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MB Karstensen Consulting

ActiveOrganisation number 936398510Sole proprietorshipEst. 202573.300 · Public relations and communication activitiesFredrikstad, Østfold
Official record ↗
Age1 year
older than 12% of its sector
Same activity, Norway2,088live companies · 1841st oldest
In Fredrikstad5,668live companies · 7 in the same activity
At this address1only this company

In brief

MB Karstensen Consulting is a sole proprietorship founded on 18 October 2025. It is 1 year old; 88% of the 2,088 live companies whose main activity is public relations and communication activities are older. Its registered office is in Fredrikstad, Østfold. 7 live companies in Fredrikstad share the same main activity.

Register details

Registered nameMB KARSTENSEN CONSULTING
Organisation number936398510
Company typeSole proprietorship (ENK)
Registered officeFredrikstad
Nature of business (SN2025, Norwegian SIC)73.300 Public relations and communication activities
International sector (ISIC Rev.4)M · 70 Activities of head offices; management consultancy activities

Timeline

Register events, newest first.

  • Registered

Register entries

From the register.

Incorporated18 October 2025
Registered18 October 2025
VAT registerRegistered

Public relations and communication activities in Norway

Live companies whose main activity is 73.300: 2,088 in total, median age 4 years, 245 incorporated in the past 12 months.

All 2,088 companies
This company's decadeOther decades
05001,0001,5002,0001950s: 111950s1960s: 111960s1980s: 331980s1990s: 41411990s2000s: 1801802000s2010s: 5445442010s2020s: 1,3181,3182020s
Incorporated per year, still live
01002003004002011: 2020112012: 492013: 4020132014: 372015: 5620152016: 702017: 6620172018: 712019: 11620192020: 1092021: 13320212022: 1132023: 26520232024: 2422025: 26020252026: 196

Location

Registered office in Fredrikstad, Østfold.

Live companies in Fredrikstad5,668
Same activity in Fredrikstad7
New in Fredrikstad, past 12 months461

Similar companies

Live companies with the same main activity, nearest first.

Compare all
UT
Ulrikke TrenumKråkerøy, Østfold
Number 936382096Est. 2025
AK
Avinett Company KarlsenRolvsøy, Østfold
Number 936166563Est. 2025
B
Bmedia ASGressvik, Østfold
Number 936932371Est. 2026
SM
Sohlberg ManagementKråkerøy, Østfold
Number 937281145Est. 2026
WM
Wehler MediaKråkerøy, Østfold
Number 937724780Est. 2026
BC
Begby CommunicationsGressvik, Østfold
Number 938469210Est. 2026

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.