Mindstone
Also known as Mindstone Management, Mindstone Capital
Paris single family office of Optimind founder Christophe Eberlé; invests own capital in €5–15m majority or minority stakes in profitable French/European firms, plus property and liquid assets.
USEFUL FOR Founders · Business owners seeking a long-term partner · Co-investors
Not Mindston / Mindston Capital (Paris, 169 boulevard Haussmann), an unrelated group.
Family & background
- FAMILY
- Eberlé (Christophe Eberlé)
- WEALTH ORIGIN
- Optimind (risk-management consulting, sold to Accenture in 2023)
- HEADQUARTERS
- Paris, France
- FOUNDED
- 2024
- OUTSIDE CAPITAL
- No — own capital only
Investment approach
- GEOGRAPHY
- France
- STAGES
- SeedGrowthBuyout
- ROUTES
- Companies (own capital)
- STRATEGIES
- Private equityVenture capitalReal estate
- TICKET
- €5M–€15M
Overview
Mindstone is the single family office that Christophe Eberlé structured in 2024 after selling Optimind, the risk-management consulting group he founded in 2000, to Accenture in 2023. Its private-equity practice invests 100% proprietary capital in €5–15m majority or minority stakes, alone or as co-investor, in established, EBITDA-positive French and European companies with revenue above €5m. It also runs a fully deployed seed portfolio (€100k–1m tickets), a property strategy and a liquid portfolio managed through external managers. Current private-equity holdings are Iskera, Crème de la Crème and Les Petits Culottés.
Investment thesis
Sector-agnostic growth, LBO, carve-out and family-transfer deals in profitable French/European companies (revenue above €5m), €5–15m tickets with flexible exit horizons.
Holdings & investments (16)
- IskeraNOTABLESoftware & SaaS · since 2026
- Crème de la CrèmeSoftware & SaaS · since 2025
- Les Petits CulottésConsumer & E-commerce · since 2025
- DeltaRMFintech
- FlitterFintech
- MirabelleFintech
- ZiwigHealthTech
- DylogyArtificial Intelligence
- Aleph NetworksSoftware & SaaS
- Jay & JoyFood & Agriculture
- MaslowFood & Agriculture
- CaarlSoftware & SaaS
- Education
- Software & SaaS
- Consumer & E-commerce
- Food & Agriculture
People
Frequently asked questions
Mindstone is a single family office based in Paris, France, founded in 2024.
Mindstone invests on behalf of the Eberlé (Christophe Eberlé) family (Optimind (risk-management consulting, sold to Accenture in 2023)).
Mindstone invests its own capital into companies. Its stated asset mix includes private equity, venture capital and real estate.
Mindstone invests at Seed, Growth and Buyout stages in Software & SaaS, Fintech, Consumer & E-commerce, Food & Agriculture and HealthTech.
Mindstone's stated ticket size is €5M–€15M.
Key people at Mindstone include Christophe Eberlé (Founding Partner), Julie Smithwhite (Partner (head of private equity)), Baptiste Brun (Analyst) and Priscilla Garnier (Chief of Staff).
Mindstone's holdings and investments include Iskera, Crème de la Crème, Les Petits Culottés, DeltaRM, Flitter, Mirabelle, Ziwig and Dylogy, among others.
The most recent publicly reported investment by Mindstone is Qualitadd (via Iskera) (Add-on acquisition by portfolio company Iskera (not a direct Mindstone investment)), announced in May 2026.
No. Mindstone invests its own capital and does not raise money from outside investors.