The register
Frontier Economics 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 London. The register records its rating as Worker (A rating).
At Companies House the business is Frontier Economics Limited (company number 03752719), a private limited company incorporated in 1999, 27 years ago. The registered office is at Worship Square, 65 Clifton Street, London, EC2A 4JE, EC2A 4JE. Its filed activity puts it in professional and technical services. It has traded under other names before, including Resethalf Limited.
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.