The register
The register lists ASB Tech Ltd in Milton Keynes 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 Asb Tech Ltd (company number 11896424), a private limited company incorporated in 2019, 7 years ago. Registered office: 14 Clements Drive, Eaton Leys, Milton Keynes, MK17 9GR, MK17 9GR. 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.