Industry code 43.23 · Oslo
Installation of insulation in Oslo
There are 16 active companies in installation of insulation in Oslo. 1 of them were registered in the last 12 months. Together they have 64 registered employees. The largest company is Kera Isolering AS with 17 employees. The oldest, Oslo Isolasjonsservice AS, was founded in 1986. 81% are limited companies.
- Active companies
- 16
- New in the last 12 months
- 1
- Registered employees
- 64
- Share of limited companies
- 81 %
The largest companies in installation of insulation 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 | Kera Isolering AS | 925559792 | 17 | NOK 21.1 m | 2020 |
| 2 | Oslo Isolasjonsservice AS | 942465041 | 16 | NOK 27.1 m | 1986 |
| 3 | Mr Fug Brannsikring AS | 934010205 | 15 | NOK 15.2 m | 2024 |
| 4 | Fugemesteren AS | 926452576 | 6 | NOK 30.1 m | 2021 |
| 5 | Westby Teknisk Isolering AS | 892543992 | 5 | NOK 11.2 m | 2008 |
| 6 | Isotech Isolasjoner AS | 922358249 | 5 | NOK 2.6 m | 2019 |
| 7 | Fugemesteren Holding AS | 916067232 | – | – | 2015 |
| 8 | Esit Badrkhan | 928102858 | – | – | – |
| 9 | Fire Topco AS | 929047788 | – | NOK 1.9 bn | 2022 |
| 10 | Fire Holdco AS | 929047877 | – | – | 2022 |
| 11 | Gerco Fas AS | 931124676 | – | NOK 4.9k | 2023 |
| 12 | Naturisolasjon AS | 934926218 | – | NOK 491k | 2025 |
| 13 | Esit Isolering AS | 936517528 | – | NOK 153.3k | 2025 |
| 14 | Flexmont AS | 938632618 | – | – | 2026 |
| 15 | Industrietechnik Samek Gbt | 988358355 | – | – | – |
| 16 | Krasnov Entreprinør | 990231192 | – | – | – |
Newest companies in installation of insulation in Oslo
- Flexmont AS7 Oct 2026
- Esit Isolering AS4 Nov 2025
- Naturisolasjon AS27 Jan 2025
- Mr Fug Brannsikring AS2 Sept 2024
- Gerco Fas AS28 Mar 2023
- Fire Topco AS7 Apr 2022
- Fire Holdco AS7 Apr 2022
- Esit Badrkhan10 Nov 2021
- Fugemesteren AS25 Jan 2021
- Kera Isolering AS31 Aug 2020
Frequently asked questions
How many companies in installation of insulation are there in Oslo?
The Register of Legal Entities lists 16 active companies in installation of insulation in Oslo. 1 of them were registered in the last 12 months.
Which is the largest company in installation of insulation in Oslo?
Kera Isolering AS is the largest by number of employees, with 17 employees. The organisation number is 925559792.
How many people work in installation of insulation in Oslo?
The companies have 64 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 6 of the 25 largest companies have reported employees.
How long have there been companies in installation of insulation in Oslo?
The oldest active company, Oslo Isolasjonsservice AS, was founded in 1986. 81% of the companies are limited companies.
Other industries in the same group 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 43.23. Figures are updated continuously.