We have used ShellTech for numerous jobs over the years, from greenhouse building to a full bathroom installation, from internal door fitting to plumbing tasks. The quality of workmanship is exemplary and whatever the problem ShellTech solve it, without fuss or bother, and to the highest standard every time. I have found them totally trustworthy in every respect, and recommend them highly, hence my 5 Star rating. (John Webster, a very satisfied customer).