The register
Ionic Technologies International Limited, Belfast, holds a Home Office sponsor licence covering 2 routes: Global Business Mobility: Senior or Specialist Worker and Skilled Worker. It has been on the register since at least 2026. Its rating on the register is Worker (A rating).
At Companies House the business is Ionic Technologies International Limited (company number 10245432), a private limited company incorporated in 2016, 10 years ago. Registered office: Mark J Rees Llp Granville Hall, Granville Road, Leicester, Leicestershire, LE1 7RU, LE1 7RU. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Seren Technologies 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.