National Bank Financial | 56,077 followers on LinkedIn. Wealth Management | In addition to being part of National Bank, a financial group that has been serving investors for over 150 years, National Bank Financial - Wealth Management (NBFWM) ranks among the 5 largest securities brokerage firms in Canada, serving individuals, businesses and governments. In addition to investment management, advisors look after all of their clients' financial needs. Founded in 1902, the history of Wealth Management has been linked to that of National Bank since 1988.