BM Bi-Folding Doors is a company based in the North of England that specializes in supplying and fitting aluminium bi-folding doors on a nationwide basis. They offer a range of products including bi-folding doors, sliding doors, windows, glass balustrades, internal doors, roof lanterns, garden rooms, and pergolas. The company provides services for both domestic and trade customers, offering supply-only options, product installation, and trade DIY solutions. BM Bi-Folding Doors emphasizes competitive pricing, premium surveys, installations, and fast delivery, with a focus on high-quality aluminium products.