The register
The register lists GDK Software Ltd in Orpington 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).
Companies House lists it as Gdk Software Ltd, number 13054274, incorporated 2020: 5 years of filings behind the name. The registered office is at Suite 30 Press House, Crest View Drive, Petts Wood, Orpington, BR5 1FE, BR5 1FE. Its filed activity puts it 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.