UK

PCI QSA Companies in UK

64 Qualified Security Assessor (QSA) companies list UK as a place of business on the PCI Security Standards Council's QSA list, checked on 7 September 2026. The list is the Council's, complete and in alphabetical order; the sponsored positions above it are paid for and say so.

All 64 QSA companies in UK

Company
1 CYBER VALLEY LIMITEDwebsite
2-sec Ltd.website
247 CyberLabs Limitedwebsite
formerly FiveSec Labs Limited, dba Five Security
7Security GmbHwebsite
formerly 7Security Ltd./Seven Security Group Ltd.
A-LIGN Compliance and Security, Inc., dba A-LIGNwebsite
formerly A-lign Security and Compliance Services; Price and Associates CPAs, LLC, dba A-LIGN
AMPCUS CYBER INC.website
Arcanum Information Security Limitedwebsite
formerly Security Risk Management
Blackfoot UK Ltd.website
Bridewell Consulting Limitedwebsite
BT Plc.website
Bytes Software Services Ltdwebsite
Capgemini UK Plcwebsite
formerly Information Risk Management (IRM)
CDW Technologies LLCwebsite
formerly Focal Point Data Risk, LLC, Sunera LLC
CGI Technologies and Solutions, Inc.website
formerly Online Enterprises DBA Online Business Systems
CIPHERwebsite
Claranet Limitedwebsite
formerly Sec-1 Ltd.
CLOUDTRACE PTY LTDwebsite
Coalfire Systems, Incwebsite
Compliance Control Ltd.website
Comsecwebsitein remediation
ControlCase, LLCwebsite
formerly OSP Global, dba Control Case
Convergent Network Solutions, Ltdwebsite
CORTIDA LIMITEDwebsite
Cyber Security Associates Limitedwebsite
formerly SureCloud Cyber Services Limited; SureCloud Limited
Data Protection People Limitedwebsite
formerly Data Protection People Limited (dba Data Security People)
Dionachwebsite
Endava LTDwebsite
Evolution Ltd.website
Foregenix Ltd.website
Fortytwo Security B.V.website
formerly Fortytwo
INTEGRITY360 EUROPE LIMITEDwebsite
formerly Advantio Limited; NTT Security Ltd.
International Business Machines Corporationwebsite
Internet Security Auditorswebsite
IT Governance Ltdwebsite
MCI Communications, Inc. dba Verizon Business Serviceswebsite
formerly Verizon/CyberTrust
NCC Group Security Services Limitedwebsite
formerly NCC Services Ltd
Nettitude Ltd.website
Network Intelligence Pvt. Ltd.website
formerly Network Intelligence India Pvt. Ltd.
OmniCyber Security Ltdwebsite
One Compliance Cyber Limitedwebsite
ORANGE CYBERDEFENSE UK LIMITEDwebsite
Paladion Networks Private LTDwebsite
Payment Software Company (PSC)website
Pen Test Partners LLPwebsite
PGI - Protection Group International Ltd.website
formerly PGI Strontium Ltd
PRISM INFOSEC LTDwebsite
ProCheckUp Ltdwebsite
Protivitiwebsite
Razor Thorn Security Ltd.website
REDSECLABS LIMITEDwebsite
SecuriCentrixwebsite
Securious Limitedwebsite
Sekuro Pty. Ltd.website
formerly Privasec Pty. Ltd
SISAwebsite
Sovereign Secure Ltd.website
Sysxnet Limited, dba Sysnet Global Solutionswebsite
formerly Sysnet Global Solutions
Talan UK & Ireland Ltdwebsite
formerly Gemserv Limited, dba Red Island
Teamwork IMSwebsite
URM CONSULTING SERVICES LTDwebsite
formerly Ultima Risk Management LTD
ValueMentor InfoSec Private Limitedwebsite
VikingCloud, Inc.website
formerly NuArx, Inc.
VISTA InfoSec Private Limitedwebsite
WPM PAYMENT SECURITY LIMITEDwebsite
Xcina Consulting Limitedwebsite
formerly Kingston Smith Consulting / GLE Consulting Limited / Newable Consulting Limited

Source: the Council's QSA list. Qualification is renewed annually; check the Council's entry before you engage. PCIComplianceHub does not endorse any listed company. Listed here? Open your company's page and claim it.

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    PCI QSA Companies in UK | PCIComplianceHub