T vs SCHW Comparison

The wireless business contributes nearly 70% of AT&T's revenue. The company is the third-largest US wireless carrier, connecting 74 million postpaid and 17 million prepaid phone customers. Fixed-line enterprise services, which account for about 14% of revenue, include internet access, private networking, security, voice, and wholesale network capacity. Residential fixed-line services, about 12% of revenue, primarily consist of broadband internet access, serving 15 million customers. AT&T also has a sizable presence in Mexico, with 24 million customers, but this business only accounts for 3% of revenue. The company recently sold its 70% equity stake in satellite television provider DirecTV to its partner, private equity firm TPG.

Charles Schwab is one of the largest retail-oriented financial-services companies in the US, with $11.9 trillion in client assets across its brokerage, banking, asset management, custody, financial advisory, and wealth-management businesses at the end of 2025. While best known for its retail brokerage offering, Schwab generates the lion's share of its revenue and profits through its Charles Schwab Bank and asset management segments. The firm is a dominant player in registered investment advisor custody, with over 40% market share, and has recently pushed into wealth management with robo-advisory, direct indexing, and other managed-investment solutions.