The register
The register lists Newton Tax Advisory in London, Essex 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 Newton Tax Advisory Ltd (company number 13634025), a private limited company incorporated in 2021, 5 years ago. The registered office is at Suite 9, 2nd Floor Cranbrook House,, 61, Cranbrook Road, Ilford, IG1 4PG, IG1 4PG. By its SIC codes the business is in professional and technical services. It has traded under other names before, including 24/7 Accountants Ltd, KS Accountancy and Tax Consultancy Ltd.
For a candidate this means one less obstacle: Newton Tax Advisory already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.