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Cassie is powered by Syrenis Ltd

Cassie – the Consent and Preference Management Platform is developed by Syrenis, who also own the SMART Stakeholder Management Software.

Syrenis is privately owned by experienced, highly-regarded, UK-based international business investors. Cassie benefits not only from their financial backing but their considerable expertise in the running of specialist global technology businesses.

About us

Right-fit partner

We work with complex, often global, businesses in high-volume, high-transaction data scenarios. Typically, our clients have ambitious growth plans and seek to go beyond compliance in implementing a consent and preference management solution.

We’re the right fit for organisations who need not just configurability, security and scalability but a business partner experienced in mapping business strategy to technical implementation in the field of consent and preference management.