Industry code 43 · Vestland
Specialised construction activities in Bergen
There are 1,579 active companies in specialised construction activities in Bergen. 145 of them were registered in the last 12 months. Together they have at least 6,248 registered employees. The largest company is Sts-Isonor AS with 696 employees. The oldest, Chr M Vestrheim AS, was founded in 1915. 58% are limited companies.
- Active companies
- 1,579
- New in the last 12 months
- 145
- Registered employees
- ≥ 6,248
- Share of limited companies
- 58 %
The largest companies in specialised construction activities in Bergen
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 | Sts-Isonor AS | 991750282 | 696 | NOK 1 bn | 2007 |
| 2 | Chr M Vestrheim AS | 917154678 | 166 | NOK 318.6 m | 1915 |
| 3 | Bmo Elektro AS | 914366240 | 159 | NOK 329.8 m | 2014 |
| 4 | Kranproffen AS | 917367620 | 159 | NOK 164.3 m | 2016 |
| 5 | Anders O Grevstad AS | 977052033 | 101 | NOK 218 m | 1996 |
| 6 | Løvaas Maskin AS | 925264342 | 95 | NOK 218.1 m | 1978 |
| 7 | Fyllingen Maskin AS | 940564999 | 91 | NOK 585 m | 1977 |
| 8 | Innomhus AS | 985806063 | 88 | NOK 181 m | 2003 |
| 9 | Flm Elektro AS | 822902812 | 87 | NOK 187.7 m | 2019 |
| 10 | Malerfirma Monsen AS | 995474115 | 83 | NOK 162.1 m | 2010 |
| 11 | Fana Blikk AS | 965523057 | 78 | NOK 146.5 m | 1992 |
| 12 | Pilar Bergen Stillas AS | 929184750 | 68 | NOK 95.2 m | 1989 |
| 13 | Grevstad & Tvedt Vvs AS | 920215742 | 66 | NOK 168.9 m | 2017 |
| 14 | Bygg Og Ventilasjon AS | 933384527 | 66 | NOK 88 m | 1982 |
| 15 | Bi Elektro AS | 993517534 | 65 | NOK 90.3 m | 2008 |
| 16 | Bergen Rørteknikk AS | 993231150 | 63 | NOK 145 m | 2008 |
| 17 | Arna & Åsane Rørleggerservice AS | 989198629 | 62 | NOK 108.4 m | 2005 |
| 18 | Bergen Air AS | 987664282 | 59 | NOK 97.1 m | 2004 |
| 19 | Em Systemer AS | 963942281 | 57 | NOK 102 m | 1992 |
| 20 | Wimo Fjellsikring AS | 992185139 | 55 | NOK 117.7 m | 2008 |
| 21 | Vegmerking Vest AS | 995312069 | 54 | NOK 187.9 m | 2010 |
| 22 | W. Giertsen Tunnel AS | 986082506 | 53 | NOK 83.6 m | 2003 |
| 23 | Ateq // Bergen Stillas AS | 923477276 | 50 | NOK 73.5 m | 2019 |
| 24 | Sjøentreprenøren AS | 980649504 | 50 | NOK 199.8 m | 1999 |
| 25 | Kjell Hansen Elektro AS | 966228024 | 46 | NOK 63.7 m | 1993 |
Newest companies in specialised construction activities in Bergen
- Knuseservice AS6 Nov 2026
- Hope Malermester AS30 Oct 2026
- Thomsen Malerservice26 Oct 2026
- Graving Og Nyetablering AS20 Oct 2026
- Bujureanu Påbygg Vest14 Oct 2026
- Al Gharrawi Service8 Oct 2026
- Trijonis Bygg & Renovering1 Oct 2026
- Proff B&r Gruppen AS29 Sept 2026
- Vatten AS22 Sept 2026
- Nye Elteknikk AS22 Sept 2026
Frequently asked questions
How many companies in specialised construction activities are there in Bergen?
The Register of Legal Entities lists 1,579 active companies in specialised construction activities in Bergen. 145 of them were registered in the last 12 months.
Which is the largest company in specialised construction activities in Bergen?
Sts-Isonor AS is the largest by number of employees, with 696 employees. The organisation number is 991750282.
How many people work in specialised construction activities in Bergen?
The companies have at least 6,248 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 specialised construction activities in Bergen?
The oldest active company, Chr M Vestrheim AS, was founded in 1915. 58% of the companies are limited companies.
Explore further
Specialised construction activities in nearby municipalities
Sub-industries in Bergen
- 43.3 Building completion and finishing (579)
- 43.2 Electrical, plumbing and other construction installation activities (482)
- 43.1 Demolition and site preparation (240)
- 43.9 Other specialised construction activities (208)
- 43.4 Specialised construction activities related to building construction (62)
- 43.5 Specialised construction activities related to civil engineering (7)
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 43. Figures are updated continuously.

