The register
The register lists Planning Dimensions Ltd in London 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 Planning Dimensions Ltd., number 13849253, incorporated 2022: 4 years of filings behind the name. The registered office is at 5 North End Road, London, NW11 7RJ, NW11 7RJ. Its filed activity puts it in professional and technical services. It has traded under other names before, including Planning Dimension Ltd.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Planning Dimensions Ltd's own careers page and the job boards, and the answer changes with the season and the order book.