Looking for the best online brokers? Below, you will find an online brokerage comparison detailing the top stock trading platforms and accounts to get. However, the best online brokerage firms aren’t just for stock trading anymore. These days, the top-rated firms serve as trading, investing, saving, banking, and retirement planning accounts for beginning and professional investors. Depending on your personal financial and investment goals, each online discount broker can serve a different purpose. Use our reviews to help find the right discount broker for your needs.