Billing system script

General information for the website: Billing system
Num. of web pages/modules: 1
Description of requirements/features: I need a simple billing system done to run off our website i need the following

We have 2 companys that do the same kinda job on is for dealers and one is for public

i need to select what company to use and to bill from

on the billing i need

car make, model, registration, year & engine size

i need work done, remapping

i need price

then i need the option to email it to the client and also print

i also need it to store the clients details for next invoice and a search box to pull up work done.
Extra notes: I need something to do invoices off via the web

we work with cars so i need something with

Client name, company
Registration Number
Car Make Model Year work done ( we remap cars so work done isnt much such as DPF DELETE, EGR REMOVAL )
Price

I want it to then email the client and store details and also be able to print off.