Industry code 71.129 · Oslo
Other engineering consultancy in Oslo
There are 2,172 active companies in other engineering consultancy in Oslo. 225 of them were registered in the last 12 months. Together they have at least 6,599 registered employees. The largest company is Siemens Energy AS with 1,198 employees. The oldest, Norsk Energi, was founded in 1916. 60% are limited companies.
- Active companies
- 2,172
- New in the last 12 months
- 225
- Registered employees
- ≥ 6,599
- Share of limited companies
- 60 %
The largest companies in other engineering consultancy in Oslo
Sorted by number of employees. Figures are from the Register of Legal Entities and the Register of Company Accounts.
| # | Company | Org. no. | Employees | Revenue | Founded |
|---|---|---|---|---|---|
| 1 | Siemens Energy AS | 915826946 | 1,198 | NOK 5.5 bn | 1960 |
| 2 | Siemens AS | 923009108 | 484 | NOK 2.4 bn | 2019 |
| 3 | Rystad Energy AS | 887448892 | 321 | NOK 996.4 m | 2004 |
| 4 | Goodtech AS | 984892071 | 314 | NOK 726.5 m | 2002 |
| 5 | Siemens Mobility AS | 919366060 | 196 | NOK 1.7 bn | 2017 |
| 6 | Voith Hydro AS | 980982637 | 174 | NOK 594.1 m | 1999 |
| 7 | Johnson Controls Norway AS | 940729092 | 167 | NOK 461.3 m | 1986 |
| 8 | Af Energi AS | 983480535 | 143 | NOK 527.9 m | 2001 |
| 9 | Nordomatic Norge AS | 919967870 | 139 | NOK 291.2 m | 2017 |
| 10 | Rejlers AS | 995500167 | 139 | NOK 323.1 m | 2010 |
| 11 | Abl Group Norway AS | 962238742 | 118 | NOK 684.8 m | 1991 |
| 12 | Texas Instruments Norway AS | 980499480 | 104 | NOK 267.3 m | 1999 |
| 13 | Rail Production AS | 924916028 | 100 | NOK 439.8 m | 2020 |
| 14 | Ge Power Norway AS | 980402274 | 98 | NOK 995.9 m | 1998 |
| 15 | Niras Norge AS | 992152265 | 98 | NOK 285.2 m | 2007 |
| 16 | Norsk Energi | 945469277 | 90 | NOK 177.6 m | 1916 |
| 17 | Holte Consulting AS | 982506379 | 86 | NOK 239.4 m | 2000 |
| 18 | Yinson Production AS | 930366323 | 73 | NOK 28.7 m | 1980 |
| 19 | Systra Norge AS | 942064853 | 57 | NOK 114.3 m | 1987 |
| 20 | Galleon Embedded Computing AS | 994608177 | 56 | NOK 243.4 m | 2009 |
| 21 | Fred. Olsen Renewables AS | 827459232 | 49 | NOK 2.3 bn | 2021 |
| 22 | Skytanking Norway AS | 931704060 | 49 | NOK 46 m | 2023 |
| 23 | Airthings AS | 993092045 | 48 | NOK 291 m | 2008 |
| 24 | Ingeniørkontoret Ingenia AS | 968142739 | 47 | NOK 75.8 m | 1993 |
| 25 | Arbion Industries AS | 926589989 | 45 | NOK 2.8 m | 2021 |
Newest companies in other engineering consultancy in Oslo
- H.n Holding AS30 Oct 2026
- Pb Consulting AS30 Oct 2026
- Jensen Geodata28 Oct 2026
- Safetech Production AS24 Oct 2026
- Bjørgvind Renewables AS22 Oct 2026
- Byggnor Pro AS20 Oct 2026
- Norsk Takstkontor AS19 Oct 2026
- Kildan Berglund16 Oct 2026
- Hv Site AS16 Oct 2026
- Sustainable Spacetech AS16 Oct 2026
Frequently asked questions
How many companies in other engineering consultancy are there in Oslo?
The Register of Legal Entities lists 2,172 active companies in other engineering consultancy in Oslo. 225 of them were registered in the last 12 months.
Which is the largest company in other engineering consultancy in Oslo?
Siemens Energy AS is the largest by number of employees, with 1,198 employees. The organisation number is 915826946.
How many people work in other engineering consultancy in Oslo?
The companies have at least 6,599 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 other engineering consultancy in Oslo?
The oldest active company, Norsk Energi, was founded in 1916. 60% of the companies are limited companies.
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 71.129. Figures are updated continuously.