ECA Business Energy For 35 years, ECA Business Energy has been working with clients from all sectors, of all sizes, from single-site start-ups to some of the UK’s biggest businesses, with many of their clients working with ECA Business Energy for more than 20 years. Their personal approach is how they do great business. Their initial appraisal helps them build a picture of your current energy consumption and costs. They then work with you to create an energy plan based on fiscal, environmental, and operational strategies, to save you money, and reduce your energy consumption. They provide impartial advice and access to the full energy market, making sure you’re getting the best deals for your unique business circumstances.