We like to think we are different. We are a family company at heart. With experience spanning over seven decades, we’ve established ourselves as one of the nations leading contractors.

Carter Synergy and KB Refrigeration are one of the largest providers of Refrigeration design, service & maintenance, Mechanical & Electrical and contracting services in the United Kingdom.

We are proud to serve some of the country’s most prestigious organisations through our national network of specialist engineers, designers and Project managers. We provide essential solutions and critical reactive cover to hospitals, mortuaries, Distribution centres, and Supermarkets amongst others across the country. Our services, products and solutions will have touched your life in some way no matter where you live in the UK.

We have made huge strides in delivering environmentally friendly solutions wIth over 300 energy-efficient CO2 systems delivered across the United Kingdom to date.

We are industry leaders in service delivery. Offering Planned and Reactive Service solutions nationwide using in-house, highly-skilled, experienced engineering resources.

Our values underpin everything that we do


In everything we do we strive to maintain our focus on honesty, transparency, respect and equality


To ensure the continued development and support of our employees to provide the best service to our customers


Dedicated to ethical, responsible and environmentally focussed business practises