United Kingdom

The Cyber Resilience Audit scheme certifies AUDITORS delivering independent cyber audits based on the NCSC's Cyber Assessment Framework.

Cyber Essentials is the UK's NCSC-developed certification scheme, delivered through IASME, named as a supplier condition in Procurement Policy Note 09/14.

Defence Cyber Certification is the MOD's four-level certification route evidencing compliance with the UK Cyber Security Model, launched May 2025.

IASME Cyber Assurance is a two-level UK certification for security governance, sold only to organisations holding a valid Cyber Essentials certificate.

PSN Code of Connection is the application process and yearly certificate required to connect to the UK's Public Services Network.

The Cyber Assessment Framework is the NCSC's outcome-based framework for assessing cyber resilience, structured around 4 objectives and 41 assessments.

The UK digital identity and attributes trust framework is DSIT's certification scheme for digital identity and attribute services, run day-to-day by OfDIA.

ICAEW Practice Assurance is a framework of principles-based quality assurance standards ICAEW member firms and practising certificate holders must follow.

CBEST is the Bank of England, PRA and FCA's intelligence-led penetration testing regime for assessing cyber resilience of systemically important firms.

GovAssure is the UK government's scheme for assessing government critical systems against the NCSC Cyber Assessment Framework.

The Approved Contractor Scheme is the SIA's voluntary, statutory-register company approval scheme for the UK private security industry.

BuildingConfidence is Achilles' UK construction pre-qualification scheme, which the owner says incorporates SSIP and CAS and goes beyond both.

CHAS is a founding member scheme of SSIP, offering three graded levels of health and safety pre-qualification assessment for contractors.

Constructionline is a UK construction supplier pre-qualification database, checked by buyers via login — not a certificate a supplier holds independently.

JOSCAR is a shared supplier pre-qualification register operated by Hellios Information Limited for the UK defence, aerospace and security sector.

RISAS is RSSB's approval scheme for railway suppliers of the most challenging, high-risk work, initially scoped to rolling-stock overhaul.

RISQS is RSSB's supplier qualification scheme for the UK rail industry, used by Network Rail only for direct, safety-critical (RICCL-coded) suppliers.

SafeContractor is a UKAS-accredited health and safety pre-qualification scheme and a founding member of SSIP, covering eleven listed sectors.

SSIP is a mutual-recognition scheme joining UK health and safety pre-qualification schemes, so an approval from one member scheme is accepted by the others.

UVDB is Achilles's prequalification network for UK regulated utilities, used by buyers including Anglian Water and Scottish Water to assess suppliers.

The Conveyancing Quality Scheme is the Law Society's accreditation for SRA-regulated practices in residential conveyancing, renewed every 12 months.

Lexcel is a legal practice quality mark owned by the Law Society of England and Wales, awarded after assessment by an independent body.

The Specialist Quality Mark is the Legal Aid Agency's quality standard for legal services providers in England and Wales, audited under LAA licence.

The Wills and Inheritance Quality Scheme is the Law Society's quality mark for practices advising on wills and estate administration.