i-sec (Innovative Sustainable Energy Consultants) is a professional engineering consultancy firm of qualified Mechanical and Electrical Building Services Engineers and BER Assessors.

The company was established by Bernard Smith in 2007. Bernard is a Chartered Engineer with over 10 years experience in building services design.

The company's primary objective is to deliver a high quality, efficient and professional service whilst providing practical, innovative and customised low energy design solutions, within financial and programme parameters. 

i-sec seek to develop and maintain long term relationships with our Clients by the level and quality of service that we provide.