Assuming you have already decided to go for a hosted solution and put your continuous integration systems in the cloud, now you have to choose among a number of solutions available. In order to evaluate the suitability of a service you need to consider several aspects. Some of them will try to point financial aspects out and some others will be more focused on technical details. A balanced and careful set of criteria should let you take the cheapest solution for the short and the long term according to your technical requirements and estimations of growth. If you are a developer and want that your CTO or CFO gives you the budget to move your CI systems to a SaaS solution, share this article with them because it is written also for them.