The Federation of Master Builders

Join the FMB

Membership that makes a difference

Apply to become a Master Builder to access unlimited expert advice, guidance documents and member resources to help get your business back on track at this difficult time.

The Federation of Master Builders (FMB) is the UK’s largest trade association for the construction industry. We have a proud history of supporting and promoting small and medium-sized building contractors across England, Scotland, Wales and Northern Ireland, since we were established in 1941.

We are champions of quality construction work and we advocate for continuous improvement in building standards; it’s why we set strict criteria for membership and not all builders pass the test.

We are more than just a promotional platform to win work; we offer membership that makes a difference. We help Master Builders to promote, protect and grow their business; we connect clients with professional, local builders they can trust; and we build better as an industry through collaboration with Government and industry partners.

When joining the FMB, members can also choose to join TrustMark too, which is the only Government-endorsed standards scheme for trades that operate in and around the home. Builders and other trades can only join TrustMark through a registered scheme operator relevant to their trade − it is not possible to join TrustMark directly. The FMB is the largest of all the scheme operators and the only one that is specifically for builders, meaning we can provide a wide range of unique benefits and services to builders. 

We are also a not-for-profit organisation, which means every penny of your membership is re-invested into supporting and promoting you.

Apply to join the FMB

Start your application online or call us on 0330 333 7777 Monday to Friday, 9am to 5pm to discuss how membership can make a difference for your business. 

What are the benefits of FMB membership for builders?

We enhance your credibility and profile

The FMB logo is a mark of quality and credibility, which helps members to stand out in a highly competitive industry as a professional builder that clients can trust. Our members are proud to put their company and work forward for an independent inspection and professional vetting to demonstrate they meet the high standards of a Master Builder. You can also add registration with TrustMark, the Government-endorsed quality scheme, to your membership.

We offer unlimited expert advice

We provide unlimited expert advice through our helplines so members can access support when they need it most. Our advisors can help with HR, health and safety, legal, tax, business and technical matters so that Master Builders can manage and protect their business. Members can also access free online training courses and webinars to gain new skills and learn about industry insights.

We give builders a voice to influence Government

Feedback from members helps to inform our lobbying of national and devolved Governments for more support for the construction industry. We are the trusted voice for small and medium-sized builders and we regularly work with the media to raise awareness of the issues that matter to our members.

“When entering into a new relationship with a housing association, the fact that we are FMB members and have played a very active role in lobbying Government on different things has added that level of credibility.”
Alli Gay, CHI Homes Ltd

We help to protect your business

Our easy-to-use, jargon-free contract templates give members and their clients confidence, and our insurance policies and warranties from FMB Insurance provide extra protection. We also offer a Government-approved dispute resolution service to help get projects back on track in the event of a disagreement arising.

“We use the FMB contracts and find them quite straightforward to manage. It helps both builder and client if you both know exactly where you stand.”
Arthur McArdle, Woodfield Building Services (Staffs) Limited

We help you to succeed and win work

Master Builders can build a profile on our Find a Builder directory and access marketing materials, to promote their Master Builder status to potential clients and win more work. Members can also access exclusive discounts on products and services from our industry partners to help support their business.

“I know the [FMB marketing] materials have gone a long way to help me win work. People have said ‘that is impressive’, and ‘you don’t get that from builders’, so it helps to give you a foot in the door over other builders who are quoting for the same job.”
Ian Smith, Smith and Son Construction Ltd

We invite you to join the Master Builder community

Our members are proud to be Master Builders, and our private Members’ Group on Facebook enables members to connect, learn from, and support each other. We also host member-only events throughout the year and celebrate the hard work and success of our members through the biennial Master Builder Awards.

“The FMB acts on one level as a kind of support club. A place where builders from all over the country can share information and ideas, not only about problems some of us are facing now, but also about how the industry can move forward and meet the challenges we’ll all face tomorrow.”
Nik Nelberg, Earl and Calam Design and Build Ltd

Apply to join the FMB

Start your application online or call us on 0330 333 7777 Monday to Friday, 9am to 5pm to discuss how membership can make a difference for your business.   


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