Start here with our online complaint form to file a complaint on a business with the Better Business Bureau. BBB welcomes the opportunity to assist you with your marketplace challenge. Whether you need to file a complaint, post a review, tell us about a misleading advertisement, or report a scam, you're in the right place. There are some disputes BBB cannot help with, learn more here. What happens when I file a complaint? If your complaint meets our complaint acceptance criteria, your complaint will be sent to the business within approximately two business days. The business will be asked to respond within 14 calendar days. You will be notified of the business's response when we receive it (or notified that we received no response). Complaints are usually closed within 30 days.