This week’s UK tech funding deals include sovereign AI infrastructure firm Valarian, construction industry-focused fintech Saible and more.
UKTN tracked £107.85m worth of UK tech investment this week (13 July to 17 July), a 55% week-on-week decrease across nine funding rounds.
Here’s your weekly roundup of UK tech startup funding deals.
Valarian – £37.3m
Sector: AI
HQ: London
Round: Series A
Investors: New Enterprise Associates (NEA), Lightbank, XTX Ventures, Litquidity Ventures, Sequel and angels
Founded in 2026, Valarian builds a sovereign infrastructure control layer for high-consequence operations.
Risk Ledger – £24m
Sector: Cybersecurity
HQ: London
Round: Series B
Investors: Axiom Equity and Mercia Ventures
Founded in 2017, Risk Ledger operates a network-first supply chain security platform.
Applied Computing – £14.8m
Sector: AI / Energy
HQ: London
Investors: KBR and Databricks Ventures
Founded in 2022, Applied Computing is developing Orbital, a physics-grounded foundation AI model built for heavy energy operations.
Marker – £9.7m
Sector: AI
HQ: London
Round: Seed
Investors: Index Ventures, LocalGlobe, Betaworks, Radical Ventures, Tiny VC, Otherwise Fund and angels
Founded in 2026, Marker develops an AI-assisted word processor designed to write with authors rather than for them.
Silicon Microgravity – £6m
Sector: Semiconductor
HQ: Cambridge
Investors: West Hill Capital and the UK Innovation & Science Seed Fund (UKI2S) managed by Future Planet Capital
Founded in 2014, Silicon Microgravity designs microelectromechanical systems (MEMS) technologies and tactile hardware sensors.
Pixel-Flo – £5.25m
Sector: Deep tech
HQ: Sheffield
Round: Seed
Investors: Northern Gritstone, SCVC, Parkwalk and HTGF
Founded in 2024, Pixel-Flo manufactures advanced continuous coating systems built to bypass mechanical mass transfer bottlenecks.
Prolo – £4.2m
Sector: AI
HQ: London
Round: Seed
Investors: Triple Point Ventures, a16z Scout Fund, Anamcara Capital, Concrete VC, Foundation Ventures, Haatch, Koro Capital, Love Ventures and Portfolio Ventures
Founded in 2025, Prolo operates an automated, AI-driven external procurement platform for the construction sector.
Cue – £3.7m
Sector: AI
HQ: London
Investors: Knife Capital and FAM Investments
Founded in 2015, Cue has built an end-to-end customer service architecture driven by autonomous AI agents.
Saible – £2.9m
Sector: Fintech / Construction
HQ: Birmingham
Investors: Angels
Founded in 2024, Saible has created an automated validation, approval, and escrow audit platform that operates alongside regulated banking partners to release project capital to all tiers of a construction supply chain simultaneously.
