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Europe · 9352 companies · Updated Mar 2026

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9352

Verified companies

30+

Countries

8

Energy sectors

GE

Gesec

Saint Avertin, France

Gesec is a 55-year-old economic interest grouping (GIE) network of 440 independent French SMEs specializing in HVAC, plumbing, electrical, and renewable energy installations and maintenance services across France.

RenewableSME networkHVAC
Est. 197050-200 emp
ME

Meriton

Czech Republic

Czech investment company focusing on tangible assets and conservative, long-term projects. Invests in renewable energy, real estate, gastronomy, and commodities. Part of the Miton group since 2018.

Renewableinvestmentrenewable energy
Est. 2018
SH

Stiefmüller Hohenauer & Partner GmbH

Innsbruck, Austria

Engineering consulting firm specializing in building services and renewable energy systems design. Provides planning, supervision, and consulting for HVAC and electrical systems with a focus on renewable energy integration for over 20 years.

Renewable
Est. 1990
SE

Sentus

Berlin, Germany

Infrastructure investment specialist in renewable energy and communications sectors across Europe. Provides lifecycle investment support for project development, capital requirements, and portfolio expansion in Germany and EU states.

Renewable
PH

Palladio Holding

Vicenza, Italy

Independent holding company with permanent capital investing in private equity and renewable energy projects since 1986. Focuses on industrial development and ESG integration across portfolio companies.

Renewableholding companyprivate equity
Est. 1986
HG

Holtmanns GmbH

Grefrath, Germany

German heating, sanitary, climate, and renewable energy solutions provider. Offers installation, maintenance, and consulting services with 20+ years of combined experience. Certified SenerTec partner.

Renewable
RE

RCA Energy

Lent, Netherlands

Independent energy advisory firm providing consulting on energy procurement, consumption reduction, and renewable energy integration for SMEs, large consumers, and individuals.

Renewableenergy advisoryprocurement
LE

LOGO e.V.

Lienen, Germany

German NGO founded in 1995 providing vocational training, internships, and seminars in organic agriculture and renewable energies. Supports international exchange projects and agricultural education through federal funding.

Renewable energiesorganic agriculturerenewable energies
Est. 1995
SI

Sustainable Innovations

Madrid, Spain

Consulting firm specializing in EU project management, grant writing, and commercialization support for renewable energy, bio-based industry, and advanced materials sectors. Supports bioeconomy, circular economy, and energy innovation initiatives.

Renewable EnergyEU ProjectsGrant Writing
GT

Green Tech Cluster Latvia

Liepāja, Latvia

Cross-sectoral cluster organization uniting companies, research institutions, and educational organizations operating in green and smart technologies, including renewable energy, energy-efficient buildings, smart manufacturing, and future mobility in Latvia and the Baltic Sea Region.

Renewable Energyclustergreen technologies
FG

FOX Group

Hamburg, Germany

Hamburg-based investment company focusing on strategic investments in renewable energy, real estate, infrastructure, and digital business models. Provides capital and operational support to mid-sized companies with €10–150M annual turnover, primarily in DACH region.

Renewable Energyprivate equitygrowth financing
50-200 emp
GR

Gruppodolomitienergia

Rovereto, Italy

Italian energy group operating in Trentino region, supplying electricity, gas, water, and district heating. Generates 98% of energy from renewable sources and has avoided over 1 million tonnes of CO2 emissions.

HydroRenewableenergy transitionsustainability

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