The register
The register lists Halpern and Co in London as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Halpern Limited (company number 03157401), a private limited company incorporated in 1996, 30 years ago. Registered office: Ground Floor, 17 Gresse Street, London, W1T 1QL, W1T 1QL. By its SIC codes the business is in business services. It has traded under other names before, including Halpern Associates Limited.
Holding a licence is the expensive, slow part done. For Halpern and Co the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.