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Top 50 Energy Companies in Denmark (2026)

Denmark leads the world in wind energy and is home to Orsted and Vestas. Discover the top Danish energy companies ranked by workforce size.

1

🇩🇰 Akeab, filial af Anläggning & Kabel Entreprenad i Malmö AB, Sverige

7 employees

Building modern, sustainable infrastructure for energy, transport, and information transfer.

2

🇩🇰 SPECIAL WASTE SYSTEM A/S

5 employees

Destroys hazardous waste via incineration, providing district heating locally.

3

🇩🇰 GREEN MARINE ENGINEERING ApS

2–4 employees

Global maritime engineering and fuel transition consulting experts.

4

🇩🇰 IONITY GmbH Danish Branch, filial af IONITY GmbH, Germany

4 employees

IONITY operates Europe's ultra-fast EV charging network.

5

🇩🇰 ANDRITZ Dedert International A/S

3 employees

Leading supplier of industrial process technologies driving green transition.

6

🇩🇰 Filial af TOSHIBA INTERNATIONAL (EUROPE) LTD.

3 employees

Provides diverse energy, industrial, and electronic technology solutions across Americas.

7

🇩🇰 OX2 Denmark ApS

3 employees

OX2 accelerates access to renewable energy solutions across Europe and Australia.

8

🇩🇰 VARTA Consumer Denmark A/S

3 employees

VARTA defines the future of battery technology for independence.

9

🇩🇰 Aneo Retail Denmark A/S

2 employees

Nordic renewable energy producer driving the green transition forward.

10

🇩🇰 Drying Matter ApS

2 employees

Innovative heat pump technology for energy-efficient sludge drying solutions.

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11

🇩🇰 ENSTO SERVICE ApS

2 employees

Creating smart, sustainable solutions for reliable electricity distribution networks.

12

🇩🇰 FRONIUS DANMARK ApS

2 employees

Global technology leader in welding, solar energy, and battery charging solutions.

13

🇩🇰 Holtab Danmark A/S

2 employees

Provider of safe, sustainable power transmission solutions for infrastructure.

14

🇩🇰 IKM OCEAN TEAM WINDCARE A/S

2 employees

Leading global service provider for the energy sector industry.

15

🇩🇰 Kongstein Danmark A/S

2 employees

Independent consultancy accelerating green shift in offshore energy.

16

🇩🇰 Reflex Denmark, filial af Reflex Winkelmann GmbH, Tyskland

2 employees

Leading provider of high-quality heating and hot water supply systems.

17

🇩🇰 ÅF TeknikTrekanten A/S

1 employees

AFRY unlocks sustainable transitions through global engineering and advisory services.

18

🇩🇰 Corvus Energy ApS

1 employees

Leading supplier of zero-emission battery and fuel cell solutions for maritime.

19

🇩🇰 DEUTSCHE WINDTECHNIK APS

1 employees

Independent global provider of comprehensive wind turbine maintenance services.

20

🇩🇰 GEOLOG NORTH SEA DENMARK, FILIAL AF GEOLOG NORTH SEA B.V., HOLLAND

1 employees

Leading independent provider of subsurface evaluation and drilling data services.

21

🇩🇰 GREEN MARINE ApS

1 employees

Global maritime engineering and fuel transition consulting experts.

22

🇩🇰 IKM OCEAN TEAM A/S

1 employees

Leading global service provider for the energy sector industry.

23

🇩🇰 Kirby Group Engineering (Denmark) ApS

1 employees

Leading mechanical and electrical engineering contractor serving major European sectors.

24

🇩🇰 Lhyfe Denmark ApS

1 employees

Pioneering European producer and supplier of renewable hydrogen.

25

🇩🇰 TotalEnergies Petrochemicals & Refining SA, filial af TotalEnergies Petrochemicals & Refining SA, Belgien

1 employees

Global integrated energy company producing and marketing diverse energies.

26

🇩🇰 TotalEnergies Renouvelables Danemark ApS

1 employees

Global integrated energy company producing and marketing diverse energies.

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