The register
The register lists Hamilton UK Services Limited in London 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 Hamilton UK Services Limited (company number 11381012), a private limited company incorporated in 2018, 8 years ago. The registered office is at Level 3, 8 Fenchurch Place, London, EC3M 4AJ, EC3M 4AJ. By its SIC codes the business is in finance and insurance.
Holding a licence is the expensive, slow part done. For Hamilton UK Services Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.