Online Service Center
New User Registration
bServices Online Service Center
Business Taxpayer Online Service Center
Certain Business applications require a user to complete a short registration before using. Currently, users are NOT required to create a registration for filing a Sales and Use Tax return, Withholding return or to access the W2 Bulk Upload test page. All other applications require a registration.
To become a registered user please
submit your registration here
If you are already a registered user, you may
Click here if you have forgotten your password
W2 Bulk Upload - Upload your file and view your submission history online
W2 Bulk Upload Test Page - Test your file before uploading it online
bFile - File your business tax returns online
You may file your business tax return for
using our bFile system.
Admission and Amusement Tax Returns
( make payments on existing business tax liabilities )
Due to necessary ongoing system maintenance this application may be unavailable every Sunday from approximately 6:00 AM until 10:00 AM EST. We apologize for any inconvenience this may cause.
The Comptroller's Web Services Center is available 24 hours a day, 7 days a week from any home office, or public access point. However, data may not be accessible during times of system maintenance.
© 2011. Comptroller of Maryland. All Rights Reserved.
Your Rights as a Taxpayer