Mergers & Acquisitions

Largillière Finance


Founded in 2005 by Paul Bougnoux and Tanguy Mantelin, Largillière Finance is an independent M&A advisory firm based in Paris, Brussels and Geneva.

We advise our clients on their sales and acquisitions operations, fundraising (equity and debt), financial engineering and corporate finance advisory.
Our clients are SMEs and their shareholders.

We operate in France and Europe through our offices (Paris, Brussels & Geneva) and the network i-DealNet that we co-founded.

We are 20 M&A professionals who are fully dedicated to Largillière Finance’s clients. The team is backed by a strong network of high calibre senior advisors who contribute their collective technical skills along with extensive sector-based knowledge.

Our team work seamlessly together thanks to a unique methodology based on collaboration, information exchange and knowledge sharing.

We accompany our clients on their operations and ensure the execution at each step (understanding the operation, producing the presentation documents, road-show, negotiation, fundraising, legal and financial structuring) until the completion of the operation.

Our activities

Added Value

Over the past 15 years, Largillière Finance has become one of the leading French investment banks, thanks to its professional ethics and efficiency.

Our team of 20 employees accompany entrepreneurs to lead their operations and make them into a thriving, successful business.

100% Independent

At the exclusive service of his clients

Track Record

More than 15 years of expertise and more than 150 operations carried out

Customized services 

Interactive approach and proximity with clients

France, Benelux, Suisse & International

Offices in Paris, Brussels & Geneva  i-DealNet

Multi-sector expertise

Strategic intelligence – Multidisciplinary team

Business Networks

Through its networks of partners and Senior Advisors

Some References

Our team

Paul Bougnoux
Paul BougnouxFounding Partner
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Tanguy Mantelin
Tanguy Mantelin Founding Partner
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Nicolas Ibanez
Nicolas IbanezPartner
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Valéry Giard
Valéry GiardManaging Partner
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Thomas Bureau
Thomas BureauDirector
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Jean Baptiste Pavageau
Jean Baptiste PavageauExpert Blockchain
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Serge Boulon
Serge BoulonDirector of Banking Financing
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Sébastien Aymard
Sébastien AymardManaging Partner Switzerland
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Florian Leginy
Florian LeginyChief Analyst
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Robin Milome
Robin MilomeSenior Analyst
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Alexandra Marquand
Alexandra MarquandSenior Analyst
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Anaïk Maurel
Anaïk MaurelSenior Analyst
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Anaïs Hauchecorne
Anaïs HauchecorneOffice Manager
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Michel Boulaire
Michel BoulaireSenior Advisor
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Bernard Chaussegros
Bernard ChaussegrosSenior Advisor
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Grégoire Duban
Grégoire DubanSenior Advisor
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Philippe Gausset
Philippe GaussetSenior Advisor
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Marie Wiriath
Marie WiriathSenior Advisor
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Jean Charles Herrenschmidt
Jean Charles HerrenschmidtSenior Advisor
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François-Louis Vuitton
François-Louis VuittonSenior Advisor
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Olivier Machault
Olivier MachaultDirector | Senior Advisor
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