Overview: London Zoological Society Address Validation
ZSL faced delays in membership sign-up and lost renewals due to inaccurate contact data. Experian embedded Address Validation into ZSL’s Tessitura system, ensuring accurate, validated data for seamless member experiences.

ZSL’s Contact Centre is the hub for all enquiries. From high-end donors to education bookings and even membership sign-ups, the department rarely sees a quiet period. With data entering the contact centre incorrectly, managing operations and memberships was becoming increasingly manual and difficult.
ZSL is the charity behind London Zoo and Whipsnade Zoo, which combined welcome around two million visitors each year. As leading conservation zoos, their global impact is also bolstered by a popular membership scheme. This means that ZSL needs to process a vast amount of contact data, all of which requires meticulous validation to ensure accuracy and compliance.
| Welcomes: | 2 million visitors each year |
| Employes: | More than 1,000 people |
Experian Address Validation was integrated with Tessitura, reducing manual processes, improving data accuracy and saving over 152 hours annually. ZSL now delivers better customer experiences and maintains strong donor relationships.
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