- M&A Online, Inc
- Mandeville Partners, LLC
Venture capital and investment banking services specializing in small to mid-size companies in telecommunications and related businesses.
- Mann, Armistead and Epperson, Ltd. (MAE)
Investment banking and advisory firm that serves the needs of private and public middle market companies.
- Marriott Merchant Bank
Durban based bank, specialising in South African corporate finance, treasury services, mergers, acquisitions, and listing on the JSE.
- McDaniels & Co.
Mergers, acquisitions, divestitures, and corporate finance advisory services in the United States and Europe.
- Merrill Lynch
Underwriter of debt and equity securities, strategic advisor to corporations, governments, institutions, and individuals, and manager of private client assets.
- Merriman Curhan Ford & Co.
Securities broker-dealer and investment bank focused on emerging growth companies and growth-oriented institutional investors.
- Morgan Lewis Githens & Ahn
Investment bank serving middle market companies.
- Morgan Stanley
Global financial services firm that serves a diversified group of corporations, governments, financial institutions, and individuals.