ISO 9001 certification cost in the UK in 2026
For a UK SME, realistic Year-1 ISO 9001 cost runs from around £3,200 for a sub-10 employee firm with focused scope to £22,000 or more for a 250-employee multi-site operation. The figure splits into two pieces: certification body audit fees and the internal or consultancy time to get audit-ready.
No UKAS-accredited certification body publishes a fee schedule; all price by quote. The figures below are this site's planning model, using a day rate of £1,200 to £1,300 mid-band for UKAS-accredited bodies. Replace it with the rate on your own quote.
Year-1 cost band by headcount, UK 2026
UKAS-accredited bodies, single-site, single-standard| Headcount | Year-1 total | Surveillance (years 2 to 3) |
|---|---|---|
| Up to 10 | £3,200 to £6,500 | £900 to £1,400 / yr |
| 11 to 50 | £5,500 to £11,000 | £1,100 to £1,800 / yr |
| 51 to 250 | £9,000 to £22,000 | £1,500 to £2,800 / yr |
| Over 250 | £18,000+ | £2,500+ / yr |
ISO 9001:2026 is published: what it changes for your budget
ISO published the sixth edition, ISO 9001:2026, on 16 September 2026, and it is now the current edition. The transition timetable announced by ISO's quality committee (ISO/TC 176) gives organisations certified to ISO 9001:2015 until 30 September 2029 to transition; accreditation bodies are to be ready to assess against the 2026 edition no later than 31 March 2027, and from 31 March 2028 new and initial accredited certificates may only be issued to ISO 9001:2026. The changes are evolutionary, not a rewrite: a quality-culture and ethics requirement in clause 5.1, the 2024 climate-change amendment folded into clauses 4.1 and 4.2, clearer risk-and-opportunity wording in clause 6.1, and expanded Annex A guidance.
For budgeting now: a certificate already held against the 2015 edition stays usable until the transition deadline, so the practical cost impact is a transition audit, usually folded into a surveillance or recertification visit, plus documentation updates, not a fresh certification. If you are starting from scratch, build to the 2026 edition and ask each certification body when it will be accredited to certify against it. Source: ISO/TC 176 news, checked 16 October 2026.
Five components, ranked by typical share of spend
For a 50-person UK manufacturer, internal preparation time is typically the single largest line item, ahead of the audit fee. Most published "cost of ISO 9001" pages invert this. Each driver below has its own page with the working.
Certification body audit fees
£2,500 to £8,500Stage 1 plus Stage 2 audit days at the body's day rate. The same scope can vary 20 to 30 percent across UKAS-accredited bodies.
Reference: 50-person services firm, Stage 1 (1 day) + Stage 2 (2 to 3 days) at £1,200 to £1,500 / day, plus £200 to £600 admin.
Internal preparation time
£4,000 to £18,000 imputedGap analysis, documentation drafting, internal audit, evidence collection. Typically 0.5 FTE for 4 to 6 months for a 50-person firm.
Imputed at £45,000 fully-loaded FTE-cost. Often the largest single spend and the most under-quoted in vendor pages.
Consultant fees
£0 to £15,000Where used. Independent generalists £600 to £900 / day; boutique or sector specialist £900 to £1,300 / day; national consultancy up to £1,500 / day.
Hybrid (5-day gap analysis plus dry-run support) often £3,000 to £5,500 and is frequently the most cost-effective robust path for SMEs.
Templates and QMS tooling
£0 to £2,500Document templates, QMS software (where used), training material. Many firms build directly in their existing document store.
Optional. Treated as separate from certification fees by all UKAS bodies; no body requires a tool.
Ongoing surveillance
£900 to £2,800 / yearYear 2 and Year 3 surveillance audits. Day count is typically one third of Stage 2; day rate matches the certification body.
Three-year cycle adds a recertification audit at roughly 60 to 70 percent of original Stage 1 + 2 days.
Manufacturing, services, construction: different audit-day counts, different budgets
Sector matters more than headcount alone. A 50-person engineering firm with calibration scope and a 50-person services firm with a CRM-captured engagement lifecycle land in different brackets.
Manufacturing
Higher day count for calibration scope, supplier qualification, and non-conforming product control.
Services
Lower implementation lift; engagement-lifecycle documentation often already lives in CRM or PSA.
Construction
Multi-site project sampling drives audit days; PQQ-driven demand is dominant.
Manufacturers running an ISO 27001 programme alongside their quality system can typically share around 30 to 40 percent of audit days when the same certification body covers both standards. The cost-side breakdown is on iso27001certificationcost.com.
Integrated management systems pairing ISO 9001 with ITIL service-management practices share governance overheads but not audit days, since ITIL has no certification body audit. The training-and-certification cost is broken down at itilcertificationcost.com.