Certification scheme

WaterSafe

The UK water industry's approved-contractor scheme for plumbers. WaterSafe-approved plumbers are qualified in the water fittings regulations that protect drinking water.

Verify on the official register →

50tradespeople with a WaterSafe record in the public data we track

Based on public register and directory records collected up to 30 Jun 2026. Not an official membership count.

Check a specific trader

Thinking of hiring someone? Confirm their current WaterSafe 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 WaterSafe holders are

  • UK50 on record

Trades that hold it

Plumber · 32Hvac · 5Builder · 4Electrician · 2Bathroom Fitter · 1Landscaper · 1Security Systems / CCTV · 1

WaterSafe holders with review evidence

These businesses hold a current WaterSafe record and have customer reviews we can show — a small slice of all holders, not the register itself.

Common questions

What is WaterSafe?

The UK water industry's approved-contractor scheme for plumbers. WaterSafe-approved plumbers are qualified in the water fittings regulations that protect drinking water. (Certification scheme.)

How many tradespeople hold WaterSafe?

We track 50 tradespeople with a WaterSafe record, based on register and listing data collected up to 30 Jun 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 WaterSafe?

Check the official register at https://www.watersafe.org.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

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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.