UK Innovation & Science Seed Fund
Venture capitalLondon · Pre-Seed–Series A · 24 people tracked
Also known as The Rainbow Seed Fund
Investment thesis
UKI2S backs early-stage, ambitious businesses and university/research spinouts across the UK, providing capital and hands-on support from pre-seed through exit. With a 20-year track record, it helps portfolio companies raise further funding, recruit senior talent, build boards, advance DE&I and ESG, and deliver impact. The fund emphasizes co-investment, attracting roughly £25 of private capital for every £1 it invests, and leverages the broader Future Planet Capital network to help science- and technology-driven companies grow and scale.
Source: firm website, verified Aug 3, 2026.
Team · 24 people
from the firm's website & public directoriesWhat they invest in
from 14 of 85 portfolio companiesBiotech ×8Deep Tech ×8AI & Machine Learning ×4AgTech ×3Healthtech ×3Hardware ×2Medical Devices ×2New Materials ×2
HQs:United Kingdom×8
Investments · 85 tracked
founders shown can be your intro pathAtheras Analytics develops AI-based predictive software that forecasts weather-related satellite network outages up to six hours ahead and automates network operations for satellite operators.
AI & Machine LearningDeep TechSpace Tech
Bitrobius Genetics is developing Gentrafix, a plasmid-based technology that delivers DNA into human cells and spreads it to adjacent cells to replace mutated genes.
BiotechDeep TechHealthtech
Cytotrait develops novel traits for crops and food production using proprietary technology to reprogram chloroplast and mitochondrial genomes.
AgTechBiotech
digiLab provides an AI platform called the Uncertainty Engine that helps organizations and governments tackle complex, high-stakes challenges by combining machine learning with uncertainty quantification for safer, more explainable decision-making.
AI & Machine LearningDeep TechEnterprise Software
Prof. Tim Dodwell(Co-Founder & CEO)Dr. Anhad Sandhu(Co-Founder & GM Saudi)Dr. Andrew Corbett(Director of AI)Dr. Nigel Toon(Chairman)Rory Scott Russell(Chief Growth Officer)
Helix Geospace develops patented helical GNSS antennas (Dielectrix) and anti-jamming CRPx technology for resilient Position, Navigation, and Timing (PNT) applications.
Deep TechDefense TechHardware
iFAST Diagnostics develops a rapid antimicrobial susceptibility testing (AST) system that uses a microfluidic impedance chip to measure the electrical properties of individual bacteria, delivering resistant/susceptible and MIC results from Gram-negative blood cultures or bacterial isolates in under three hours.
BiotechHealthtechMedical DevicesWhiteley, GB
Ikarovec is a company focused on age-related macular degeneration (AMD), an eye condition that impairs central vision and can progress from Dry AMD to Wet AMD.
BiotechHealthtech
Enables lower launch costs and scalable capabilities for civil and defence space applications.
Developer of a novel gene modulation technology aimed at transforming gene editing for therapeutics and industrial biotechnology.
Bath, GB
Portfolio news
latest coverage across their companiesTropic · techfundingnews.com · Mar 13, 2026
Frequently asked questions
- What stage does UK Innovation & Science Seed Fund invest at?
- UK Innovation & Science Seed Fund invests at the Pre-Seed, Seed, Series A stages.
- What is UK Innovation & Science Seed Fund's typical check size?
- UK Innovation & Science Seed Fund typically writes checks of $127K – $635K.
- What sectors does UK Innovation & Science Seed Fund focus on?
- UK Innovation & Science Seed Fund focuses on Advanced Manufacturing, Biotech, Cleantech, Climate Tech, Deep Tech, Defense Tech, EdTech, Energy, Hardware, Healthtech, Impact & Social Good, IoT, Medical Devices, SaaS, Sector Agnostic, Space Tech.
- Where is UK Innovation & Science Seed Fund located?
- UK Innovation & Science Seed Fund is headquartered in London, GB.
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