Mississippi Department of Employment Security (MDES)

Oct 27, 2025

Access the Mississippi Department of Employment Security (MDES) here.

The Mississippi Department of Employment Security (MDES) is a state agency responsible for overseeing unemployment insurance, workforce development, and job training programs in Mississippi. MDES works to connect job seekers with employment opportunities and provide support to individuals who are unemployed or underemployed in the state.

Agency Accounts

Mississippi Unemployment Insurance Account

Access your online account via Mississippi Department of Employment Security.

The Mississippi Unemployment Insurance Account allows you to set up and manage the following information:

  • MDES Employer Account Number (UI)
  • Initial Unemployment Insurance (UI) Tax Rate : UI tax rate assigned when the account is opened.

Find out more on how to stay compliant with the Mississippi Department of Employment Security (MDES):

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

Quarterly Wage and Tax Report Requirements Explained

As a business owner, you’re responsible for keeping track of many key compliance issues. Each type of report has different requirements and due dates. The Quarterly Wage and Tax Report is an essential compliance matter that significantly impacts your ability to run your business. Filing a quarterly wage report, meeting unemployment tax requirements, and making a regular quarterly contribution to every mandatory tax account can be challenging, but Mosey is here to make things easier. Here’s what you need to know about quarterly wage report requirements and how we can help you stay compliant.

Gabrielle Sinacola | Jul 1, 2024

Annual Withholding Reconciliation State Requirements & Deadlines

Payroll taxes are a fact of life for any business with employees. As an employer, you’re responsible for withholding the right amounts from employee paychecks and sending those funds to the appropriate tax authorities. Annual withholding reconciliation is the process where you compare all those withheld taxes with the amounts you’ve actually submitted throughout the year. This final step ensures you’re square with the government and your employees receive accurate tax documents.

Gabrielle Sinacola | Jul 3, 2024

Ready to get started?

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