Use the tradesmen search engine on this new Government website to find all types of tradesmen in all the towns across in the UK, from builders in London and plumbers in Manchester to electricians in Edinburgh. When you find a TrustMark builder in London, a plumber in Manchester an electrician in Edinburgh or any other TrustMark tradesman in the UK, you can rely on the fact that they will be complying to TrustMark’s Government endorsed standards.