This week’s UK tech funding deals include AI infrastructure for the auto sector group Partly, human resources tech company HR Duo and more.
UKTN tracked £166.65m worth of UK tech investment this week (22 June to 26 June), a 49% week-on-week increase across nine funding rounds.
Here’s your weekly roundup of UK tech startup funding deals.
Partly – £38m
Sector: AI / Automotive
HQ: London
Round: Series B
Investors: DST Global Partners
Founded in 2022, Partly builds frontier AI infrastructure for the automotive parts and repair supply chain, utilising its Interpreter AI model to eliminate analog process inefficiencies in collision repair networks.
Trimtech Therapeutics – £35.6m
Sector: Biotech
HQ: Cambridge
Round: Seed
Investors: Johnson & Johnson Innovation – JJDC, BGF and Cambridge Innovation Capital
Founded in 2025, Trimtech Therapeutics creates novel, highly selective, small molecule targeted protein degraders engineered to cross the blood-brain barrier and combat neurodegenerative and inflammatory diseases.
Isometric – £30m
Sector: AI / Decarbonisation
HQ: London
Round: Series A
Investors: AVP, Lowercarbon Capital, Plural and angels
Founded in 2022, Isometric develops an automated verification platform called Certify that deploys AI agents alongside human reviewers to cross-check operational data and instantly certify industrial carbon removal and sustainability standards.
Astral Systems – £23m
Sector: Deep Tech / Energy
HQ: Bristol
Round: Series A
Investors: Mercia Ventures, Tees River, Daphni, Blast Club, Speedinvest and Playfair Capital
Founded in 2021, Astral Systems designs and commercialises modular multi-state fusion (MSF) reactors to create a high-intensity private fusion neutron source built to manufacture critical medical radioisotopes for cancer treatment.
equipal – £16.25m
Sector: Fintech
HQ: London
Investors: Altum Capital Management
Founded in 2024, equipal operates an embedded point-of-sale asset finance platform for B2B vendors.
Superlight – £15.9m
Sector: EV
HQ: Yateley
Round: Series A
Investors: Engine Ventures and 2150
Founded in 2023, Superlight designs and manufactures purpose-built commercial electric vehicles optimised for middle-mile logistics, utilising aerospace engineering principles and software-centric architecture to maximise volume and delivery efficiency.
Silveray – £5m
Sector: Health tech
HQ: Stockport
Investors: PXN Ventures (via the GMC Life Sciences Fund), Northern Gritstone, Empirical Ventures, ACF Investors, Future Planet Capital (via the UK Innovation and Science Seed Fund) and NPIF II – PXN Equity Finance
Founded in 2018, Silveray develops ultra-thin, flexible X-ray film technology used for non-destructive pipeline and industrial material testing, as well as digital mammography and dental medical imaging.
Houdini Bio – £1.5m
Sector: Health tech
HQ: Cambridge
Round: Pre-Seed
Investors: SCVC (Science Creates), Deep Science Ventures and Cambridge Enterprise VC
Founded in 2025, Houdini Bio is a university spinout using machine learning to design therapeutic DNA sequences that bypass the body’s natural defence systems, improving the longevity and gene expression of cell and gene therapies.
HR Duo – £1.4m
Sector: HR Tech
HQ: Birmingham
Investors: Puma Growth Partners and Enterprise Ireland
Founded in 2021, HR Duo provides an integrated control platform that converges shift rostering, time and attendance tracking, and employment law compliance logic for small-to-medium enterprises with complex frontline workforces.
