TIS subsequently partly redeveloped the application, because the data model and the associated architecture turned out not to be scalable. TIS built applications for the employee portal, sales portal, and customer portal. In addition, the company provides maintenance for both individual applications and the landscape in general. TIS developed new features and finally, TIS also manages the supplier of the back-office applications. Van Klaveren: "In the seven months since the kickoff, TIS has created tremendous value with new features and bug fixes."
Because GGP does not employ its own IT staff, TIS is fully responsible for the development and maintenance of the applications. Until now, this has been done, out of necessity, completely remotely. The lines are short though; when contact is needed, Van Klaveren and his colleagues can quickly reach the right TIS people. "We have to because we have been in the clean-up and furnishing phase so far, but if we take the next step soon, we will be brainstorming."