The register
The register lists Insider Technologies Limited in Greater Manchester 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 Insider Technologies Limited, number 02352867, incorporated 1989: 37 years of filings behind the name. Registered office: 4th Floor 2 City Approach, Albert Street, Eccles, Manchester, M30 0BL, M30 0BL. By its SIC codes the business is in it, software and media. It has traded under other names before, including Managetour Limited.
Holding a licence is the expensive, slow part done. For Insider Technologies Limited the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.