Aldebaran Global Advisors is an independent capital markets advisory firm, supporting innovative companies in financing their expansion through stock market listings and IPOs in Europe or in the US.

We provide our entrepreneurs, strategic shareholders and venture capital clients with independent advice, empowering them to make informed decisions at all points in the listing process.

Our experts have more than 75 years of experience, spanning over 150 transactions on 12 different listing venues including Euronext, the New York Stock Exchange, Nasdaq or Tokyo Stock Exchange. Aldebaran’s team is well equipped to accompany you on your next milestone and unlock the value of capital markets.

We have experience in supporting our clients on IPOs, Secondary Offerings, Private Placements, Listings, Multi-Listings, American Depository Receipts (Level I, II and III), M&A or Market Transfer and Exit.

Going public represents a significant milestone for any company. Aldebaran prepares companies, entrepreneurs and shareholders to the listing process, from pre-IPO to post-IPO, supporting them in every aspect to create conditions for a successful transaction.

Aldebaran Global Advisors is an accredited Listing Sponsor by Euronext Paris.





Different Stock Markets


Cross-Border Deals


Years of Combined Experience


Private Companies
  • We offer to accompany growing companies early in their development to gradually reach pre-IPO standards.
  • We provide IPO readiness assessments, corporate structure & governance reviews and capital markets entry strategies tailored to your business needs.
  • We also support private capital raising from seed to series C.
Pre-IPO Companies
  • Going public represents a significant milestone for any company.
  • Our deep experience enables us to assist the IPO candidate on every step of the listing process from market intelligence and advice, process planification, documentation drafting, third party selection, dealing with regulators and exchanges.
  • Whether you woud like to list on your home market or overseas, Aldebaran is your partner of choice.
Listed Companies
  • Too many companies are not yet optimizing their quotation. Let us help you enjoy the benefits of being listed.
  • Our extensive experience in European and US capital markets enables us to provide insightful strategies to listed companies including investor relations advisory, capital increases and other corporate transactions (market upgrades, cross-border listings, M&A or market exits).

“Luck is when preparation meets opportunity”

 – Seneca



At the core of what we do. Being entrepreneurs ourselves help us better serve our partners in full independence.


You innovate. We innovate as well! When there is a will, there is a way. We custom strategies to your needs based on our deep capital markets experience.


We are building long term-partnerships. The human factor is essential to us.


Our goal is to help you reach your objectives and realize your growth ambitions. #interestalignment

Track Record

Listing and Foreign market Delisting

€5Bn M. Cap / Real Estate

European IPO - New York Stock Exchange

$880 M. Cap / Shipping


Dual IPO - Euronext and NYSE

$184m M. Cap / Cleantech

European IPO - New York Stock Exchange

$253m M. Cap / Tech


IPO - Euronext

€125m M. Cap / Energy

Spanish IPO - Euronext Growth

€28m M. Cap / Tech

Italian IPO - Euronext

€52m M. Cap / Cleantech

European IPO - New York Stock Exchange

$2.2Bn M. Cap / Energy

Listing - Euronext Access

€250m M. Cap / Hotels

European IPO - Euronext Growth

$550m M. Cap / Tech

M&A - Secondary Listings - Euronext Paris & London

€16Bn M. Cap / Industrials

Upgrade to Euronext Growth

€2.1Bn M. Cap / Real Estate

Spanish Listing - Euronext Access

€28m M. Cap / Packaging

First IPO on Euronext Growth

€46m M. Cap / Tech

IPO - Euronext Growth

€73m M. Cap / Biotech

Italian Listing - Euronext Growth

€84m M. Cap / Finance

International Team

Opportunities are global. Our partners are present in Europe, the US and Asia

Nathanaël Mauclair
Managing Partner
Msc in Finance

20 years of unparalleled experience gained at the heart of leading stock exchanges in the US and Europe.

During his career, Nathanael was involved in over 90 listings originating from 15 different countries.

After attracting numerous French companies on Euronext Paris, Nathanael developed a value proposition to attract foreign companies on Euronext markets. He advised several US companies (private or public) on their capital markets strategy in Europe, including SuccessFactors, BioAmber, Core Laboratories, Knight Capital Group or Vale.

Nathanael worked closely with the venture capital community in Europe to offer an exit opportunity for Life Sciences or Technology funds.

He holds an Msc in Finance from Birmingham University and Clermont-Ferrand Business School.

Thomas Le Doeuff
Managing Partner

10 years supporting companies in accessing the capital markets at Euronext and the New York Stock Exchange.

Thomas advised top executives at small, mid and large organizations on design and execution of their capital markets strategy, including stock market listing, IPO readiness, private capital raising, index inclusion, mergers or delisting.

Thomas managed several US listings of EMEA companies representing $10bn+ in additional market capitalization on the New York Stock Exchange. While working for Euronext, he was involved in the listing process of more than 30 companies on Euronext, Euronext Growth and Euronext Access.

Thomas holds a Masters in Management from ICN Business School and an MBA from the London Business School.

Sam Van

With his extensive background in financial services and broker dealer regulatory compliance experience, Sam successfully listed 46 international companies on the New York Stock Exchange (NYSE) and Euronext.

Sam counseled public companies’ CEO, CFO and COO on crisis management, market conditions, investor perceptions and shareholder concerns that impact stock trading patterns.

Sam has deep knowledge about US capital markets and emerging capital markets throughout Asia. Sam delivers critical advice regarding deal structures, valuation thesis, investment offerings (Private and Public), product due diligence, suitability (KYC), and marketing materials.

He held several positions at the NYSE, FINRA and he is board member of the Asian Financial Society.

Seiko Kawasaki

Seiko has an in-depth knowledge of global financial services industry and has expertise in risk management, regulatory reporting and compliance-related projects with literacy on the most recent framework of new regulatory guidance in the last 20 years.

She started her career at Kleinwort Benson in equity research, and developed further analytical skills at Salomon Brothers, and Tiger Management. She shifted her career focus to the primary capital market to help corporate clients at KPMG, New York Stock Exchange (NYSE), and Japanese major financial institution.

She is a member of AICPA, certified with IFRS program and Forensic Accounting and Internal Control Manager & Securities Sales Representative (Level I & II), authorized by the Japan Securities Dealers Association (JSDA). She received her MA from New York University.

Find us
141 rue Lafayette

75010 Paris

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