SharePoint is not just a software, but it is a platform upon which line of business applications can be built. By integrating data using Business Connectivity Services to building self-contained applications, SharePoint can be used to manage information in a manner that reduces training costs and drives adoption. In addition to building custom applications, you can leverage a range of starter solutions to quickly onboard and prototype solutions for your needs.
Check out solutions for Asset Management, Budget Approval System, Employee Joining & Separation Management, Correspondence Management, Leave & Time Management, Attendance Management, and more.
With SharePoint, the recommendation is to use out-of-box features as much as possible, however, given those niche cases where a custom solution is warranted, you should look for a partner that not only understands your needs but is also a SharePoint platform expert.