Maryland Office of the Comptroller

Aug 25, 2026

Access the Maryland Office of the Comptroller here.

The Maryland Office of the Comptroller is a state agency responsible for overseeing tax collection, revenue management, and financial reporting in the state of Maryland. As a key player in ensuring compliance with state tax laws and regulations, the Comptroller's office plays a crucial role in maintaining the financial stability and integrity of Maryland.

Agency Accounts

Maryland Withholding Tax Account

Access your online accounts:

The Maryland Withholding Tax Account allows you to set up and manage the following information:

  • Withholding Tax Account Number (same as CRN)
  • Initial Withholding Tax Filing Frequency

Find out more on how to stay compliant with the Maryland Office of the Comptroller:

Zero payroll penalties, zero distractions.

More from the blog

Learn how to keep your business compliant in all 50 states across payroll, HR, Secretary of State, and tax.

PA Local LST and EIT Payroll Taxes: An Employer's Guide 2024

Pennsylvania employers face more compliance issues than those in other states, particularly regarding local service taxes (LST) and earned income taxes (EIT). These requirements are part of a larger system of payroll taxes that Pennsylvania employers are responsible for withholding and remitting. This guide provides a comprehensive overview of LST and EIT, outlining key aspects, updates for 2024, and best practices for managing tax compliance issues. Here’s what you need to know and how Mosey can help with business compliance.

Gabrielle Sinacola | Sep 17, 2024

SOC2 Type 2 Certification

We are excited to announce that Mosey has successfully received our SOC 2 Type 2 certification! At Mosey, we understand the critical importance of safeguarding our customers’ information, and we take this responsibility seriously. Our attainment of SOC2 Type 2 reflects our ongoing commitment to ensuring the security and confidentiality of our customers’ data. SOC2 Type 2 certification demonstrates that our security practices and procedures have not only been rigorously tested and evaluated, but have also proven to be effective over an extended period. This independent audit assessed the operational effectiveness of our controls, ensuring they are not only designed appropriately but are also consistently applied and adhered to over time.

Alex Kehayias | Feb 1, 2024

EEOC Updates Hostile Work Environment and Harassment Guidelines

The U.S. Equal Employment Opportunity Commission (EEOC) just released its first major update to workplace harassment guidelines in 25 years. These changes significantly impact how employers handle sexual harassment and employment discrimination in traditional and virtual workplaces. Keeping your organization informed, welcoming, and compliant is the best way to promote a respectful workplace and attract top talent. Since neglecting these requirements can lead to legal risks, employers must update their policies, train their staff, and ensure continued compliance.

Alex Kehayias | Dec 31, 2024

Ready to get started?