Empowering fearless founders shaping the future of tech

Sienna Venture Capital, backed by Groupe Bruxelles Lambert (GBL), is a European tech investment firm partnering with exceptional founders to build transformative technology companies across innovative sectors.

Meet the team

We identify and fund the most promising tech entrepreneurs globally, with a focus on building standout businesses through our robust, proprietary dealflow.

All investments

Unleash

Generative AI

2024

Unleash is a Gen-AI based search engine that simplifies knowledge management within enterprise

DustPhotonics

Semiconductor

2023

DustPhotonics is enabling the next generation of data centers through silicon photonics technology

Ibex

Digital health

2023

Ibex is revolutionizing cancer diagnostics with its AI imaging solution

Nexar

Mobility

2023

Nexar is a global leader in AI-powered solutions, providing real-time mapping

SupPlant

Agritech

2023

SupPlant is developing an AI solution that helps farmers make better everyday irrigation decisions

Incredo

Foodtech

2022

Incredo is revolutionizing the sugar industry with a unique sugar-based technology

Our story

Isabelle, Thomas, and Mikaël have been a dynamic team for over a decade, working together to drive growth and innovation in the tech sector. Their journey began in an investment holding co-founded by Isabelle, where they played pivotal roles in launching multiple venture capital funds.
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Building on their success, they went on to establish Sienna Venture Capital, a subsidiary of Sienna Investment Managers, backed by Groupe Bruxelles Lambert (GBL), combining their expertise to support disruptive technologies and visionary founders.

We focus on transformative sectors such as artificial intelligence, cybersecurity, and agrifoodtech, among others, with investment tickets ranging from $5 million to $10 million