Building contractor in 3930 Porsgrunn
Opportunity score
Worth a closer look
Medium confidenceSome signals point to room for a new business.
See the five reasonsWhy this score (62/100)
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 3 active businesses in the category “Building contractor” in 3930 Porsgrunn - 25.6 per 10,000 residents.
That is fewer than similar-sized areas (median 63.9 per 10,000). With the typical density you would expect about 8.
In the last 3 years 0 opened. Not available yet: closures are only known from 3 October 2026.
The population is 1,174 and has grown 0.1% over 5 years.
Compared with Norway
Building contractor in 3930 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 |
Trend
Active businesses over time
3930 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 3930 Porsgrunn.
Trouble signs
Competition
No company runs more than one place of business here, an independent market.
New and established
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
3 in all, newest first.
| Name | Address | Since |
|---|---|---|
| · Enkeltpersonforetak | Hegglia 14, 3930 Porsgrunn | 2023 |
| · Aksjeselskap | Flintvegen 9, 3930 Porsgrunn | 2019 |
| · Aksjeselskap | Elgfaret 16, 3930 Porsgrunn | 2009 |
Nothing matches.
Comparable areas
Same type of area, similar population.
| Area | Residents | Active | Per 10k | Score |
|---|---|---|---|---|
| 3176 Undrumsdal | 1,174 | 3 | 25.6 | 77 |
| 0670 Oslo | 1,174 | 3 | 25.6 | 67 |
| 5938 Sæbøvågen | 1,173 | 11 | 93.8 | 28 |
| 5585 Sandeid | 1,175 | 16 | 136.2 | 38 |
| 5304 Hetlevik | 1,175 | 6 | 51.1 | 50 |
| 9518 Alta | 1,172 | 22 | 187.7 | 30 |
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 |
| 3937 Porsgrunn Postcode | 3 | 23.6 | 69 |
| 3929 Porsgrunn Postcode | 0 | 0.0 | 69 |
| 3942 Porsgrunn Postcode | 6 | 36.4 | 68 |
| 3917 Porsgrunn Postcode | 9 | 56.0 | 65 |
| 3919 Porsgrunn Postcode | 16 | 54.3 | 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.