The register
The register lists Greentree (sw) Limited in Paignton, Devon 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 Greentree (SW) Limited, number 11284462, incorporated 2018: 8 years of filings behind the name. Registered office: 11 White Rock Road, Paignton, Devon, TQ4 7FU, TQ4 7FU. By its SIC codes the business is in health care. It has traded under other names before, including SW321 Limited.
For a candidate this means one less obstacle: Greentree (sw) Limited already has the licence most employers would have to apply for. The rest is the ordinary job of getting the interview.