I spent a couple of months researching companies whilst looking for consistent and genuine reviews across many web sites, our intention was to have our heating system checked before winter arrived, and we had decided that S and M were going to be our first choice. Events overtook us and the old boiler failed before we had contacted S and M. From my first apprehensive telephone call I became more certain that we had chosen wisely. Steve answered my call and I explained the problem, he was able to have an engineer visit and inspect the boiler the next day, a quick look inside the unit left the engineer and I in no doubt that a new boiler was necessary. Mike called the next day and explained all the options, we decided to have a Worcester Bosch unit. We agreed that work would start a couple of weeks later and was expected to take a couple of days, we then waited to to see if that date was achieved. We need not have been in any doubt, John their engineer arrived promptly. John was pleasant, efficient, hard working, and kept us fully informed throughout the installation, it was a pleasure to have him working in our home. John discovered a fault with the main gas meter supply and even managed to liaise a visit by the gas company whilst he was finishing the installation of the boiler. We have no hesitation in recommending S and M and intend to use them for regular maintenance and any future work.