Company lists · Data verified August 2026

Top 19 Advertising agency staffing based in Finland

Name: Advertising agency staffing based in Finland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 40 companies tracked

There are 40 advertising agency staffing headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 385 professional contacts across them, including 176 with verified work emails and 14 with mobile numbers. Helsinki is the largest hub.

This list covers advertising agency staffing headquartered in Finland, 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.

40Companies

385Contacts tracked

176Verified emails

14Mobile numbers

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The 19 largest advertising agency staffing based in Finland

Ranked by team size

Top 19 of 40 advertising agency staffing based in Finland, 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	NITRO	Helsinki	51-200	107	36
2	Tbwa Helsinki	Helsinki	51-200	106	74
3	KUUBI	Helsinki	11-50	19	14
4	SMOY	Helsinki	11-50	15	6
5	Diamonds Helsinki	Helsinki	1-10	14	10
6	Ajaton Idea OY	n/a	1-10	11	7
7	Duunia Henkilöstöpalvelut	Helsinki	51-200	11	1
8	Advertising Agency Satumaa LTD	Turku	51-200	7	2
9	Maiseri OY	Kurikka	11-50	6	5
10	Lenken OY	Helsinki	1-10	4	4
11	Mainostoimisto Aate OY	Tampere	1-10	4	4
12	Jeesi Henkilöstöpalvelut OY	Kuopio	1-10	4	2
13	Haminan Mainos JA Media OY	Hamina	1-10	4	2
14	Businesslike OY Henkilöstöpalvelu	Helsinki	11-50	3	2
15	MJÖLK	n/a	1-10	3	1
16	Advertising Kioski	Rovaniemi	1-10	2	2
17	Mainostoimisto Sektori	Lahti	1-10	2	2
18	TED & Ralph's	Helsinki	1-10	1	1
19	Wörksite	Helsinki	1-10	1	1

Showing 19 of 40 advertising agency staffing based in Finland

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Advertising agency staffing based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 15 HQs

14Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

Advertising agency staffing by metro

Metro	Companies
Advertising agency staffing in Helsinki	15
Advertising agency staffing in Tampere	5
Advertising agency staffing in Turku	3
Advertising agency staffing in Kuopio	3
Advertising agency staffing in Rovaniemi	1
Advertising agency staffing in Lievestuore	1
Advertising agency staffing in Oulu	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 “advertising agency staffing”, with match quality audited by blind human judging, and headquartered in Finland.
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 advertising agency staffing are there based in Finland?

There are 40 advertising agency staffing headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

NITRO, headquartered in Helsinki, tops this list with the largest team on record.

Which city has the most advertising agency staffing?

Helsinki leads with 15 headquartered companies, followed by Tampere (5) and Turku (3).

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 176 verified decision-maker contacts tracked across these 40 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.