We have a wide knowledge of most of the software in common use. While we can't pretend to be expert in all of it, we do know how to talk to the people who wrote it so it ends up working efficiently for you, the client.
If you can see a way of making your business run more smoothly, we can probably find some software to help this happen - and if we don't know the answer, we can certainly track down someone who does.
Occasionally we write programs ourselves: these tend to be databases and industrial monitoring and control systems.