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Top Series A Companies in the UK 2026
Series A companies based in the United Kingdom — UK startups that have crossed the first major institutional funding milestone.
As of September 2026, these 100 companies have raised $5.7B in combined funding.
Showing top 100 of 337 matching companies · Ranked by total funding raised · Data updated Sep 24, 2026
Methodology: 337 active companies matched this list's filters; the top 100 are ordered by disclosed total funding in USD. Companies whose latest round is one of: Grant are excluded. Totals include recorded grants and other qualifying funding, not just equity. Open a company profile for its funding summary and available detail. How this data is built.
