Industry code 41.0 · Oslo
Construction of buildings in Oslo
There are 1,862 active companies in construction of buildings in Oslo. 116 of them were registered in the last 12 months. Together they have at least 12,645 registered employees. The largest company is Veidekke Entreprenør AS with 2,925 employees. The oldest, Olaf E Eriksen AS Entreprenørforretning, was founded in 1931. 52% are limited companies.
- Active companies
- 1,862
- New in the last 12 months
- 116
- Registered employees
- ≥ 12,645
- Share of limited companies
- 52 %
The largest companies in construction of buildings 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 | Veidekke Entreprenør AS | 984024290 | 2,925 | NOK 16.2 bn | 2001 |
| 2 | Skanska Norge AS | 943049467 | 2,918 | NOK 15.2 bn | 1986 |
| 3 | Jm Norge AS | 829350122 | 266 | NOK 2.2 bn | 1964 |
| 4 | Cts Nordics AS | 923477438 | 243 | NOK 4.2 bn | 2019 |
| 5 | Obos Entreprenør AS | 930061212 | 222 | NOK 316.2 m | 2022 |
| 6 | Novo Entreprenør AS | 921688687 | 145 | NOK 63 m | 2018 |
| 7 | Equient AS | 817523552 | 144 | NOK 86.7 m | 2016 |
| 8 | Vedal Entreprenør AS | 983797652 | 137 | NOK 2.6 bn | 2001 |
| 9 | Alliero AS | 980920569 | 118 | NOK 178 m | 1999 |
| 10 | Con-Form AS | 931419323 | 117 | NOK 435 m | 1982 |
| 11 | Bundebygg AS | 962383149 | 117 | NOK 699.9 m | 1991 |
| 12 | Konstra AS | 927249952 | 107 | NOK 16.5 m | 2021 |
| 13 | Fortica AS | 933090256 | 107 | NOK 4.6 m | 2024 |
| 14 | Tiveta AS | 998718724 | 106 | NOK 108.6 m | 2012 |
| 15 | Oslo Byggentreprenør AS | 950030119 | 101 | NOK 460.2 m | 1988 |
| 16 | Bygg & Mal AS | 994841432 | 99 | NOK 140.1 m | 2009 |
| 17 | Norske Bæresystemer AS | 996808548 | 98 | NOK 273.5 m | 2011 |
| 18 | N P Bygg AS | 942273711 | 90 | NOK 1.5 bn | 1986 |
| 19 | Submet Entreprenør AS | 922114137 | 88 | NOK 45 m | 2018 |
| 20 | Veidekke Fellestjenester AS | 923477675 | 80 | NOK 237.9 m | 2019 |
| 21 | Kl-Bygg Viken AS | 829012162 | 79 | NOK 29 m | 2022 |
| 22 | Monia Bygg AS | 933767353 | 72 | NOK 25.9 m | 2024 |
| 23 | Workman AS | 997306503 | 72 | NOK 62.8 m | 2011 |
| 24 | Betonmast Oslo AS | 996605833 | 69 | NOK 785.6 m | 2011 |
| 25 | Oslo Bygginnredning AS | 998296323 | 69 | NOK 149.8 m | 2012 |
Newest companies in construction of buildings in Oslo
- Ja Byggtjenester AS5 Nov 2026
- Godtbygg AS5 Nov 2026
- Malerinnen AS Konkursbo5 Nov 2026
- Ra Bygg Bdewi29 Oct 2026
- D.g Optimal Bygg AS Konkursbo28 Oct 2026
- Bygglast AS22 Oct 2026
- Smida Bygg & Montasje AS Konkursbo20 Oct 2026
- Svea Entreprenad AS Konkursbo20 Oct 2026
- Smartbo AS Konkursbo15 Oct 2026
- Aa-Prosjekt AS15 Oct 2026
Frequently asked questions
How many companies in construction of buildings are there in Oslo?
The Register of Legal Entities lists 1,862 active companies in construction of buildings in Oslo. 116 of them were registered in the last 12 months.
Which is the largest company in construction of buildings in Oslo?
Veidekke Entreprenør AS is the largest by number of employees, with 2,925 employees. The organisation number is 984024290.
How many people work in construction of buildings in Oslo?
The companies have at least 12,645 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 construction of buildings in Oslo?
The oldest active company, Olaf E Eriksen AS Entreprenørforretning, was founded in 1931. 52% 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 41.0. Figures are updated continuously.