Welcome To Colosseum Online Inc. Colosseum offers an array of services designed to more effectively manage IT infrastructures. Our own state-of-the-art Data Centre environment enables Colosseum to offer your business enterprise-level Colocation and hosted solutions. As the premier provider of Data Centre Colocation, Cloud Hosting, Dedicated Servers and Managed Web Hosting Services in Canada, Colosseum Online is an industry leader that combines a host of comprehensive solutions with unparalleled expertise, cutting-edge technologies, and award-winning and industry-leading service.