The register
The register lists Crestoval Limited in Radlett as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Crestoval Limited is the registered name (Companies House number 14246292), a private limited company on the register since 2022. The registered office is at Centre 42 42 Watling Street, Radlett, Hertfordshire, WD7 7NN, WD7 7NN. By its SIC codes the business is in property.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.