Division of Unemployment Insurance

Estimate your 2027 unemployment insurance tax rate with the UI Tax Calculator.

We are currently experiencing higher than normal call volumes and appreciate your patience. Many common questions can be answered online:
labor.delaware.gov/divisions/unemployment-insurance/claimant-faqs/ You can also email questions to: UIClaims@delaware.gov

Notice to Employers: Annual merit rate notices were issues Monday, April 6th, 2026. Due to this update, the deadline has been extended to May 29th, 2026

Employers who submit their quarterly UI wage reports and/or tax payments electronically via OES Diamond (Employers Portal), can now process their payments.
The system error previously experienced is now corrected.

Delaware Unemployment Insurance has decommissioned the Employer Self Service Portal (ESS) as of June 1, 2025. ESS was intended to provide employers with an additional electronic response option, similar to SIDES. However, the platform did not perform as expected and caused significant confusion. Employers should now submit all electronic responses exclusively through SIDES at

Our Mission

Minimize the impact unemployment has on the individual, their family, and community.

How can we help you?

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File an Unemployment Claim

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Claimant Services

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Employer Services

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Forms & Documents

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Report Fraud

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Web Benefits

Information Hotline

Unemployment Insurance (Statewide)

(302) 761-8446

Report Hiring with our office using the Delaware Business One Stop. If you’ve newly started a business with employees or are about to hire employees, make sure you report hiring to avoid penalties.

Visit One Stop