Industry code 74.9 · Telemark
Other professional, scientific and technical activities n.e.c. in Porsgrunn
There are 23 active companies in other professional, scientific and technical activities n.e.c. in Porsgrunn. 2 of them were registered in the last 12 months. Together they have 18 registered employees. The largest company is Verditaksering Kjell Larsen AS with 9 employees. The oldest, Arbeidsmiljø- & Sikkerhetskompetanse DA, was founded in 2000. 35% are limited companies.
- Active companies
- 23
- New in the last 12 months
- 2
- Registered employees
- 18
- Share of limited companies
- 35 %
The largest companies in other professional, scientific and technical activities n.e.c. in Porsgrunn
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 | Verditaksering Kjell Larsen AS | 921065981 | 9 | NOK 12.2 m | 2018 |
| 2 | Nord Taksering AS | 986593640 | 9 | NOK 16.4 m | 2004 |
| 3 | Kb Takst AS | 814787192 | – | NOK 944.9k | 2015 |
| 4 | Blomvik | 912453723 | – | – | – |
| 5 | Conzo AS | 915019137 | – | – | 2015 |
| 6 | Anker-Karlsen Consult | 915809413 | – | – | – |
| 7 | Roger Bratseth | 918029486 | – | – | – |
| 8 | Vip 39 AS | 918738088 | – | NOK 296.8k | 2017 |
| 9 | Bass72 Brynjar Helgi Brynjolfsson | 920457444 | – | – | – |
| 10 | Ravnå Drift Og Teknikk | 923338888 | – | – | – |
| 11 | Faber Argentarius AS | 929426886 | – | NOK 24k | 2022 |
| 12 | Event & Performance Ruud | 931015982 | – | – | – |
| 13 | Grønvold Kunst & Kultur | 933552829 | – | – | – |
| 14 | Sustainable-Life V/Atle Hammelow-Berg | 933843556 | – | – | – |
| 15 | Grenland Power Hub ANS | 936014852 | – | – | 2025 |
| 16 | Onyx 8 AS | 937614632 | – | – | 2026 |
| 17 | Smartlåst AS | 938317801 | – | – | 2026 |
| 18 | Nils Bjerketvedt | 975376087 | – | – | – |
| 19 | Kappa Hans Georg Andersen | 981930525 | – | – | – |
| 20 | Arbeidsmiljø- & Sikkerhetskompetanse DA | 982152291 | – | – | 2000 |
| 21 | Sirius Technology Gjertrud Rian Materials Consulting | 989529439 | – | – | – |
| 22 | Moro Produksjon Film, Tv Og Scene Jahn Gorakh Bremdal | 994147161 | – | – | – |
| 23 | Svinhult Jaktstuga DA | 996661822 | – | – | 2011 |
Newest companies in other professional, scientific and technical activities n.e.c. in Porsgrunn
- Smartlåst AS21 Aug 2026
- Onyx 8 AS25 Apr 2026
- Grenland Power Hub ANS22 Aug 2025
- Sustainable-Life V/Atle Hammelow-Berg29 Jul 2024
- Grønvold Kunst & Kultur4 Jun 2024
- Event & Performance Ruud13 Mar 2023
- Faber Argentarius AS28 Jun 2022
- Ravnå Drift Og Teknikk5 Sept 2019
- Verditaksering Kjell Larsen AS27 Jun 2018
- Bass72 Brynjar Helgi Brynjolfsson19 Feb 2018
Frequently asked questions
How many companies in other professional, scientific and technical activities n.e.c. are there in Porsgrunn?
The Register of Legal Entities lists 23 active companies in other professional, scientific and technical activities n.e.c. in Porsgrunn. 2 of them were registered in the last 12 months.
Which is the largest company in other professional, scientific and technical activities n.e.c. in Porsgrunn?
Verditaksering Kjell Larsen AS is the largest by number of employees, with 9 employees. The organisation number is 921065981.
How many people work in other professional, scientific and technical activities n.e.c. in Porsgrunn?
The companies have 18 registered employees in total. The figures are based on employee counts in the Register of Legal Entities, and 2 of the 25 largest companies have reported employees.
How long have there been companies in other professional, scientific and technical activities n.e.c. in Porsgrunn?
The oldest active company, Arbeidsmiljø- & Sikkerhetskompetanse DA, was founded in 2000. 35% of the companies are limited companies.
Explore further
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Other industries in the same group in Porsgrunn
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 74.9. Figures are updated continuously.