The register
The register lists Elder and Cannon Architects in Glasgow as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Companies House lists it as Elder & Cannon Architects Limited, number SC296085, incorporated 2006: 20 years of filings behind the name. The registered office is at 1/1 137 Sauchiehall Street, Glasgow, G2 3EW, G2 3EW. Its filed activity puts it in professional and technical services.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.