The register
The register lists Ntrs Ltd 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 Ntrs Limited (company number 06535266), a private limited company incorporated in 2008, 18 years ago. The registered office is at 128 Kent House Road, Beckenham, Kent, BR3 1JY, BR3 1JY. By its SIC codes the business is in retail.
For a candidate this means one less obstacle: Ntrs Ltd already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.