Need to file a complaint? BBB is here to help.Here's how to file a complaint with Better Business Bureau. File a complaint against a business with BBB, search for a business to file a complaint against, or find out the status of a complaint you submitted. Download. You may also complete the consumer complaint form and deliver via postal mail, email or fax using the contact information below. Up to 6 text messages and up to 3 emails per month. Call 534-SPEED or 602-534-7733. Traffic of concern near your business or in your parking lot may be reported. State the details of the company you are filing the complaint with. Include the name, address, email, and phone number.