
Cassie enabled us to compliantly and proactively manage supporter consent for the first time. This supports our aims of being a supporter centric organisation, delivering trust and confidence with out supporters.
Rickey-Jay Elmer – Business Analyst, The Woodland Trust

The Cassie team have been extremely professional and supportive throughout the project. The migration was part of a much wider programme of work which made it a complicated delivery. Despite these added complexities the Cassie migration was flawlessly managed. the teams support, responsiveness, expertise and helpful attitude meant that I had utter confidence in this part of the programme and the management of the delivery confirmed that I was right to have such confidence.
Jon Underwood – UK Data Programme Manager, LexisNexis

After using the Cassie Cookie Module for over a year now, we are really pleased with the product and delighted with the level of customer support we have had from Syrenis.
Kevin Drysdale – Web Team manager, Durham County Council

We found Syrenis very easy to work with; expert and responsive. Their approach to agile working, coupled with their ability to fully understand our requirements helped to ensure that the system was right first time and delivered on time.
Daisy Houghton – Head of Secretariat and Corporate Services, Fundraising Regulator

The speed of change and the flexibility of the Cassie API’s is impressive. What often takes days or weeks to make happen, is achieved in hours.
Lead Developer – Integration Platform, Enterprise Client

From our contact, Syrenis have taken a cooperative and thoroughly professional approach to working with us. We have been particularly impressed by the depth of their knowledge, the quality of their advice, and the clear desire to help us realise the full benefit of the software.
Kathryn Davies– Customer Communications Manager, Mitsubishi
Brands we support
Syrenis software is trusted by and powers many leading enterprises and governments across the globe including:

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