The register
Sirkka Networks Ltd is licensed to sponsor workers on Skilled Worker. The organisation is based in London and has held its place on the register since at least 2026. The register records its rating as Worker (A rating).
Sirkka Networks Limited is the registered name (Companies House number 08886975), a private limited company on the register since 2014. The registered office is at Spaces Camden, 142 Camden Street, London, NW1 9PF, NW1 9PF. By its SIC codes the business is in it, software and media. It has traded under other names before, including Bixdon Trading 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.