The best small business phone systems include 8x8, Zoom Phone, and Nextiva. Read our full ranking to learn who made our small office top 10.

The best multi-line phone system for small businesses optimizes communications and boosts productivity by enabling teams to manage multiple incoming and outgoing calls. When choosing the right system, consider scalability, display interface, advanced features, and integrations with existing technology.

Whatever your company's size, there's a system that fits. Most providers have packages and plans that scale well, so even if you start with just a few features and phones, you can expand as needed - or keep it exactly the same. Business phone systems are a fantastic way to manage multiple phones and users with little hassle.

The best multi-line business phone systems include basic VoIP features, like unlimited domestic calling and an auto attendant, with all plans.

Compare the best business phone systems with detailed reviews to help you identify the ideal service for your company.