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Industry code 71 · Oslo

Architectural and engineering activities; technical testing and analysis in Oslo

There are 4,890 active companies in architectural and engineering activities; technical testing and analysis in Oslo. 431 of them were registered in the last 12 months. Together they have at least 22,121 registered employees. The largest company is Multiconsult Norge AS with 2,884 employees. The oldest, Norsk Energi, was founded in 1916. 54% are limited companies.

Active companies
4,890
New in the last 12 months
431
Registered employees
≥ 22,121
Share of limited companies
54 %

The largest companies in architectural and engineering activities; technical testing and analysis in Oslo

Sorted by number of employees. Figures are from the Register of Legal Entities and the Register of Company Accounts.

#CompanyOrg. no.EmployeesRevenueFounded
1Multiconsult Norge AS9188365192,884NOK 5.2 bn2017
2Sweco Norge AS9670322712,256NOK 3.7 bn1993
3Rambøll Norge AS9152512931,412NOK 2.2 bn1957
4Cowi AS9793648571,322NOK 2.4 bn1997
5Siemens Energy AS9158269461,198NOK 5.5 bn1960
6Siemens AS923009108484NOK 2.4 bn2019
7Hrp AS988889245458NOK 745.1 m2005
8Afry Norway Advisory AS883889762429NOK 1.5 bn2001
9Wsp Norge AS881894742401NOK 827.4 m2000
10Afry Norway AS915229719367NOK 656 m2015
11Rystad Energy AS887448892321NOK 996.4 m2004
12Goodtech AS984892071314NOK 726.5 m2002
13Link Arkitektur AS975999726253NOK 411.2 m1995
14Metier AS917807590234NOK 822.5 m2016
15Pgs Geophysical AS960563085225NOK 3.9 bn1991
16Nordic Office Of Architecture AS920013899215NOK 399.5 m2017
17Kiwa AS976491696214NOK 389.3 m1996
18Fugro Norway AS969059789200NOK 1.3 bn1994
19Siemens Mobility AS919366060196NOK 1.7 bn2017
20Voith Hydro AS980982637174NOK 594.1 m1999
21Johnson Controls Norway AS940729092167NOK 461.3 m1986
22Af Energi AS983480535143NOK 527.9 m2001
23Nordomatic Norge AS919967870139NOK 291.2 m2017
24Rejlers AS995500167139NOK 323.1 m2010
25Viljr AS936273580138NOK 1.6 m2025
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Newest companies in architectural and engineering activities; technical testing and analysis in Oslo

Frequently asked questions

How many companies in architectural and engineering activities; technical testing and analysis are there in Oslo?

The Register of Legal Entities lists 4,890 active companies in architectural and engineering activities; technical testing and analysis in Oslo. 431 of them were registered in the last 12 months.

Which is the largest company in architectural and engineering activities; technical testing and analysis in Oslo?

Multiconsult Norge AS is the largest by number of employees, with 2,884 employees. The organisation number is 918836519.

How many people work in architectural and engineering activities; technical testing and analysis in Oslo?

The companies have at least 22,121 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 25 of the 25 largest companies have reported employees.

How long have there been companies in architectural and engineering activities; technical testing and analysis in Oslo?

The oldest active company, Norsk Energi, was founded in 1916. 54% of the companies are limited companies.

Explore further

Sub-industries in Oslo

Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 71. Figures are updated continuously.

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