If you need a London based Drupal developer you can hire me. Check the availability page and contact me on info@aprium.net.

About
The BookKeep project is a Drupal 6 module to help contractors and small business manage their invoices.
Current Features
- Create invoices are node types with CCK fields.
- Create PDF invoices without the need to install a php extension (completely 100% php).
- Customer login where user can list invoices
The Source
If you need a London based Drupal developer you can hire me. Check the availability page and contact me on info@aprium.net.