Ecosystem Registry

South East Investment Fund (SEIF)

Investor or fund · United Kingdom

GBP 210 million British Business Bank fund for South East SMEs: equity up to GBP 5 million (Maven) plus microfinance and debt (FSE Group), covering Buckinghamshire, Oxfordshire, Berkshire, Hampshire and the Isle of Wight, Sussex, Surrey and Kent.

Recent activity confirmed, checked October 18, 2026.

4 relationships with other organizations documented in IE research. Members see who they are and the evidence.

In context

South East Investment Fund (SEIF) is one of 114 investors and funds in the United Kingdom listed in the Innovative EcoSystems registry.

Investors and funds supply the capital that lets startups and growing companies scale, from angel networks to venture and growth funds.

The United Kingdom scores 67.4 out of 100 on the IEPA (2024 edition), ranking 24 of 117 economies.

See the United Kingdom on the IEPA ↗