The register
The register lists Erda Energy Limited 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).
At Companies House the business is Erda Energy Limited (company number 09742032), a private limited company incorporated in 2015, 11 years ago. The registered office is at 26 Duncan Terrace, London, N1 8BS, N1 8BS. Its filed activity puts it in energy, water and waste. It has traded under other names before, including Thermal Energy Networks Limited.
A licence says an organisation may sponsor; it does not say it is hiring today. The way to find out is the same as for any employer: the careers page, the job boards, and a direct approach with a UK-style CV that says early that sponsorship would be needed.