​Trusted Systems Ltd is a Hong Kong based software development company specialised in Messaging and Collaboration Enhancement solutions.

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We started our strong foundation by developing PKI based Confidential Mail System on top of Domino platform.  The solution has been widely (95%) adopted by Hong Kong SAR Government departments and bureaux.

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Since then we further develop various products under TrustSafe brand with an aim to provide innovative, value added and cross platform solutions to meet our customers' extra needs such as security enhancement and data migration.