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Norwegian figures: closed businesses are removed from Enhetsregisteret, so closures are only counted from 3 October 2026, when we started collecting. Until then, growth over time looks higher than it really is.

Building contractor in 3916 Porsgrunn

Postcode · 933 residents
Postcode onlyWithin 3 kmWithin 10 kmWithin 25 kmWithin 30 km
26of 100

Opportunity score

Too small to judge

Low confidence

The area is small, so a single business opening or closing changes the picture a lot. Look at the wider area too.

See the five reasons

Why this score (26/100)

Room in the market0weak
Population growth58average
Momentum–left out
Survival–left out
Financial trend55average

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

Active now
26
– vs 12 months ago
Per 10,000 residents
278.7
similar areas 102.8 · Norway 72.8
Opened and closed, 3 years
1 opened – closed
last 12 months: 0 opened, – closed
Population
933
+3.0% in 5 years

Loading map…

Each dot is a place of business at its registered address. Click a dot to see the company.

There are 26 active businesses in the category “Building contractor” in 3916 Porsgrunn - 278.7 per 10,000 residents.

That is more than similar-sized areas (median 102.8 per 10,000). With the typical density you would expect about 10.

In the last 3 years 1 opened. Not available yet: closures are only known from 3 October 2026.

The population is 933 and has grown 3.0% over 5 years.

Compared with Norway

Building contractor in 3916 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.

PorsgrunnNorwayPorsgrunn NorwayVerdict
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

3916 Porsgrunn

This line starts on 3 October 2026, when closures start being known, and grows as we collect.

Openings and closures per year

02468Opened 2017: 12017Opened 2018: 02018Opened 2019: 22019Opened 2020: 12020Opened 2021: 52021Opened 2022: 22022Opened 2023: 72023Opened 2024: 02024Opened 2025: 12025Opened 2026 (so far): 0Closed 2026 (so far): 02026*
OpenedClosed* 2026 so far

Closures are counted from 3 October 2026; years before show openings only.

Money

Financials – Porsgrunn kommune

Median revenue
NOK 2.4m
141 companies filed
Profitable
41%
revenue trend +2.6%
05.0m10m15m20m20172019202120232025Porsgrunn kommuneNorway
Porsgrunn kommuneNorway

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 3916 Porsgrunn.

Trouble signs

Closed through bankruptcy (last 12 months)0
Forcibly dissolved (last 12 months)0

Competition

Share of the 3 largest operators12% · 26 owners

No company runs more than one place of business here, an independent market.

New and established

Openings per 10,000 residents (12 months)0.00 · Norway: 6.51
Average age of active businesses9.1 yrs · Norway: 11.5
Younger than 2 years4% · Norway: 17%
Older than 10 years27% · Norway: 41%

A typical mix of new and established businesses.

Moving in and out

Moved here (3 years)0 · 12 months: 0
Moved away (3 years)0 · 12 months: 0
Net0

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

Residents more than 5 km from one0 · 0%
More than 10 km0
Farthest parish (5,000+ residents)0.7 km · Eidanger sogn (Porsgrunn)

Measured from each parish centre in the municipality.

When businesses open and close

051015Opened Jan: 11JanOpened Feb: 1Opened Mar: 0MarOpened Apr: 0Opened May: 0MayOpened Jun: 0Opened Jul: 1JulOpened Aug: 0Opened Sep: 0SepOpened Oct: 1Opened Nov: 1NovOpened Dec: 0
Opened

Per calendar month, 2021–2025. Not available yet: closures are only known from 3 October 2026.

Existing businesses

26 in all, newest first.

NameAddressSince
· Aksjeselskap Jernbanegata 11, 3916 Porsgrunn 2025
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 15, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2023
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2022
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2022
· Aksjeselskap Jernbanegata 15, 3916 Porsgrunn 2021
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2021
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2021
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2021
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2021
· Aksjeselskap Grensegata 8, 3916 Porsgrunn 2020
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2019
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2019
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2017
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2016
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2016
· Aksjeselskap Jernbanegata 6, 3916 Porsgrunn 2015
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2014
· Aksjeselskap Jernbanegata 15, 3916 Porsgrunn 2009
· Aksjeselskap Jernbanegata 25, 3916 Porsgrunn 2005
· Boligbyggelag Jernbanegata 25, 3916 Porsgrunn 1970

Recently opened


Jernbanegata 11, 3916 Porsgrunn
Oct 2025

Recently closed

None in the last 2 years.

Comparable areas

Same type of area, similar population.

AreaResidentsActivePer 10kScore
1708 Sarpsborg93216171.738
9334 Øverbygd93211118.037
3235 Sandefjord93411117.847
4047 Hafrsfjord931553.773
3628 Veggli93138408.217
0550 Oslo93100.073

Other areas nearby

Ranked by opportunity score for building contractor.

AreaActivePer 10kScore
3924 Porsgrunn Postcode00.084
3925 Porsgrunn Postcode215.481
3913 Porsgrunn Postcode00.079
3937 Porsgrunn Postcode323.669
3929 Porsgrunn Postcode00.069
3942 Porsgrunn Postcode636.468
3917 Porsgrunn Postcode956.065
3930 Porsgrunn Postcode325.662

Population of Porsgrunn

Statistics Norway
8509009502016202120252026Residents

Who lives here

Statistics Norway · 2026
Children 0–15 11%
Young 16–24 13%
Adults 25–49 30%
Adults 50–66 24%
Seniors 67–79 14%
80 and older 8%

The line marks the average for Norway. Highlighted: the age group most relevant for building contractor.

Average age45.9 yrs · Norway: 41.8
Median household income after tax*NOK 661k · Norway: NOK 676k
Households with children*22% · Norway: 23%
Higher education (age 16+)*33% · Norway: 38%
Jobs located here*18,409
Commute in / out every day*9,630 / 8,923
Jobs per working resident*1.04 · Norway: 1.00

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 15.11.2026.