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Poindexter Labs provides collaborative data annotation services for training AI models.
Poindexter Labs develops syncronus, a platform for collaborative data annotation and peer review. Its services support AI labs, government departments, businesses, and academic institutions working on complex reasoning tasks. Founded in 2025 and based in London, UK, the company raised GBP 2 million in seed funding in May 2026 from Epidose 1 Ventures, Evertrue Capital, and Octopus Investment.
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