Germany–U.S. Assignment Scenario
German Assignment to the United States
A temporary assignment from a German employer to the United States can create U.S. federal and state payroll, income-tax and social-security obligations even if the employee remains on German payroll. The assignment should be structured in advance so that immigration status, U.S. tax residency, payroll, benefits, social security and employer-level risks are coordinated.
Overview
A temporary U.S. assignment is not the same as a permanent transfer
The employee may remain employed by the German company while physically working in the United States for a defined period. That does not prevent U.S. federal or state tax, payroll and reporting rules from applying.
The assignment structure should match the actual work location, expected duration, host-company involvement, payroll process and social-security position. These factors also affect the employer's U.S. business-tax exposure.
German tax perspective
The German TaxRep counterpart focuses on German departure and assignment taxation, continued German payroll and the interaction with U.S. tax and social-security rules.
Assignment Structure
The assignment agreement should reflect the intended U.S. tax and payroll model
German home employer
The German company may remain the legal employer while the employee performs services in the United States. Duration, duties, reporting lines and cost allocation should be documented clearly.
U.S. host company
If a U.S. group company supervises the employee or bears employment costs, payroll, transfer-pricing and employer-tax analysis can change.
Expected return to Germany
A defined temporary assignment and expected return can be relevant for social-security coverage and residence planning, but the tax result still depends on the actual facts.
U.S. Payroll & Income Tax
German payroll can continue while U.S. payroll obligations are added
Federal wage withholding
Compensation for services performed in the United States can create federal wage-withholding and reporting obligations during the assignment.
State payroll
State income-tax withholding and employer registration must be checked separately for the state or states in which the employee works.
Shadow payroll
A shadow-payroll process can preserve German payroll while calculating U.S. taxable compensation, withholding and local reporting.
Tax equalization or protection
Employer policies should define hypothetical tax, actual tax, refunds, assignment allowances and who bears differences between German and U.S. tax.
Assignment Checklist
Items to settle before the employee starts working in the United States
Assignment dates
Document start date, expected end date, return plan and extension mechanics.
Immigration and U.S. tax status
Clarify visa status, Green Card position and expected U.S. tax-residency start before payroll is implemented.
State work location
Identify all states in which services will be performed and track workdays throughout the assignment.
Employment and cost structure
Identify the legal employer, host company, recharge arrangements and who bears salary and assignment benefits.
Social-security certificate
Determine whether German or U.S. coverage applies and obtain the relevant certificate where available.
Assignment benefits
Document housing, relocation, travel, schooling, tax preparation and any tax-equalization arrangement.
Related U.S.–Germany Guides
Continue with the employment and assignment issues
Employment & Social Security
Cross-border employment, payroll and social-security coordination.
Explore employmentGerman Employer – Employee in the U.S.
Broader employer and employee tax issues for work performed in the United States.
Explore employer issuesGerman Moving to the United States
Residence and moving-year issues surrounding relocation to the U.S.
Explore the moveUnited States–Germany
Return to the complete cross-border tax hub.
Back to hubGermany–U.S. Assignment Tax
Planning a temporary assignment from Germany to the United States?
We can coordinate assignment structure, U.S. federal and state payroll, tax residency, social security, certificate of coverage, benefits and employer-level tax risks.
Discuss the U.S. assignment
Social Security & Employer Risk
The bilateral agreement can prevent double social-security contributions
Continued German social security
A qualifying temporary assignment may allow continued German social-security coverage instead of immediate U.S. Social Security coverage.
U.S.–Germany Totalization AgreementCertificate of coverage
The certificate should be obtained and retained where the assignment relies on continued German coverage.
Certificate of coverageU.S. trade-or-business and PE exposure
The employee's role, work location and authority can create U.S. business-tax exposure for the German employer.
U.S. trade or businessState nexus
Federal treaty protection does not automatically eliminate state payroll or state business-tax nexus.
State tax nexus