The register
The register lists Lyondale Ltd in London 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 Lyondale Ltd, number 11494972, incorporated 2018: 8 years of filings behind the name. Registered office: 71-75 Shelton Street, Covent Garden, London, WC2H 9JQ, WC2H 9JQ. By its SIC codes the business is in professional and technical services.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for Lyondale Ltd's own careers page and the job boards, and the answer changes with the season and the order book.