This week’s UK tech funding deals include battery energy intelligence company Gaussion, digital biomarker platform Neuronostics and more.
UKTN tracked £60.1m worth of UK tech investment this week (29 June to 3 July), a 64% week-on-week decrease across six funding rounds.
Here’s your weekly roundup of UK tech startup funding deals.
Gaussion – £21m
Sector: Energy
HQ: London
Round: Growth
Investors: BGF, AlbionVC, Autotech Ventures, UCL Technology Fund, DN Capital and Future Ventures
Founded in 2021, Gaussion develops energy intelligence technology for battery packs.
StirlingX – £15m
Sector: Defence Tech
HQ: London
Round: Series A
Investors: Ventura Capital and RCM Private Markets Master Fund (managed by Rokos Capital Management US)
Founded in 2025, StirlingX builds a sovereign data intelligence and autonomy platform that allows defence and critical national infrastructure organisations to securely capture, fuse, and act on high-value mission data in contested or sensitive environments.
geoSurge – £9.4m
Sector: AI
HQ: London
Round: Seed
Investors: AlbionVC, Play Ventures, Octopus Ventures, Celero Ventures, Boost Capital, Passion Capital, Tuesday Capital and angels
Founded in 2025, geoSurge provides enterprise brand visibility tools powered by its proprietary “Corpus Engineering” framework.
Lucida AI – £5.3m
Sector: Edtech / AI
HQ: London
Round: Seed
Investors: Velocity Capital, Next Tier Ventures, Look AI Ventures, Bogazici Ventures, Yapı Kredi Frwrd Ventures and Ünlü & Co
Founded in 2024, Lucida AI develops a speech-native conversational language coaching platform.
Build – £6.4m
Sector: AI / Construction
HQ: London
Round: Seed
Investors: Index Ventures, Pebblebed, Puzzle Ventures and Tiny.vc and angels
Founded in 2025, Build operates an AI-native infrastructure intelligence platform.
Neuronostics – £3m
Sector: Health Tech / Medtech
HQ: Bristol
Round: Growth
Investors: Empirical Ventures, The FSE Group, British Business Bank (South West Investment Fund), Ascension Ventures, QantX, New Wave Venture Partners, Angel Investors Bristol and Innovate UK
Founded in 2018, Neuronostics develops BioEP, a patented digital biomarker platform.