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Single Family OfficePuts its own capital into companiesActive · deal in last 18 monthsLAST VERIFIED Oct 2026 · 4 SOURCES

FG Bros

Brussels family office of Ségolène Frère and Ian Gallienne, set up in 2021; takes €5–50M minority stakes in health, B2B services and consumer companies.

USEFUL FOR Fund managers raising capital · Business owners seeking a long-term partner · Co-investors

Family & background

FAMILY
Frère-Gallienne
HEADQUARTERS
Brussels, Belgium
FOUNDED
2021
OUTSIDE CAPITAL
No — own capital only

Investment approach

SECTORS
Consumer & E-commerceHealthTech
GEOGRAPHY
Europe
STAGES
Growth
ROUTES
Companies (own capital) · Funds (as LP)
STRATEGIES
Direct investmentsPrivate equity
TICKET
€5M–€50M
LATEST DEAL
Sienna Private Equity (Shareholding acquired from GBL in a consortium with CNP and Impala) · Jun 2026

Overview

FG Bros is the Brussels-based family office of Ségolène Frère and her husband Ian Gallienne, incorporated as a public limited company in April 2021. It takes passive or influential minority stakes of €5–50M, focusing on health, business services and premium consumer goods, and also has exposure to private equity funds. Disclosed deals include a 20% stake in French pharmacy skincare brand La Rosée (2023), a minority stake in Belgian supplements brand Insentials alongside Eutopia (2025), and a share in Sienna Private Equity, bought from GBL with CNP and Impala (2026).

Holdings & investments (3)

  • Sienna Private Equity
    since 2026
  • Insentials
    Consumer & E-commerce · since 2025
  • La Rosée
    Consumer & E-commerce · since 2023

People

  • Evrard de Montgolfier
    Head of the family office · source
  • Ségolène Frère
    Director · source
  • Ian Gallienne
    Director · source
  • Gerardo Braggiotti
    Director · source
  • Jean-Baptiste Douville de Franssu
    Director · source
  • Jacques Peters
    Director · source
  • Khaled Said
    Director · source

Frequently asked questions

FG Bros is a single family office based in Brussels, Belgium, founded in 2021.

FG Bros invests on behalf of the Frère-Gallienne family.

FG Bros invests its own capital into companies and in third-party funds as an LP. Its stated asset mix includes direct investments and private equity.

FG Bros invests at Growth stage in Consumer & E-commerce and HealthTech.

FG Bros's stated ticket size is €5M–€50M.

Key people at FG Bros include Evrard de Montgolfier (Head of the family office), Ségolène Frère (Director), Ian Gallienne (Director) and Gerardo Braggiotti (Director).

FG Bros's holdings and investments include La Rosée, Insentials and Sienna Private Equity.

The most recent publicly reported investment by FG Bros is Sienna Private Equity (Shareholding acquired from GBL in a consortium with CNP and Impala), announced in Jun 2026.

No. FG Bros invests its own capital and does not raise money from outside investors.