LEAX Avocats

What LEAX Avocats does

LEAX Avocats is a Swiss business law firm established in 2016 by Vincent Mignon and organized as a Sàrl (limited liability company), headquartered in Neuchâtel with a Paris presence operated through a partnership with Barbier Legal. The firm provides legal advisory across business law, mergers and acquisitions, tax law, and emerging digital technologies including blockchain, crypto-assets, and fintech, with a Franco-Swiss cross-border practice. It serves a diversified client base spanning companies, executives and investors, start-ups, banking and financial institutions, private clients, real estate, and regional industry with a notable emphasis on watchmaking.

The firm operates with approximately 11 members, comprising founders, attorneys, tax advisors, trainee attorneys, and a legal secretary. Its revenue model is fee-for-service legal engagement, with M&A transactions, tax structuring, and regulatory advice for digital assets serving as principal practice areas. The team carries unusually strong academic credentials for a firm of its size, including PhDs and professorships, and prior experience at premier Swiss institutions including PwC and WalderWyss. The firm is privately held by its founding partners, and 2026 marks its tenth anniversary, accompanied by a rebrand and continued hiring in the tax practice.

Name

LEAX Avocats

Legal name

LEAX Avocats Sàrl

Website

https://leax.ch

Company type

Private

Founded year

2016

Operating status

Operating

Headcount range

1–10 employees

Short description

LEAX Avocats is a Swiss business law firm founded in 2016, specializing in M&A, tax, and digital-asset law for a Franco-Swiss clientele of corporates, investors, start-ups, and financial institutions.

Ownership category

akta.pro rank

Product category

Legal Services

NAICS

Offices of Lawyers (541110), Legal Services (5411)

SIC

Services-Legal Services (8111)

akta.pro industry

PRIMARYBPAHAAAA

Corporate & Commercial Law

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Legal Services

SECONDARYBPAHAAAG

Tax Law

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Legal Services

SECONDARYBPAHAAAC

Regulatory & Compliance Law

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Legal Services

SECONDARYBPAHAAAH

Bankruptcy, Restructuring & Insolvency Law

Business & Public Services/Professional Services (Legal, Accounting, Consulting)/Legal Services

Keywords

• Business law advisory
• Mergers and acquisitions
• Tax law advisory
• Litigation and arbitration
• Digital assets law

Headquarters

HQ city

Neuchâtel

HQ country

Switzerland

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales

Revenue model

1. Legal Advisory Services: Professional services revenue from legal advisory and representation in business law, M&A, litigation, arbitration, tax matters, and digital technologies. Services provided to Swiss and international companies, executives, investors, and entrepreneurs. Engagement typically begins with initial consultation followed by engagement letter specifying scope, terms, and confidentiality provisions.

Go-to-market motion1 record

Distribution channels2 records

Marketing channels3 records

Core offering

Swiss business law firm providing legal advisory and representation in business law, mergers and acquisitions, tax law, litigation and arbitration, and digital technologies including blockchain, crypto-assets, and fintech. The firm serves corporate and private clients from offices in Neuchâtel and Paris, combining legal and tax expertise across the Franco-Swiss border.

Product overview

LEAX Avocats is a Swiss business law firm offering a unified portfolio of legal services organized around four core practice areas: (1) Corporate Law & M&A Transactions covering company formation, acquisitions, restructurings, and business transfers; (2) Swiss & International Tax Law including corporate taxation, cross-border structuring, and tax litigation; (3) Litigation & Arbitration for commercial, civil, and construction disputes; and (4) Digital Technologies & Digital Assets covering blockchain, crypto-assets, fintech, and Web3 legal advisory. The firm also serves specialized sectors including industry/watchmaking, private wealth clients, start-ups, banking/financial industry players, and real estate. Services are delivered through offices in Neuchâtel and Paris, with a multidisciplinary team combining lawyers and tax advisers.

Differentiator

Problem solved

Functional benefit

Products and services

• Business Law Advisory
• Mergers and Acquisitions (M&A)
• Tax Law Advisory
• Litigation and Arbitration
• Digital Technologies Law (Blockchain, Crypto-assets, Fintech)

Segments7 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

One partnership is on record.

• Barbier LegalsupportingOthersLEAX Avocats operates its Paris office in partnership with Barbier Legal, located at 64 rue de Miromesnil, 75008 Paris. This arrangement enables the firm to provide integrated advisory services for cross-border matters between France and Switzerland while maintaining a presence in Paris without a full dedicated office.

Scale indicators2 records

Recent moves7 records

Expansion highlights4 records

Broad incumbents

• Homburger AG: Zurich-based leading Swiss business law firm with strong corporate, M&A, capital markets, and technology practices. Comparable to LEAX across core practice areas but operates with significantly more lawyers and broader international reach.
• Lenz & Staehelin: One of Switzerland's largest law firms with offices in Geneva, Zurich, and Lausanne, plus international presence. Strong corporate, M&A, tax, and dispute resolution practices directly comparable to LEAX's core offerings, but at significantly larger scale.
• Bär & Karrer AG: Leading Swiss business law firm headquartered in Zurich with strong M&A, tax, banking/regulatory, and digital assets practices. Competes with LEAX in the same practice areas but offers institutional scale, multiple offices, and an established cross-border network.
• MLL Meyerlustenberger Lachenal Froriep AG: Major Swiss business law firm with offices in Zurich, Geneva, and Lausanne. Comparable to LEAX in M&A, tax, corporate, and technology practices; serves similar SME and mid-market clients but at much larger scale.
• Schellenberg Wittmer Ltd: Leading Swiss law firm with offices in Zurich and Geneva known for dispute resolution, corporate, and banking/finance practices. Comparable to LEAX in litigation/arbitration and corporate work, but with significantly broader institutional resources.
• Niederer Kraft Frey AG: Zurich-headquartered Swiss business law firm with strong M&A, corporate finance, banking/regulatory, and tax practices. Comparable to LEAX in transactional and advisory services but operates at much larger scale with institutional client base.
• WalderWyss SA: One of Switzerland's largest business law firms with broad M&A, tax, corporate, and technology practices across multiple offices. Directly comparable to LEAX Avocats in core practice areas (corporate, M&A, tax, tech) but operates at significantly larger scale with institutional resources LEAX cannot match. Thierry Obrist was previously at WalderWyss before co-founding LEAX.

Direct peers

• Pillet Partners: Paris-based boutique business law firm specializing in M&A, corporate finance, and cross-border transactions. Comparable to LEAX in boutique scale, Franco-Swiss cross-border practice focus, and emphasis on mid-market M&A and corporate advisory.
• Barbier Legal: Paris-based French business law firm specializing in M&A, corporate, and tax advisory. Most directly comparable peer as LEAX's Paris office co-location partner; similar boutique scale and Francophone Franco-Swiss cross-border practice focus.

Regional players

• Borel & Barbey: Geneva-based Swiss business law firm serving private clients, family offices, and SMEs. Comparable to LEAX in serving Francophone Swiss private clients and SMEs with cross-border (France-Switzerland) exposure, but with Geneva rather than Neuchâtel base.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat2 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/leax-avocats

Revenue estimate

Valuation estimate

Number of profiles

Profiles1 record

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about LEAX Avocats