Series A investors in the UK
Venture-stage companies have raised several rounds and are typically at Series A or beyond, where institutional funds lead and earlier angels follow on. 5,483 investor-backed series a companies are in Pulse, and 373 raised a first funding round in the last year.
- Investor-backed companies
- 5,483
- Active investors, 2 years
- 32,364
- Rounds, 2 years
- 7,352
- Median round
- £250k
Who is investing
In the last two years 5,725 funds, firms and family offices and 26,537 angels took shares in series a companies, with the latest round in Nov 2026. These are the firms backing the most of these companies:
| Firm | Type | Companies |
|---|---|---|
| SFC Capital | Fund or investment firm | 138 companies |
| SyndicateRoom | Fund or investment firm | 124 companies |
| Odin Investments Limited | Fund or investment firm | 115 companies |
| SyndicateRoom BBI | Fund or investment firm | 86 companies |
| Ascension | Fund or investment firm | 71 companies |
| SFC BBI | Fund or investment firm | 58 companies |
| Octopus Ventures | Fund or investment firm | 57 companies |
| Haatch | Fund or investment firm | 56 companies |
See all 32,364 active investors, including angels, with what they've backed, estimated cheque sizes and who they invest alongside.
Rounds and valuations
Over the last two years, 7,352 funding rounds were raised by series a companies, an estimated £5.60bn, with a median round of about £250k. 373 of the companies raised their first priced round in the last 12 months. 37% of these valuations carry a High confidence rating.
How Series A companies compare
Series A-stage companies make up 7% of the 74,284 investor-backed companies in Pulse. The median round of £250k is above the £176k median for the whole UK market. The leading sectors are software & it (1,971), business services (761) and retail & ecommerce (421). The most active firm in these companies is SFC Capital, in 138 companies.
Questions
How many investors back series a companies?
Pulse found 32,364 outside investors taking shares in series a companies in the last two years: 5,725 funds, firms and family offices, and 26,537 angels.
How much do series a companies raise?
Over the last two years 7,352 rounds were raised, an estimated £5.60bn in total. The median round was about £250k.
How accurate are the amounts?
They are Pulse estimates, each with a confidence rating. 37% of recent valuations here carry a High confidence rating; the rest are marked Medium or Low.
Can I see every investor?
Pulse subscribers see every outside investor by name, with portfolios and co-investors, from £39.99 a month plus VAT (£47.99 inc. VAT). Contact details are not included and names are not linked to personal profiles.