09958102 · Active · incorporated 10 years, 7 months ago · London
AI AI B2B Developer Tools SaaS Series B+
Diffblue develops an AI-powered testing agent that autonomously generates, verifies, and fixes unit tests for enterprise codebases.
Diffblue Limited is a private limited company registered at Companies House under number 09958102, incorporated on 19 January 2016, with a registered office in London. Its current status on the register is active. Its filed nature of business covers other software publishing (SIC 58290), business and domestic software development (SIC 62012) and other research and experimental development on natural sciences and engineering (SIC 72190). Sonde has indexed 133 filings for this company, including 6 funding rounds. Its most recent round closed in November 2025, raising £2.3m.
| Round | Closed | Raised | Price per share |
|---|---|---|---|
| Round 6 | Nov 2025 | £2.3m | £0.85 |
| Round 5 | Oct 2024 | £4.9m | £0.85 |
| Round 4 | Mar 2023 | £6.3m | £0.85 |
| Round 3 | May 2022 | £4.5m | £3.11 |
| Round 2 | Jun 2017 | £17.5m | £177.35 |
| Round 1 | Mar 2016 | £1.6m | £30.00 |
Showing the 11 most recent of 133 filings.
See the complete cap table with every shareholder, founder tags, dilution across 57 share allotments, round-by-round fundraising history, and the full filing timeline — parsed from official Companies House documents.
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