France · International

The firm

French corporate and M&A counsel for business owners, investors and international teams.

Guillaume PROM THIOUNN, Avocat · Paris Bar

Founder & Managing Partner

Guillaume
PROM THIOUNN

Avocat · Paris Bar

Guillaume PROM THIOUNN is the founder and Managing Partner of Lancier, and a member of the Paris Bar since 2017. He advises entrepreneurs, buyers and investors on French corporate and M&A matters.

His work covers acquisitions, business transfers, capital transactions and group reorganisations, as well as the corporate matters that follow incorporation or completion.

You work directly with him. He prepares the French legal documentation, participates in negotiations and coordinates the legal steps with the other advisers involved in your matter.

He works in French and English. His academic background includes private law, Anglo-American law and a master’s degree in international and European law from Aix-Marseille University.

Bar admissionParis · Since 2017
PracticeFrench corporate & M&A
Working languagesFrench · English
Your counterpartGuillaume PROM THIOUNN

Our approach

The French legal work,
step by step.

We organise the work around the decisions, documents and completion steps required for your engagement.

01

Define the engagement

Understand your project, review the existing documents and agree the French-law scope and fees.

02

Prepare and negotiate

Document the commercial agreement, explain open points and work with your other advisers.

03

Follow the completion steps

Coordinate the corporate decisions, signatures and filings, and the agreed post-completion work.

Transaction experience

Selected French
transactions.

Management buyouts, business expansion and SME acquisitions: selected transactions in which Lancier’s role has been publicly announced.

Management buyout · MBO

Managers acquire their business.

Acquisition of a signage business by members of its management team, with financial partners.

Lancier was among the buyers’ legal advisers.

Public announcement · AKORIS Finance

Acquisition · Business expansion

A group expands its activities.

Acquisition of a facade renovation business as part of a construction group’s expansion.

Lancier acted as legal counsel to the buyer.

Public announcement · VINCI Conseils

Business transfer · Entrepreneur acquisition

An entrepreneur acquires an SME.

Transfer of a family-owned building contractor to an entrepreneur with a background in the construction sector.

Lancier acted as legal counsel to the buyer.

Public announcement · In Extenso Finance

A service from the firm

Establish your company
in France.

Incorporate in France helps international founders and investors set up their French company.

Company formation · International founders

Incorporate in France

French company formation for international founders and investors: choosing a structure, drafting the articles of association and coordinating registration, with guidance in English.

Visit Incorporate in France

The next steps for your French business

Let’s discuss your project in France.

Discuss your French project