These firms have a current official-registry listing for PCI DSS (PCI SSC Qualified Security Assessor list) and a published office in England, United Kingdom. Listings are checked facts, not endorsements or rankings.
HQ: United KingdomVerified
PCI DSS
Cybersecurity consultancy offering PCI DSS QSA assessments, PCI PIN advisory and managed security services (London address from its contact page); listed by the PCI SSC as a Qualified Security Assessor company.
London, England
HQ: United KingdomVerified
PCI DSS
London-based cybersecurity consultancy (2-sec Limited) offering penetration testing and PCI DSS services; listed as a PCI QSA.
London, England
HQ: United KingdomVerified
PCI DSS
Cybersecurity firm registered in Whiteley, Hampshire (AMR CyberSecurity Ltd); listed as a PCI QSA.
Whiteley, England
HQ: United KingdomVerified
PCI DSS
Cybersecurity and compliance consultancy based in Welwyn Garden City (per its site); listed as a PCI QSA.
Welwyn Garden City, England
HQ: United KingdomVerified
PCI DSS
UK cybersecurity services firm with offices in Reading, London, Cardiff, Manchester and Edinburgh; listed as a PCI QSA.
Reading, England · London, England · Cardiff, Wales · +4 more
HQ: United KingdomVerified
PCI DSS
UK telecommunications and IT services company (London address from business.bt.com); listed by the PCI SSC as a Qualified Security Assessor company.
London, England
HQ: United KingdomVerified
PCI DSS
UK business of the Capgemini consulting and technology services group (London office from its UK contact page); Capgemini UK Plc is listed by the PCI SSC as a Qualified Security Assessor company.
London, England
HQ: United KingdomVerified
PCI DSS
Managed IT and cybersecurity services provider with UK offices in London, Leeds, Gloucester and Warrington; listed as a PCI QSA.
London, England · Leeds, England · Gloucester, England · +2 more
HQ: United StatesVerified
ISO 27001ISO 27701ISO 42001HITRUST +4
Cybersecurity advisory and assessment firm listed as a FedRAMP 3PAO, PCI QSA, HITRUST assessor, ISO certification body and (via Coalfire Federal) CMMC C3PAO.
Chicago, Illinois · Alpharetta, Georgia · Bellevue, Washington · +2 more
HQ: United KingdomVerified
PCI DSS
London-based cybersecurity and compliance consultancy (Cortida Limited, registered office Buckhurst Hill, Essex); listed as a PCI QSA.
London, England · Buckhurst Hill, England
HQ: United KingdomVerified
PCI DSS
Cybersecurity services firm with offices in London and Gloucester (per its site); listed as a PCI QSA.
London, England · Gloucester, England
PCI DSS
Melbourne-headquartered cybersecurity services firm with offices across Australia, New Zealand and London; listed as a PCI SSC Qualified Security Assessor company.
Melbourne, Victoria · Sydney, New South Wales · Brisbane, Queensland · +8 more
HQ: United KingdomVerified
PCI DSS
Data protection and cyber security consultancy based in Leeds; listed by the PCI SSC as a Qualified Security Assessor company.
Leeds, England
HQ: United KingdomVerified
PCI DSS
Cybersecurity firm with offices in Oxford and Glasgow; listed as a PCI QSA.
Oxford, England · Glasgow, Scotland
HQ: United KingdomVerified
PCI DSS
Technology services and software engineering company (London office from its contact page); its UK entity is listed by the PCI SSC as a Qualified Security Assessor company.
London, England
HQ: United KingdomVerified
PCI DSS
Payment and cybersecurity firm headquartered near Swindon, England; listed as a PCI QSA.
Swindon, England
PCI DSS
Dublin-headquartered cybersecurity services firm listed as a PCI Qualified Security Assessor (QSA) company, with a London office.
Dublin, Dublin · London, England
HQ: United StatesVerified
ISO 27001ISO 27701HITRUSTPCI DSS
Tennessee advisory firm headquartered in Brentwood (Nashville area) offering ISO certification, HITRUST and PCI DSS services.
Brentwood, Tennessee · Chattanooga, Tennessee · Knoxville, Tennessee · +5 more
HQ: United KingdomVerified
PCI DSSHITRUSTFedRAMPGovRAMP
Manchester-headquartered cybersecurity company listed as a PCI QSA, HITRUST External Assessor and (via its US entity) FedRAMP-recognized assessor.
Manchester, England
HQ: United KingdomVerified
PCI DSS
UK payment security and compliance firm with a registered address in Warrington; listed as a PCI QSA.
Warrington, England
HQ: United KingdomVerified
PCI DSS
UK arm of Orange Cyberdefense (Orange group) with offices in London, Maidstone and Manchester (per its site); listed as a PCI QSA.
London, England · Maidstone, England · Manchester, England
HQ: United KingdomVerified
PCI DSS
Security testing and consultancy firm based in Buckingham, England with a New York office; listed as a PCI QSA.
Buckingham, England · New York, New York
HQ: United KingdomVerified
PCI DSS
Digital risk and cybersecurity firm with offices in London and Bristol (per its site); listed as a PCI QSA.
London, England · Bristol, England
HQ: United KingdomVerified
PCI DSS
UK member firm of the PwC network with a London office at Embankment Place; listed by the PCI Security Standards Council as a Qualified Security Assessor company.
London, England
HQ: United KingdomVerified
PCI DSS
Cybersecurity consultancy (Prism Infosec Ltd, registered office Cheltenham per Companies House); listed as a PCI QSA.
Cheltenham, England
HQ: United KingdomVerified
PCI DSS
Portsmouth-based information security firm (ProCheckUp Limited); listed as a PCI QSA.
Portsmouth, England
HQ: United KingdomVerified
PCI DSS
Cybersecurity consultancy based in Tunbridge Wells, Kent; listed as a PCI QSA.
Tunbridge Wells, England
HQ: United KingdomVerified
PCI DSS
London-based cybersecurity consultancy offering penetration testing and PCI DSS assessment; listed by the PCI SSC as a Qualified Security Assessor company.
London, England
HQ: United KingdomVerified
PCI DSS
Exeter-based information security consultancy; listed as a PCI QSA.
Exeter, England
HQ: United KingdomVerified
PCI DSS
Security and compliance firm established in 2012 offering PCI DSS assessment, security testing and ISO 27001 services; UK office in Accrington per its contact page; listed by the PCI SSC as a Qualified Security Assessor company.
Accrington, England
HQ: United KingdomVerified
PCI DSS
Management systems and information security consultancy with offices in Reading and Leeds (per its site); listed as a PCI QSA.
Reading, England · Leeds, England
HQ: United KingdomVerified
PCI DSS
Reading-based governance, risk and compliance consultancy (URM Consulting Services Ltd); listed as a PCI QSA.
Reading, England
HQ: United KingdomVerified
PCI DSS
London-based consultancy (consulting arm of Brookcourt Solutions Limited per its site); listed as a PCI QSA.
London, England
FAQ
How many PCI DSS firms are listed in England?
33 Verified firms are listed for PCI DSS with an office in England, United Kingdom. This is not a ranking.
Which registry do you check for PCI DSS?
We check PCI SSC Qualified Security Assessor list. A framework tag appears only when that registry listed the firm at last check.
Which cities have the most listed firms?
London (16), Manchester (5), Leeds (3), Reading (3), Gloucester (2), Warrington (2).
How do I get matched with a listed firm?
Use Get matched or the auditor-match form on this page. A listing is a set of checked facts, not an endorsement. Get matched.