The register
The register lists Enertherm Engineering Ltd in Peterborough 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 Enertherm Engineering Ltd, number 08817927, incorporated 2013: 12 years of filings behind the name. The registered office is at 9 Commerce Road, Lynnchwood, Peterborough, Cambridgeshire, PE2 6LR, PE2 6LR. By its SIC codes the business is in professional and technical services. It has traded under other names before, including RP-tis Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Enertherm Engineering Ltd's own careers page and the job boards, and the answer changes with the season and the order book.