Building Engineering Services Association (BESA), until 2012 the Heating and Ventilating Contractors Association, and from then until 2016, B&ES, is the main UK trade association for companies that design, install, commission and maintain heating, ventilation, air conditioning, refrigeration (HVACR) and related engineering projects.

TruEnergy is an Ofgem licensed energy supplier offering bespoke contracts for businesses and is the supplier of choice for utility splitting companies. TruEnergy works with entrepreneurs, property landlords, facility managers and businesses to make energy procurement simple and cost-effective.