Listen to founder of studiogenie, Venu Gooty, explain how Studiogenie will help the wedding and portrait photographer manage their photography business. 
Studiogenie is a mobile studio and business management software for photographers to capture leads; create quotes, invoices & contracts; manage your business workflow.
Studiogenie is a photography studio management tool that tracks the photographers business right from their iPad. There is also a plug in that works with Lightroom as well as an app for the iPad and an online service that can be used without a smart device. 
You actually have a on the go business office in your hands. Try the free 30 day demo at 
www.studiogenie.net 
There are several versions to try and the data is on a secure Cloud service.