The Consultants Directory

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The Cleantech Directory

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Galbraith Group

Wind energy consultants who have been involved in over 100 wind projects throughout the UK across Scotland and the North of England.

Galetech Group

Galetech Group is a renewable energy company that is involved in project development, management, and related services in the renewable and sustainable housing sectors.

Gammel Engineering

We take corporate strategic developments into account and are therefore able to design optimal energy models in a sustainable manner. We understand the special requirements of municipalities and draw from a wide range of regenerative energy sources. Gammel Engineering is independent of manufacturers, brands, energy sources, financial institutions - we are only committed to our clients. The traditional values of reliability and trust count for us. Trust us We are energy of the future.


Green gas can be used in the same way as today's natural gas. It is a sustainable alternative to natural gas because it is CO2-neutral. We can transport and store green gas on a large scale via the existing infrastructure. Gasunie is working with a range of parties to develop the installations and techniques needed to make green gas affordable.


Gemserv is an expert provider of professional services in a world driven by data and technology. We are purpose-driven, working across multiple sectors including energy, low carbon, cyber & digital, the public sector and health to tackle today’s social and environmental challenges. Established in 2002, the business provides a range of consultancy and outsourcing capabilities including market design, governance, digital transformation, cyber and assurance.

Genius Energy Lab

The team at Genius Energy Lab have been designing Ground Source Heat Pump systems for over 20 years and consider ourselves the best at what we do. We are a design only company founded by ex contractors.

Geoconsult Ruppenthal

25 years of experience in the fields of engineering geology, contaminated sites, hydrogeology and geothermal energy make us a solid, competent and effective consulting and service partner for builders, planners, architects, investors, construction companies and authorities.

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