Groupe 800

An investment bank committed to get you a step ahead

For almost 20 years, our team of professional experts in investment banking have been supporting entrepreneurs, shareholders and top executives/ CEOs, in their development and transformation projects.

At each key decision-making stage, our professionals are there to provide strategic and independent advice, combined with a spirit of excellence, in order to anticipate, identify, design and implement their development processes, in a responsive and committed way.

We strive only for the success of our clients.

Key figures

deals a year (LBO, disposal, acquisition, capital increase, etc.) on the European mid-market segment
0 +
of operations completed successfully
0 %
of operations at international level
> 0 %

Sectorial
expertise

0

Smart cities

Health Innovation

Digital

Green transition

Strategic Services and Industries

Lifestyle

A team of 25 expert
and committed professionals

Strong experience and vision of high-potential sectors

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Our advisory offering

M&A - LBO

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ECM

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Debt Advisory

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Our references

Smart cities

Health Innovation

Digital

Green transition

Strategic Services and Industries

Lifestyle

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Phone : +33 1 44 88 77 88

73 bd. Haussmann
75008 Paris

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Marc-Antoine
Guillen

Chairman

Former Chief Executive of IC Holding (Banca Sella) until April 2006. Involved with Groupe Crédit Agricole in the lmmarest stockbroker of the Group, Hayaux du Tilly, from 1990 to 1998 and then involved in the takeover of IC Bourse (formerly Via Bourse) from the end of 1998 before its merger with Banca Sella Group and then its sale to AVIVA. He was also involved in several privatisations (including that of Renault) and more than 100 stockmarket listings. In addition, with a wealth of multi-disciplinary experience, Marc-Antoine also works on mergers/acquisitions, fund raisings and private equity.

Functions

Manager of Invest & Associés, Finance company
Chairman of Invest Corporate Finance
Chairman of Invest Securities
Chairman of the Supervisory Board of Amplegest
Chairman of the Supervisory Board of Sully Patrimoine Gestion
Managing Director of Invest S Corporate in Hong Kong

Miscellaneous

Degree in law
Member of the SFAF

Bertrand
Le Galcher Baron

CEO

Before joining Invest Corporate Finance in 2012, Bertrand was Managing Partner and one of the founders of Mandel Partners (2008-2012).
He was involved as a Partner in the growth of Aforge Finance with more than thirty “industrial” M&A and LBO operations (2000-2008). Previously, he was market economist of Banque du Louvre, analyst at Siparex, and then within Société Privée de Gestion et de Conseil in mergers-acquisitions.

Education

HEC Paris – MBA ISA
Sciences PO Paris
Paris II University
Master’s degree in business law – Tax law

Christophe
Marchand

Managing Partner

Managing Director of Oddo BHF Corporate Finance from 2017 to 2020. Managing Director then Chairman of the Management Board of Edmond de Rothschild Corporate Finance from 2008 to 2017. Managing Director at Clinvest (Crédit Lyonnais group)/Crédit Agricole Investment Banking from 2001 to 2008.

He has advised on more than fifty transactions with a focus on the corporate and retail services and industrial sectors. A majority of these transactions have an international dimension: pan-European, transatlantic or Euro-Asian. In addition to advising on the capital of ETIs and SMEs, he has been involved in major operations such as the recomposition of Arianespace’s capital, the creation of Airbus Group, the privatisation of Thales, the creation of Naval Group or the creation of the Renault-Nissan alliance.

He also worked at the Treasury Department at the Ministry of Economy and Finance (1989-2001), where he held responsibilities in the field of privatisations, development aid, relations with the International Monetary Fund and international monetary negotiations, and banking regulation. Financial attaché in New York for the Ministry of Economy and Finance between 1993 and 1995.

Functions

Managing Partner of Invest Corporate Finance. Specialising in capital sales and capital increases for SMEs and ETIs with shareholders including entrepreneurs, families and financial investors.

Miscellaneous

Graduate of Essec and IEP Paris, and former student of the Ecole Nationale d’Administration.
Books: “Les marchés financiers américains” and “Economie des interventions de l’Etat”.

Jean-Emmanuel
Vernay

CEO

Before founding Invest Securities at the end of 2000, he was responsible for the development of Small cap operations of the Crédit du Nord Group from 1994 to 1998, and then with the stockbroker Pinatton from 1998 to 2000. He has been responsible for more than 100 stockmarket listings and has been an independent assessor approved by the AMF. The expertise of Jean-Emmanuel especially involves Equity Capital Market and Tech sector (biotech, medtech, IT, cleantech) operations.

Functions

Joint Manager of Invest & Associés, Finance company
Chief Executive of Invest Corporate Finance
Chief Executive of Invest Securities
Vice-Chairperson of the Supervisory Board of Amplegest
Vice-Chairperson of the Supervisory Board of Sully Patrimoine Gestion
Managing Director of Invest S Corporate in Hong Kong

Miscellaneous

Graduate of Kedge
Member of the SFAF

Vincent
Behr

Managing Partner

After an initial experience in project financing with Sophia (Groupe AGF), he joined L’LIONE & Associés in 1997. He was appointed Managing Partner in 2007. Following the merger of L’LIONE & Associés and Invest Securities Corporate, he joined Invest Corporate Finance in 2016.

Education

DEA in Business Law – Paris II
Master’s Degree in Management Science – Paris Dauphine

Hervé
Colson

Managing Partner

Hervé Colson began his career within the Audit activity of PwC before joining the Corporate Finance team in Paris and London and being co-opted as a partner in 2008. Within this team he advised in particular on numerous Private Equity transactions and launched the offerings Debt Advisory and Advisory Management Teams in buy-out transactions.

In 2015, he founded and developed Exponens Corporate Finance M&A activity (backed by the multidisciplinary firm Exponens) specializing in advising shareholders and managers of mid-sized companies and SMEs in the context of LBO transactions. He joined ALLinvest's Corporate Finance team in 2023.

Education

Emlyon Business School (MS) – DESCF

Raphaël
Rossello

Managing Partner

Raphaël has been successively Senior Banker at Transaction R (subsidiary of Rothschild & Cie dedicated to SMEs). Managing Partner of Pinatton and then of Oddo Pinatton Corporate. He has floated more than 100 companies on the stock exchange. Previously founder and manager of Basenix Inc. specialising in technical services for hospitals. Founder of the Paris and Barcelona offices of Translink AG, he carried out more than 130 multi-sector mergers and acquisitions. He joined Invest Securities in 2012, after having been Managing Partner of Mandel Partners since 2008.

Education

DESS in Economic Science

Claude
Breuil

Senior Advisor

Claude has a highly diversified sectoral experience. He began his career at Peat Marwick (KPMG) and subsequently held the positions of Managing Director of DALKIA’s Spanish subsidiary, General Manager of France Boisson (distribution) at HEINEKEN Group, and General Manager of Groupe Pierre 1er (real estate development). In 1995, he founded Asset Value Management, a company specializing in strategic asset management and private equity, where he serves as President.

Education

ESSEC
Holder of the DESCF

Marc
O’Neill

Senior Advisor

Before joining L’LIONE and Associates as a founding partner, Marc worked at Rothschild Bank and Sophiabail. He is the President of Forward Finance and a non-executive director of several companies. He founded L’LIONE Finance and served as the CEO of L’LIONE Action. In 2016, L’LIONE and Associates merged with Invest Securities Corporate to become Invest Corporate Finance. He has over fifty M&A transactions to his credit.

Education

Law degree from the University of Malakoff

Vincent
Déchin

Senior Advisor

He began his career in the International Affairs and Correspondent Banking department at Banque de Gestion Privée-SIB. In 1989, he joined the L’LIONE group, where he contributed to investment and venture capital activities before moving into M&A advisory in 1996. He was appointed Managing Partner in 1998. Following the merger of L’LIONE & Associates and Invest Securities Corporate, he joined Invest Corporate Finance as Managing Partner in 2016.

Education

IEP of Paris
Master’s degree in Corporate Law and Tax Law

Sami
Berhouma

Partner

Sami joined Invest Securities in 2006. He has advised on more than forty capital market transactions across various sectors: services, internet, energy, and real estate. He has been involved in both the listed universe (IPO of Voltalia, capital increase of Frey, Manpower’s takeover bid for Proservia, bond issuance of Argan…) and the unlisted universe (LBO of Oberthur, sale of Autoreflex to Axel Springer).

Education

INSA Rouen
Master’s degree in Financial Engineering – EM Lyon

Gwenaël
Le Berre

Partner

Gwenaël has over 15 years of experience in investment banking. He began his career at Financière de Saint Cyr, a firm specializing in M&A advisory, private and public fundraising, where he successively held the positions of business manager and manager. During these 5 years, Gwenaël was involved in transactions in the technology sectors (internet, cybersecurity) as well as industrial sectors (media, textile press). In 2006, Gwenaël joined Invest Securities, now All Invest. Initially in charge of Equity Capital Market activities, he supported the development of private equity and M&A activities. Gwenaël is now a Managing Partner at Invest Corporate Finance and has over 30-40 transactions to his credit, including IPOs, fundraising for French midcaps, sales of industrial groups to family offices, and some restructuring operations for listed companies.

Education

Master’s degree in Banking and Finance
Advanced Diploma in Financial Management – Paris X

Alan
Le Roux

Director

Alan joined L’LIONE & Associates in January 2016 and then Invest Corporate Finance following the merger. Prior to that, he gained experience as an M&A Analyst for SeLoger.com and in Equity Research in the Pharma sector at Natixis.

Education

ESC Rouen

Stéphane
du Périer

Director

He joined Invest Corporate Finance in early 2017. Prior to that, he gained experience in M&A at Capitalmind and Linkers Mergers & Acquisitions, where he had the opportunity to work on several buy-side and sell-side transactions in the small and mid-cap segments, across various sectors such as e-commerce, the pharmaceutical industry, and scientific instrumentation. He also had experience in a Private Equity fund at H.I.G. Capital, where he worked on investment opportunities in growth capital and LBOs in mid-cap companies, primarily in the raw materials sector.

Education

Graduate of Néoma Business School's Grande Ecole program specializing in Corporate Finance

Tom
Auvray

Director

Tom joined Invest Corporate Finance in January 2019 after 7 years with EY, 3 as a middle-market Financial as a financial auditor (middle-market) then 4 as a Manager in Transaction Services.

Education

Graduate of IESEG School of Management

Miguel
Pascual

Director

Miguel joined Invest Corporate Finance in 2020, after 6 years of experience first at Lazard as an analyst in Madrid, then at Santander in Paris as an analyst and M&A associate

Education

Universidad Pontificia Comillas (ICADE) – E2

Faustine
Jaudeau

Vice President

Faustine joined L’LIONE & Associates in September 2015 and then Invest Corporate Finance in February 2016, following an initial experience in Marketing Development at Coyote Conseil and as an Analyst at Firmenich in Barcelona, after completing a dual French-Spanish degree in management specializing in finance. She notably collaborated on the sale of ENTRA (a company specializing in electrical engineering: public lighting, high and low voltage) to the Sylpa group (electrical engineering) in May 2017.

Education

Graduate in Management, specializing in Finance from CESEM in Reims
Graduate in Management, specializing in Finance from ICADE in Madrid

Manon
Ardouin

Vice President

Manon joined Invest Corporate Finance in 2017. Prior to that, she gained experience in Equity Research in the Oil & Gas sector at Natixis

Education

Graduate of the Grande Ecole program at Toulouse Business School, specializing in Corporate Finance

Maxime
Noel

Associate

Maxime joined Invest Corporate Finance at the end of 2019. Previously, he gained experience in mergers and acquisitions at Edmond de Rothschild, where he had the opportunity to work on various small and mid-cap transactions, as well as at BNP Paribas within the Infrastructure team.

Education

Graduate of the BBA program at ESSEC Business School and the MS in Financial Engineering from emlyon Business School

Tristan
d’Harcourt

Associate

Tristan joined Invest Corporate Finance at the end of 2020 after gaining experience at Banque Palatine in the LBO financing team, where he worked on several small and midcap transactions.

Education

Graduate of the Grande Ecole program at emlyon Business School

Diego
Vo Tan-Chabane

Analyst

Diego joined the Invest Corporate Finance team in 2021. Prior to that, he gained experience in Mergers & Acquisitions, Private Equity, and Mezzanine Financing at Andera Partners

Education

Graduate of the Bachelor’s in Economics and Finance from Bocconi University and the Master’s in Finance from IE Business School

David
Duchamp

Analyst

David Duchamp joined Allinvest Corporate Finance in January 2023 after having worked at Oderis as a Transaction Services analyst, and at Deloitte, as a financial auditor. Within Allinvest teams, he mainly works on mergers and acquisitions and capital increases.

Education

Université Paris-Dauphine – PSL

M&A - LBO

Advice in the field of acquisitions, disposals, mergers ..... of listed and nonlisted assets, both in France and abroad.

ECM

Advice on IPOs, secondary operations, market transfers and withdrawal operations

Listing Sponsor on Euronext and on OTC Markets

One of the leaders on Euronext markets

Debt Advisory

Dual expertise in operations to seek funding for Private Equity operations (LBO) and corporate finance (simple, convertible or complex bond issues, listed or unlisted, bank finance structuring, etc.)

Secondary LBO of Financière Canella, the leading global player in the renovation of collective residential buildings in Île-de-France.

Advisory for Financière Canella

New financial partners: Five Arrows, Andera Partners, and management

Issuance of Euro PP and Green Bonds

Advisory for Apsys, an expert in commerce and urban development

Amount: approximately 260 million euros combined

Sale of Groupe Angelotti, a specialist in land development (sale of building plots, development of new neighborhoods) and real estate promotion

Advisory for the sellers: Angelotti and Moreau Investissements

Buyer: Nexity

Sale of Peters Surgical, one of the leading European suppliers of sterile medical devices for the operating room.

Advisory for the sellers : Eurazeo and management

Buyer : Advanced Medical Solutions Group plc (AIM: AMS), a world-renowned specialist in tissue healing devices, listed on the London Stock Exchange

Reserved public offering of Vivalto Santé, the 3rd largest private healthcare group in France

Fundraising amount: 65 million euros

Advisory for the company

LBO of Intech, the global leader in the manufacturing of orthopedic surgical instruments

Advisory for the sellers : Eurazeo and Andera Partners

Buyer : Montagu

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Sale of KEEPEEK, a software publisher and French leader in Digital Asset Management (DAM) (350 top-tier clients, both in France and internationally, including Yves Rocher, Airbus, Veolia, Orange, EDF, etc.)

Advisory for the selling shareholders (100% of the shares)

Buyer : PAPIRFLY, a Norwegian software publishing group primarily owned by the pan-European investor specializing in digital and software, VERDANE.

Sale of Wemanity

Advisory for the sellers :
Wemanity and Entrepreneur Invest

Buyer : Reply

Acquisition of Groupe Wifirst, the leader in the French professional Wi-Fi market with a strong presence in the student housing, leisure internet, military, and hospitality sectors.

Advisory for the buyers : Amundi Private Equity Funds (Amundi PEF), Bpifrance, Socadif Capital Investissement, and management

Seller : Groupe Bolloré

IPO of Vinpay, manufacturers of substitutes for chemical additives on Euronext Growth

Listing Sponsor

Capital increase of Voltalia, an international player in renewable energy (listed on Euronext)

Amount: 490 million euros

Advisory for the company

Sale of KEON, pioneers in the French methanization market.

Advisory for the sellers : Generis Capital, Citizen Capital, Sigma Gestion, Supernova Invest

Buyer : Marguerite, an independent European alternative investment fund manager

Acquisition of Groupe FMG Sales & Marketing, one of the leading players in commercial outsourcing and field marketing in France.

Buyer’s advisor : Groupe PENELOPE

Seller : LFPI Gestion

LBO of Sicame, a specialist in solutions for electricity transport and distribution (turnover €450M).

Advisory for the selling shareholders

Buyers : AlpInvest Partners, the principal investor, Equistone, and the founding families.

LBO of Aresia (formerly Groupe Rafault), a leading military and civil aerospace equipment manufacturer.

Buyer’s advisor : HLD Europe

Sellers : Founding shareholder, ACE Management, Etoile Capital.

LBO MCI Group, a company in the event management sector catering to professional associations (60 agencies, 31 countries, 1200 clients).

Buyer’s advisor : L-GAM, a long-term Luxembourgbased investment firm, in the LBO acquisition of MCI GROUP alongside the founding family and the management team (100 executives at the table).

Sellers : EMZ and Indigo.

Valuation of MCI Group :
between €250 million and €300 million.

Minority LBO of Grand Large Yachting, a group of French shipyards dedicated to the manufacturing of world-renowned long-distance cruising sailboats.

Advisory for the sellers : Groupe Pechel and other shareholders.

Buyers :
Minority stake in the capital of RAISE INVEST, ÉPOPÉE GESTION, and IXO PRIVATE EQUITY alongside the founders and executives.

Acquisition of Bio Habitat, a leading European company specializing in the manufacturing of mobile homes for the outdoor hospitality market (including the brands O’Hara, IRM, and Coco Sweet).

Buyer’s advisor : Trigano, a major European player in recreational vehicles.

Sellers : Groupe Bénéteau