• RSM, established in 1964, has been providing assurance, tax, and consulting services to both domestic and international clients for over 60 years.
  • The headquarters is in London, and it develops policies that apply to all members of the RSM Network to enable seamless collaboration on our services to clients.
  • RSM operates in 120 countries with 500 offices and 56,000 professional staff, and all member firms provide consistent services locally and globally.
  • The most recent worldwide revenue was 7.7 billion USD, representing a 4% increase from the previous year.
  • RSM Seiwa is the audit and assurance member firm of RSM Japan.