The register
The register lists Payceler Limited in Newcastle Upon Tyne as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Payceler Limited, number 13321403, incorporated 2021: 5 years of filings behind the name. Registered office: Unit 1, The Beacon, Westgate Road, Newcastle Upon Tyne, NE4 9PQ, NE4 9PQ. 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.