The register
Smithers ERS Limited is licensed to sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker. Its entry on the register dates back to at least 2026, and the organisation is based in Harrogate. Rating on the current register: Worker (A rating).
Companies House lists it as Smithers Ers Limited, number 08044036, incorporated 2012: 14 years of filings behind the name. The registered office is at Shawbury, Shrewsbury, SY4 4NR, SY4 4NR. Its filed activity puts it in professional and technical services. It has traded under other names before, including Smithers Viscient (esg) Ltd.
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.