The register
The register lists World Animal Protection in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
World Animal Protection is the registered name (Companies House number 04029540), a company limited by guarantee on the register since 2000. The registered office is at 3rd Floor 86 - 90 Paul Street, London, EC2A 4NE, EC2A 4NE. Its filed activity puts it in business services. It has traded under other names before, including World Society for the Protection of Animals.
Holding a licence is the expensive, slow part done. For World Animal Protection the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.