Company lists · Data verified August 2026

Top 25 Engineering consulting firms based in Finland

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

Compiled by the RevenueBase Data Team Verified Aug 28, 2026 286 companies tracked

There are 286 engineering consulting firms headquartered in Finland (RevenueBase, August 2026). RevenueBase tracks 8,114 professional contacts across them, including 3,546 with verified work emails and 243 with mobile numbers. Helsinki is the largest hub.

This list covers engineering consulting firms 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.

286Companies

8,114Contacts tracked

3,546Verified emails

243Mobile numbers

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The 25 largest engineering consulting firms based in Finland

Ranked by team size

Top 25 of 286 engineering consulting firms 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	Rejlers	Vantaa Vantaa	1,001-5,000	2,442	718
2	Granlund	Helsinki	1,001-5,000	1,023	23
3	WSP In Finland	Helsinki	501-1,000	583	440
4	Elomatic	Turku	1,001-5,000	566	396
5	Comatec Group	Lahti	501-1,000	367	220
6	Welado	Oulu Oulu	201-500	197	154
7	Dovre Group	Espoo	501-1,000	166	42
8	Rakennuttajatoimisto HTJ OY	Vantaa	201-500	152	112
9	Despro Engineering OY	Pirkkala	51-200	118	75
10	Mitta OY	Oulu	501-1,000	110	65
11	Prevas OY	Kotka	51-200	105	69
12	Pöyry CM OY	Vantaa	5,001-10,000	95	1
13	Nipromec Group	Rauma	51-200	88	64
14	Allstars Group	Turku	51-200	79	39
15	Finnmap Infra OY	Helsinki	51-200	72	52
16	Envineer OY	Pori	51-200	69	54
17	Suomen Talokeskus OY	Jyvaskyla	51-200	62	34
18	RAPP	Tampere	51-200	57	30
19	Insplan OY	Porvoo	51-200	49	38
20	Äyräväinen	Vantaa	51-200	43	36
21	Rimic OY	Turku	51-200	39	27
22	Finnish Overseas Consultants Finnoc	Helsinki	51-200	39	11
23	Insinööritoimisto LEO Maaskola	Helsinki	51-200	36	20
24	Takoi Yhtiöt	Helsinki	51-200	31	20
25	Insinööritoimisto Polartek OY	Oulu	51-200	27	21

Showing 25 of 286 engineering consulting firms based in Finland

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Engineering consulting firms based in Finland at a glance

As of Aug 28, 2026

1-10Median size (employees)

HelsinkiLargest hub · 53 HQs

243Contacts with mobile numbers

0Emails re-verified in last 30 days

Companies by employee count

1-10

154

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

Engineering consulting firms by metro

Metro	Companies
Engineering consulting firms in Helsinki	53
Engineering consulting firms in Espoo	22
Engineering consulting firms in Turku	18
Engineering consulting firms in Oulu	17
Engineering consulting firms in Tampere	16
Engineering consulting firms in Vantaa	13
Engineering consulting firms in Kuopio	8

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 “engineering consulting firms”, 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 engineering consulting firms are there based in Finland?

There are 286 engineering consulting firms headquartered in Finland as of August 2026 (RevenueBase).

What is the largest company on this list?

Rejlers, headquartered in Vantaa Vantaa, tops this list with the largest team on record.

Which city has the most engineering consulting firms?

Helsinki leads with 53 headquartered companies, followed by Espoo (22) and Turku (18).

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 3,546 verified decision-maker contacts tracked across these 286 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.