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Tessian Limited, based in London, provides machine learning email security to prevent misdirected emails and data loss.
Founded in 2013 and based in London, UK, Tessian Limited, formerly known as CheckRecipient, runs a security platform that uses machine learning to analyze historical email data and flag anomalies in outgoing email. The company was co-founded by Edward Bishop, Thomas Adams and Tim Sadler. In August 2021 it raised approximately USD 9 million in Series C funding from Citi Ventures, Okta Ventures and Sozo Ventures. Its 2020 revenue was GBP 8.9 million.
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