Private Equity FundPuts its own capital into companiesActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 16 SOURCES

Siparex

Also known as Groupe Siparex, Sigefi Private Equity

Independent French private equity group (Lyon and Paris) investing from start-ups (XAnge) to mid-caps through buyout, mezzanine and regional funds; €4.3bn under management (2024).

HEADQUARTERS: Lyon, France
FOUNDED: —
AUM: €4.3B (2024)
OUTSIDE CAPITAL: Yes
TEAM LISTED: 10 people

Focus

STAGES: Series AGrowthBuyout
SECTORS: Industrial & Manufacturing Climate & Energy
ASSET MIX: Private equityVenture capitalPrivate credit
GEOGRAPHY: FranceEurope

Investment arms & vehicles

XAnge
Innovation (venture capital) brand of the Siparex group; Series A tickets of €3M–€10M in data, trust, care and impact

Overview

Siparex is an independent French private equity group, 60% owned by its partners and 40% by Siparex Associés, a sponsor holding of the main subscribers to its funds. Its platform covers mid-cap buyouts (Siparex ETI), small and mid-cap private equity (Midcap, Entrepreneurs, Territoires), mezzanine (Intermezzo), venture capital under the XAnge brand, energy-transition growth (TiLT Capital) and the Fonds France Nucléaire. It reports €4.3bn under management (2024), eight strategies and nine offices, three of them outside France. The regulated management company is Sigefi Private Equity, based in Lyon.

Investment thesis

ETI: growth mid-caps with revenue up to €500M, €20M–€50M tickets. Midcap: €5M–€30M. Entrepreneurs: growth SMEs with €5M–€50M revenue, €2M–€8M tickets, for expansion or transmission. Territoires: SMEs and mid-caps in Auvergne-Rhône-Alpes, €0.5M–€9M minority or majority tickets. Mezzanine (Intermezzo): companies with €10M–€300M revenue, €3M–€30M underwritten. XAnge: Series A, €3M–€10M.

PORTFOLIO (12)

KOALYS (DIAGAMTER)
Real Estate & PropTech · since 2026
Kiping
Climate & Energy
SCALES-ADEKma
Industrial & Manufacturing
Corali
Industrial & Manufacturing
ADDEV Materials
Industrial & Manufacturing
ATK Sports
Consumer & E-commerce
AXE Group
Mobility & Logistics
Asia
Consumer & E-commerce
123 Elec
Consumer & E-commerce
NovaKamp
Industrial & Manufacturing
SAF Aerogroup
Negratín
Climate & Energy

People

Bertrand Rambaud
Président de Siparex · source
Cyril Bertrand
Managing Partner, XAnge · source
Pierre Bordeaux Montrieux
Managing Partner, Siparex Midcap · source
Richard Dalaud
Managing Partner, Siparex Mezzanine · source
Nicolas Eschermann
Managing Partner, Investor Relations & Business Development · source
Cyril Fromager
Managing Partner, Siparex Entrepreneurs · source
Florent Lauzet
Partner Groupe, Siparex ETI · source
Nicolas Piau
Partner Groupe, Partner TiLT, Président du Directoire · source
Céline Joubert
Partner Groupe, Chief Operating Officer · source
Marie-Clothilde Vial
Partner Groupe, Secrétaire Général · source

Frequently asked questions

Siparex is a private equity fund based in Lyon, France.

Yes. Siparex invests its own capital in private companies.

Siparex invests at Series A, Growth and Buyout stages in Industrial & Manufacturing and Climate & Energy.

Siparex's stated ticket size is €500K–€50M.

Key people at Siparex include Bertrand Rambaud (Président de Siparex), Cyril Bertrand (Managing Partner, XAnge), Pierre Bordeaux Montrieux (Managing Partner, Siparex Midcap) and Richard Dalaud (Managing Partner, Siparex Mezzanine).

Siparex's investments include KOALYS (DIAGAMTER), Kiping, SCALES-ADEKma, Corali, ADDEV Materials, ATK Sports, AXE Group and Asia, among others.

The most recent publicly reported investment by Siparex is KOALYS (Majority stake (Siparex Entrepreneurs 6)), announced in Sep 2026.

Yes. Siparex manages capital from outside investors.