Audit firms in England

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

PCI DSS

London-based cybersecurity consultancy (2-sec Limited) offering penetration testing and PCI DSS services; listed as a PCI QSA.

London, England

ISO 27001

Management systems certification body in Warrington offering remote and onsite audits; UKAS-accredited for ISO/IEC 27001 certification.

Warrington, England

ISO 27001

UK certification body of the French AFNOR group (Swindon address on its site and UKAS schedule); UKAS-accredited for ISO/IEC 27001 certification.

Swindon, England

ISO 27001

UK management systems certification body (Cannock address from the UKAS schedule); UKAS-accredited for ISO/IEC 27001 certification.

Cannock, England

PCI DSS

Cybersecurity firm registered in Whiteley, Hampshire (AMR CyberSecurity Ltd); listed as a PCI QSA.

Whiteley, England

ISO 27001ISO 27701

Management systems certification body in Denton, Greater Manchester (UKAS schedule address); UKAS-accredited for ISO/IEC 27001 and ISO/IEC 27701 certification.

Denton, England

ISO 27001

London-based certification body (Atlas Certification Limited); UKAS-accredited for ISO/IEC 27001 certification.

London, England

ISO 27001

Management systems certification body (Witham, Essex address from the UKAS schedule); UKAS-accredited for ISO/IEC 27001 certification.

Witham, England

PCI DSS

Cybersecurity and compliance consultancy based in Welwyn Garden City (per its site); listed as a PCI QSA.

Welwyn Garden City, England

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

ISO 27001

Kent-based certification body trading as Amtivo; UKAS-accredited for ISO/IEC 27001 certification.

West Malling, England

ISO 27001ISO 27701ISO 42001

UK national standards body and certification body (UKAS schedule address: Milton Keynes); UKAS- and ANAB-accredited for ISO/IEC 27001 and ISO/IEC 42001 certification.

Milton Keynes, England

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

ISO 27001ISO 27701

UK branch of the Bureau Veritas certification business (London); UKAS-accredited for ISO/IEC 27001, ISO/IEC 27701 and ISO 22301 certification.

London, England

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

ISO 27001

Manchester-based certification body (Centre for Assessment Limited); UKAS-accredited for ISO/IEC 27001 certification.

Manchester, England

ISO 27001

Certification and training body established in London in 2015; UKAS-accredited for ISO/IEC 27001 certification.

London, England

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

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

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

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

PCI DSS

Data protection and cyber security consultancy based in Leeds; listed by the PCI SSC as a Qualified Security Assessor company.

Leeds, England

PCI DSS

Cybersecurity firm with offices in Oxford and Glasgow; listed as a PCI QSA.

Oxford, England · Glasgow, Scotland

ISO 27001ISO 27701

UK certification entity of DNV (DNV Business Assurance UK Limited, London); UKAS-accredited for ISO/IEC 27001, ISO/IEC 27701 and ISO 22301 certification.

London, England

ISO 27001

Testing and certification organisation focused on online gambling products (London address from the UKAS schedule); UKAS-accredited for ISO/IEC 27001 certification.

London, England

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

ISO 27001

Management systems certification body near Birmingham (Bromsgrove address from the UKAS schedule); UKAS-accredited for ISO/IEC 27001 certification.

Bromsgrove, England

PCI DSS

Payment and cybersecurity firm headquartered near Swindon, England; listed as a PCI QSA.

Swindon, England

ISO 27001HITRUSTCMMC

Compliance audit firm based in Dresher, Pennsylvania with a London office; listed as an ANAB-accredited ISO 27001 certification body, HITRUST External Assessor and CMMC C3PAO.

Dresher, Pennsylvania · London, 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

ISO 27001

Assurance, testing and certification group; its UK certification entity (Intertek Certification Ltd, Derby) is UKAS-accredited for ISO/IEC 27001.

Derby, England

ISO 27001ISO 42001

UK certification body with a Cardiff head office (per its site); UKAS-accredited for ISO/IEC 27001 and ISO/IEC 42001 certification.

Cardiff, Wales · Manchester, England

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

ISO 27001ISO 42001

Birmingham-based assurance and certification body; UKAS-accredited for ISO/IEC 27001 and ISO/IEC 42001 management system certification.

Birmingham, England

PCI DSSHITRUSTFedRAMPGovRAMP

Manchester-headquartered cybersecurity company listed as a PCI QSA, HITRUST External Assessor and (via its US entity) FedRAMP-recognized assessor.

Manchester, England

ISO 27001ISO 42001

Certification body based in Dunstable, England; UKAS-accredited for ISO/IEC 27001 and ISO/IEC 42001 certification.

Dunstable, England

PCI DSS

UK payment security and compliance firm with a registered address in Warrington; listed as a PCI QSA.

Warrington, England

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

ISO 27001

Certification body with its UK head office in Aldridge, Walsall (per its site); UKAS-accredited for ISO/IEC 27001 certification.

Aldridge, England

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

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

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

PCI DSS

Cybersecurity consultancy (Prism Infosec Ltd, registered office Cheltenham per Companies House); listed as a PCI QSA.

Cheltenham, England

PCI DSS

Portsmouth-based information security firm (ProCheckUp Limited); listed as a PCI QSA.

Portsmouth, England

ISO 27001

London-based certification body; UKAS-accredited for ISO/IEC 27001 certification.

London, England

PCI DSS

Cybersecurity consultancy based in Tunbridge Wells, Kent; listed as a PCI QSA.

Tunbridge Wells, England

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

PCI DSS

Exeter-based information security consultancy; listed as a PCI QSA.

Exeter, England

ISO 27001ISO 27701

UK entity of the SGS testing, inspection and certification group (SGS United Kingdom Limited, Ellesmere Port); UKAS-accredited for ISO/IEC 27001, ISO/IEC 27701 and ISO 22301 certification.

Ellesmere Port, England

ISO 27001

Bicester-based certification body (Socotec Certification United Kingdom Limited); UKAS-accredited for ISO/IEC 27001 certification.

Bicester, England

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

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

ISO 27001

Audit body focused on ISO 27001 certification for technology companies (Bristol address from the UKAS schedule); UKAS-accredited for ISO/IEC 27001 certification.

Bristol, England

ISO 27001ISO 42001

UK certification body of the TÜV NORD group (Croydon address on its site); UKAS-accredited for ISO/IEC 27001 and ISO/IEC 42001 certification.

Croydon, England

ISO 27001

Bournemouth-based certification body (United Registrar of Systems Ltd); UKAS-accredited for ISO/IEC 27001 and ISO 22301 certification.

Bournemouth, England

PCI DSS

Reading-based governance, risk and compliance consultancy (URM Consulting Services Ltd); listed as a PCI QSA.

Reading, England

ISO 27001

Management systems certification body with its head office in Liverpool; UKAS-accredited for ISO/IEC 27001 certification.

Liverpool, England

PCI DSS

London-based consultancy (consulting arm of Brookcourt Solutions Limited per its site); listed as a PCI QSA.

London, England