Active, entrepreneurial minority shareholder

Since 2011, we make medium to long-term minority stake investments to support the development of profitable companies, seeking to accelerate their growth through innovation, external growth and/or international expansion.


Investing in 1 to 2 companies per year to build a portfolio of 15 to 20 holdings

30-50 M €
Private (100-300M/€) equity value
Target companies
Profitable SMEs
Sustainable growth sector
Usually Western Europe


Finnish developer and asset manager of renewable projects, mainly wind farms

Italian producer of premium 100% organic jams and spreads

Develops smart bed systems to help prevent falls and pressure sores

Producer of dental equipment and consumables

France's leading homecare provider for dependent elderly and disabled people

French leader providing support solutions for health facilities and across the full patient medical journey

Leader of innovative enterprise software solutions based on SharePoint Microsoft technologies

Global provider of Earth monitoring and surveillance solutions to understand and protect our planet, but also to manage its resources sustainably.

High-end manufacturer of mechatronic components

Developer and operator of coliving and coworking real estate projects

International bilingual school with 600 students aged 3 to 18 representing 45 nationalities

Swiss group of multilingual private childcare centers


  • Developer of photovoltaic power stations

  • CoorpAcademy develops and produces MOOC (Massive Open Online Courses) solutions for corporates

  • Marketing of scaffolding equipment

  • A group of famous Parisian "Grandes Brasseries"

  • Psychiatry and psychotherapy day center

  • Wind farms in southern Europe, with a generating capacity of 194 MW

  • Biometric authentification solutions

  • The 76 MW wind farm in southern Sweden - one of the best areas for onshore wind power in Europe

  • Management of multiresort ski passes

  • Specialising in renewable energies and more particularly in the production of charcoal, green electricity and heat


A team of professionals with diverse and complementary backgrounds selects and supports companies

Sébastien Beth

Sébastien Beth

CEO, S.I.GN Partenaires SA, Director, Private Equity Department
Jean-Philippe Carvaillo

Jean-Philippe Carvaillo

Associate Director Private Equity Direct, Head of Private Debt
Benoit Junique

Benoit Junique

Private Equity Manager
Dorothée François

Dorothée François

Senior Analyst Market Intelligence
Julien Leclerc

Julien Leclerc

Private Equity Analyst
Adrien Lehmann

Adrien Lehmann

Private Equity Analyst

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