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Walnum

ActiveOrganisation number 932043076Sole proprietorshipEst. 202343.320 · Joinery installationPorsgrunn, Telemark
Official record ↗
Age3 years
older than 29% of its sector
Same activity, Norway11,470live companies · 8100th oldest
In Porsgrunn5,962live companies · 60 in the same activity
At this address1only this company

In brief

Walnum is a sole proprietorship founded on 8 September 2023. It is 3 years old; 71% of the 11,470 live companies whose main activity is joinery installation are older. Its registered office is in Porsgrunn, Telemark. 60 live companies in Porsgrunn share the same main activity.

Register details

Registered nameWALNUM
Organisation number932043076
Company typeSole proprietorship (ENK)
Registered officePorsgrunn
Nature of business (SN2025, Norwegian SIC)43.320 Joinery installation
International sector (ISIC Rev.4)F · 43 Specialised construction activities

Timeline

Register events, newest first.

  • Registered

Register entries

From the register.

Incorporated8 September 2023
Registered8 September 2023
VAT registerRegistered

Joinery installation in Norway

Live companies whose main activity is 43.320: 11,470 in total, median age 6 years, 1,211 incorporated in the past 12 months.

All 11,470 companies
This company's decadeOther decades
02,0004,0006,0008,0001930s: 111930s1950s: 221950s1960s: 331960s1970s: 551970s1980s: 43431980s1990s: 1,0801,0801990s2000s: 1,1161,1162000s2010s: 3,0103,0102010s2020s: 6,2106,2102020s
Incorporated per year, still live
05001,0001,5002,0002011: 15720112012: 2332013: 23820132014: 2802015: 27520152016: 3402017: 36620172018: 4132019: 56820192020: 6852021: 71620212022: 7822023: 94620232024: 9712025: 1,08320252026: 1,027

Location

Registered office in Porsgrunn, Telemark.

Live companies in Porsgrunn5,962
Same activity in Porsgrunn60
New in Porsgrunn, past 12 months407

Similar companies

Live companies with the same main activity, nearest first.

Compare all
NB
Norges Bolig ASPorsgrunn, Telemark
Number 932102692Est. 2023
AW
Andreas Woxen Holding ASPorsgrunn, Telemark
Number 932743485Est. 2023
OL
O. LundebergPorsgrunn, Telemark
Number 932336243Est. 2023
EM
Edg Montasjon / Edgaras SeputisPorsgrunn, Telemark
Number 931454676Est. 2023
AW
A Woxen Eiendom ASPorsgrunn, Telemark
Number 933112195Est. 2024
BN
Botnen Nordahl SnekkeriPorsgrunn, Telemark
Number 930942472Est. 2023

Sources

Register data: Enhetsregisteret, Brønnøysund Register Centre (Norwegian Licence for Open Government Data, NLOD), delivery of 20 October 2026. Industry codes and names: Statistics Norway (CC BY 4.0). Context figures are computed by FirmsDB from these sources. This page is not an official register; check the entry in Enhetsregisteret before relying on it.