Company lists · Data verified August 2026

Top 9 B2B SEO agencies based in Oslo, Norway

Name: B2B SEO agencies based in Oslo, Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 26 companies tracked

There are 26 B2B SEO agencies headquartered in Oslo, Norway (RevenueBase, August 2026). RevenueBase tracks 132 professional contacts across them, including 21 with verified work emails and 5 with mobile numbers. Oslo is the largest hub.

This list covers B2B SEO agencies headquartered in Oslo, Norway, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Data current as of August 28, 2026.

26Companies

132Contacts tracked

21Verified emails

5Mobile numbers

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The 9 largest B2B SEO agencies based in Oslo, Norway

Ranked by team size

Top 9 of 26 B2B SEO agencies based in Oslo, Norway, ranked by team size, largest first. Data verified Aug 28, 2026. Click a count to unlock that company's people.
#	Company	HQ	Employees	Contacts	Verified emails
1	Bonzer	Oslo	51-200	64	3
2	Horn Media Group	Oslo	11-50	14	9
3	NARD	Oslo	1-10	6	2
4	Replan AS	Oslo	1-10	3	2
5	Optigon AS	Oslo	1-10	1	1
6	Fonvig Group	Oslo	1-10	1	1
7	Search Planet AS	Oslo	1-10	1	1
8	Småseo	Oslo	1-10	1	1
9	Harwest	Oslo	1-10	1	1

Showing 9 of 26 B2B SEO agencies based in Oslo, Norway

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 21 reachable decision-makers.

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B2B SEO agencies based in Oslo, Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 26 HQs

5Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

B2B SEO agencies by metro in Norway

Metro	Companies
B2B SEO agencies in Oslo	26
B2B SEO agencies in Frogner	2
B2B SEO agencies in Bergen	1
B2B SEO agencies in Kristiansand Vest	1
B2B SEO agencies in Larvik	1
B2B SEO agencies in Lillestrom	1
B2B SEO agencies in Nesodden	1

How this list was built

Source: The RevenueBase company graph: 21.3 million companies and 398.9 million professional contacts resolved from primary sources.
Inclusion: Companies whose own business descriptions match “B2B SEO agencies”, with match quality audited by blind human judging, and headquartered in Oslo, Norway.
Ranking: Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
Verification: Contact records re-verify on a rolling cadence; 0 contacts on this list were re-verified in the last 30 days.
Refresh: Lists are refreshed periodically as the underlying company graph is re-verified. Last verified Aug 28, 2026.

Frequently asked

How many B2B SEO agencies are there based in Oslo, Norway?

There are 26 B2B SEO agencies headquartered in Oslo, Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

Bonzer, headquartered in Oslo, tops this list with the largest team on record.

Which city has the most B2B SEO agencies?

Oslo leads with 26 headquartered companies, followed by Frogner (2) and Bergen (1).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 21 verified decision-maker contacts tracked across these 26 companies.

How current is this list?

The list is refreshed periodically as the underlying company graph is re-verified. It was last verified on August 28, 2026.

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About this data

RevenueBase is a B2B contact data platform. Its company graph covers 21.3 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph, the same data that powers RevenueBase's B2B data products and the free research portal.