The register
The register lists Seerbytes Limited in Bushey 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).
Companies House lists it as Seerbytes Limited, number 09020089, incorporated 2014: 12 years of filings behind the name. Registered office: Suite 18.08 Aragon Tower George Beard Road, London, SE8 3AL, SE8 3AL. By its SIC codes the business is in it, software and media. It has traded under other names before, including Zisk Properties Limited, Zisk Enterprise 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.