Portfolio Co Investors 2026 for British Business Bank: investors, rounds, and co-investor patterns from StartupFundraising.com research, updated for 2026.
British Business Bank accounts for 9 tracked companies with verified cap-table data, 9 of which disclose round sizes totalling $2.2B. The median disclosed raise is $175M, and the largest is Thought Machine at $636M, ahead of MarketFinance ($536M) and Quantum Motion ($251M).
The names that recur most often on these co-invested cap tables are British Business Bank (9 companies), Molten Ventures (2 companies), British Patient Capital (2 companies), ING Ventures (1 company), Lloyds Banking Group (1 company), Standard Chartered Private Equity (1 company). By latest disclosed round, the market skews Series B (3), Series C (2), Series A (2), Series D (1).