Company lists · Data verified August 2026

Top 25 Advertising consulting firms based in Norway

Name: Advertising consulting firms based in Norway
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 219 companies tracked

There are 219 advertising consulting firms headquartered in Norway (RevenueBase, August 2026). RevenueBase tracks 1,518 professional contacts across them, including 456 with verified work emails and 76 with mobile numbers. Oslo is the largest hub.

This list covers advertising consulting firms 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.

219Companies

1,518Contacts tracked

456Verified emails

76Mobile numbers

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The 25 largest advertising consulting firms based in Norway

Ranked by team size

Top 25 of 219 advertising consulting firms 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	WAL	Oslo	51-200	124	58
2	BLOOM	Oslo	51-200	78	21
3	The Oslo Company	Oslo	11-50	54	17
4	Anorak NOA	Oslo	11-50	38	25
5	Spoon Norge PPP	Oslo	11-50	26	16
6	TADA	Haugesund	11-50	24	11
7	HK Reklamebyrå	Trondheim	11-50	24	10
8	Rosser	Raelingen	11-50	19	12
9	Alfgundersen	Mohlenpris	11-50	18	11
10	Semway	Oslo	11-50	18	8
11	MMM Agency	Oslo	11-50	17	12
12	RE Media AS	Oslo	11-50	17	9
13	Relevant	Fredrikstad Viken	11-50	16	9
14	Megabite	Egersund	11-50	16	7
15	HS Media	Kirkenaer	11-50	16	7
16	Zpirit Reklamebyrå	Stord	11-50	11	9
17	Zebra Media	Sarpsborg	1-10	10	8
18	Posisjon AS	Trondheim	11-50	10	6
19	HK Marked AS	Trondheim	51-200	10	1
20	Dialecta Kommunikasjon AS	Lillehammer Oppland	11-50	9	4
21	SDG Tbwa	Oslo	11-50	9	3
22	Brisk Reklame	Alesund	11-50	9	1
23	Vinnvinn Reklame AS	Trondheim	11-50	8	6
24	Ahead Group Norway	Oslo	51-200	8	3
25	Falk Media	Kristiansand S	1-10	7	5

Showing 25 of 219 advertising consulting firms based in Norway

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Advertising consulting firms based in Norway at a glance

As of Aug 28, 2026

1-10Median size (employees)

OsloLargest hub · 79 HQs

76Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

161

11-50

51-200

201-500

5,001-10,000

Advertising consulting firms by metro

Metro	Companies
Advertising consulting firms in Oslo	79
Advertising consulting firms in Trondheim	10
Advertising consulting firms in Kristiansand	6
Advertising consulting firms in Stavanger	6
Advertising consulting firms in Tonsberg	6
Advertising consulting firms in Bergen	5
Advertising consulting firms in Fredrikstad Viken	3

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 “advertising consulting firms”, 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; 4 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 advertising consulting firms are there based in Norway?

There are 219 advertising consulting firms headquartered in Norway as of August 2026 (RevenueBase).

What is the largest company on this list?

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

Which city has the most advertising consulting firms?

Oslo leads with 79 headquartered companies, followed by Trondheim (10) and Kristiansand (6).

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 456 verified decision-maker contacts tracked across these 219 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.