"ScottishPower has entrusted GTi to help deliver its Energy Efficiency targets for over 5 years. The level of service provided and commitment shown by their staff to deliver our expectations has been excellent".

Walter French, Energy Efficiency Commitment Manager, ScottishPower

"Eaga Partnership Limited has worked with GTi for a number of years, successfully delivering a broad range of energy efficiency and home safety solutions to over 5 million households. GTi's focus on service excellence, its strong product proposition and its partnership-based approach has assisted Eaga in providing support to some of the UK's most vulnerable households".

Yashin Sarnaik, Commercial Development Manager, Eaga Partnership Limited

"One of our core business philosophies has been to form partnerships with like minded supply companies who are committed to providing high quality products, services and excellent customer support. It has been my experience throughout a long standing business relationship, that GTi have always been committed to meeting these criteria".

Eric Thomson, Managing Director, 1st Insulation Partners Limited

"GTi has been a long- standing supporter of NEA for many years. I commend the work that the staff of GTi undertake to assist poor and vulnerable customers and the commitment of GTi Directors in channelling resources towards our collective goal of eradicating fuel poverty in the UK by 2016 for all households".

William Gillies, Former Chief Executive Officer, NEA

"The National Insulation Association represents the manufacturers and installers of cavity wall insulation, loft insulation and draught proofing. It is committed to maintaining the highest standards of professionalism and quality within the industry. GTi are members of the National Insulation Association and as members of the Associations governing council play a key role in driving forward improvements and standards within the industry. GTi recognises the important role that energy efficiency has to play in tackling climate change and reducing fuel bills and as such have been proactive in developing a range of new energy efficiency technologies to improve the energy conservation within the existing housing stock".

Neil Marshall, Chief Executive, National Insulation Association

“Being one of the UK’s leading insulation contractors, consistency of service and supply is vital to meet our ever-increasing demands to deliver energy efficiency measures. GTi Ltd has been integral to the success of Mark Insulations Group in meeting these demands, by consistently maintaining the supply of high quality draught proofing and insulation products to our national network of depots for more than 10 years”.

 Mike Cottingham, Managing Director, Mark Insulations Group