The register
The register lists arbnco Ltd in Glasgow, Lanarkshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Arbnco Ltd is the registered name (Companies House number SC423816), a private limited company on the register since 2012. Registered office: 121 Inovo - Ground Floor Suite F, George Street, Glasgow, G1 1RD, G1 1RD. By its SIC codes the business is in it, software and media. It has traded under other names before, including Co2 Estates Limited, C02 Estates Limited.
Holding a licence is the expensive, slow part done. For arbnco Ltd the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.