Unemployment Insurance (UI) for Employers | Mass.gov

Employers like you play an important role in providing unemployment insurance (UI) benefits to Massachusetts workers. UI benefits offer workers temporary income protection and professional support during periods of unemployment and uncertainty.
Employers fund the UI program, and serve as a resource for unemployed workers seeking UI benefits. The Department of Unemployment Assistance (DUA) manages the UI program, and is committed to helping you understand the Massachusetts unemployment insurance law.

Top tasks for Unemployment Insurance (UI) for Employers

Employer UI Online login

Register my business with DUA

All other tasks for Unemployment Insurance (UI) for Employers

Third Party Administrator (TPA) UI Online login

Submit employment and wage detail report

Pay unemployment insurance contributions to DUA

View annual rate notice

Authorize a third party administrator

Report unemployment insurance fraud

See all 13

Learn about the Employer Medical Assistance Contribution (EMAC) Supplement

Contact DUA as an employer

Current quarter filing deadlines

Employer responsibilities during the unemployment claims process

Employers subject to unemployment insurance (UI) contributions

Learn about employer contributions to DUA

See all 22

Contact Information

Phone

Employer Customer Service Line (617) 626-5075

Option 1

Password resets and account users

Option 2

EMAC Supplement Program and details of the EMAC Supplement liability determination

Option 3

Employer Liability

Option 4

Revenue collections and enforcement, certificate of compliance

Option 5

Benefit charges protest and submission

Option 6

All others, including Business Transfer, Audit, Employment and wage reporting, Rate information

Online

To access UI Online from a computer: Log in as an employer

Log in as a TPA

UI Online computer requirements

Learn more about this organization

DUA forms for employers

Unemployment workplace posters and pamphlets

The Employer's Guide to Unemployment Insurance (PDF 900.61 KB)

Employer UI Online User Guide (PDF 7.34 MB)

TPA UI Online User Guide (PDF 2.5 MB)

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