Business Taxpayer Assistance

We want to make filing business taxes easier by providing excellent, cost-effective services in traditional areas, online formats and new initiatives.

If you need help with your Maryland business tax filings, assistance is available in person, over the phone and online.

Taxpayer Service Information

Contact Taxpayer Service

Tax Forms and Instructions

Approved Substitute Tax Forms

Change of Address Information

Business Tax Tips

We Can Help Solve Your Tax Problem

Business Licenses

Fuel Quality Testing

Alcohol and Tobacco Taxes

Motor Fuel Tax