BTService is designed to control customer service and warranty management. This Web-based project management software providing punchlists and walkthroughs, service request tracking, custom workflow support, back-charge ability, emails to homeowners and online trade partner access. Defect analysis also ensures construction quality by recording defect on any punchlist item. Business reporting and document management functions are also part of BTService. The software can be upgraded to an enterprise system, allowing all business departments to be integrated.