The register
The register lists Concert Bio 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 Concert Bio Ltd, number 13568883, incorporated 2021: 5 years of filings behind the name. The registered office is at Translation & Innovation Hub (I-Hub), Wood Lane, London, W12 0BZ, W12 0BZ. By its SIC codes the business is in professional and technical services.
Holding a licence is the expensive, slow part done. For Concert Bio Ltd. the question each time is only whether the role and the pay fit the current rules, and that is checked per vacancy.