I've used a small business www.se1build.com recently. They did a very good job replacing my bathroom ceiling (I had a leak from upstairs which wrecked it). I am completely happy with their standard of work; and the price was very reasonable. Also I like the way the work: they gave me a full written breakdown of costs before starting the job, with some optional extras. So I could choose exactly what I wanted and I knew exactly how much is it going to cost. Will happily use them again!