All Rankings

Top Seed-Stage Companies in the UK 2026

Private companies headquartered in the United Kingdom whose latest recorded round was seed or pre-seed, ranked by disclosed lifetime funding.

Known total funding for 100 of 100 ranked companies: $2.7B.

Showing top 100 matching companies · Ranked by total funding raised

Use company data through the API.
Example request
curl "https://indexed.vc/api/v1/companies?countries=United+Kingdom&operatingStatus=active&sort=total_funding_raised&order=desc&limit=100" -H "X-API-Key: YOUR_API_KEY"

The API has no funding stage filter, so this includes every stage, not only Seed or Pre-Seed.

The API has no company type filter, so public companies can appear; this list counts private companies only.

The API cannot leave out companies whose latest round is a grant; this list does.

Data from Indexed.vcUpdated

Methodology: up to 100 active companies matching this list's filters are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.

76
Emm

UK-based femtech startup developing smart menstrual cups with health tracking technology.

London, United Kingdom1–10Healthcare
SeedTotal funding$9.0MNov 2025
77
FLock.io

AI infrastructure

London, United Kingdom11–50Artificial Intelligence, Developer Tools
SeedTotal funding$9.0MMar 2024
78
Metica

Metica helps game studios grow by combining user acquisition, in-game monetization, and AI-driven...

London, United Kingdom11–50Artificial Intelligence, SaaS
SeedTotal funding$9.0MJan 2025
79
AbbeyCross

Commercial FX payment platform providing price transparency and exchange rates to emerging markets

London, United Kingdom11–50Fintech
SeedTotal funding$9.0MDec 2023
80
Healthtech 1

Automating repetitive processes in healthcare

London, United Kingdom11–50Digital Health, Healthcare
SeedTotal funding$8.8MJan 2026
81
CoSyne Therapeutics

Transforming drug discovery through polymathic AI

London, United Kingdom11–50Artificial Intelligence, Biotech
SeedTotal funding$8.8MMay 2022
82
Captur

Captur provides real-time image AI and SDKs for mobile apps that validate every photo users captu...

London, United Kingdom11–50Artificial Intelligence, Logistics
SeedTotal funding$8.8MMar 2026
83
Ameba

AI-driven supply chain analytics and data automation

London, United Kingdom11–50Supply Chain
SeedTotal funding$8.7MOct 2024
84
Atoa

Open Banking-based payment solution for UK businesses

London, United Kingdom11–50Fintech, Payments
SeedTotal funding$8.7MJun 2023
85
Clean Food Group

Yeast-derived oils company

Barnet, United Kingdom1–10Biotech, Food Tech
SeedTotal funding$8.7MApr 2026
86
Lorum

Specialist correspondent banking platform providing global clearing and cash management for finan...

London, United Kingdom11–50Fintech, Payments
SeedTotal funding$8.6M
87
Tortus AI

AI medical scribe platform that automatically listens and creates clinical notes, letters, and co...

London, United Kingdom11–50Artificial Intelligence, Healthcare
SeedTotal funding$8.5MFeb 2024
88
Calimero

Calimero provides an open-source protocol for groups to run confidential applications on their de...

London, United Kingdom11–50Crypto & Web3, Developer Tools
SeedTotal funding$8.5MJan 2023
89
Cardiatec

AI-powered cardiovascular drug target discovery platform

Cambridge, United Kingdom11–50Artificial Intelligence, Biotech
SeedTotal funding$8.4MSep 2024
90
Palabra.ai

Palabra.ai develops AI-driven simultaneous speech interpretation to connect people across linguis...

London, United Kingdom1–10Artificial Intelligence, SaaS
Pre-seedTotal funding$8.4MAug 2025
91
XRlabs

XRlabs develops a wearable surgical visualization platform, bringing together clinicians, immersi...

London, United KingdomArtificial Intelligence, Healthcare
SeedTotal funding$8.4MOct 2026
92
Opna

Opna builds market infrastructure to mobilise and finance mission-critical power equipment for Eu...

London, United KingdomClimate Tech, Fintech
SeedTotal funding$8.3MSep 2023
93
Sikoia

AI-powered document, income and affordability verification for financial services, automating onb...

London, United Kingdom11–50Artificial Intelligence, Data & Analytics
SeedTotal funding$8.3MFeb 2023
94
Lucida AI

Speech-to-speech AI platform for global communication and language coaching.

London, United Kingdom11–50Artificial Intelligence, EdTech
SeedTotal funding$8.3MJun 2026
95
Hormona

Digitalized hormonal health powered by AI & at home testing

Weybridge, United Kingdom1–10Femtech, Healthcare
SeedTotal funding$8.1MMay 2025
96
Charter Space

Charter is developing logistics software for satellite companies to streamline missions and reduc...

London, United Kingdom11–50Space Tech, Supply Chain
SeedTotal funding$8.0MOct 2026
97
Eunice

AI-powered platform for institutional investors that enhances due diligence processes.

London, United Kingdom11–50Artificial Intelligence, Fintech
SeedTotal funding$8.0MMar 2026
98
Hirundo

The Machine Unlearning Platform - Find and Remove Unwanted Data from your AI Models & Datasets

London, United Kingdom11–50Smart Cities, Artificial Intelligence
SeedTotal funding$8.0MDec 2025
99
igent

iGent AI builds Maestro, a conversational AI platform that brings engineering intelligence to sof...

London, United Kingdom1–10Artificial Intelligence, Developer Tools
SeedTotal funding$8.0MOct 2024
100
Neuranics

Neuranics specialises in scalable TMR quantum sensing solutions, developing deep technology for m...

Glasgow, United Kingdom11–50Artificial Intelligence, Hardware
SeedTotal funding$8.0MApr 2025