The register
The register lists AccessESP UK Limited in Great Yarmouth as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Its rating on the register is Worker (A rating).
Accessesp UK Limited is the registered name (Companies House number 04499632), a private limited company on the register since 2002. The registered office is at 10th Floor 245 Hammersmith Road, London, W6 8PW, W6 8PW. By its SIC codes the business is in manufacturing and engineering. It has traded under other names before, including Artificial Lift Company Limited, Performance Oil Tools 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.