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Single Family OfficeAllocates capital directlyLAST VERIFIED Oct 2026 · 5 SOURCES

Jezby Ventures

Also known as Jezby, JEZBY VENTURES SAS

Roubaix investment company of OVHcloud founder Octave Klaba (2020); controls Qwant and Shadow via Synfonium and backs SaaS, cloud, digital-training, wind-energy and music ventures.

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Roubaix investment company owned by OVHcloud founder Octave Klaba. Separate from OVHcloud, the listed cloud provider.

Family & background

FAMILY
Klaba
WEALTH ORIGIN
Cloud computing (founder of OVHcloud)
HEADQUARTERS
Roubaix, France
FOUNDED
2020

Investment approach

STAGES
Buyout
ROUTES
Direct investments
INBOUND
Accepts submissions

Overview

Jezby Ventures is an investment company created and owned by Octave Klaba, founder of OVHcloud; it was registered in Roubaix in June 2020. In April 2021 the Paris Commercial Court chose Octave Klaba's takeover offer for cloud-PC company Blade (Shadow), with a €5 million purchase price, 15% of the capital for employees and a proposed €32 million investment envelope. In June 2023 Klaba announced that Synfonium, 75% owned by Deep Code and Jezby Ventures and 25% by Caisse des Dépôts, would acquire 100% of search engine Qwant and of Shadow. Its website lists five fields (SaaS, IaaS and PaaS, digital training, renewable energy and music production) and about fifteen ventures it backs, including C12 Quantum Electronics, Lettria, api.video, PowerZ, Simplon and Poweend.

Investment thesis

Supports disruptive initiatives in five areas of digital transformation — sovereign SaaS, cloud infrastructure and platforms (IaaS & PaaS), inclusive digital training, renewable energy built on European industrial technology, and industrialised music production — with an 'ecosystem, not a portfolio' approach.

Holdings & investments (15)

INVESTMENT ARMS & VEHICLES

  • Synfonium
    Holding set up in 2023 to own 100% of Qwant and Shadow; 75% held by Deep Code and Jezby Ventures, 25% by Caisse des Dépôts

HOLDINGS & INVESTMENTS · MOST RECENT FIRST

People

Classification

Single Family Office. Manages one family's own capital, with no outside investors. The family bears every loss. How family capital is classified →

FAQ

Jezby Ventures is a single family office based in Roubaix, France, founded in 2020.

Jezby Ventures invests on behalf of the Klaba family (Cloud computing (founder of OVHcloud)).

Jezby Ventures invests directly in companies.

Jezby Ventures invests at Buyout stage in Software & SaaS, Deep Tech, Artificial Intelligence, Education, Climate & Energy and Media & Entertainment.

Key people at Jezby Ventures include Octave Klaba (Founder).

Jezby Ventures's holdings and investments include Qwant, Shadow (Blade), C12 Quantum Electronics, Lettria, api.video, PowerZ, Poweend and MFF Records, among others.

The most recent publicly reported investment by Jezby Ventures is Qwant (via Synfonium) (Agreement to acquire 100% of Qwant through Synfonium (75% Jezby Ventures and Deep Code, 25% Caisse des Dépôts)), announced in Jun 2023.

Jezby Ventures states that it accepts submissions.