Business Details
26 Years
experience
Emergency
services
Trusted Building Services Engineering Solutions
Established in 2000, The James Mercer Group is a third-generation family-owned business specialising in mechanical, electrical, and public health building services engineering. With over 200 employees and a turnover of 29 million, we operate across the North West of England, delivering design, installation, and maintenance solutions for heating, ventilation, air conditioning, plumbing, and electrical systems. Our expertise spans sectors including healthcare, education, airports, and commercial properties, supported by a dedicated team of Gas Safe-registered engineers and Refcom Elite-certified professionals.We prioritise apprenticeship training to ensure industry continuity and maintain a 24/7 emergency call-out service for critical client needs. Backed by partnerships with major equipment manufacturers, we combine technical excellence with a commitment to quality and client satisfaction.
Services
Mechanical Building Services
Electrical Building Services
Public Health Services
Air Conditioning Installation
Ventilation Systems
Details
- Year established: 2000
Highlights and features
- We offer 24/7 emergency call-out service
- Certified Gas Safe and Refcom Elite members
- Over 80 years of combined industry experience
- Dedicated apprenticeship training programme
- Serving diverse sectors including NHS and education
Associations and certifications
- Gas Safe
- Refcom Elite
Services
Mechanical Building Services
We design, install, and maintain mechanical systems including air conditioning, plumbing, and ventilation ductwork. Our engineers ensure efficient operation for commercial and industrial clients across the North West. With expertise in comfort cooling and ventilation, we deliver tailored solutions to enhance building performance and occupant comfort.
Electrical Building Services
Our electrical services cover power, lighting, fire alarm, and security installations. We manage contracts up to 4 million, ensuring compliance with safety standards and energy efficiency. Our team provides responsive maintenance and emergency repairs for healthcare, education, and commercial sectors.
Public Health Services
We specialise in public health plumbing, including sanitary ware, rainwater systems, and gas distribution. Our certified craftsmen deliver reliable solutions for NHS trusts and local authorities, ensuring hygiene and regulatory compliance. Services include installation, maintenance, and emergency repairs.
Air Conditioning Installation
We install and service major brands like Mitsubishi and Daikin, ensuring optimal climate control. Our F Gas-certified engineers provide energy-efficient solutions for commercial properties. Regular maintenance prolongs system life and prevents costly breakdowns, ensuring year-round comfort.
24/7 Emergency Call-Out
Our 24/7 service ensures rapid response to breakdowns with fully equipped engineers. We prioritise urgent issues in healthcare and critical infrastructure, minimising downtime. This service guarantees continuity for clients requiring immediate technical support outside standard hours.
Questions
What building services do you offer?
We provide mechanical, electrical, and public health services including HVAC, plumbing, and emergency repairs across the North West.
Do you offer emergency services?
Yes, we operate a 24/7 emergency call-out service for urgent building maintenance needs.
Which areas do you cover?
We serve the North West of England, operating within a 90-mile radius of our Preston head office.
Are your engineers certified?
All engineers are Gas Safe registered and hold Refcom Elite certifications for refrigerant handling compliance.
How do you support apprenticeships?
We run a dedicated apprenticeship programme to train future craftsmen in mechanical and electrical trades.
