The register
The register lists Dt Source Limited 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 DT Source Limited (company number 08142143), a private limited company incorporated in 2012, 14 years ago. The registered office is at 11 West Street, Epsom, KT18 7RL, KT18 7RL. Its filed activity puts it in recruitment and employment agencies. It has traded under other names before, including D'aviair Limited.
For a candidate this means one less obstacle: Dt Source Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.