Nextiva was rated #1 against 9 other VoIP providers based on cost, reliability and features. Get the best. When you choose us, you`re selecting a communications partner that is passionate about your growth and proves it every day. Nextiva is proudly rated A+ from Comparably, 4.5/5 on Glassdoor, 4.7/5 on GetVoIP, and has earned a lot of press.