We are an established company with over 35 years of experience in providing renewable energy systems to both commercial and domestic customers
Saving energy; reducing costs; improving comfort: these are all things that every business and homeowner should be focused on achieving, and at GSM Ltd, we can help you do just that.
As a trusted engineering partner, we specialise in the design and installation of integrated solar, heating, and cooling systems. Our highly skilled in-house CAD team and dedicated project management department draw on over thirty-five years of industry experience to deliver cutting-edge solutions engineered to maximise efficiency across any indoor environment.
Whether you are looking to future-proof your family home or optimise a complex multi-zone commercial facility, we provide tailored, high-performing systems built around your specific needs.
Arrange A Consultation
By completing our quick form, you will be able to book an appointment at your property or premises at a time that suits you.
Schedule A Phone Call
Complete our form to schedule a call with a surveyor to discuss your ideas and options at a time that works for you.
In an increasingly regulation-driven landscape, achieving energy effectiveness is essential for long-term operation efficiency and environment compliance.
Our team at GSM Ltd provides expert guidance and tailored installations for the retail, commercial, and industrial sectors, as well as partnering with architects, consultants, and developers.
Our approach is designed around your operations. We carefully phase installations to ensure minimal disruption to live sites.
From advanced Building Management Systems (BMS) for centralised monitoring to independent multi-zone temperature control, we ensure your facility operates seamlessly without wasted resources.
Reliability and ROI remain the core focus across every installation, including large-scale solar arrays for green compliance, robust heating solutions, and highly efficient air conditioning.
With rising energy prices and a growing emphasis on sustainability, investing in the right home energy system is a smart, long-term decision.
At GSM Ltd, we understand that every home is unique, which is why we assess your current setup and future goals before designing a bespoke solution.
Whether you want to reduce your reliance on the grid with solar panels, add an EV charger to your driveway, or upgrade to a smart heating and cooling system, we ensure every technology interacts efficiently.
Even if you are just planning for the future, we can design an adaptable system that evolves alongside your household’s energy needs.
From consultation to installation, there is no domestic project too complex for our engineering team.
Choosing the right energy partner is about expertise, quality, and trust. We combine decades of experience with a fully in-house approach, meaning we never rely on subcontractors.
When you work with us, you are working with directly employed engineers and designers who are passionate about creating high-performing systems installed to exacting standards.
We found GSM to be a very professional company, from the initial contact through to installation and handover. Everything was explained clearly and the work was completed in a timely manner. All members of the team involved were very friendly . We would certainly recommend GSM to others.
100% Recommend GSM Solar panels etc efficient, tidy polite workmanship.
GSM Ltd has consistently demonstrated professionalism, technical competence and a genuine commitment to delivering successful outcomes. Their approach has given us confidence throughout the programme, and the combination of high-quality installations, robust health and safety management and effective communication has made them a valued delivery partner.
A very efficient, friendly and considerate team at both the planning, installation and post installation visit.
GSM have provided the best customer service
Working alongside GSM Ltd during the heating decarbonisation installation at Tewkesbury Council offices, I was particularly impressed with their effective mobile app / mobile HSE portal. It provided real-time visibility of on-site safety compliance and ensured that any issues, including potential hazards or near misses were flagged and addressed without delay.
Their innovative approach to health and safety, combined with clear documentation and instant access to RAMS and certifications, set a high benchmark. GSM Ltd demonstrated a proactive safety culture throughout — the streamlined delivery of their documents greatly assisted my delivery as CDM Advisor.
From start to finish we have had an excellent experience with this company.
Great company , they did a very Fast high quality install from quote to order to up and running solar and battery storage within a month.
GSM Ltd delivered the decarbonisation works at Malvern Recycling Depot to a very high standard. From initial site inspection through to commissioning and handover, the team demonstrated a strong technical understanding of the project requirements and provided a well-considered, robust solution.
Communication throughout the project was clear and professional, and the works were completed in line with programme and expectations. We are pleased with the outcome and would have no hesitation in working with GSM Ltd again on future decarbonisation projects.
GSM were very professional throughout the whole process. The workmen were extremely polite and tidy whilst on site. The solar panels are working very efficiently to supply our electricity needs ( even in this summer!). A slight issue was rectified to a very high standard. All queries have been dealt with quickly and efficiently. Would definitely recommend them.
We offer our services across Gloucester, Cheltenham, Worcester, and Hereford, having grown a reputation as one of the top energy and HVAC solution providers in the region.
Whether you are looking for solar panel installations, commercial heating, or domestic air conditioning, your property is an important investment.
With just a few steps, you can start making that investment more efficient than ever. We’ll handle the rest.
