TD Ameritrade is a financial services company that provides online brokerage services for individual investors. Founded in 1975, it allows users to buy and sell a variety of financial products, including stocks, bonds, mutual funds, and exchange-traded funds (ETFs). The platform is known for its user-friendly interface and educational resources, making it accessible for both beginners and experienced traders. In 2020, TD Ameritrade was acquired by Charles Schwab, a larger financial services firm. This acquisition expanded Schwab's offerings and client base, while maintaining TD Ameritrade's brand and services. The company continues to provide tools and resources to help investors make informed decisions in the financial markets.