Fund profile / United Kingdom

Arāya Sie Fund

Geography: United Kingdom
Stage: Pre-Seed
Fund size: £7.5M
Focus: AI/ML, Climate & Sustainability, Deep Tech and Defense
Signals: Published

N°01 / About

About Arāya Sie Fund

The Arāya Sie Fund is a joint vehicle between Arāya Ventures (Rupa Popat) and Sie Ventures (Triin Linamagi), targeting up to 40 women-led startups in AI, deeptech, defence, spacetech, fintech, healthcare, and sustainability. £7.5M first close on a ~£20M target, with over half of LPs being women. British Business Bank participates via the Regional Angels Programme. Checks of £100K-£300K across UK (70%) and Europe (30%).

N°02 / Thesis

Investment Focus

Location / RegionUnited Kingdom

Funding StagePre-Seed

Industry Focus

AI/ML

Climate & Sustainability

Deep Tech

Defense

Digital Health

FinTech

Space

Investor Signals Profile

active

Sweet Spot

Women-led pre-seed deeptech, UK/Europe, EIS-compliant

women-founders

deeptech

defence

spacetech

UK-Europe

EIS-eligible

AI-moat-analysis

agentic-AI

post-model-defensibility

Bullish Signals

British Business Bank anchor participationblog

Two-platform merged deal flow advantageblog

Over 50% women LPs, aligned ecosystemblog

EIS webinar signals active LP education pushlinkedin

Strategic tax-relief positioning attracts UK angelslinkedin

Hiring Founder's Associate, expanding team capacitylinkedin

Screening for durable AI moats post-modelcontent

Only four agentic AI moats survive next releaseexternal

Contrarian Signals

£7.5M first close, small fund sizeblog

Women-only mandate narrows universeblog

AI defensibility bar high, few qualifiedcontent

Most agentic AI moats collapse post-releaseexternal

Founder Do's

Be women-led founding team

Build deeptech, defence, or spacetech

Target UK or European market

Show defensible IP/technical moat

Align with EIS tax-efficient structure

Focus on AI defensibility post-model-release

Design moat that survives next model

Founder Don'ts

Pitch consumer-only or DTC plays

Ignore 70% UK allocation bias

Expect checks above £300K

Build AI moat purely on model advantage

26 signals on Arāya Sie Fund

8 bullish · 4 contrarian · 7 pitch do's · 4 don'ts · 3 GP profiles, each with its source. From €9/month, cancel anytime.

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Facts

Fund Overview

Fund Size£7.5M

Saves0

Website

People

Key People

Rupa Popat, Triin Linamagi

Rupa PopatCo-Founder & GP

Triin LinamagiCo-Founder & GP

Philip HareAdvisor

Backers

Known LPs

British Business BankPublic / State institution

Morgan Stanley Investment ManagementAsset manager / Investment firm

JPMorganBank

+2 more LPs in LP Radar

N°04 / See also

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