St. Louis, MO Earnings Tax Department

Jan 22, 2026

Access the St. Louis, MO Earnings Tax Department here.

The St. Louis, MO Earnings Tax Department is a state agency in Missouri responsible for administering and collecting earnings taxes from individuals and businesses within the city limits of St. Louis. This department ensures compliance with local tax laws and regulations, providing resources and assistance to taxpayers to help them meet their tax obligations.

Agency Accounts

St Louis City Income Tax Account

The St Louis City Income Tax Account allows you to set up and manage the following information:

  • St. Louis Earnings Tax Account

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.

Mosey Partners with Deel US for State and Local Compliance

Deel’s US customers now have access to Mosey’s state and local compliance service. Since the pandemic, the way we live and work has changed. More and more people work remotely, both across the US and internationally. This can be a huge benefit for employees and for businesses’ access to talent, and it can also be a huge headache making sure your business complies with all the laws that now apply across payroll, HR, tax and registration in all those different international countries, US states, counties and cities.

Alex Kehayias | Dec 10, 2023

15 Crucial HR Policies for Your Employee Handbook

Creating an employee handbook with clear HR policies can save businesses a lot of grief in the long run. A handbook helps define company expectations, guides employees, and ensures compliance with legal standards. This is Mosey’s guide to the 15 crucial HR policies that should be included in your employee handbook. These policies help maintain a healthy work environment and protect your company and its employees.

Gabrielle Sinacola | Nov 11, 2024

How to Form a Colorado LLC: Quick Guide for 2025

Forming a Colorado LLC takes just $50 and a single online filing through the Colorado Secretary of State. But miss one critical step—like appointing a registered agent or securing your limited liability company name—and you’re looking at delays that could derail your launch timeline. Colorado makes limited liability company formation refreshingly simple compared to other states. No publication requirements like Arizona. No franchise taxes like California. Just straightforward online filing through the Secretary of State’s website, plus some essential compliance requirements that keep your business protected and operating legally. This guide walks you through each requirement, from choosing your LLC name to maintaining good standing with annual reports.

Paul Boynton | Sep 17, 2025

Ready to get started?

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