Cross-border assignments create complex tax obligations for both employees and employers. We ensure full compliance, fair outcomes, and zero surprises.
When employees move across borders, tax obligations multiply rapidly. Home-country and host-country taxes must be reconciled, social security agreements navigated, and benefit-in-kind arrangements properly structured — all while ensuring the employee feels fairly compensated.
Noah Mobility's taxation advisory services help companies and their employees understand and manage cross-border tax requirements with confidence. We work with qualified tax professionals in each jurisdiction to ensure every assignment is structured correctly from day one.
From tax equalisation policy design to shadow payroll and annual tax return support, we provide a complete framework that protects both the employer's compliance and the employee's take-home position throughout the assignment lifecycle.
Tax Jurisdictions
Compliance Rate
Years Advisory
Design and administration of tax equalisation policies ensuring employees are neither better nor worse off due to international assignment taxes.
Home-country and host-country tax return preparation and filing for internationally mobile employees.
Shadow payroll administration to ensure correct withholding tax and social security contributions in the host country.
Navigation of bilateral social security agreements, certificate of coverage applications, and totalization treaty planning.
Annual compliance health checks covering withholding obligations, reportable benefits, and employment tax exposure.
Pre-assignment tax cost modelling to help HR teams budget accurately for the full tax cost of international assignments.
Our streamlined process ensures a smooth experience for both HR teams and employees throughout every step of the taxation journey.
We model the tax position for both home and host country before the assignment starts, flagging any structural risks or opportunities.
We review or design the company's tax equalisation or protection policy to ensure it's fair, cost-effective, and compliant.
Monthly shadow payroll, withholding tax remittances, and ongoing compliance monitoring throughout the assignment.
Preparation and filing of home and host country tax returns, including hypo tax calculations and gross-up adjustments.
Final tax reconciliation, payroll true-ups, and any repatriation tax planning at the end of the assignment.
We work with certified tax professionals in every country, ensuring advice is locally accurate and legally sound.
All tax costs are visible in ARK ONE, giving HR real-time budget tracking alongside the operational relocation costs.
We brief assignees clearly on their personal tax position so there are no surprises and no erosion of confidence in the assignment.
We help companies design fair, competitive, and cost-efficient tax policies that support talent retention on international assignments.
All our taxation services are integrated with the ARK ONE platform — giving HR teams full visibility, real-time tracking, and a single source of truth for every case.
Let Noah Mobility handle the complexity while you focus on your people. Book a free demo today.