A tech company is a business that focuses on developing and selling technology-related products or services. This can include software, hardware, and digital solutions that improve efficiency, communication, or entertainment. Examples of tech companies include Apple, Microsoft, and Google, which create everything from smartphones to cloud computing services. These companies often invest heavily in research and development to innovate and stay competitive in the fast-paced technology market. They may also provide services like tech support and consulting to help other businesses implement and use their products effectively.