NAS Certification for
Every UK Trade.
NAS business certification is open to any UK trade or contractor business — regardless of your specific trade. If you work for housing associations, NHS, FM companies, main contractors, or public sector clients, NAS gives you the independently assessed compliance credentials to compete and win.
NAS Is Open to Any UK Trade or Contractor Business
NAS certification is not restricted to specific trades. If you are a UK contractor or trade business bidding for work where clients check compliance credentials, NAS provides the independently assessed certification you need. From scaffolders to surveyors, groundworkers to glaziers — all trades can apply.
NAS Basic — £349/yr
Health and safety policy and arrangements, risk assessments and method statements, COSHH, CDM duties, training, insurance and subcontractor checks — the SSIP core criteria.
NAS Bronze — £749/yr
Everything in Basic plus legal identity and licences, employers’ liability insurance, data protection, equality, complaints handling, employment terms and right-to-work checks.
NAS Silver — £950/yr
Everything in Bronze plus environmental and waste management, quality and corrective action, governance and conflicts of interest, competition law, pensions, working time and subcontractor approval.
NAS Gold — £1,150/yr
Everything in Silver plus 13 procurement modules: financial standing, anti-bribery and integrity disclosures, tax status, cyber security, ethical supply chain, sustainability and Building Safety Act readiness.
What You Get With NAS Certification
Certification goes beyond a certificate — it opens doors and gives you tools to grow.
Public Register Listing
Your certified business listed on the NAS public register, searchable by buyers nationwide.
Cross-Sector Tender Access
Access tender opportunities across housing, NHS, MOD, FM, and construction sectors.
Trade-Specific Questions
Your questionnaire includes questions for your trade, so the evidence you submit matches the work you actually do.
Assessor-Reviewed Evidence
An assessor checks your actual documents, so your certificate carries weight with buyers.
Expiry Monitoring
Automatic alerts for insurance, certification, and compliance document renewals.
Annual Re-Assessment
Renewal includes a fresh evidence review, so buyers know your certificate reflects current documents.
Frequently Asked Questions
Other Sectors & Trades