In Business since 1990 Assistance Software is a leading IT innovator that makes work in the service sector easier, more organized and clear. We have been in this business since 1990, when our founder Martijn van der Hoeden decided to facilitate efficiency. We first introduced our innovative IT solutions in the architecture sector, where we built a solid position as national market leader: most Dutch architectural firms use our software packages. Software for Professional Services | Unit4 PSA Suite Using the expertise we acquired in that sector, we broadened our target group. We now focus on full service solutions. On a global scale, especially for: Architects & Engineers, Accountants & Legal Professionals, Consultants & IT professionals, Marketing & Advertising organisations and NGO's.