Industry code 81 · Oslo
Services to buildings and landscape activities in Oslo
There are 2,261 active companies in services to buildings and landscape activities in Oslo. 258 of them were registered in the last 12 months. Together they have at least 23,591 registered employees. The largest company is Iss Facility Services AS with 7,243 employees. The oldest, Iss Facility Services AS, was founded in 1952. 27% are limited companies.
- Active companies
- 2,261
- New in the last 12 months
- 258
- Registered employees
- ≥ 23,591
- Share of limited companies
- 27 %
The largest companies in services to buildings and landscape activities 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 | Iss Facility Services AS | 914791723 | 7,243 | NOK 5.7 bn | 1952 |
| 2 | 4service Eir Renhold AS | 917719993 | 3,888 | NOK 1.4 bn | 2016 |
| 3 | Coor Cleaning Catering And Property AS | 912523918 | 1,700 | NOK 634 m | 2013 |
| 4 | Statsbygg | 971278374 | 1,020 | – | – |
| 5 | Iss Service Management AS | 931620207 | 764 | NOK 503.2 m | 1970 |
| 6 | Rent Renholdstjenester AS | 994311344 | 756 | NOK 223.9 m | 2009 |
| 7 | Oslobygg KF | 924599545 | 605 | – | 2020 |
| 8 | Coor Service Management AS | 983219721 | 577 | NOK 2.6 bn | 2001 |
| 9 | Living Clean Renhold AS | 997963164 | 359 | NOK 82.4 m | 2012 |
| 10 | Evat AS | 927695863 | 347 | NOK 194.3 m | 2021 |
| 11 | Anticimex A/S | 923856781 | 341 | NOK 629 m | 1973 |
| 12 | Polygon AS | 915229115 | 339 | NOK 637.9 m | 1957 |
| 13 | Nordn AS | 987704918 | 303 | NOK 165.4 m | 2004 |
| 14 | Citymaid Hjemmeservice AS | 948283697 | 268 | NOK 131.9 m | 1987 |
| 15 | Trippel Bedriftsservice AS | 981275985 | 244 | NOK 88.5 m | 1999 |
| 16 | Vaktmesterkompaniet AS | 911935589 | 229 | NOK 1.2 bn | 2013 |
| 17 | Boligbygg Oslo KF | 974780747 | 218 | – | 1989 |
| 18 | Freska Norway AS | 916035659 | 165 | NOK 65.8 m | 2015 |
| 19 | Oslo Kommune Eiendoms- Og Byfornyelsesetaten | 874780782 | 146 | – | 1990 |
| 20 | Euromiljø Rent AS | 911790211 | 142 | NOK 42.6 m | 2013 |
| 21 | Ren Service AS | 987066628 | 120 | NOK 94.5 m | 2004 |
| 22 | Eurox Renhold AS | 998576636 | 103 | NOK 26.8 m | 2012 |
| 23 | Clean Unit Renhold AS | 895215902 | 94 | NOK 26.4 m | 2010 |
| 24 | Bygårdsservice AS | 914355354 | 92 | NOK 127.5 m | 2014 |
| 25 | Iss Management AS | 992097841 | 83 | NOK 203.1 m | 2007 |
Newest companies in services to buildings and landscape activities in Oslo
- Vipservice Szwedzik4 Nov 2026
- Arnesen Tjenester29 Oct 2026
- Sjöberg One27 Oct 2026
- Antonio Renhold23 Oct 2026
- Slyngstad Tjenesteleveranser22 Oct 2026
- 1 Oslo Rent & Eiendom Service AS.22 Oct 2026
- Ren-Og-Pen Rognsøy20 Oct 2026
- Service4u Løkke-Sørensen19 Oct 2026
- Maria Botnar16 Oct 2026
- Flyttevask Oslo Og Omegn Said Hemaz16 Oct 2026
Frequently asked questions
How many companies in services to buildings and landscape activities are there in Oslo?
The Register of Legal Entities lists 2,261 active companies in services to buildings and landscape activities in Oslo. 258 of them were registered in the last 12 months.
Which is the largest company in services to buildings and landscape activities in Oslo?
Iss Facility Services AS is the largest by number of employees, with 7,243 employees. The organisation number is 914791723.
How many people work in services to buildings and landscape activities in Oslo?
The companies have at least 23,591 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 services to buildings and landscape activities in Oslo?
The oldest active company, Iss Facility Services AS, was founded in 1952. 27% of the companies are limited companies.
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 81. Figures are updated continuously.

