Engineered systems since 1980
Welcome to EJM Engineered Systems. With extensive knowledge and over 46 years in business, our engineers provide a quality service that is second to none.
EJM Engineered Systems Ltd was founded in 1980 with the intent to provide high quality industrial refrigeration installations at realistic prices. We pride ourselves on our levels of professionalism and integrity, and our clients know we are always on hand to offer advice and support when they need it.
Our industrial activities are complemented by our Commercial Refrigeration, Air Conditioning, Ventilation, and Service & Maintenance departments — comprehensive solutions for all your refrigeration needs.
Truly independent
As an independent company, we provide individual and personal care to every client. We are not tied to any manufacturer and always choose equipment to your specific project specification and budget. We carry out work throughout the UK, and our repeat clients are proof of our dedication to each and every project.
Expert teams behind every project
Senior Engineering Team
Design & Project Delivery
Chartered and time-served engineers with decades of ammonia, CO₂ and industrial refrigeration experience.
Service Division
24/7 Maintenance & Call-out
UK-wide field engineers providing planned preventative maintenance and emergency breakdown response.
Project Management
Turnkey Delivery
Dedicated project managers overseeing design, installation, commissioning and handover on multi-million pound projects.
Safety & compliance
EJM operates to the highest safety standards across all projects. Our teams are trained in ammonia awareness, CDM regulations, EN378 compliance and DSEAR requirements. We maintain ISO 9001:2015 quality management, Safe Contractor accreditation and Refcom registration.
Industrial Refrigeration
Environmentally-friendly services using ammonia — zero rated for Global Warming Potential (GWP).
Commercial Refrigeration
Low GWP refrigerants for food industry and non-food sectors including labs, hospitals and mortuaries.
Service & Maintenance
400+ years combined engineer experience supporting installations UK-wide.