Nextiva is the fastest growing unified communication provider in the United States and serves more than 100,000 business customers. Since 2006, Nextiva has maintained its focus on simplifying the way businesses communicate. Through a combination of communication, collaboration and mobility solutions, Nextiva helps companies of all sizes and industries run more efficiently and increase productivity and profitability, while reducing their communication costs. Nextiva is headquartered in Scottsdale, Arizona and lives by the founding principle of Amazing Service®.

Custom Internet Services LLC is a certified partner of Nextiva and is authorized to resell their products and services.