St. Louis, MO Payroll Tax Registration

Mar 28, 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.

Job Abandonment: What Can You Do With No-Call No-Shows?

No-call no-shows can catch you off guard. An employee misses a shift without notice, then another, and before long, you’re left asking: “Is this job abandonment?” For businesses, this isn’t just about one person not showing up. It’s about filling the gap they leave behind – managing disrupted workflows, strained schedules, and unanswered questions. Without clear policies in place, it’s easy for these situations to snowball into bigger issues, like inconsistent decisions or even compliance risks.

Kaitlin Edwards | Dec 18, 2024

Does Wyoming Have a State Income Tax?

Wyoming is widely known for its lack of a state income tax, but that doesn’t mean it’s free from other types of taxation. The state relies on alternative revenue sources to fund public services and support its overall framework. In this article, we’re highlighting the types of taxes Wyoming imposes, additional fees you may need to know about, and how you can use Mosey to manage compliance. What Taxes Does Wyoming Impose?

Gabrielle Sinacola | Feb 18, 2025

What Is a Periodic Report & How Is It Created?

Generating reports is one of the most important things you can do as a business owner. You have a lot of things to keep track of, and most importantly, you have a lot of people who would appreciate being kept current on the state of your business and what your path forward will look like. Here’s what business owners should consider when preparing and creating periodic reports for important board members, investors, clients, and stakeholders.

Kaitlin Edwards | Feb 28, 2024

Ready to get started?

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