Industry Associations, Trade Bodies and Accreditations

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CHAS (Contractors Health and Safety Assessment Scheme)

CHAS are the UK’s leading provider of compliance and risk management solutions. Their award-winning solutions help contractors (suppliers) and clients (buyers) ensure supply chain compliance, mitigate risks and support efficient supply chain management.

As a co-founder of Safety Schemes in Procurement (SSIP) and the Common Assessment Standard, CHAS is trusted by the UK’s biggest names across multiple industries, including construction, education, facilities management, and housing and development. We are at the forefront of setting compliance benchmarks that drive these industries forward and make the world of work a safer place.

MCS (Microgeneration Certification Scheme)

Working with industry, MCS defines, maintains and improves quality by certifying low-carbon energy technologies and contractors – including heat pumps, solar, biomass, wind and battery storage.

MCS is a standards organisation who create and maintain standards that allows for the certification of products, installers and their installations. Associated with these standards is the certification scheme, run on behalf of MCS by Certification Bodies who hold UKAS accreditation to ISO 17065.

NICEIC (National Inspection Council for Electrical Installation Contractors)

The NICEC are the UK’s largest voluntary register of electrical businesses. They assess over 37,000 businesses to ensure that the installation work they undertake meets the standards expected to keep us all safe. They also assess and provide certification for renewable installers, plumbers and gas and heating engineers.

(Renewable Energy Consumer Code)

Through its Consumer Code RECC works to ensure the highest standards of protection for consumers of small-scale renewables. In this way, RECC aims to promote the resilience and reputation of the sector and enforce the code in a robust and even-handed way.

ISO (International Organisation for Standardization)

ISO is an independent, non-governmental international organization with a membership of 168 national standards bodies. Through its members, it brings together experts to share knowledge and develop voluntary, consensus-based, market relevant International Standards that support innovation and provide solutions to global challenges.

Solar Energy UK

Solar Energy UK are a non-profit trade association working for and representing the
entire solar and energy storage value chain. They are funded largely by a thriving member-led community of over 300+ businesses and associates. Their members range from ambitious and innovative SMEs to global brands.


Trustmark are a not-for-profit social enterprise, taking pride in continually investing in the scheme, supporting Scheme Providers and Registered Businesses to improve consumer protection and standards across all sectors.

GSHPA (Ground Source Heat Pump Association)

GSHPA are a trade association bringing together over 160 members and interested parties from across the heat pump installation industry. Developing strong, dynamic and sustainable environment for heating and cooling systems that are based on heat capture, heat storage and heat transfer, including heat sharing networks and demand side management.

IET (The Institute of Engineering and Technology)

IET inspire, inform and influence the global engineering community to engineer a better world. As a diverse home across engineering and technology, they share knowledge that helps make better sense of the world in order to solve the challenges that matter.

Gas Safe Register

Gas Safe Register are the only official gas registration body of gas businesses and engineers in the United Kingdom. They operate the official UK list of gas businesses and qualified gas engineers that work for those businesses, as required by law, to ensure only those qualified engineers are licensed to legally work on gas.


Construction News (CN) Awards

Specialist Contractor of the Year 2023 – Finalist

Home Building and Renovation Award

Renewable Supplier of the Year 2021 – Winner

Renewable Supplier of the Year 2020 – Winner

Solar & Storage Live Awards

Commercial Solar and/or Storage Project of the Year 2019 – Finalist

East Midlands Energy Efficiency Awards

Solar PV Installer & Contractor of the Year 2020 – Winner

Renewable Heat Installer & Contractor of the Year 2020 – Highly Commended

Large Project of the Year 2020 – Commended

Nottingham Business Awards

SME Business of the Year 2020/2021 – Finalist

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