MRB Group MRB Group Ltd is a family run father and son business based in Dorset. With over 30 years of electrical experience, we are able to offer high quality and professional standards in all scopes of electrical work. Here at the MRB Group, we carry out a wide range of electrical services from test & inspection to industrial installations and everything in between. What We Do To make things simpler for you we have divided the MRB Group into sections and over the next year, we will be adding different services for your specific needs. For instance, if you required some extra security or wanted your electrics checked, you would visit our safe and secure department. If you’re a landlord looking for regular maintenance checks you would visit our maintenance department and so on. In doing so we hope that you are able to find the specific service that suits you and the job in hand.