Square
Square corporate headquarters is located at 1455 Market Street, Suite 600, San Francisco, CA 94103, United States, in San Francisco’s Mid‑Market neighborhood, where the company occupies a 320,000 square‑foot campus built across four floors of a former Bank of America data center. Square’s corporate office oversees a suite of commerce and financial services tools used by millions of sellers across the U.S. and internationally, including payment processing, point‑of‑sale hardware, payroll, invoicing, and integrated business software. Sellers, merchants, developers, investors, and media regularly need the Square corporate office address and Square contact details for account disputes, complaints, business enquiries, and press matters. Quick Facts Corporate Headquarters Address Square, Inc., 1455 Market Street, Suite 600, San Francisco, CA 94103, United States Customer