Industry code 41 · Trøndelag
Construction of buildings in Trondheim
There are 477 active companies in construction of buildings in Trondheim. 42 of them were registered in the last 12 months. Together they have 2,797 registered employees. The largest company is Hent AS with 1,410 employees. The oldest, Johan Andresen AS, was founded in 1946. 65% are limited companies.
- Active companies
- 477
- New in the last 12 months
- 42
- Registered employees
- 2,797
- Share of limited companies
- 65 %
The largest companies in construction of buildings in Trondheim
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 | Hent AS | 990749655 | 1,410 | NOK 9.4 bn | 2006 |
| 2 | Backe Trondheim AS | 952228609 | 94 | NOK 273.3 m | 1989 |
| 3 | Betonmast Trøndelag AS | 859739822 | 70 | NOK 563 m | 1991 |
| 4 | Mestergruppen Entreprenør AS | 987345632 | 58 | NOK 154.7 m | 2004 |
| 5 | Byggmester Hofstad AS | 993129755 | 47 | NOK 100.3 m | 2008 |
| 6 | Etto Bygg AS | 964131198 | 44 | NOK 138.9 m | 1992 |
| 7 | Timberbygg AS | 922577021 | 43 | NOK 106.1 m | 2019 |
| 8 | Tømrermester Arnstein Sørgård AS | 984686773 | 42 | NOK 125.7 m | 2002 |
| 9 | Næringsbygg AS | 920205968 | 39 | NOK 349.1 m | 2017 |
| 10 | Faaness Entreprenør AS | 917117608 | 34 | NOK 33 m | 2016 |
| 11 | Bn Bygg AS | 936236731 | 34 | NOK 0 | 2025 |
| 12 | Haw Entreprenør AS | 879621992 | 32 | NOK 84.5 m | 1998 |
| 13 | AS Byggservice | 885918042 | 32 | NOK 82.1 m | 2003 |
| 14 | Varmbobygg AS | 964454302 | 32 | NOK 130 m | 1992 |
| 15 | Km Bygg Entreprenør AS | 912026353 | 29 | NOK 46.3 m | 2013 |
| 16 | Byggmester Geir O Furunes AS | 962369537 | 29 | NOK 84.6 m | 1991 |
| 17 | Byåsen Trevare AS | 961393183 | 28 | NOK 55.8 m | 1991 |
| 18 | Agendi AS | 922698805 | 26 | NOK 34.7 m | 2019 |
| 19 | Fredheim & Paulsby Bygg AS | 977323622 | 26 | NOK 68.7 m | 1997 |
| 20 | Bugge AS | 910904019 | 23 | NOK 29.6 m | 1967 |
| 21 | Byggmester Hans Helseth AS | 974645033 | 21 | NOK 43.1 m | 1995 |
| 22 | Basis Bygg AS | 884550432 | 20 | NOK 33 m | 2002 |
| 23 | Trepro AS | 911601990 | 20 | NOK 22.9 m | 2013 |
| 24 | Karl-Ove Bjørnstad AS | 971583398 | 20 | NOK 83.6 m | 1994 |
| 25 | Valtec AS | 916022794 | 19 | NOK 54 m | 2015 |
Newest companies in construction of buildings in Trondheim
- Ruta Entreprenør AS Konkursbo2 Nov 2026
- Tom Bygg AS Konkursbo27 Oct 2026
- Aluas Tømrer Og Bygg23 Oct 2026
- Edelstierne AS20 Oct 2026
- Sjøhaug Bygg & Eiendom20 Oct 2026
- Nørstebø Byggservice AS20 Oct 2026
- Kjølstad Bygge-Tjenester15 Oct 2026
- Tømrer Daren9 Oct 2026
- Vn Byggservice AS7 Oct 2026
- Abo Byggservice AS30 Sept 2026
Frequently asked questions
How many companies in construction of buildings are there in Trondheim?
The Register of Legal Entities lists 477 active companies in construction of buildings in Trondheim. 42 of them were registered in the last 12 months.
Which is the largest company in construction of buildings in Trondheim?
Hent AS is the largest by number of employees, with 1,410 employees. The organisation number is 990749655.
How many people work in construction of buildings in Trondheim?
The companies have 2,797 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 Trondheim?
The oldest active company, Johan Andresen AS, was founded in 1946. 65% of the companies are limited companies.
Explore further
Construction of buildings in nearby municipalities
Sub-industries in Trondheim
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. Figures are updated continuously.