Company lists · Data verified August 2026

Top 25 Contextual advertising agencies based in Norway

Name: Contextual advertising agencies based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 251 companies tracked

There are 251 contextual advertising agencies headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 1,096 professional contacts across them, including 384 with verified work emails and 43 with mobile numbers. Oslo is the largest hub.

This list covers contextual advertising agencies headquartered in 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.

251Companies

1,096Contacts tracked

384Verified emails

43Mobile numbers

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The 25 largest contextual advertising agencies based in Norway

Ranked by team size

Top 25 of 251 contextual advertising agencies based in 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	BLOOM	Oslo	51-200	78	21
2	Frontkom	Gamle Fredrikstad Viken	51-200	77	51
3	Bluebird Media NOA	Oslo	51-200	36	22
4	Idium 1881 AS	Oslo	11-50	26	1
5	Fullstakk	Oslo	11-50	24	6
6	HK Link	Trondheim	11-50	22	17
7	Alfgundersen	Mohlenpris	11-50	18	11
8	Semway	Oslo	11-50	18	8
9	Amidays	Oslo	11-50	17	11
10	Adseo AS	Fornebu	11-50	17	8
11	Journey Agency	Oslo	11-50	16	9
12	Megabite	Egersund	11-50	16	7
13	HS Media	Kirkenaer	11-50	16	7
14	Nettrafikk AS	Oslo	11-50	14	12
15	Horn Media Group	Oslo	11-50	14	9
16	M51 Marketing	Oslo	11-50	14	8
17	Cognito	Oslo	11-50	14	6
18	Optimal Norge AS	Oslo	11-50	13	7
19	Rocket	Oslo	11-50	12	10
20	tur.digital	Gjovik	11-50	12	7
21	HK Marked AS	Trondheim	51-200	10	1
22	Stories Media	Oslo	1-10	9	5
23	SDG Tbwa	Oslo	11-50	9	3
24	Tenk Digitalt AS	Oslo	11-50	9	2
25	Vinnvinn Reklame AS	Trondheim	11-50	8	6

Showing 25 of 251 contextual advertising agencies based in Norway

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 384 reachable decision-makers.

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Contextual advertising agencies based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 87 HQs

43Contacts with mobile numbers

1Emails re-verified in last 30 days

Companies by employee count

1-10

198

11-50

51-200

5,001-10,000

Contextual advertising agencies by metro

Metro	Companies
Contextual advertising agencies in Oslo	87
Contextual advertising agencies in Bergen	11
Contextual advertising agencies in Trondheim	11
Contextual advertising agencies in Stavanger	7
Contextual advertising agencies in Larvik	5
Contextual advertising agencies in Asker	5
Contextual advertising agencies in Fredrikstad	4

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 “contextual advertising agencies”, with match quality audited by blind human judging, and headquartered in 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; 1 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 contextual advertising agencies are there based in Norway?

There are 251 contextual advertising agencies headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most contextual advertising agencies?

Oslo leads with 87 headquartered companies, followed by Bergen (11) and Trondheim (11).

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 384 verified decision-maker contacts tracked across these 251 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.