Welcome to Merselec

Electrical & Mechanical Building Services Contractors

Reliable design, installation, commissioning and maintenance of electrical and mechanical systems for commercial developments and complex building environments.

Merselec Ltd delivers fully integrated M&E building services for developers, contractors and building operators. With more than 40 years of combined industry experience, our team provides expert engineering solutions that support efficient, safe and sustainable buildings.

Lets work
together

Discussing online blueprint
Modern fuel or oil factory building
Electrical technician working on a switch
Who we are

Electrical & Mechanical Building Services Specialists

Merselec Ltd is an experienced electrical and mechanical contractor delivering building services across a range of commercial and specialist environments. Our team provides a complete in-house service, supporting projects from initial design through to installation, commissioning and long-term maintenance.

We work closely with clients, main contractors and project teams to deliver systems that meet operational requirements, programme deadlines and compliance standards. Every project benefits from the expertise of our engineers, project managers and technical specialists who focus on quality, safety and reliability throughout the delivery process.

Our approach combines practical engineering knowledge with modern technologies to ensure building systems operate efficiently both now and in the future.

What we do

Our Services

Merselec Ltd provides a comprehensive range of electrical and mechanical building services designed to support new developments, refurbishments and operational facilities.

Electrical
Installations

We design and install electrical systems for commercial and large-scale developments, ensuring safe, efficient and compliant infrastructure.

Mechanical
Services

We deliver HVAC systems, plumbing, ductwork and associated mechanical infrastructure tailored to the needs of each building and its occupants.

Design & Build
M&E Engineering

We provide design-and-build solutions that bring electrical and mechanical systems together through a coordinated engineering approach.

Commissioning
& Testing

We design and install electrical systems for commercial and large-scale developments, ensuring safe, efficient and compliant infrastructure.

Maintenance
& Support

We deliver HVAC systems, plumbing, ductwork and associated mechanical infrastructure tailored to the needs of each building and its occupants.

Fire & Life
Safety Systems

We provide design-and-build solutions that bring electrical and mechanical systems together through a coordinated engineering approach.

Who we support

Sectors We Support

Our experience spans multiple sectors where reliable electrical and mechanical systems are essential to building performance and occupant safety.

Commercial

Electrical and mechanical installations for offices, mixed-use developments and commercial properties.

Education

Building services for schools, colleges and educational facilities where reliability, safety and energy efficiency are critical.

Hotels

Mechanical and electrical systems for hospitality developments, guest accommodation and hotel refurbishments.

Healthcare

Specialist M&E services for healthcare environments that require strict compliance & reliability.

Our work

Recent Projects

Merselec Ltd provides a comprehensive range of electrical and mechanical building services designed to support new developments, refurbishments and operational facilities.

Sustainable Engineering

Sustainability is an important part of how we design and deliver building services solutions. Our engineering approach focuses on improving energy efficiency, reducing environmental impact and supporting long-term operational performance.

By integrating efficient lighting systems, modern HVAC solutions and renewable energy technologies where appropriate, we help clients reduce energy consumption while maintaining comfortable and reliable building environments.

Our team continually reviews new technologies and best practices to ensure the systems we install contribute to responsible and sustainable building operations.

Quality Approved

Accreditations

Merselec Ltd operates to recognised industry standards and holds relevant accreditations that demonstrate our commitment to quality, safety and compliance.

Testimonials

Our client experiences speak for themselves

At Merselec LTD, we take pride in being reliable, professional, and delivering high-quality workmanship on every project.

Discuss Your Project

If you are planning a new development, refurbishment or upgrade to your building services infrastructure, our team is ready to help.