The register
The register lists Welligence Ltd in Edinburgh as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Welligence Ltd (company number 13084824), a private limited company incorporated in 2020, 5 years ago. Registered office: 43 Bridge Road, Grays, RM17 6BU, RM17 6BU. By its SIC codes the business is in it, software and media.
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.