Building contractor in 3946 Porsgrunn
Opportunity score
Balanced
Medium confidenceSupply roughly matches similar areas.
See the five reasonsWhy this score (53/100)
The line marks 50, the average. The score compares this area with others of the same type; the gap to peers compares it with areas of similar size. Parts marked – can't be calculated here and are left out; the others count more. How the score is calculated
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Each dot is a place of business at its registered address. Click a dot to see the company.
There are 8 active businesses in the category “Building contractor” in 3946 Porsgrunn - 56.3 per 10,000 residents.
That is about the same as similar-sized areas (median 63.9 per 10,000). With the typical density you would expect about 9.
In the last 3 years 2 opened. Not available yet: closures are only known from 3 October 2026.
The population is 1,421 and has grown 1.7% over 5 years.
Compared with Norway
Building contractor in 3946 Porsgrunn against all of Norway. Annual-report figures are for 2025 (Porsgrunn kommune), from 141 companies. Survival can't be calculated for Norway yet: closed businesses are removed from Enhetsregisteret, so we only know closures from the day we started collecting.
| Porsgrunn | Norway | Porsgrunn Norway | Verdict | |
|---|---|---|---|---|
| Made a loss | 57% | 45% | More here | |
| Companies with negative equity | 22% | 20% | About the same | |
| Losses two years in a row | 39% | 28% | More here | |
| Median equity ratio | 26% | 31% | Weaker | |
| Run by chains (3+ places) | 0% | 1% | About the same |
Trend
Active businesses over time
3946 PorsgrunnThis line starts on 3 October 2026, when closures start being known, and grows as we collect.
Openings and closures per year
Closures are counted from 3 October 2026; years before show openings only.
Money
Financials – Porsgrunn kommune
Only limited companies (AS/ASA) file accounts – sole proprietorships (ENK) don't. Figures for Norway are operating revenue.
Deeper numbers
Survival, trouble signs, competition and people for building contractor in 3946 Porsgrunn.
Trouble signs
Competition
No company runs more than one place of business here, an independent market.
New and established
A typical mix of new and established businesses.
Moving in and out
A move is a place of business closing and the same company opening one in another area within 90 days. Chains are left out. A business that moves and keeps its place-of-business number isn't counted here yet, so the real number of moves is higher.
Distance to the nearest one
Measured from each parish centre in the municipality.
Existing businesses
8 in all, newest first.
| Name | Address | Since |
|---|---|---|
| · Enkeltpersonforetak | Skrivervegen 20B, 3946 Porsgrunn | 2026 |
| · Aksjeselskap | Bjørndalvegen 13, 3946 Porsgrunn | 2024 |
| · Aksjeselskap | Nyhusåsen 22, 3946 Porsgrunn | 2021 |
| · Enkeltpersonforetak | Tveitanvegen 58C, 3946 Porsgrunn | 2020 |
| · Aksjeselskap | Vikingvegen 24, 3946 Porsgrunn | 2020 |
| · Enkeltpersonforetak | Bjørndalvegen 8, 3946 Porsgrunn | 1990 |
| · OLE JONNY MADSEN MASKINENTREPRENØR AS · Aksjeselskap | Vallermyrvegen 163, 3946 Porsgrunn | 1971 |
| · Aksjeselskap | Floodmyrvegen 12, 3946 Porsgrunn | 1971 |
Nothing matches.
Recently opened
Skrivervegen 20B, 3946 Porsgrunn | Feb 2026 |
Recently closed
Floodmyrvegen 23, 3946 Porsgrunn | Nov 2026 after 13 yrs |
Comparable areas
Same type of area, similar population.
| Area | Residents | Active | Per 10k | Score |
|---|---|---|---|---|
| 5640 Eikelandsosen | 1,422 | 22 | 154.7 | 22 |
| 0953 Oslo | 1,422 | 2 | 14.1 | 68 |
| 6868 Gaupne | 1,420 | 19 | 133.8 | 31 |
| 3864 Rauland | 1,417 | 68 | 479.9 | 28 |
| 1811 Askim | 1,425 | 4 | 28.1 | 70 |
| 0570 Oslo | 1,417 | 4 | 28.2 | 55 |
Other areas nearby
Ranked by opportunity score for building contractor.
| Area | Active | Per 10k | Score |
|---|---|---|---|
| 3924 Porsgrunn Postcode | 0 | 0.0 | 84 |
| 3925 Porsgrunn Postcode | 2 | 15.4 | 81 |
| 3913 Porsgrunn Postcode | 0 | 0.0 | 79 |
| 3929 Porsgrunn Postcode | 0 | 0.0 | 69 |
| 3937 Porsgrunn Postcode | 3 | 23.6 | 69 |
| 3942 Porsgrunn Postcode | 6 | 36.4 | 68 |
| 3917 Porsgrunn Postcode | 9 | 56.0 | 65 |
| 3930 Porsgrunn Postcode | 3 | 25.6 | 62 |
Population of Porsgrunn
Statistics NorwayWho lives here
Statistics Norway · 2026The line marks the average for Norway. Highlighted: the age group most relevant for building contractor.
Roughly as many jobs as working residents.
* Figure for the municipality – Statistics Norway does not publish it for smaller areas.
Counts are places of business (sub-units) registered in the Central Coordinating Register (Brønnøysund) with a main industry code in this category. Businesses are placed by their registered address; trades like electricians often work across a wider area – use the radius view. Statistics updated 13.11.2026.