The register
The register lists Oaknorth (UK) Limited in London 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).
At Companies House the business is Oaknorth (UK) Limited (company number 10920067), a private limited company incorporated in 2017, 9 years ago. The registered office is at 57 Broadwick Street, Soho, London, W1F 9QS, W1F 9QS. By its SIC codes the business is in it, software and media. It has traded under other names before, including Oaknorth Analytical Intelligence (UK) Ltd., Oaknorth Analytical Intelligence (UK) Limited Ltd..
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.