Which UK startups are growing

149 venture-backed UK startups at Series A and beyond, ranked by how fast they are hiring. Between them, open roles moved −3 in the last 30 days.

Every company

2 companies
Sort by Open roles, 30-day change, Name or Latest round
CompanySectorLatest roundHQOpen roles30 days
CuspAI
AI for materials discovery. Sponsors visas
AI & Enterprise SoftwareSeries A
$100m, 2025-09
Cambridge22+7
Valarian
Sovereign infrastructure / defence software. Sponsors visas
AI & Enterprise SoftwareSeries A
$50m (£37.3m), 2026-07
London12+2