The register
The register lists Tulcan Energy Resources UK in London as a licensed sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as Tulcan Energy Resources UK Ltd., number 10881589, incorporated 2017: 9 years of filings behind the name. Registered office: 40 Gracechurch Street, London, EC3V 0BT, EC3V 0BT. By its SIC codes the business is in mining and quarrying.
Holding a licence is the expensive, slow part done. For Tulcan Energy Resources UK the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.