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The expertise, the high involvement of our teams and the close consideration of our clients' needs are the keys to deliver the highest value added to our clients.

Lionnel is one of the founding partner of Eight Advisory in 2009. He is now heading our Energy, Infrastructure & Project Finance practice, with today thirty dedicated professionals based in Paris, Hamburg and London.

Lionnel has more than 25 years of experience in transaction advisory for both PE houses and large international groups. He is now advising infrastructure funds and large strategic players in the sectors of energy, construction, telecoms and transport in their acquisitions, disposals and project financing.

Lionnel started his career within a Big 4 firm as bank auditor and later joined another Big 4 firm devoting to buy-side and sell-side due diligences, with a focus on energy and infrastructure sectors. Lionnel has a wide experience of international transactions and complex carve-out operations.

The core value of Eight Advisory that defines me the most

Entrepreneurship

Entrepreneurship is one of the founding pilars of Eight Advisory that enabled to regularly developp our service offering as well as to recruit talented and comitted professionnals, willing to grow up alongside their firm.


Maintaining our entrepreneurial mindset is key to continue to rapidly develop our business.


Insights

Insights

Transmission & Distribution in Europe: €600bn in electricity grid investment needed by 2030

3 Jun 2026

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Insights

Brownfield is the new Greenfield

30 Apr 2026

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Insights

Nuclear Power: Navigating France’s Post-ARENH Market Transformation

31 Mar 2026

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Insights

European Data Centres: Powering growth in the age of AI

20 Oct 2025

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Insights

Maritime Infrastructure in the Gulf of Guinea

18 Sep 2025

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Insights

Creating value from the data centre opportunity: Strategies for growth in the European market and key value drivers

19 Feb 2025

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Insights

Utility and Infrastructure Services: Delivering the Energy Transition

14 Feb 2025

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Awards

League Tables - 2025 Financial Due Diligence - CFNews

M&A Transaction Services

Mergers & acquisitions - Transaction services consulting - 2025 Ranking - Leaders League - France

M&A Transaction Services

Private Equity - Transaction services consulting - Ranking 2025 - Décideurs Magazine - France

M&A Transaction Services

Promotion & construction-Projects & Infrastructure-Ranking 2024-Décideurs Magazine-France

Infrastructure, Energy & Project Finance

Guide Promotion – Construction – Infrastructure – Classification financial engineering – Leaders League 2022

Infrastructure, Energy & Project Finance
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