The register
The register lists The Oak Foundation in London as a licensed sponsor on Charity Worker and Skilled Worker, 2 routes in all, and has done since at least 2026. The register records its rating as Temporary Worker (A rating), Worker (A rating).
Companies House lists it as Oak Foundation, number 04784264, incorporated 2003: 23 years of filings behind the name. Registered office: 80 Cheapside, London, EC2V 6EE, EC2V 6EE. Its filed activity puts it in construction.
For a candidate this means one less obstacle: The Oak Foundation already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.