Company lists · Data refreshed September 2026
Top 25 Tax law firms based in Finland
RevenueBase identified 82 tax law firms headquartered in Finland as of September 2026 and tracks 1,628 professional contacts across them, including 1,181 with verified work emails and 158 with mobile numbers. Helsinki is the largest hub.
This list covers tax law 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 6, 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.
The 25 largest tax law firms based in Finland
Ranked by team size| # | Company | RevenueBase Smart Search | Contacts | ||
|---|---|---|---|---|---|
| 1 | Partial evidence | 566 contacts → | |||
“Roschier is one of the leading law firms in the Nordic region with offices in Helsinki and Stockholm.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 2 | Partial evidence | 286 contacts → | |||
“We are a trusted legal advisor in mergers and acquisitions, disputes and other specialised fields of business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 3 | Indirect evidence | 97 contacts → | |||
“We facilitate success for our clients and our people.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 4 | Partial evidence | 96 contacts → | |||
“HPP is a true expert in the essentials of business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 5 | Indirect evidence | 64 contacts → | |||
“Tuokko on vuonna 1971 perustettu asiantuntijaorganisaatio, joka on kasvanut Suomen suurimmaksi perheyritykseksi alallaan.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 6 | Partial evidence | 50 contacts → | |||
“Waselius is a commercial law firm, committed to providing highly specialised legal services in complex business transactions.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 7 | Partial evidence | 43 contacts → | |||
“Merilampi specializes in dispute resolution and transactions, with a broad range of services across business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 8 | Indirect evidence | 36 contacts → | |||
“We are an authorized accounting firm with over 20 years of experience in financial administration, and in corporate and foundation management.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 9 | Indirect evidence | 25 contacts → | |||
“TALVEA tarjoaa talous, laki, vero- ja tilintarkastuspalveluita yrityksille, omistajille sekä julkishallinnon organisaatioille.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 10 | Indirect evidence | 23 contacts → | |||
“Rotio on talouden, verotuksen ja juridiikan palveluja tarjoava asiantuntijayritys.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 11 | Indirect evidence | 17 contacts → | |||
“Yritysten lakiasioiden asiantuntija!” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 12 | Indirect evidence | 16 contacts → | |||
“Talousvahvistus on tamperelainen tilintarkastuksen, vero- ja yritysjuridiikan ja taloushallinnon erityiskysymysten monipuolinen osaaja ja ymmärtäjä.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 13 | Indirect evidence | 11 contacts → | |||
“Olemme verotuksen ja omistamiseen liittyvän juridiikan kokenut moniosaaja.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 14 | Partial evidence | 10 contacts → | |||
“Avail is a specialist business law firm focusing on providing solution-driven advice to our clients.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 15 | Indirect evidence | 10 contacts → | |||
“Welling Lagerstedt & Honkanen ("WLH") provides its clients with trustworthy, straightforward, and effective service.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 16 | Partial evidence | 10 contacts → | |||
“Norra is an expert on commercial law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 17 | Indirect evidence | 10 contacts → | |||
“Asianajotoimisto Ferenda on yritysjuridiikkaan, perhe- ja perintöoikeuteen, sekä muihin haastaviin yksityisoikeudellisiin asioihin erikoistunut asiansa osaava asianajotoimisto.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 18 | Indirect evidence | 10 contacts → | |||
“We provide our clients with: Profound legal know-how Negotiation skills and verbal competence Fast and cost effective as well as fair solutions We strive for long-term client…” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 19 | Partial evidence | 9 contacts → | |||
“Byro is a modern law firm on a mission to make its clients and people happy.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 20 | Indirect evidence | 9 contacts → | |||
“Pro Juridica on osaava ja ketterä yritysjuridiikkaan keskittyvä asianajotoimisto.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 21 | Indirect evidence | 9 contacts → | |||
“Attaining the state of flow in business is a feeling you never want to give up.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 22 | Indirect evidence | 8 contacts → | |||
“Toimistomme juuret vievät vuoteen 1984.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 23 | Indirect evidence | 8 contacts → | |||
“Asianajotoimistomme on täyden palvelun asianajotoimisto, joka on erikoistunut monipuolisiin oikeudellisiin palveluihin yrityksille ja yksityishenkilöille.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 24 | Partial evidence | 7 contacts → | |||
“Teperi & Co Ltd is a law office specializing in business law.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
| 25 | Indirect evidence | 7 contacts → | |||
“At BOWA we have a passionate dream of a new era of legal services.” Source: company website · checked Sep 6, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: tax law firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names tax law firms.
- Partial evidence
- Its own public description names part of tax law firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name tax law firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 82 tax law firms based in Finland
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Tax law firms based in Finland at a glance
As of Sep 6, 2026Companies by employee count
Freshness & accuracy
How recently the business emails on this list were verified
Email last verified
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 tax law 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 “tax law 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 tax law 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 tax law 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, 1,181 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 6, 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.
Tax law firms by metro
- Tax law firms in Helsinki41
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 tax law 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 tax law firms are there based in Finland?
RevenueBase identified 82 tax law 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?
Roschier, headquartered in Helsinki, tops this list with the largest team on record.
Which city has the most tax law firms?
Helsinki leads with 41 headquartered companies, followed by Oulu (5) and Turku (5).
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 1,181 verified decision-maker contacts tracked across these 82 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 6, 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.