About RJC Complete Mechanical Solutions

RJC Mechanical & Electrical is a leading building services contractor providing a range of services to the industrial and commercial sectors. We have over 30 years’ experience and an unrivalled reputation in the industry, and we specialise in plumbing, electrical, heating and ventilation, air conditioning and refrigeration, and all other aspects of the building services trade to provide the complete mechanical solution.

Get in touch today on 0333 577 6645 to learn more about our services.

Heating & Mechanical Services

Working in a variety of commercial sectors, our heating and mechanical services are the best in the industry, and we can provide a tailored solution to meet your needs.

Gas Services

Our highly trained Gas Safe engineers have all the necessary experience and knowledge to ensure your gas installations are 100% safe, from commercial gas appliances to the pipe work.

Water Services

We’re renowned for our reliable and quality services in all water-related areas, including comprehensive design and installation of water/wastewater assets, project management and commissioning. 


Our team specialise in the manufacture, supply and installation of commercial heating and ventilation products and offer bespoke solutions to give you exactly what you need on time and within budget.

Electrical Services & Bespoke Panel Building

Designed to your exact requirements and specifications, our panel building experts draw upon decades of experience to ensure you receive an effective solution and excellent customer service. 

Air Conditioning

Keep your cool with our industry leading air conditioning services. From bespoke design and supply to installation, we utilise our years of experience and knowledge of the latest technology to deliver exactly what you need.


Delivering innovative and energy-efficient systems, we excel in the design, installation and commissioning of bespoke industrial commercial refrigeration systems. Get in touch today to learn more.


Our experienced team can design and install even the most complex commercial plumbing needs, ensuring it meets all relevant regulations and controls for both commercial and residential applications.

Contact Us

Who we are

Since the foundation of RJC Mechanical & Electrical Ltd in 2018, we have quickly become a leading name in the mechanical engineering industry, specialising in the design, supply and installation of electrical solutions, air conditioning, heating and plumbing. Based in Fareham, Portsmouth, on the south coast of England, we can provide our services nationwide and within a range of sectors, including defence, hospitality, retail, healthcare, government, and education.

To find out more about what we can offer your company, or to discuss your project’s needs, contact RJC Mechanical & Electrical today on 0333 577 6645.

View more

Who We Work With

RJC has earned an outstanding reputation within the mechanical engineering industry for our reliability, expertise and delivering exactly what you need. This has led to us becoming the number one trusted mechanical, electrical and air conditioning partner for a variety of businesses and organisations in a range of different sectors

View more


Our Accreditations