Even the best written applications will require some kind of maintenance done on a regular basis. This is because businesses are not static and therefore software will have to keep up with new demands. It may also be the case that certain processes will need to be tweaked to improve performance or to simplify the user experience. Or perhaps some unforeseen problem crops up which will require troubleshooting.
For these and many other reasons, Moriji Technologies will be more than happy to do ongoing maintenance for you to keep your systems up-to-date.