Which? Trusted Traders
An endorsement scheme run by the consumer group Which?. Endorsed traders pass an assessment that includes a check of business and financial records and an interview, and customers get access to an independent dispute-resolution service.
Verify on the official register →
Based on public register and directory records collected up to 5 Jul 2026. Not an official membership count.
Check a specific trader
Thinking of hiring someone? Confirm their current Which? Trusted Traders status on the official register, then run their name through our Cowboy Checker to see their reviews, credentials and company record in one place.
Where Which? Trusted Traders holders are
- UK
Trades that hold it
Electrician · 235Builder · 221Plumber · 187Roofer · 108Window / Door Fitter · 99Hvac · 88Painter / Decorator · 78Carpenter / Joiner · 54Security Systems / CCTV · 53Landscaper · 49
Which? Trusted Traders holders with review evidence
These businesses hold a current Which? Trusted Traders record and have customer reviews we can show — a small slice of all holders, not the register itself.
Common questions
What is Which? Trusted Traders?
An endorsement scheme run by the consumer group Which?. Endorsed traders pass an assessment that includes a check of business and financial records and an interview, and customers get access to an independent dispute-resolution service. (Platform vetting.)
How many tradespeople hold Which? Trusted Traders?
We track 1,292 tradespeople with a Which? Trusted Traders record, based on register and listing data collected up to 5 Jul 2026. This reflects the public records we have collected, not necessarily the scheme's complete membership.
How do I check whether a specific trader holds Which? Trusted Traders?
Check the official register at https://trustedtraders.which.co.uk/, or look the trader up on MyTrustedTraders — profiles show the credentials we have found for them, alongside reviews and other public evidence.
Keep checking
All certificationsCowboy CheckerCompany Health CheckCredential Guide by trade
We show what the public records say, with dates — a listing here is not an endorsement, and absence from our data does not mean a trader is unregistered. Always confirm current status with the scheme before you hire.