Duku
London, GB · Founded 2025 · 15 employees on LinkedIn · 3 known investors
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Duku is an AI-agent-based testing tool that explores a product from its URL like real users, maps every state and transition into a coverage graph, and runs automated tests on critical user flows via a GitHub Action on each pull request. It targets engineering teams to catch UI and functional bugs that traditional test suites miss, without requiring manual test scripts.
Founders & leadership
Duku was founded in 2025 by Will Lewis.
WL

Will LewisCo-Founder | CTOWill Lewis held engineering roles at Meta, Badoo, Lyst, and Fiit, where he worked on large-scale systems and fast-moving product teams. He is the founder of Duku, an AI-agent-based testing platform that automatically explores products to identify UI and functional bugs without manual test scripts.
Investors · 3
Frequently asked questions
- What does Duku do?
- Duku is an AI-agent-based testing tool that explores a product from its URL like real users, maps every state and transition into a coverage graph, and runs automated tests on critical user flows via a GitHub Action on each pull request. It targets engineering teams to catch UI and functional bugs that traditional test suites miss, without requiring manual test scripts.
- Who founded Duku?
- Duku was founded by Will Lewis in 2025.
- Who are Duku's investors?
- Duku's investors include Antler, Celero Ventures Ltd., Haatch.
- Where is Duku headquartered?
- Duku is headquartered in London, GB.


