Source: https://tendernation.io/opportunities/01a13bd1-b130-7016-8356-dbe6c5441376/provision-of-iso-270012022-external-auditor awarded GB open procedure Suitable for SMEs # Provision of ISO 27001:2022 External Auditor [Office for Nuclear Regulation](https://tendernation.io/buyers/office-for-nuclear-regulation) Estimated value £29,000 Published 10 Apr 2026 Deadline Closed 11 Feb 2026 ## Who can bid - Open to suppliers based in the UK The buyer has limited bidding to suppliers with substantive operations in this area. [PPN 005: reserving by supplier location](https://www.gov.uk/government/publications/ppn-005-reserving-below-threshold-procurements/ppn-005-guide-to-reserving-below-threshold-html) - Buyer says suitable for SMEs The buyer ticked “suitable for SMEs” on the notice. Anyone can still bid. - Below-threshold contract Buyers cannot shortlist bidders on suitability before tenders are in, so everyone gets to submit a bid (except some larger works contracts). [Procurement Act 2023, section 85](https://www.legislation.gov.uk/ukpga/2023/54/section/85) - Open procedure Anyone can submit a full tender; there is no shortlisting stage. [More contracts for small businesses and VCSEs](https://tendernation.io/opportunities/for-small-businesses) ## About this tender ONR has a number of key security certifications which it holds in order to assure our stakeholders that our security policies, processes, networks and systems are secured to industry standards. The purpose of this project is to procure audit services for ISO27001 to maintain our ISO 27001:2022 certification status due to contract expiration with our existing supplier. Successful and continued ISO 27001 certification validates our security arrangements as an organisation, and is a fundamental contributor to ONR's security reputation and ambition to be an exemplar of good security practice. ## CPV classification Certification services Source Find a Tender (UK) · Notice ocds-h6vhtk-060138-2026-04-10T10:15:19+01:00 [View official notice](https://www.find-tender.service.gov.uk/Notice/ocds-h6vhtk-060138-2026-04-10T10:15:19+01:00) Never miss a tender like this again Get AI summaries, deadline alerts and a bid pipeline for tenders matched to your business. Free to start. [Track tenders free](https://tendernation.io/register) [Buyer profile Office for Nuclear Regulation: past awards and live tenders](https://tendernation.io/buyers/office-for-nuclear-regulation) [Sector More Business services tenders](https://tendernation.io/sectors/business-services) ## More tenders like this [Social Housing Emerging Disrupters 6 · Procurement for Housing · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a154e4-4909-7303-a67f-9c3bff3eb4d8/social-housing-emerging-disrupters-6) [Business travel services – Rahmenvertrag Bearbeitung von Reisekostenabrechnungen nach BRKG · GSI Helmholtzzentrum für Schwerionenforschung GmbH · 29 days left · 17 Nov 2026](https://tendernation.io/opportunities/01a15183-cd6e-73e4-b6e8-3954e5689021/germany-business-travel-services-rahmenvertrag-bearbeitung-von-reisekostenab) [Photocopying services – Externe printdiensten · VZW Sint-Paulusschool · 36 days left · 24 Nov 2026](https://tendernation.io/opportunities/01a15183-34d8-71be-840d-38bf2a8bcc92/belgium-photocopying-services-externe-printdiensten) [Supply services of personnel including temporary staff – Diák- és nyugdíjas munkaerő biztosítása NTH (376) · NTH Nemzeti Tőkeholding Zrt. · 11 days left · 30 Oct 2026](https://tendernation.io/opportunities/01a15183-76f6-70c4-823e-7b614dada7b3/hungary-supply-services-of-personnel-including-temporary-staff-diak-es-nyug) [Interpretation services – Tolktjänster · Stockholms läns sjukvårdsområde · 31 days left · 18 Nov 2026](https://tendernation.io/opportunities/01a15183-4e9a-70dc-8b27-e3d274e53dc5/sweden-interpretation-services-tolktjanster) [Printing and distribution services – SGCD53\_MARCHE\_ELECTIONS\_BRGE · Préfecture de la Mayenne · 28 days left · 16 Nov 2026](https://tendernation.io/opportunities/01a15183-7726-73f4-bb67-b3121363d6bf/france-printing-and-distribution-services-sgcd53-marche-elections-brge)