The register
The register lists St Barr Fishing Ltd in Fraserburgh, Aberdeenshire as a licensed sponsor on Skilled Worker, an entry that goes back to at least 2026. Rating on the current register: Worker (A rating).
Companies House lists it as St. Barr Fishing Ltd, number SC589402, incorporated 2018: 8 years of filings behind the name. The registered office is at 27 Finlayson Street, Fraserburgh, Aberdeenshire, AB43 9JQ, AB43 9JQ. Its filed activity puts it in agriculture, forestry and fishing.
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.