Maryland Tax Connect is a self-service online portal designed to let businesses interact with the Comptroller’s Office from any device, desktop, or mobile, saving time and simplifying the tax process.
Through the portal, business taxpayers can:
- File and pay state taxes online
- Make secure online payments
- Update personal or business information
- View filing and payment history
- Register a business
- Apply for/renew business licenses
- Apply for sales & use tax exemption certificates
If you need help getting started and navigating the platform, the Comptroller’s Office offers:
- Previously recorded webinars
- Video tutorials for registration, filing, account setup, and more
- Step-by-step user guides for everyday tasks
Whether you’re new to Maryland taxes or transitioning from the older system, these resources are designed to support business owners through every phase of the Tax Connect experience.
Additional Tax Resources from the MD Comptroller:
- Maryland Tax Connect portal: mdtaxconnect.gov
- Business Tax Services & Guidance: Find deadlines, help pages, and tools for tax compliance.
- Social Media Toolkits: Share helpful tips and Comptroller updates across platforms.
Taxpayer Services Help: Call 1-800-638-2937 or 410-260-7980 for support from the Comptroller’s Office.
