In addition to building out websites from scratch there are many off the shelf software platforms written in PHP that can be easily customized.
We have built custom web applications in .Net since version 1.1 and are currently building applications in version 4.5 with C# as the primary language.
A custom CMS allows for complete control of information while keeping a consistent, clean web design.
Customers are able to log in, submit secure invoices or payments and, at the same time, are able to track payments and invoices.
An ERP system helps collect, store, manage, and interpret information from a running business.