The register
The register lists Pick One Services Limited in Milton Keynes 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 Pick One Services Limited, number 10645179, incorporated 2017: 9 years of filings behind the name. Registered office: C/O Alpha Tax Advisors, Unit 1, Stanier Square Centre, Bletchley, Milton Keynes, United Kingdom, MK2 2FY, MK2 2FY. By its SIC codes the business is in business services.
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.