Mobility Tax, Built Around Your Program
How GTN supports mobility tax across planning, compliance, payroll,
and workforce management
Mobility tax is more than a single service
Mobility tax goes beyond individual tax returns. It brings together planning, compliance, payroll coordination, reporting, and ongoing support—often across multiple jurisdictions and complex regulatory requirements.
GTN’s mobility tax capabilities support organizations throughout the entire mobility lifecycle. By aligning tax planning, compliance, and operational support with your program structure and workforce profile, we help mobility teams manage risk, maintain visibility, and deliver a consistent employee experience.


Core Mobility Tax
At the foundation of GTN’s mobility tax support are capabilities that help organizations plan for, manage, and administer the tax aspects of employee mobility across countries and assignment types.
- Tax consulting and planning
- Employee tax briefings and counseling
- Global tax compliance for mobile employees, including expatriates and foreign nationals
- Home and Host country tax return preparation
- Tax payments, extensions, and filing coordination
- Foreign financial reporting, including applicable information returns
- Hypothetical tax calculations and reconciliation
- Tax equalization policy support, including development and application
- Permanent transfer tax support
- Notice and audit support
- Certificates of coverage and social security coordination

Payroll & Reporting
Payroll and tax reporting are key components of mobility programs. GTN’s capabilities help organizations manage cross-border payroll, reporting, and compliance requirements across jurisdictions.
- Shadow payroll coordination and oversight
- Payroll reporting and withholding support for cross-border compensation
- Gross-up calculations and benefit tracking
- Year-end payroll reconciliation
- Coordination with internal payroll teams and external vendors
- Cross-border income sourcing and allocation support

Equity & Long-Term Incentive Compensation
Equity and long-term incentive compensation can add complexity to mobility tax. GTN’s capabilities help organizations manage the tax and reporting considerations associated with mobile incentive compensation.
- Tracking and reporting of mobile equity and other long-term incentive awards
- Cross-border tax considerations related to vesting, exercise, and payment events
- Coordination between payroll, incentive plan administrators, and tax reporting
- Alignment of long-term incentive compensation with mobility tax and payroll reporting requirements across jurisdictions
- Cross-border income sourcing and allocation support

Workforce & Risk Management
As workforce models evolve, managing mobility-related tax and compliance risks becomes more complex. GTN’s capabilities help organizations identify and address these risks across mobile employees.
- Business traveler compliance support
- Remote worker risk assessment and tracking
- Permanent transfer tax support
- Employer risk identification and mitigation related to workforce mobility

Program & Employee Support
Supporting mobile employees requires clear communication and coordinated processes. GTN’s capabilities help organizations deliver consistent support across the mobility lifecycle.
- Employee tax briefings and counseling
- Off-program and self-initiated move support
- Technology-enabled document collection and communication
- Ongoing coordination throughout the assignment lifecycle
How these capabilities work together
Mobility tax is most effective when planning, payroll, compliance, and employee support operate together. GTN brings these capabilities into a coordinated approach aligned to your mobility program, workforce profile, and internal processes.
Our approach adapts as your program evolves, helping you maintain visibility, manage risk, and support employees across the mobility lifecycle.
Metrics based on 2025 taxpayer survey responses.

Learn more about mobility tax
Want a clearer understanding of how mobility tax comes together across planning, payroll, compliance, and workforce management? Our detailed article breaks down the key components and what they mean for your program.
Let’s talk about your mobility program
Every mobility program is different, and the level of support required will vary based on workforce size, locations, and internal resources. Whether you’re refining an existing program or navigating new mobility challenges, GTN can help you explore how mobility tax capabilities align with your broader objectives.


