JMM provides access to a comprehensive range of Insurance and Financial Services products to the Corporate and Private marketplace as well as Advisory and Consultant Services from its London and Gibraltar offices. Please review the product sheets and advisory notes on this site to see what we offer to our clients. JMM London - Commercial and Corporate clients are managed predominately from the JMM London office based near Lloyd's of London. JMM is partnered with Norman Butcher & Jones Limited at Lloyd's and offers its services to the client via the JMM binding authorities and underwriting facilities in Lloyds and with Company markets as NBJ Berry.