St. Louis, MO Payroll Tax Registration

Apr 18, 2025

If you are an employer in St. Louis, Missouri, it is important to be aware of the local payroll tax requirements for businesses operating in the city. These requirements may include registering your business with the city and withholding a certain percentage of your employees' wages for local taxes.

How to Register for Payroll Tax in St. Louis

St. Louis, Missouri Local Earnings Tax Withholding and Payroll Expense Tax Setup for LLC, Corporation, LLP

Every employer with employees living or working in the City of St. Louis must withhold St. Louis City earnings tax on their gross earnings. In addition, city-resident employers must also withhold earnings taxes on all employees regardless of work location. Businesses in St. Louis must open an earnings tax account before operating in St. Louis. Unless exempted, only companies with employees working in the City of St. Louis must pay Payroll Expense tax.

  1. Apply for an Earning Tax Account

    Complete Form E-9, Application for Earning Account.

  2. Submit Your Earning Tax Account Application

    Mail your completed Form E-9 to the Earning Tax Department.

Documents and Resources

St. Louis, MO Payroll Registration Agencies

Use Mosey to register for payroll accounts in St. Louis.

Register for payroll taxes with the state of Missouri

How to register your business in more Missouri cities

See all

More from the blog

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

What Is a Statutory Employee? Criteria and Compliance Explained

When it comes to classifying workers, there’s more than meets the eye. Beyond the familiar categories of employees and independent contractors, there’s a third type you need to know: statutory employees. These workers are unique because they’re technically considered independent contractors, but certain laws require you to treat them as employees for tax purposes. Understanding who qualifies as a statutory employee is essential for maintaining compliance and avoiding legal headaches.

Kaitlin Edwards | Aug 21, 2024

What Is a Legal Entity? Definition & Examples

The business world is made up of thousands of legal entities. In simple terms, a legal entity is an individual, business, or organization that has specific legal responsibilities. These duties are set by various governing bodies, ranging from your local city council to the federal government This term has evolved over time but remains rooted in the need for a regulated business landscape. Legal entities ensure there’s a structure that’s accountable for its actions within the jurisdictions of federal, state, and local laws.

Kaitlin Edwards | Nov 6, 2023

Federal Tax Classification Guide for Business Owners

In today’s dynamic business environment, one of the critical aspects founders, HR heads, and financial officers need to stay on top of is federal tax classification. This classification not only determines how your business will operate, but also how it will be taxed. As businesses expand and take on employees from different states or even countries, understanding this classification becomes paramount to ensure compliance. With the landscape of remote work growing, businesses, especially those operating in the U.

Alex Kehayias | Jan 5, 2024

Ready to get started?

Schedule a free consultation to see how Mosey transforms business compliance.