William E. Simon & Sons has been tending to its clients financial needs for more than 14 years. The company s clientele come from numerous locations and are not concentrated in any particular region or area. William E. Simon & Sons is a private investment bank, offering its clientele a variety of financial services. These services can vary from client to client and can include the handling of real estate as well as private equity. The company is privately owned and operated, with no parent, sister or subsidiary companies and holds headquarters in Morristown, New Jersey.