They are very easy to work with and they listen and take into consideration what I need for my business. They are always quick to respond and provide great service. The only thing that I dislike about Contact one communications is that they don't have an office in the United States. If you are looking for someone who will do everything to help your business succeed then Contact one communications is the way to go. I am using them to create a CRM system for my business. We have been able to use their services to keep track of all of our clients and customers.