The register
FirstBank UK Limited is licensed to sponsor on Global Business Mobility: Senior or Specialist Worker and Skilled Worker. Its entry on the register dates back to at least 2026, and the organisation is based in London. The register records its rating as Worker (A rating).
Companies House lists it as Firstbank UK Limited, number 04459383, incorporated 2002: 24 years of filings behind the name. The registered office is at 28 Finsbury Circus, London, EC2M 7DT, EC2M 7DT. Its filed activity puts it in finance and insurance. It has traded under other names before, including Fbn Bank (UK) Limited, Fbn (UK) Limited.
What the licence tells a candidate is that the door is not locked. Whether it is open this month is a question for FirstBank UK Limited's own careers page and the job boards, and the answer changes with the season and the order book.