Company lists · Data refreshed September 2026

Top 25 Master planning firms based in Finland

RevenueBase identified 41 master planning firms headquartered in Finland as of September 2026 and tracks 240 professional contacts across them, including 129 with verified work emails. Helsinki is the largest hub.

This list covers master planning firms headquartered in Finland, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 20, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 20, 2026 86% judged on-target in blind review
41Companies
240Contacts tracked
129Verified emails
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The 25 largest master planning firms based in Finland

Ranked by team size
Top 25 of 41 master planning firms based in Finland, ranked by team size, largest first. Data refreshed Sep 20, 2026. RevenueBase Smart Search rates how each company's information relates to master planning firms: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 202651-20048 contacts →

Indirect evidence

“ONE Architects is formed from the alignment of three successful studios AW2 Architects, B&M Architects and Konkret.”

Source: RevenueBase Database · checked Sep 20, 2026
2Indirect evidenceFinlandHQ checked Sep 20, 202611-5020 contacts →

Indirect evidence

“Tengbom Finland is an architectural company in Helsinki, Finland, with ca 30 employees.”

Source: RevenueBase Database · checked Sep 20, 2026
3Partial evidenceHelsinki, FinlandHQ checked Sep 20, 202611-5017 contacts →

Partial evidence

“We create comprehensive design by weaving together urban planning, building design and landscape architecture.”

Source: RevenueBase Database · checked Sep 20, 2026
4Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 2026201-50017 contacts →

Indirect evidence

“Hei me muutetaan: Optiplan saa uuden kodin 1.6.”

Source: RevenueBase Database · checked Sep 20, 2026
5Indirect evidenceTurku, FinlandHQ checked Sep 20, 202611-5014 contacts →

Indirect evidence

“LPR-arkkitehdit on vuonna 1973 perustettu täyden palvelun arkkitehtitoimisto, jolla on kokemusta vaativista suunnitteluprojekteista arkkitehtuurin eri osa-alueilta…”

Source: RevenueBase Database · checked Sep 20, 2026
6Partial evidenceHelsinki, FinlandHQ checked Sep 20, 20261-1013 contacts →

Partial evidence

“helsinkizurich is an internationally operating architecture and city planning consultancy.”

Source: RevenueBase Database · checked Sep 20, 2026
7Indirect evidenceRauma, FinlandHQ checked Sep 20, 202611-5012 contacts →

Indirect evidence

“Hyvin tehty on suunniteltu.”

Source: RevenueBase Database · checked Sep 20, 2026
8Indirect evidenceEspoo, FinlandHQ checked Sep 20, 20261-1010 contacts →

Indirect evidence

“Valitse kuunteleva ja innovatiivinen suunnittelutoimisto uudis- tai korjausrakennushankkeeseesi.”

Source: RevenueBase Database · checked Sep 20, 2026
9Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 20261-109 contacts →

Indirect evidence

“Luovaus Arkkitehdit tarjoaa kaikki arkkitehti- ja pääsuunnittelupalvelut uudis- ja korjausrakentamiseen.”

Source: RevenueBase Database · checked Sep 20, 2026
10Indirect evidenceTampere, FinlandHQ checked Sep 20, 202611-507 contacts →

Indirect evidence

“Tehokasta tontin- ja tilankäytön suunnittelua.”

Source: RevenueBase Database · checked Sep 20, 2026
11Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 202611-505 contacts →

Indirect evidence

“Olemme erikoistuneet asuntosuunnitteluun ja asuinalueiden suunnitteluun.”

Source: RevenueBase Database · checked Sep 20, 2026
12Indirect evidenceTampere, FinlandHQ checked Sep 20, 202611-504 contacts →

Indirect evidence

“Arkkitehtitoimisto Forssi Oy on erikoistunut vaativien restaurointi- ja korjausrakentamishankkeiden suunnitteluun.”

Source: RevenueBase Database · checked Sep 20, 2026
13Partial evidenceTampere, FinlandHQ checked Sep 20, 20261-104 contacts →

Partial evidence

“Architecture, Urban planning and Design”

Source: RevenueBase Database · checked Sep 20, 2026
14Indirect evidenceOulu, FinlandHQ checked Sep 20, 20261-104 contacts →

Indirect evidence

“ARCLE on uuden sukupolven arkkitehtitoimisto.”

Source: RevenueBase Database · checked Sep 20, 2026
15Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 20261-103 contacts →

Indirect evidence

“Arkkitehtitoimisto Hormia on Helsingin Munkkiniemessä sijaitseva, vuonna 1987 perustettu arkkitehtitoimisto.”

Source: RevenueBase Database · checked Sep 20, 2026
16Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 202611-503 contacts →

Indirect evidence

“Architects Anttila & Rusanen Oy/Ltd.”

Source: RevenueBase Database · checked Sep 20, 2026
17Indirect evidenceTampere, FinlandHQ checked Sep 20, 202611-502 contacts →

Indirect evidence

“Arkki­teh­ti­toi­misto Neva Oy on laaduk­kaasta ja moni­puo­li­sesta osaa­mi­ses­taan tunnettu suun­nit­te­lu­toi­misto Tampe­reen keskus­tassa.”

Source: RevenueBase Database · checked Sep 20, 2026
18Partial evidenceHelsinki, FinlandHQ checked Sep 20, 20261-102 contacts →

Partial evidence

“People-centered participatory planning.”

Source: RevenueBase Database · checked Sep 20, 2026
19Indirect evidenceHämeenlinna, FinlandHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Lexcell focuses on consulting in land use processes e.g.”

Source: RevenueBase Database · checked Sep 20, 2026
20Indirect evidenceHelsinki, FinlandHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
21Indirect evidencePirkkala, FinlandHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

“Talonrakentamisen valvonta- ja suunnittelupalveluihin erikoistunut suunnittelutoimisto.”

Source: RevenueBase Database · checked Sep 20, 2026
22Indirect evidenceYlivieska, FinlandHQ checked Sep 20, 20261-102 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026
23Indirect evidenceTampere, FinlandHQ checked Sep 20, 202611-501 contacts →

Indirect evidence

“Kaikkeen ei tarvita kolmea eri konsulttia, välillä riittää yksi, SARA.”

Source: RevenueBase Database · checked Sep 20, 2026
24Partial evidenceHelsinki, FinlandHQ checked Sep 20, 20261-101 contacts →

Partial evidence

“Pen & Hammer offers architectural, structural, HVAC- and interior planning services.”

Source: RevenueBase Database · checked Sep 20, 2026
25Indirect evidenceOulu, FinlandHQ checked Sep 20, 20261-101 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 20, 2026

Showing 25 of 41 master planning firms based in Finland

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Master planning firms based in Finland at a glance

As of Sep 20, 2026
53.8%Verified-email coverage
5.9Average contacts per company
1-10Median size (employees)
39.0%Largest-city concentration · Helsinki
Sep 20, 2026Page data refreshed

Companies by employee count

1-10
25
11-50
13
51-200
1
201-500
1

Email recency for this list is measured worldwide rather than for Finland, so it is reported there. Company counts and contact totals on this page are exact for Finland, over 41 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among master planning firms, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Finland whose own description of what they do matches “master planning firms”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names master planning firms), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among master planning firms, and records with no verified work email. Companies headquartered outside Finland are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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
Every listed company carries at least one verified work email, 129 across the full list. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
Refresh
This page's figures were pulled from the company graph on September 20, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names master planning firms, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many master planning firms are there based in Finland?

RevenueBase identified 41 master planning firms headquartered in Finland as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

ONE Architects Finland, headquartered in Helsinki, tops this list with the largest team on record.

Which city has the most master planning firms?

Helsinki leads with 16 headquartered companies, followed by Tampere (8) and Espoo (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 129 verified decision-maker contacts tracked across these 41 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 20, 2026.

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About this data

RevenueBase is a B2B data infrastructure company. Its company graph covers 60 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 with RevenueBase Smart Search, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.