Federation of Master Builders
|Legal status||Non-profit organisation|
|Purpose||UK building industry|
|United Kingdom (England, Wales, Scotland and Northern Ireland)|
|8,000+ building companies|
(Chief Executive Officer)
|Affiliations||Builders' Benevolent Institution, European Builders Confederation|
The Federation of Master Builders (FMB) is a UK trade association established in 1941 to protect the interests of small and medium-sized building firms.
The FMB is independent and non-profit-making, lobbying for members' interests at both national and local levels. As of 2016, the FMB is the largest construction trade association in the UK, representing over 8,000 construction SMEs.