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Sie Ventures

Venture Capital

London-based venture platform backing early-stage, women-led startups across the UK and Europe through direct investment and founder programs.

London · 5+ investments · 5 portfolio companies

Pre-Seed
Seed
Artificial Intelligence
Climate Tech
Digital Health
Fintech
SaaS
Headquarters
London
Website
sie.ventures
Portfolio Companies
5
Total Investments
5
Last Investment
Sep 2025
Geographic Focus
Europe, United Kingdom

Investment Thesis

Backs diverse, female founding teams challenging the status quo in AI, deep tech, fintech, healthcare and sustainability to close the gender venture funding gap.

Sie Ventures is a Venture Capital firm based in London. It has made 5 investments, including ForceManager, Rosaly and Shareback. Focus areas include Artificial Intelligence and Climate Tech.

Portfolio5

Co-investors21

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21 co-investors across 20 shared portfolio companies — who they back alongside, and how often they lead.

Venture Capital ×18 · Growth Equity ×1 · Accelerator ×1 · 16 shared rounds

Investment History

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