The register
The register lists Helio Display Materials Limited in Oxford, Oxfordshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. The register records its rating as Worker (A rating).
Companies House lists it as Helio Display Materials Limited, number 10498672, incorporated 2016: 9 years of filings behind the name. The registered office is at Plessey Semiconductors Ltd Tamerton Road, Roborough, Plymouth, Devon, PL6 7BQ, PL6 7BQ. By its SIC codes the business is in professional and technical services. It has traded under other names before, including Heliochrome 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.