Company lists · Data verified August 2026

Top 25 List building services based in Finland

Name: List building services based in Finland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 168 companies tracked

There are 168 list building services headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 1,147 professional contacts across them, including 673 with verified work emails and 45 with mobile numbers. Helsinki is the largest hub.

This list covers list building services 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.

168Companies

1,147Contacts tracked

673Verified emails

45Mobile numbers

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The 25 largest list building services based in Finland

Ranked by team size

Top 25 of 168 list building services 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	Rakennusliike Lapti OY	Oulu	501-1,000	168	95
2	Rakennuttajatoimisto HTJ OY	Vantaa	201-500	152	112
	RevenueBasePublisher of this directory	Boston, MA	n/a	n/a	Try free
3	Suomen Talokeskus OY	Jyvaskyla	51-200	62	34
4	RAPP	Tampere	51-200	57	30
5	Takoi Yhtiöt	Helsinki	51-200	31	20
6	Rakennus Grahn OY	Helsinki	11-50	24	16
7	Temotek	Oulu	51-200	23	16
8	Astora-Rakennus OY	n/a	51-200	22	16
9	Tengbom Helsinki	n/a	11-50	20	18
10	AKI Hyrkkönen OY	Tampere	51-200	19	11
11	Pallas Rakennus OY	Tampere	11-50	18	12
12	Optiplan	Tampere	201-500	16	1
13	AMP Yhtiöt OY	Helsinki	11-50	13	10
14	Avarrus Architects	Helsinki	11-50	12	10
15	Pylon Rakennus OY	Helsinki	11-50	12	10
16	Contria OY AB	Seinajoki	11-50	12	9
17	Suunnittelutoimisto Rusttet OY	Vantaa Vantaa	11-50	12	8
18	Insinööriavain OY	Jyvaskyla	11-50	11	11
19	Insinööritoimisto Teknoplan OY	Helsinki	11-50	10	9
20	Pc-Saneeraus OY	Helsinki	11-50	10	3
21	Rakennuspalvelu Saneko OY	Kuopio	51-200	9	8
22	Kauto Nikulainen Arkkitehdit Oy, Part Of Granlund	Espoo	11-50	9	7
23	Insinööritoimisto Savolainen OY	Kajaani	11-50	9	6
24	Arkkitehtitoimisto Haroma & Partners OY	Turku	11-50	9	5
25	Bohouse	Larsmo	11-50	8	5

Showing 25 of 168 list building services based in Finland

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List building services based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 52 HQs

45Contacts with mobile numbers

4Emails re-verified in last 30 days

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

List building services by metro

Metro	Companies
List building services in Helsinki	52
List building services in Tampere	15
List building services in Vantaa	8
List building services in Turku	8
List building services in Espoo	8
List building services in Oulu	5
List building services in Lahti	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 “list building services”, 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; 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 list building services are there based in Finland?

There are 168 list building services headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

Rakennusliike Lapti OY, headquartered in Oulu, tops this list with the largest team on record.

Which city has the most list building services?

Helsinki leads with 52 headquartered companies, followed by Tampere (15) and Vantaa (8).

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 673 verified decision-maker contacts tracked across these 168 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.