Federation of Master Builders
The UK's largest trade association for small and medium building firms. FMB members are independently inspected before joining and agree to a code of practice.
Verify on the official register →
Based on public register and directory records collected up to 27 Jun 2026. Not an official membership count.
Check a specific trader
Thinking of hiring someone? Confirm their current FMB 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 FMB holders are
- UK
Trades that hold it
Builder · 3,991Roofer · 57Landscaper · 4Cleaner · 3Bricklayer / Mason · 2Loft Conversion Specialist · 1Carpenter / Joiner · 1Painter / Decorator · 1
FMB holders with review evidence
These businesses hold a current FMB record and have customer reviews we can show — a small slice of all holders, not the register itself.
- Merstham Glass Limited
- Celtic Property Maintenance Services Limited
- W E Cox & Sons Limited
- Admiral Roofing & Building
- Hodgson construction (North London)
- Property Care Services Ltd
- Sandarov Ltd
- Primeline Roofing & Building Ltd
- Thompson Paving Uk Limited
- City Damp-Proofing Limited
- Unity Roofing Ltd
- Property Refurbishment London Limited
Common questions
What is Federation of Master Builders?
The UK's largest trade association for small and medium building firms. FMB members are independently inspected before joining and agree to a code of practice. (Trade association.)
How many tradespeople hold Federation of Master Builders?
We track 4,809 tradespeople with a Federation of Master Builders record, based on register and listing data collected up to 27 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 Federation of Master Builders?
Check the official register at https://www.fmb.org.uk/find-a-builder/, 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.