You can dispute incorrect information with Experian by taking the following steps:
Obtain a current copy of your company's business credit report
Circle the incorrect items on your report
Add a brief explanation of why you consider the information to be incorrect
Supply them with the correct information
Include supporting documentation if you have it available
Look at the "key score factors" section of your report. Corrections to data mentioned in this section may result in adjustments to your credit score.
Attach the report to a cover page with your full business name, current and previous addresses, email, and a short note asking Experian to investigate the items you've marked. Email it to BusinessDisputes@Experian.com or mail it to:
Experian Commercial Relations P.O. Box 5001 Costa Mesa, CA 92628