The register
The register lists Bolton Chalklin Architects in London, 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 Bolton Chalklin Architects Limited (company number 08787539), a private limited company incorporated in 2013, 12 years ago. Registered office: Unit 005 China Works Black Prince Road, Vauxhall, London, SE1 7SJ, SE1 7SJ. By its SIC codes the business is in professional and technical services.
Holding a licence is the expensive, slow part done. For Bolton Chalklin Architects the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.