The register
The register lists ATD Fourth World Ltd in London as a licensed sponsor on Charity Worker, an entry that goes back to at least 2026. Its rating on the register is Temporary Worker (A rating).
Companies House lists it as Atd Fourth World Limited, number 00654676, incorporated 1960: 66 years of filings behind the name. Registered office: 48 Addington Square, London, SE5 7LB, SE5 7LB. Its filed activity puts it in social care and care homes. It has traded under other names before, including Atd Fourth World (UK) Ltd, A.T.D.-frimhurst Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for ATD Fourth World Ltd's own careers page and the job boards, and the answer changes with the season and the order book.