How do you file a complaint with Home Depot?

I would like to know the best way to file a complaint with Home Depot about sub standard work performed by a contractor hired by them to complete my project.

Thank you

This is Tinzley from Home Depot Customer Care; I would like to offer my help, I want to hear more about what happened, please email me and I will be glad to look further into this for you.

Tinzley

The Home Depot

Atlanta, GA 30339

tinzley_care@homedepot.com