When looking to buy stocks, it's important to use reputable and established brokerage platforms. Here are some well-known and trusted platforms where you can buy US company stocks: investment-stock-usa-lylymom 1. Fidelity : Known for its research and extensive educational resources. 2. Charles Schwab: Offers a wide range of investment options and excellent customer service. 3. TD Ameritrade : Provides a user-friendly platform and a variety of investment products. 4. E*TRADE : Offers a robust trading platform and research tools. 5. Robinhood : Known for its commission-free trading and user-friendly mobile app. 6. Interactive Brokers : Offers advanced trading tools for active traders. Before choosing a platform, consider factors such as fees, usability, research tools, customer service, and security measures. It's also a good idea to check reviews and ensure the platform is regulated by authorities such as the Securities and Exchange Commission (SEC) in the United States.