Payroll Client AccessWhat forms are required for new hire onboarding in Wisconsin?
BenHR > Required New Hire Onboarding Forms
Wisconsin's new hire onboarding involves a mix of federal forms, state withholding documents, and mandatory reporting steps. Employers must complete required paperwork, submit new hire reports on time, and provide specific notices during onboarding. Missing steps can create compliance exposure tied to payroll taxes, employment eligibility, or labor regulations.
BenHR supports Wisconsin employers with compliant onboarding workflows, required forms, and reporting processes aligned with state and federal rules.
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Required New Hire Forms for Wisconsin Employers
Federal New Hire Forms
All Wisconsin employers must complete standard federal onboarding forms, including:
- Form I-9 to verify identity and authorization to work in the United States
- Form W-4 to collect federal income tax withholding elections
Standard federal forms apply to every new employee, regardless of role or pay structure.
Wisconsin State Withholding Forms
Wisconsin employers may provide:
- Form WT-4 (Employee’s Wisconsin Withholding Exemption Certificate)
Form WT-4 allows employees to claim state withholding allowances. Employers may also use additional Wisconsin withholding forms depending on payroll setup or employee tax status.
Required Notices and Employer-Provided Documents
Beyond forms and reporting, Wisconsin employers must provide new hires with specific information during onboarding:
- A copy of the employer’s Workers’ Compensation insurance policy
- Access to the Wisconsin Fair Employment Law poster or pamphlet
- Written notice of the company's grooming and dress requirements
Many employers include dress and grooming standards within an employee handbook provided during onboarding.
Standard Onboarding Paperwork
In addition to required forms and notices, Wisconsin employers typically provide:
- Employee handbook or policy acknowledgments
- Payroll setup documents
- Benefit enrollment materials
- Workplace safety or job-specific forms
While some documents remain optional, consistent onboarding paperwork supports clarity and documentation across the workforce.
Partner With BenHR for Wisconsin New Hire Compliance
New hire onboarding touches payroll, tax reporting, labor law notices and internal policy communication. BenHR helps Wisconsin employers build onboarding checklists, organize required forms and manage reporting timelines with confidence.