Live from the UK portals · 8 November 2026

Open tenders that ask about ISO certification

No law requires ISO certificates, but buyers ask for ISO 9001, ISO 14001, ISO 27001 or ISO 45001 on larger or higher-risk contracts.

The firms bidding for these will need ISO certification, and may need help with it. Each tender says why it is here and links to its official notice.

8
Open now
8
Named in the notice itself
4
Closing in the next 14 days

Open now

8 open tenders: named in the notice first, then closing soonest

How we choose them

  • A tender is here if its notice mentions ISO 9001, ISO 14001, ISO 27001 or ISO 45001 (or OHSAS 18001, which ISO 45001 replaced), and each shows which.
  • We read only the notice, not the tender documents, so many tenders that ask for a certificate in their documents are not here. A mention can also be "or equivalent".

So treat this as a list worth checking, not a ruling: open the notice and its documents to see exactly what the buyer asks for. Spotted one that should not be here? Tell us at hello@tender-radar.co.uk.

This list on your website, or by email

If your firm is listed in our directory for iso certification, you can show this list on your own website, free. It sits in a frame served from our site, so it stays up to date by itself and cannot affect the rest of your page, with a line under it saying it comes from Tender Radar. Ask us for your code.

Listed firms can also have it emailed once a week, on Mondays: the link to sign up is in the email we send when your listing goes live. Not listed yet? See the directory; listing is free.

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