The CORE Framework: Compliance, Operations, Risk & Ethics for UK Businesses

NRTAUK Assurance Standard (NAS) – Independent Compliance & Accreditation for UK Businesses

Developed on the CORE Framework (Compliance, Operations, Risk & Ethics), NAS ensures your business is aligned with Health & Safety Executive (HSE) requirements and the Common Assessment Standard (CAS). By achieving NAS accreditation, you demonstrate that your organisation not only meets—but exceeds—essential operational, legal, and ethical obligations, building stronger credibility with clients, contractors, and procurement teams.
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“Our Accreditations: Here’s What We Cover.”
Basic Accreditation – Best for Sole Traders & Small Businesses
Covers key UK compliance requirements (Health & Safety, Data Protection, Equality & more)
Affordable entry-level accreditation for sole traders and micro-businesses
Verified listing in the NRTAUK directory to boost visibility
Access to templates and resources to support day-to-day compliance

Silver Accreditation – Ideal for Growing SMEs & Contractors
Includes all Basic compliance checks (Health & Safety, Data Protection, Equality & more)
Covers additional UK legislation (Bribery Act, RIDDOR, Environmental Protection & more)
Ideal for SMEs and contractors aiming to secure larger projects and supply-chain work
Recognised compliance standard trusted by buyers and procurement teams
Access to enhanced resources and ongoing compliance support

Gold Accreditation – Ideal for Larger Corporate Businesses
Includes all Silver compliance checks (Bribery, RIDDOR, Environmental, Employment & more)
Covers advanced regulations for corporate organisations (Corporate Governance, Money Laundering, Modern Slavery, Pensions & more)
Demonstrates full compliance for national tenders, framework agreements, and public contracts
Builds confidence with procurement teams, investors, and large-scale clients
Access to all NRTAUK resources, templates, and corporate-level support

Our pricing
Our pricing is designed to stay affordable and transparent—whether you’re a sole trader, growing SME, or large UK corporate. With flexible membership options and clear costs, NRTAUK makes accreditation and compliance accessible to every business.

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