56 Series A startups in the UK (free list)
Track funded series a companies, founders and investors across the UK startup ecosystem.
Updated daily by John-Pierre ClarkUpdated daily by John-Pierre Clark
1 Explore 56 UK series a startups and their founders, who have collectively raised £1.16B.
2 Easily sort, filter, and compare the UK's top startups — customise the list to your needs.
3 Discover top startups for investment, B2B sales, partnerships, hiring, and industry connections.
You can connect with fast-growing series a startups with the full list of recently funded startups from the UK.
UK Series A startup insights
Series A is the stage where UK startups move from early validation to scaling go-to-market, hiring and product. London remains the main hub, with strong regional activity in Manchester, Cambridge, Edinburgh and Bristol.
This page lists companies where the latest funding round is explicitly recorded as Series A in our database — not every large round above £4M. That keeps the list aligned with how founders and investors describe the round, rather than deal size alone.
Snapshot of the UK Series A landscape
- Active across fintech, SaaS, AI, healthtech and climate technology
- Key hubs include London, Manchester, Cambridge and Edinburgh
- Rounds are institutionally led Series A financings, not amount-based growth buckets
- Investors include early-growth VCs, specialist funds and international co-investors
- Teams are usually scaling sales, hiring and international expansion
Use this page to explore UK startups that have raised Series A, then open individual profiles for websites, investors, locations and round details.
Related Series A funding and scaleup resources
Frequently asked questions
Series A startups are companies that have raised a formal Series A equity round, typically after seed funding and before larger growth or Series B financings. On Startupmag, this list includes UK startups where the funding round is explicitly tagged as Series A.
The growth startups page lists UK companies that raised more than £4M based on deal size. The Series A page only includes startups where the round is labelled Series A in our data, regardless of amount. A large seed round would not appear here unless it is tagged Series A.
Series A rounds are usually led by venture capital firms that focus on early growth. Founders typically show repeatable revenue or strong usage, a clear go-to-market plan, and evidence that capital will accelerate hiring, sales and product development.
Series A investors look for product-market fit signals, credible unit economics, a scalable acquisition channel, and a team that can execute through the next 18–24 months. Traction, retention and market size matter more than at pre-seed or seed.
Series A activity in the UK is common in fintech, SaaS, AI, healthtech, climate technology, cyber security and B2B software. London leads deal volume, with Manchester, Cambridge, Edinburgh and Bristol also active.