Business Resources

Thank you for doing business in Mount Airy, Maryland. There are resources available to help you in all areas of your business.

Online Business Registration

Maryland's online business registration system, Maryland Business Express, allows business owners to easily register new businesses and state tax accounts in just a few days. The system is accessible 24/7 at or call 888-963-3468.

  • Register your new business entity with the Maryland Department of Assessments and Taxation
  • register a business trade name with the Maryland Department of Assessments and Taxation
  • Establish your necessary tax accounts with the Comptroller of the Treasury
  • Submit your business personal property return filings and order certified copies


Small Business Development Center (SBDC) 

Service Corps of Retired Executives (SCORE) 

Permits, Licensing and Regulations

Department of Assessments and Taxation 888-246-5941

Maryland Comptroller Taxpayers Assistance 410-260-7980

Department of Natural Resources 877-620-8367

Maryland Department of Labor, Licensing and Regulation (DLLR) 410-230-6231

U.S. Department of Labor Foreign Labor Certification Employment and Trainning Administration

Maryland Department of the Environment Permits Service Center 410-537-3000