Company lists · Data refreshed October 2026
Top 25 Green architecture firms based in Helsinki, Finland
RevenueBase identified 47 company matches for green architecture firms associated with Helsinki, Finland as of October 2026 and tracks 3,254 professional contacts across them, including 890 with verified work emails. Across Finland, Helsinki is the largest hub for this category.
This list covers company matches for green architecture firms associated with Helsinki, Finland, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 13, 2026.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, 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.
The 25 largest green architecture firms based in Helsinki, Finland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 2,079 contacts → | ||||
Exact match “We build and develop sustainable living environments: functional and attractive homes, future-proof public and commercial buildings, infrastructure to support the green transition…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 2 | 615 contacts → | ||||
Exact match “Olemme yksi maailman johtavista asiantuntijayrityksistä.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 3 | 92 contacts → | ||||
Exact match “IdeaStructura suunnittelee pitkäikäisiä, laadukkaita ja energiatehokkaita rakennuksia.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 4 | 82 contacts → | ||||
Exact match “RAPP Oy on yksi Suomen vanhimmista rakennuttajatoimistoista, jolla on rohkeutta toteuttaa rakennuttamisen ja työmaavalvonnan palvelut astetta paremmin.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 5 | 56 contacts → | ||||
Exact match “Sarc + Sigge is an architectural company with studios in Helsinki and Turku, Finland.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 6 | 46 contacts → | ||||
Exact match “ONE Architects is formed from the alignment of three successful studios AW2 Architects, B&M Architects and Konkret.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 7 | 43 contacts → | ||||
Exact match “ALA Architects Ltd is a Helsinki based architecture firm founded by Juho Grönholm, Antti Nousjoki, Janne Teräsvirta and Samuli Woolston in 2005.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 8 | 18 contacts → | ||||
Exact match “We create comprehensive design by weaving together urban planning, building design and landscape architecture.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 9 | 17 contacts → | ||||
Exact match “Hei me muutetaan: Optiplan saa uuden kodin 1.6.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 10 | 16 contacts → | ||||
Exact match “Studio Puisto is a Helsinki-based architecture and urban development company with focus on hospitality.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 11 | 15 contacts → | ||||
Exact match “Architects NRT Ltd is a Helsinki-based architectural firm with extensive experience in creating high-quality and sustainable architecture.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 12 | 15 contacts → | ||||
Exact match “We are a planning and design studio specialised in socially and ecologically sustainable solutions.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “SAATSI arkkitehdit luo uutta ja vaalii vanhaa kestävää ympäristöä.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 14 | 10 contacts → | ||||
Exact match “enemmän kuin arkkitehtisuunnittelua -” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Founded 1985 Founder Partners: Trevor Harris, professor, architect SAFA & Hennu Kjisik, professor, architect SAFA, Henna Iinsalo, architect SAFA, Hannu Louna, architect SAFA…” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 16 | 8 contacts → | ||||
Exact match “At our office, we pursue an interactive and analytic way of working, where projects are approached from multiple angles.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 17 | 8 contacts → | ||||
Exact match “Playa Architects is a Helsinki based architecture practice founded in 2007.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 18 | 8 contacts → | ||||
Exact match “Jaakkola Arkkitehdit aloitti toimintansa vuonna 1985 nimellä Arkkitehtitoimisto Hannu Jaakkola.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Arkkitehtuuri- ja muotoilutoimisto Talli keskittyy toiminnassaan vaativaan korjausrakentamiseen, asuntosuunnitteluun ja koulu- ja päiväkotisuunnitteluun.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “helsinkizurich is an internationally operating architecture and city planning consultancy.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 21 | 6 contacts → | ||||
Exact match “Artella on laadukkaita taloteknisiä suunnittelu, valvonta- ja projektinjohtopalveluita tuottava insinööritoimisto.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 22 | 5 contacts → | ||||
Exact match “Architects R+K is founded by Helsinki-based architects Hilla Rudanko and Anssi Kankkunen.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 23 | 3 contacts → | ||||
Exact match “Arkkitehtitoimisto Hormia on Helsingin Munkkiniemessä sijaitseva, vuonna 1987 perustettu arkkitehtitoimisto.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 24 | 2 contacts → | ||||
Exact match “Insinööritoimisto Linera Oy is a company based out of C/o Insinööritoimisto Linera Oy Kauppakaarre 1, Helsinki, Uusimaa, Finland.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
| 25 | 2 contacts → | ||||
Exact match “We are an organization and a platform that focuses on the ideas needed for sustainable life in built environments.” Recorded in the RevenueBase company graph · Oct 13, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “green architecture firms”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 47 green architecture firms based in Helsinki, Finland
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Green architecture firms based in Helsinki, Finland at a glance
As of Oct 13, 2026Companies by employee count
Email recency for this list is measured across the whole Finland list rather than for Helsinki, so it is reported there. Company counts and contact totals on this page are exact for Helsinki, over 47 companies.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- What qualifies
- Company records associated with Helsinki, Finland whose business descriptions match “green architecture firms” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Where headquarters information is recorded, preview rows are also filtered to this page’s location. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- 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 displayed company carries at least one verified work email. RevenueBase tracks 890 professional contacts with verified work emails across the full matched dataset. 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 October 13, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “green architecture firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many green architecture firms are there based in Helsinki, Finland?
RevenueBase identified 47 company matches for green architecture firms associated with Helsinki, Finland as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
YIT tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Finland has the most green architecture firms?
Helsinki leads Finland with 47 company records, followed by Tampere (8) and Espoo (4).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 890 professional contacts with verified work emails tracked across these 47 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 13, 2026.
Ready to reach these companies? Verified emails and direct dials for all 47 green architecture firms based in Helsinki, Finland. Start with a free account, no credit card.
Download this list →Related lists
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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 SmartSearch, 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.
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Green architecture firms based in Adelaide, Australia
- Green architecture firms based in Melbourne, Australia
- Green architecture firms based in Perth, Australia
- Green architecture firms based in Sydney, Australia
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Company intelligence · public preview
Top 25 green architecture firms based in Helsinki, Finland
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 47 matching company records for green architecture firms based in Helsinki, Finland, with 3,254 tracked contacts and 890 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 green architecture firms based in Helsinki, Finland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  YITyitgroup.comHQ: Helsinki, FinlandReported employees: 1,001-5,000 | Helsinki, Finland | 1,001-5,000 | Exact match | 2,079 contacts → |
“We build and develop sustainable living environments: functional and attractive homes, future-proof public and commercial buildings, infrastructure to support the green transition…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  WSP In Finlandwsp.comHQ: Helsinki, FinlandReported employees: 501-1,000 | Helsinki, Finland | 501-1,000 | Exact match | 615 contacts → |
“Olemme yksi maailman johtavista asiantuntijayrityksistä.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ideastructura OYideastructura.comHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 92 contacts → |
“IdeaStructura suunnittelee pitkäikäisiä, laadukkaita ja energiatehokkaita rakennuksia.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  RAPPrapp.fiHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 82 contacts → |
“RAPP Oy on yksi Suomen vanhimmista rakennuttajatoimistoista, jolla on rohkeutta toteuttaa rakennuttamisen ja työmaavalvonnan palvelut astetta paremmin.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Sarc Sigge Architectssarcsigge.fiHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 56 contacts → |
“Sarc + Sigge is an architectural company with studios in Helsinki and Turku, Finland.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ONE Architects Finlandonearchitects.fiHQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 46 contacts → |
“ONE Architects is formed from the alignment of three successful studios AW2 Architects, B&M Architects and Konkret.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  ALA Architects LTDala.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 43 contacts → |
“ALA Architects Ltd is a Helsinki based architecture firm founded by Juho Grönholm, Antti Nousjoki, Janne Teräsvirta and Samuli Woolston in 2005.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  INAROinaro.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 18 contacts → |
“We create comprehensive design by weaving together urban planning, building design and landscape architecture.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Optiplanoptiplan.fiHQ: Helsinki, FinlandReported employees: 201-500 | Helsinki, Finland | 201-500 | Exact match | 17 contacts → |
“Hei me muutetaan: Optiplan saa uuden kodin 1.6.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Studio Puisto Architectsstudiopuisto.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 16 contacts → |
“Studio Puisto is a Helsinki-based architecture and urban development company with focus on hospitality.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Arkkitehdit NRTarkkitehditnrt.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 15 contacts → |
“Architects NRT Ltd is a Helsinki-based architectural firm with extensive experience in creating high-quality and sustainable architecture.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Nomaji Landscape Architects LTDnomaji.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 15 contacts → |
“We are a planning and design studio specialised in socially and ecologically sustainable solutions.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Saatsi Arkkitehditsaatsi.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 11 contacts → |
“SAATSI arkkitehdit luo uutta ja vaalii vanhaa kestävää ympäristöä.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ark-House Arkkitehdit OYark-house.comHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 10 contacts → |
“enemmän kuin arkkitehtisuunnittelua -” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Harris-Kjisik Architectsh-k.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 10 contacts → |
“Founded 1985 Founder Partners: Trevor Harris, professor, architect SAFA & Hennu Kjisik, professor, architect SAFA, Henna Iinsalo, architect SAFA, Hannu Louna, architect SAFA…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  A-Konsultit Architectsa-konsultit.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“At our office, we pursue an interactive and analytic way of working, where projects are approached from multiple angles.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Playa Architectsplaya.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“Playa Architects is a Helsinki based architecture practice founded in 2007.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Jaakkola Arkkitehditark-jaakkola.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“Jaakkola Arkkitehdit aloitti toimintansa vuonna 1985 nimellä Arkkitehtitoimisto Hannu Jaakkola.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“Arkkitehtuuri- ja muotoilutoimisto Talli keskittyy toiminnassaan vaativaan korjausrakentamiseen, asuntosuunnitteluun ja koulu- ja päiväkotisuunnitteluun.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Helsinki Zurich Officehelsinkizurich.comHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 8 contacts → |
“helsinkizurich is an internationally operating architecture and city planning consultancy.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Insinööritoimisto Artella OYartella.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 6 contacts → |
“Artella on laadukkaita taloteknisiä suunnittelu, valvonta- ja projektinjohtopalveluita tuottava insinööritoimisto.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Architects Rudanko Kankkunen LTDrudanko-kankkunen.comHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 5 contacts → |
“Architects R+K is founded by Helsinki-based architects Hilla Rudanko and Anssi Kankkunen.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  ARK Hormiaarkhormia.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
“Arkkitehtitoimisto Hormia on Helsingin Munkkiniemessä sijaitseva, vuonna 1987 perustettu arkkitehtitoimisto.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Insinööritoimisto Linera OYlinera.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“Insinööritoimisto Linera Oy is a company based out of C/o Insinööritoimisto Linera Oy Kauppakaarre 1, Helsinki, Uusimaa, Finland.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Planetary Architectureplanetary.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“We are an organization and a platform that focuses on the ideas needed for sustainable life in built environments.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 47 company matches
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Green architecture firms: dataset insights
October 13, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
47 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Finland list rather than for Helsinki, so it is reported there. Company counts and contact totals on this page are exact for Helsinki, over 47 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for green architecture firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many green architecture firms did RevenueBase find based in Helsinki, Finland?
The saved snapshot records 47 matching company records, 3,254 tracked contacts and 890 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Green architecture firms by geography
- Green architecture firms based in Adelaide, Australia
- Green architecture firms based in Melbourne, Australia
- Green architecture firms based in Perth, Australia
- Green architecture firms based in Sydney, Australia
- Green architecture firms based in Vienna, Austria
- Green architecture firms based in Antwerp, Belgium
- Green architecture firms based in Brussels, Belgium
- Green architecture firms based in Ghent, Belgium
- Green architecture firms based in Belo Horizonte, Brazil
- Green architecture firms based in Campinas, Brazil
- Green architecture firms based in Curitiba, Brazil
- Green architecture firms based in Porto Alegre, Brazil
Cite this list
RevenueBase Data Team. Top 25 green architecture firms based in Helsinki, Finland. Snapshot: October 13, 2026. https://revenuebase.ai/companies/green-architecture-firms/finland/helsinki.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Green architecture firms based in Adelaide, Australia
- Green architecture firms based in Melbourne, Australia
- Green architecture firms based in Perth, Australia
- Green architecture firms based in Sydney, Australia
- Green architecture firms based in Vienna, Austria
- Green architecture firms based in Antwerp, Belgium
Company intelligence · public preview
Top 25 green architecture firms based in Helsinki, Finland
RevenueBase records 47 matching company records for green architecture firms based in Helsinki, Finland, with 3,254 tracked contacts and 890 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 13, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 green architecture firms based in Helsinki, Finland
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | YITyitgroup.com HQ: Helsinki, FinlandReported employees: 1,001-5,000 | Helsinki, Finland | 1,001-5,000 | Exact match | 2,079 contacts → |
“We build and develop sustainable living environments: functional and attractive homes, future-proof public and commercial buildings, infrastructure to support the green transition…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | WSP In Finlandwsp.com HQ: Helsinki, FinlandReported employees: 501-1,000 | Helsinki, Finland | 501-1,000 | Exact match | 615 contacts → |
“Olemme yksi maailman johtavista asiantuntijayrityksistä.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ideastructura OYideastructura.com HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 92 contacts → |
“IdeaStructura suunnittelee pitkäikäisiä, laadukkaita ja energiatehokkaita rakennuksia.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | RAPPrapp.fi HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 82 contacts → |
“RAPP Oy on yksi Suomen vanhimmista rakennuttajatoimistoista, jolla on rohkeutta toteuttaa rakennuttamisen ja työmaavalvonnan palvelut astetta paremmin.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Sarc Sigge Architectssarcsigge.fi HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 56 contacts → |
“Sarc + Sigge is an architectural company with studios in Helsinki and Turku, Finland.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ONE Architects Finlandonearchitects.fi HQ: Helsinki, FinlandReported employees: 51-200 | Helsinki, Finland | 51-200 | Exact match | 46 contacts → |
“ONE Architects is formed from the alignment of three successful studios AW2 Architects, B&M Architects and Konkret.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | ALA Architects LTDala.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 43 contacts → |
“ALA Architects Ltd is a Helsinki based architecture firm founded by Juho Grönholm, Antti Nousjoki, Janne Teräsvirta and Samuli Woolston in 2005.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | INAROinaro.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 18 contacts → |
“We create comprehensive design by weaving together urban planning, building design and landscape architecture.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Optiplanoptiplan.fi HQ: Helsinki, FinlandReported employees: 201-500 | Helsinki, Finland | 201-500 | Exact match | 17 contacts → |
“Hei me muutetaan: Optiplan saa uuden kodin 1.6.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Studio Puisto Architectsstudiopuisto.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 16 contacts → |
“Studio Puisto is a Helsinki-based architecture and urban development company with focus on hospitality.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Arkkitehdit NRTarkkitehditnrt.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 15 contacts → |
“Architects NRT Ltd is a Helsinki-based architectural firm with extensive experience in creating high-quality and sustainable architecture.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Nomaji Landscape Architects LTDnomaji.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 15 contacts → |
“We are a planning and design studio specialised in socially and ecologically sustainable solutions.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Saatsi Arkkitehditsaatsi.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 11 contacts → |
“SAATSI arkkitehdit luo uutta ja vaalii vanhaa kestävää ympäristöä.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ark-House Arkkitehdit OYark-house.com HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 10 contacts → |
“enemmän kuin arkkitehtisuunnittelua -” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Harris-Kjisik Architectsh-k.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 10 contacts → |
“Founded 1985 Founder Partners: Trevor Harris, professor, architect SAFA & Hennu Kjisik, professor, architect SAFA, Henna Iinsalo, architect SAFA, Hannu Louna, architect SAFA…” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | A-Konsultit Architectsa-konsultit.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“At our office, we pursue an interactive and analytic way of working, where projects are approached from multiple angles.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Playa Architectsplaya.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“Playa Architects is a Helsinki based architecture practice founded in 2007.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Jaakkola Arkkitehditark-jaakkola.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“Jaakkola Arkkitehdit aloitti toimintansa vuonna 1985 nimellä Arkkitehtitoimisto Hannu Jaakkola.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 8 contacts → |
“Arkkitehtuuri- ja muotoilutoimisto Talli keskittyy toiminnassaan vaativaan korjausrakentamiseen, asuntosuunnitteluun ja koulu- ja päiväkotisuunnitteluun.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Helsinki Zurich Officehelsinkizurich.com HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 8 contacts → |
“helsinkizurich is an internationally operating architecture and city planning consultancy.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Insinööritoimisto Artella OYartella.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 6 contacts → |
“Artella on laadukkaita taloteknisiä suunnittelu, valvonta- ja projektinjohtopalveluita tuottava insinööritoimisto.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Architects Rudanko Kankkunen LTDrudanko-kankkunen.com HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 5 contacts → |
“Architects R+K is founded by Helsinki-based architects Hilla Rudanko and Anssi Kankkunen.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | ARK Hormiaarkhormia.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
“Arkkitehtitoimisto Hormia on Helsingin Munkkiniemessä sijaitseva, vuonna 1987 perustettu arkkitehtitoimisto.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Insinööritoimisto Linera OYlinera.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“Insinööritoimisto Linera Oy is a company based out of C/o Insinööritoimisto Linera Oy Kauppakaarre 1, Helsinki, Uusimaa, Finland.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Planetary Architectureplanetary.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“We are an organization and a platform that focuses on the ideas needed for sustainable life in built environments.” Recorded description excerpt · October 13, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 47 company matches
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Green architecture firms: dataset insights
October 13, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
47 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole Finland list rather than for Helsinki, so it is reported there. Company counts and contact totals on this page are exact for Helsinki, over 47 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 13, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Questions about this company list
What does Exact match mean for green architecture firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many green architecture firms did RevenueBase find based in Helsinki, Finland?
The saved snapshot records 47 matching company records, 3,254 tracked contacts and 890 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 13, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 green architecture firms based in Helsinki, Finland. Snapshot: October 13, 2026. https://revenuebase.ai/companies/green-architecture-firms/finland/helsinki.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
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