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Top 50 Consulting Companies in Norway (2026)

Norway’s consulting sector is closely tied to energy, maritime, and public sector projects. This ranking highlights the 50 largest Norwegian consulting companies by headcount.

1

🇳🇴 NORCONSULT NORGE AS

4,413 employees6.6B NOK

Leading Nordic firm combining engineering, architecture, and digital expertise.

2

🇳🇴 SOPRA STERIA AS

3,671 employees5.9B NOK

Norway's leading consultancy for digitalization, innovation, and sustainability.

3

🇳🇴 JOBZONE NORGE AS

3,598 employees819.7M NOK

Leading Norwegian staffing and recruitment services provider with specialized expertise.

4

🇳🇴 MULTICONSULT NORGE AS

2,880 employees4.9B NOK

Leading Norwegian engineering consultancy delivering sustainable project solutions nationwide.

5

🇳🇴 DNV AS

2,341 employees12.8B NOK

Independent assurance provider safeguarding life, property, and environment globally.

6

🇳🇴 BOUVET NORGE AS

2,270 employees3.8B NOK

Leading Nordic consultancy building future society through digital solutions.

7

🇳🇴 SWECO NORGE AS

2,256 employees3.5B NOK

Europe's leading architecture and engineering consultancy transforming society.

8

🇳🇴 PRICEWATERHOUSECOOPERS AS

1,917 employees4.2B NOK

Global network providing audit, tax, consulting, and advisory services.

9

🇳🇴 ATEA AS

1,875 employees8.7B NOK

Norway's leading IT company building the nation with technology.

10

🇳🇴 RAMBØLL NORGE AS

1,425 employees2.3B NOK

Global experts creating sustainable solutions for society and nature.

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11

🇳🇴 ERNST & YOUNG AS

1,422 employees4.1B NOK

Global professional services firm providing assurance, tax, consulting, and strategy.

12

🇳🇴 CAPGEMINI NORGE AS

1,402 employees3.2B NOK

Global leader transforming business through technology and people.

13

🇳🇴 KPMG AS

1,373 employees3.1B NOK

Multidisciplinary firm providing audit, tax, and advisory services globally.

14

🇳🇴 AIDER AS

1,343 employees1.1B NOK

Leading Norwegian competence house redefining accounting and business services.

15

🇳🇴 ASPLAN VIAK AS

1,312 employees1.9B NOK

Norway's leading independent consulting firm for planning and engineering.

16

🇳🇴 COWI AS

1,307 employees2.6B NOK

International consultancy shaping sustainable solutions in engineering and environment.

17

🇳🇴 ARCHER AS

1,230 employees5.8B NOK

Global energy service company optimizing wells and supporting energy transition.

18

🇳🇴 DELOITTE AS

1,227 employees3.4B NOK

Global professional services network providing audit, consulting, tax, and advisory.

19

🇳🇴 SIEMENS ENERGY AS

1,207 employees4.9B NOK

Global leader providing energy technology solutions for the energy transition.

20

🇳🇴 RANDSTAD AS

1,106 employees307M NOK

Global leader providing staffing, recruitment, and HR solutions worldwide.

21

🇳🇴 STATENS KARTVERK

912 employees

Norway's official agency for mapping, property registration, and geodata.

22

🇳🇴 AZETS INSIGHT AS

907 employees1.6B NOK

International advisory group delivering tech-enabled business compliance services.

23

🇳🇴 H&P DRILLING NORGE AS

877 employees2B NOK
24

🇳🇴 ACCENTURE AS

830 employees3.1B NOK

Global professional services firm helping enterprises reinvent digitally with AI.

25

🇳🇴 WOOD GROUP NORWAY AS

803 employees2.1B NOK

Delivering engineering and project solutions for energy and materials.

26

🇳🇴 AVIATOR AIRPORT ALLIANCE AS

800 employees481.2M NOK

Global leader providing integrated, world-class aviation services and solutions.

27

🇳🇴 ONESUBSEA PROCESSING AS

786 employees4.7B NOK

World's leading provider of innovative subsea technology and solutions.

28

🇳🇴 NORSK GJENVINNING AS

767 employees3.3B NOK

Leading provider of circular economy and waste management solutions.

29

🇳🇴 ADVANIA NORGE AS

736 employees2.5B NOK

Technology company focused on human-centric IT solutions and services.

30

🇳🇴 FIRESAFE AS

731 employees990.2M NOK

Nordic total supplier for comprehensive fire safety solutions and services.

31

🇳🇴 ENORA AS

695 employees75.1M NOK

Nordic business services provider offering finance, payroll, and digital transformation expertise.

32

🇳🇴 BEKK CONSULTING AS

631 employees1.1B NOK

Technology, design, and management consulting partner for digital infrastructure.

33

🇳🇴 TIETO NORWAY AS

623 employees2.3B NOK

Developers of digital futures providing industry-specific software solutions.

34

🇳🇴 SPAREBANK 1 REGNSKAPSHUSET SMN AS

585 employees789.2M NOK

Leading regional financial group offering banking, accounting, and real estate services.

35

🇳🇴 OMEGA 365 CONSULTING AS

578 employees2.1B NOK

Global provider of project management software and expert personnel.

36

🇳🇴 INNOVASJON NORGE

570 employees

Norway's official agency supporting business growth and exports.

37

🇳🇴 NES ADVANTAGE AS

552 employees1.9B NOK

Delivering global outsourced workforce solutions with local expertise.

38

🇳🇴 CEGAL AS

539 employees1.4B NOK

Global tech powerhouse enabling digital success for the energy industry.

39

🇳🇴 SMARTLEGEN AS

513 employees10M NOK

Smartlegen streamlines Norwegian healthcare operations through innovative support solutions.

40

🇳🇴 RAMUDDEN NORGE AS

508 employees430.9M NOK

Providing comprehensive traffic and worksite safety solutions globally.

41

🇳🇴 CEDRA NORGE AS

491 employees88M NOK

Global professional services network driving business impact and progress.

42

🇳🇴 HRP AS

459 employees782.2M NOK

Expert consultancy ensuring optimal resource use in Norwegian construction projects.

43

🇳🇴 AFRY NORWAY ADVISORY AS

429 employees1.4B NOK

Leading Norwegian advisory firm executing complex projects across key sectors.

44

🇳🇴 ASSENT AS

429 employees57.6M NOK

Assent provides user-controlled personal assistance services for independent living.

45

🇳🇴 JOBBKRETSER AS

428 employees283.4M NOK

National Norwegian staffing chain delivering personnel services across sectors.

46

🇳🇴 HEAD ENERGY CONSULTING AS

424 employees1.1B NOK

Independent engineering group delivering sustainable solutions across key sectors.

47

🇳🇴 NORSK LANDBRUKSRÅDGIVING SA

422 employees376M NOK

Nationwide cooperative linking research knowledge to Norwegian farmers.

48

🇳🇴 NORGES GEOTEKNISKE INSTITUTT AS

417 employees804.6M NOK

Leading international institute researching and consulting on geosciences.

49

🇳🇴 OBOS BBL

417 employees4B NOK

One of the Nordic region's largest housing developers serving members.

50

🇳🇴 TWODAY AS

416 employees945.9M NOK

Twoday engineers lasting impact through applied AI and advanced technology solutions.

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