The register
The register lists Plan System Data Limited t/a Meterpoint in Hertford as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
At Companies House the business is Plan System Data Limited (company number 12214641), a private limited company incorporated in 2019, 7 years ago. The registered office is at 6-7 Castle Gate, Castle Street, Hertford, Hertfordshire, SG14 1HD, SG14 1HD. By its SIC codes the business is in it, software and media.
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.