Company lists · Data refreshed September 2026
Top 22 Architectural conservation firms based in Helsinki, Finland
RevenueBase identified 29 company matches for architectural conservation firms associated with Helsinki, Finland as of September 2026 and tracks 156 professional contacts across them, including 101 with verified work emails. Across Finland, Helsinki is the largest hub for this category.
This list covers company matches for architectural conservation 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 September 30, 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 22 largest architectural conservation firms based in Helsinki, Finland
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 15 contacts → | ||||
Exact match “For over 25 years, Ark-byroo has followed its vision of becoming the leading Finnish expert in the fields of construction and development of listed buildings.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 2 | 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 3 | 12 contacts → | ||||
Exact match “Avarrus is a Helsinki-based architectural office.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 4 | 12 contacts → | ||||
Exact match “SAATSI arkkitehdit luo uutta ja vaalii vanhaa kestävää ympäristöä.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 5 | 10 contacts → | ||||
Exact match “PC-Saneeraus Oy on vuonna 1998 perustettu korjausrakentamisen sekä liike- ja toimitilamuutosten asiantuntija.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 6 | 9 contacts → | ||||
Exact match “Luovaus Arkkitehdit tarjoaa kaikki arkkitehti- ja pääsuunnittelupalvelut uudis- ja korjausrakentamiseen.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 7 | 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 · Sep 30, 2026 · View company records in RevenueBase | |||||
| 8 | 7 contacts → | ||||
Exact match “Space for People Smoother everyday life, with spaces that are the right size and tailored to your needs.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 9 | 7 contacts → | ||||
Exact match “Arkkitehtuuri- ja muotoilutoimisto Talli keskittyy toiminnassaan vaativaan korjausrakentamiseen, asuntosuunnitteluun ja koulu- ja päiväkotisuunnitteluun.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 10 | 7 contacts → | ||||
Exact match “Jaakkola Arkkitehdit aloitti toimintansa vuonna 1985 nimellä Arkkitehtitoimisto Hannu Jaakkola.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 11 | 7 contacts → | ||||
Exact match “Architects´office concentrating on Design and Developement of Bussines Centers, Housing and Public buildings, special knowledge on historically protected buildings” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 12 | 5 contacts → | ||||
Exact match “LPV arkkitehdit on täyden palvelun arkkitehtisuunnittelua tarjoava yritys.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 13 | 5 contacts → | ||||
Exact match “Tarjoamme kattavat arkkitehtipalvelut niin kaavamuutoksiin kuin liike, toimisto, teollisuus- ja asuinrakennussuunnitteluun aina uudisrakentamisesta peruskorjauksiin.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 14 | 3 contacts → | ||||
Exact match “Arkkitehtitoimisto Hormia on Helsingin Munkkiniemessä sijaitseva, vuonna 1987 perustettu arkkitehtitoimisto.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 15 | 3 contacts → | ||||
Exact match “Arkkitehdit Mustonen Oy on vuodesta 2002 toiminut arkkitehtitoimisto Helsingissä.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 16 | 3 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 17 | 2 contacts → | ||||
Exact match “Our aim is to utilise the potential of architecture as well as the resources available to the maximum and create spaces of subtle wonder.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 18 | 2 contacts → | ||||
Exact match “Company: Founded in 2002 (1981-2002 50% of Penttinen & Tiensuu Architects Ltd) Professional liability insurance ATL Member of the Association of Finnish Architects’ Offices (ATL)…” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 19 | 1 contacts → | ||||
Exact match “In Tuuma/25 we do it for you.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 20 | 1 contacts → | ||||
Exact match “OSUMA provides innovative architectural design services with a customer oriented approach.” Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 21 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 2026 · View company records in RevenueBase | |||||
| 22 | 1 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Sep 30, 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 “architectural conservation 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 22 of 29 architectural conservation firms based in Helsinki, Finland
See the full list, filter by size, metro and specialty, and access 101 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Architectural conservation firms based in Helsinki, Finland at a glance
As of Sep 30, 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 29 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 “architectural conservation 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 101 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 September 30, 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 “architectural conservation firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many architectural conservation firms are there based in Helsinki, Finland?
RevenueBase identified 29 company matches for architectural conservation firms associated with Helsinki, Finland as of September 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?
ARK Byroo tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city in Finland has the most architectural conservation firms?
Helsinki leads Finland with 29 company records, followed by Turku (5) and Tampere (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 101 professional contacts with verified work emails tracked across these 29 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 September 30, 2026.
Ready to reach these companies? Verified emails and direct dials for all 29 architectural conservation firms based in Helsinki, Finland. Start with a free account, no credit card.
Download this list →Related lists
Architectural conservation firms by geography
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- Architectural conservation firms based in Rio De Janeiro, Brazil
- Architectural conservation firms based in Sao Paulo, Brazil
- Architectural conservation firms based in Montreal, Canada
- Architectural conservation firms based in Ottawa, Canada
- Architectural conservation firms based in Toronto, Canada
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
- Architectural conservation firms based in Melbourne, Australia
- Architectural conservation firms based in Sydney, Australia
- Architectural conservation firms based in Vienna, Austria
- Architectural conservation firms based in Antwerp, Belgium
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Company intelligence · public preview
Top 22 architectural conservation 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 29 matching company records for architectural conservation firms based in Helsinki, Finland, with 156 tracked contacts and 101 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 22 architectural conservation 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 |  ARK Byrooarkbyroo.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 15 contacts → |
“For over 25 years, Ark-byroo has followed its vision of becoming the leading Finnish expert in the fields of construction and development of listed buildings.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Avarrus Architectsavarrus.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 12 contacts → |
“Avarrus is a Helsinki-based architectural office.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Saatsi Arkkitehditsaatsi.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 12 contacts → |
“SAATSI arkkitehdit luo uutta ja vaalii vanhaa kestävää ympäristöä.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pc-Saneeraus OYpc-saneeraus.com HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 10 contacts → |
“PC-Saneeraus Oy on vuonna 1998 perustettu korjausrakentamisen sekä liike- ja toimitilamuutosten asiantuntija.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Luovaus Arkkitehdit OYluovaus.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 9 contacts → |
“Luovaus Arkkitehdit tarjoaa kaikki arkkitehti- ja pääsuunnittelupalvelut uudis- ja korjausrakentamiseen.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Laitila Architectslaitila.comHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Space for People Smoother everyday life, with spaces that are the right size and tailored to your needs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Arkkitehtuuri- ja muotoilutoimisto Talli keskittyy toiminnassaan vaativaan korjausrakentamiseen, asuntosuunnitteluun ja koulu- ja päiväkotisuunnitteluun.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Jaakkola Arkkitehditark-jaakkola.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Jaakkola Arkkitehdit aloitti toimintansa vuonna 1985 nimellä Arkkitehtitoimisto Hannu Jaakkola.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Arrak Architectsarrak.comHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Architects´office concentrating on Design and Developement of Bussines Centers, Housing and Public buildings, special knowledge on historically protected buildings” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  LPV Arkkitehditlpv.fiHQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 5 contacts → |
“LPV arkkitehdit on täyden palvelun arkkitehtisuunnittelua tarjoava yritys.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Arkkitehdit Mk2 OYmk2.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 5 contacts → |
“Tarjoamme kattavat arkkitehtipalvelut niin kaavamuutoksiin kuin liike, toimisto, teollisuus- ja asuinrakennussuunnitteluun aina uudisrakentamisesta peruskorjauksiin.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Arkkitehdit Mustonen OYarkkitehditmustonen.fiHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
“Arkkitehdit Mustonen Oy on vuodesta 2002 toiminut arkkitehtitoimisto Helsingissä.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Arkkitehtitoimisto Eero Korhonen OYarkkitehtikorhonen.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Nervin Architecturenervin.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“Our aim is to utilise the potential of architecture as well as the resources available to the maximum and create spaces of subtle wonder.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“Company: Founded in 2002 (1981-2002 50% of Penttinen & Tiensuu Architects Ltd) Professional liability insurance ATL Member of the Association of Finnish Architects’ Offices (ATL)…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Arkkitehdit Tuuma25tuuma25.com HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
“In Tuuma/25 we do it for you.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  OY Osuma Architects LTDosuma.coHQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
“OSUMA provides innovative architectural design services with a customer oriented approach.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Arkkitehtuuritoimisto Valvomo OYvalvomo.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Kati Salonen JA Mona Schalin Arkkitehdit OYstadionark.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 22 of 29 company matches
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Architectural conservation firms: dataset insights
September 30, 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
29 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 29 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: September 30, 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 architectural conservation 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 architectural conservation firms did RevenueBase find based in Helsinki, Finland?
The saved snapshot records 29 matching company records, 156 tracked contacts and 101 verified emails. The public preview displays 22 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: September 30, 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
Architectural conservation firms by geography
- Architectural conservation firms based in Melbourne, Australia
- Architectural conservation firms based in Sydney, Australia
- Architectural conservation firms based in Vienna, Austria
- Architectural conservation firms based in Antwerp, Belgium
- Architectural conservation firms based in Belo Horizonte, Brazil
- Architectural conservation firms based in Curitiba, Brazil
- Architectural conservation firms based in Porto Alegre, Brazil
- Architectural conservation firms based in Rio De Janeiro, Brazil
- Architectural conservation firms based in Sao Paulo, Brazil
- Architectural conservation firms based in Montreal, Canada
- Architectural conservation firms based in Ottawa, Canada
- Architectural conservation firms based in Toronto, Canada
Cite this list
RevenueBase Data Team. Top 22 architectural conservation firms based in Helsinki, Finland. Snapshot: September 30, 2026. https://revenuebase.ai/companies/architectural-conservation-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
- Architectural conservation firms based in Melbourne, Australia
- Architectural conservation firms based in Sydney, Australia
- Architectural conservation firms based in Vienna, Austria
- Architectural conservation firms based in Antwerp, Belgium
- Architectural conservation firms based in Belo Horizonte, Brazil
- Architectural conservation firms based in Curitiba, Brazil
Company intelligence · public preview
Top 22 architectural conservation firms based in Helsinki, Finland
RevenueBase records 29 matching company records for architectural conservation firms based in Helsinki, Finland, with 156 tracked contacts and 101 verified work emails.
This public preview shows 22 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 30, 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 22 architectural conservation 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 | ARK Byrooarkbyroo.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 15 contacts → |
“For over 25 years, Ark-byroo has followed its vision of becoming the leading Finnish expert in the fields of construction and development of listed buildings.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Avarrus Architectsavarrus.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 12 contacts → |
“Avarrus is a Helsinki-based architectural office.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Saatsi Arkkitehditsaatsi.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 12 contacts → |
“SAATSI arkkitehdit luo uutta ja vaalii vanhaa kestävää ympäristöä.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Pc-Saneeraus OYpc-saneeraus.com HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 10 contacts → |
“PC-Saneeraus Oy on vuonna 1998 perustettu korjausrakentamisen sekä liike- ja toimitilamuutosten asiantuntija.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Luovaus Arkkitehdit OYluovaus.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 9 contacts → |
“Luovaus Arkkitehdit tarjoaa kaikki arkkitehti- ja pääsuunnittelupalvelut uudis- ja korjausrakentamiseen.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Laitila Architectslaitila.com HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Space for People Smoother everyday life, with spaces that are the right size and tailored to your needs.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Arkkitehtuuri- ja muotoilutoimisto Talli keskittyy toiminnassaan vaativaan korjausrakentamiseen, asuntosuunnitteluun ja koulu- ja päiväkotisuunnitteluun.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Jaakkola Arkkitehditark-jaakkola.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Jaakkola Arkkitehdit aloitti toimintansa vuonna 1985 nimellä Arkkitehtitoimisto Hannu Jaakkola.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Arrak Architectsarrak.com HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 7 contacts → |
“Architects´office concentrating on Design and Developement of Bussines Centers, Housing and Public buildings, special knowledge on historically protected buildings” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | LPV Arkkitehditlpv.fi HQ: Helsinki, FinlandReported employees: 11-50 | Helsinki, Finland | 11-50 | Exact match | 5 contacts → |
“LPV arkkitehdit on täyden palvelun arkkitehtisuunnittelua tarjoava yritys.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Arkkitehdit Mk2 OYmk2.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 5 contacts → |
“Tarjoamme kattavat arkkitehtipalvelut niin kaavamuutoksiin kuin liike, toimisto, teollisuus- ja asuinrakennussuunnitteluun aina uudisrakentamisesta peruskorjauksiin.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | 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 · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Arkkitehdit Mustonen OYarkkitehditmustonen.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
“Arkkitehdit Mustonen Oy on vuodesta 2002 toiminut arkkitehtitoimisto Helsingissä.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Arkkitehtitoimisto Eero Korhonen OYarkkitehtikorhonen.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 3 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 17 | Nervin Architecturenervin.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“Our aim is to utilise the potential of architecture as well as the resources available to the maximum and create spaces of subtle wonder.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 2 contacts → |
“Company: Founded in 2002 (1981-2002 50% of Penttinen & Tiensuu Architects Ltd) Professional liability insurance ATL Member of the Association of Finnish Architects’ Offices (ATL)…” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Arkkitehdit Tuuma25tuuma25.com HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
“In Tuuma/25 we do it for you.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | OY Osuma Architects LTDosuma.co HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
“OSUMA provides innovative architectural design services with a customer oriented approach.” Recorded description excerpt · September 30, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Arkkitehtuuritoimisto Valvomo OYvalvomo.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Kati Salonen JA Mona Schalin Arkkitehdit OYstadionark.fi HQ: Helsinki, FinlandReported employees: 1-10 | Helsinki, Finland | 1-10 | Exact match | 1 contacts → |
No recorded description excerpt is available for this public record. | |||||
Showing 22 of 29 company matches
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Architectural conservation firms: dataset insights
September 30, 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
29 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 29 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: September 30, 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 architectural conservation 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 architectural conservation firms did RevenueBase find based in Helsinki, Finland?
The saved snapshot records 29 matching company records, 156 tracked contacts and 101 verified emails. The public preview displays 22 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: September 30, 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 22 architectural conservation firms based in Helsinki, Finland. Snapshot: September 30, 2026. https://revenuebase.ai/companies/architectural-conservation-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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