Company lists · Data refreshed August 2026

Top 25 Law firms based in Switzerland

Name: Law firms based in Switzerland
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Aug 29, 2026 1,146 companies tracked

This directory lists 1,146 law firms based in Switzerland, with 10,737 professional contacts and 4,470 email addresses. As of August 2026, Zurich is the single most-represented city among the companies listed.

Law firms are professional service organizations that provide legal advice, representation, and related services through licensed attorneys. This list covers companies that provide legal advice, legal representation, or related legal services through licensed attorneys. Ranked by team size, largest first. Data current as of August 29, 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.

How to read this list Match evidence on every row Refreshed Aug 29, 2026 86% judged on-target in blind review

1,146Companies

10,737Contacts tracked

4,470Verified emails

235Mobile numbers

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The 25 largest law firms based in Switzerland

Ranked by team size

Top 25 of 1,146 law firms based in Switzerland, ranked by team size, largest first. Data refreshed Aug 29, 2026. Evidence rates how directly each company's own description names law firms: strong (names it), partial (names part of it), indirect (matched on its full profile rather than the summary shown). Click a count to unlock that company's people.
#	Company	Headquarters	Employees	Contacts
1	Kellerhals CarrardIndirect evidence	Lugano, Switzerland	201-500	454
	“With 300 professionals (comprised of partners, salaried lawyers, legal experts, tax advisers and notaries) and a total of more than 500 staff, Kellerhals Carrard is the largest…” Source: company website · checked Aug 29, 2026
2	Lenz & StaehelinIndirect evidence	Lausanne, Switzerland	201-500	428
	“Breadth, depth, focus and reassuring dependability.” Source: company website · checked Aug 29, 2026
3	Walder Wyss LTDStrong evidence	Bern, Switzerland	201-500	398
	“Walder Wyss is one of Switzerland’s leading and fastest-growing commercial law firms.” Source: company website · checked Aug 29, 2026
4	BÄR & KarrerStrong evidence	Lugano, Switzerland	201-500	356
	“Bär & Karrer is a leading Swiss law firm with more than 200 lawyers in Zurich, Geneva, Lugano, Zug, Basel and St.” Source: company website · checked Aug 29, 2026
5	HomburgerIndirect evidence	Zurich, Switzerland	201-500	282
	“We help businesses and entrepreneurs master their greatest challenges.” Source: company website · checked Aug 29, 2026
6	MLL LegalStrong evidence	Lausanne, Switzerland	201-500	235
	“As one of the largest Swiss commercial law firms, MLL Legal advises its clients in all areas of commercial law.” Source: company website · checked Aug 29, 2026
7	Niederer Kraft FreyStrong evidence	Zurich, Switzerland	201-500	208
	“Established in 1936, Niederer Kraft Frey is a Swiss corporate law firm with an international approach.” Source: company website · checked Aug 29, 2026
8	Pestalozzi Attorneys At LAWStrong evidence	Zurich, Switzerland	51-200	177
	“Pestalozzi is a Swiss business law firm focusing on high-end work for domestic and international clients since 1911.” Source: company website · checked Aug 29, 2026
9	VischerStrong evidence	Basel, Switzerland	201-500	175
	“VISCHER is a leading Swiss law firm offering integrated legal and tax expertise.” Source: company website · checked Aug 29, 2026
10	CMS SwitzerlandStrong evidence	Geneva, Switzerland	51-200	160
	“CMS von Erlach Partners Ltd is one of few international law firms in Switzerland that can offer you both domestic and international advice.” Source: company website · checked Aug 29, 2026
11	Bratschi LTDStrong evidence	Zug, Switzerland	51-200	157
	“Bratschi is a full-service law firm with offices in the major business centres Basel, Bern, Geneva, Lausanne, St.” Source: company website · checked Aug 29, 2026
12	PythonStrong evidence	Sion, Switzerland	51-200	131
	“Established in 1981, PYTHON is one of the major Swiss law firms in terms of size and resources, having the know-how and facilities to enable it to play a significant role on the…” Source: company website · checked Aug 29, 2026
13	Wenger VieliIndirect evidence	Zug, Switzerland	51-200	126
	“A reliable partner in legal and taxation matters is always important, both in the best-possible situation, when someone is planning an exciting new project, or in the…” Source: company website · checked Aug 29, 2026
14	Wenger PlattnerStrong evidence	Switzerland	51-200	92
	“Wenger Plattner is a leading Swiss business law firm.” Source: company website · checked Aug 29, 2026
15	Baker Mckenzie SwitzerlandStrong evidence	Grand-Lancy Geneva, Switzerland	201-500	81
	“Baker McKenzie is one of the largest law firms in Switzerland.” Source: company website · checked Aug 29, 2026
16	Valfor Attorneys-At-LawStrong evidence	Geneva, Switzerland	51-200	80
	“valfor is a national full-service business law firm for entrepreneurial clients that bundles the knowledge and experience of more than 70 lawyers.” Source: company website · checked Aug 29, 2026
17	Bonnard Lawson International LAW FirmIndirect evidence	Geneva, Switzerland	51-200	79
	“Bonnard Lawson, founded in 1998, has over 50 lawyers and offices in Geneva, Lausanne, Nyon, Paris, Dubai, Shanghai and Hong Kong (associated office).” Source: company website · checked Aug 29, 2026
18	Borel & BarbeyStrong evidence	Switzerland	51-200	78
	“Borel & Barbey, established in 1907, is one of the leading law firms in Switzerland.” Source: company website · checked Aug 29, 2026
19	Oberson Abels SAStrong evidence	Sion, Switzerland	51-200	75
	“OBERSON ABELS is a Swiss law firm exclusively focused on business law advising in the following areas- Tax law (including specific fields of taxation such as taxation of financial…” Source: company website · checked Aug 29, 2026
20	Speechly BirchamStrong evidence	Switzerland	201-500	63
	“On the 1 November 2014, Charles Russell and Speechly Bircham merged to become Charles Russell Speechlys, a law firm headquartered in London, with offices in the UK, Europe and the…” Source: company website · checked Aug 29, 2026
21	Peter & KIMIndirect evidence	Geneva, Switzerland	51-200	62
	“Peter & Kim is a specialist international arbitration and cross-border litigation firm that spans Europe and Asia, with offices in Switzerland, South Korea, Singapore, and…” Source: company website · checked Aug 29, 2026
22	Blum&grob Attorneys At LAW LTDStrong evidence	Zurich, Switzerland	51-200	53
	“Blum & Grob Attorneys at Law Ltd is one of the leading business law firms in Zurich with great expertise delivered by teams of highly qualified lawyers in a wide range of legal…” Source: company website · checked Aug 29, 2026
23	Staiger Rechtsanwälte AGIndirect evidence	Zurich, Switzerland	51-200	46
	“STAIGER Rechtsanwälte AG steht für eine umfassende und zielorientierte Beratung in sämtlichen Bereichen des Privat- und Wirtschaftsrechts.” Source: company website · checked Aug 29, 2026
24	Eversheds Sutherland AGIndirect evidence	Zurich, Switzerland	51-200	42
	“Eversheds Sutherland is a global brand with over 70 offices across Europe, Asia, Africa, the Middle East and the United States.” Source: company website · checked Aug 29, 2026
25	Rentsch Partner AGStrong evidence	Zurich, Switzerland	51-200	39
	“We are a leading Swiss patent attorney and law firm based in Zurich and offer our national and international clients advice in all areas of intellectual property law and related…” Source: company website · checked Aug 29, 2026

Showing 25 of 1,146 law firms based in Switzerland

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Law firms based in Switzerland at a glance

As of Aug 29, 2026

1-10Median size (employees)

ZurichLargest hub · 244 HQs

235Contacts with mobile numbers

Aug 29, 2026Data refreshed

Companies by employee count

1-10

743

11-50

317

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

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 law firms, so some rows will be adjacent to the category rather than pure plays. The description and evidence 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 SmartSearch, the natural-language company search available to every RevenueBase user.
What qualifies: Companies headquartered in Switzerland whose own description of what they do matches “law firms”. Matching reads each company's description, not its industry code or its name.
What we exclude: Companies whose own description does not clearly place them among law firms, and records with no verified work email. Companies headquartered outside Switzerland 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 an evidence 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, 4,470 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 August 29, 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.

Law firms by metro

Frequently asked

How many law firms are listed based in Switzerland?

The directory includes 1,146 law firms based in Switzerland as of August 2026.

Where are most of the listed law firms located?

Zurich is the single most-represented city among the law firms on the list.

How many contacts and email addresses are available for these law firms?

The list includes 10,737 professional contacts and 4,470 email addresses for the listed law firms.

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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.