Industry code 80.01 · Telemark
Investigation and private security activities in Porsgrunn
There are 3 active companies in investigation and private security activities in Porsgrunn. No new companies have been registered in the last 12 months. Together they have 110 registered employees. The largest company is Night & Day Security AS with 85 employees. The oldest, Stena Confidential AS, was founded in 2020. 67% are limited companies.
- Active companies
- 3
- New in the last 12 months
- 0
- Registered employees
- 110
- Share of limited companies
- 67 %
The largest companies in investigation and private security activities 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 | Night & Day Security AS | 931505068 | 85 | NOK 5.2 m | 2023 |
| 2 | Stena Confidential AS | 924965126 | 25 | NOK 54.6 m | 2020 |
| 3 | Gustavsens Polar Sikkerhet | 986454934 | – | – | – |
Newest companies in investigation and private security activities in Porsgrunn
- Night & Day Security AS2 Jun 2023
- Stena Confidential AS22 Apr 2020
- Gustavsens Polar Sikkerhet17 Jan 2004
Frequently asked questions
How many companies in investigation and private security activities are there in Porsgrunn?
The Register of Legal Entities lists 3 active companies in investigation and private security activities in Porsgrunn. No new companies have been registered in the last 12 months.
Which is the largest company in investigation and private security activities in Porsgrunn?
Night & Day Security AS is the largest by number of employees, with 85 employees. The organisation number is 931505068.
How many people work in investigation and private security activities in Porsgrunn?
The companies have 110 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 investigation and private security activities in Porsgrunn?
The oldest active company, Stena Confidential AS, was founded in 2020. 67% of the companies are limited companies.
Source: the Register of Legal Entities and the Register of Company Accounts. The overview shows active companies registered in the municipality with industry code 80.01. Figures are updated continuously.

