GTN Global Mobility Tax Blog - News and Notes

Aligning Equity, HR & Payroll for Compensation Management

Written by Tara Hagen, CPA, FGE | April 25, 2025

Managing a mobile workforce, especially at a time when business travel is high, presents unique challenges for equity compensation programs. When employees work across multiple jurisdictions, the complexity of tax reporting and withholding requirements increases exponentially. Success depends on effective collaboration between your equity, HR, and payroll teams.

This article outlines a proven four-step process to align these critical departments, helping you create a more streamlined, compliant, and employee-friendly equity compensation program. From identifying key challenges to implementing best practices, you'll learn practical strategies to enhance teamwork and improve outcomes for both your organization and employees.

Step 1: Identify key challenges in equity compensation management

Organizations face three primary challenges when managing equity compensation for a remote or mobile workforce:

  1. Tax regulations—income and social security rules

Navigating the complex web of tax regulations across multiple jurisdictions poses a significant challenge. Income tax and social security rules vary by country, state, and sometimes even by city, each with unique requirements.

For instance, if an employee relocates from California to New York while holding stock options, both states may assert taxing rights on different portions of the equity income. Similarly, cross-border moves can trigger diverse social security obligations that often operate independently from income tax rules, adding another layer of complexity.

  1. Executing on tax compliance amid reporting complexity

The intricate reporting requirements for equity compensation—spanning federal, state, and international levels—make compliance execution challenging. From tracking vesting events and employee movements to managing varying tax withholding obligations, organizations must coordinate across multiple functions. Failure to properly execute reporting can lead to compliance risks, financial penalties, and employee dissatisfaction.

  1. Data management and communication gaps

Maintaining accurate, real-time data on employee locations and movements is critical for proper equity administration. Yet, many organizations struggle with fragmented data systems and insufficient communication channels. Without timely updates, essential information about employee relocations or multi-jurisdictional work arrangements may not reach payroll, HR, or tax teams in time to ensure compliance.

Download our free Mobile Equity Compliance Roadmap meant to help you navigate common tax considerations if your mobile employees receive equity-based compensation.

Step 2: Build a cross-functional equity management team

After identifying the key challenges, the next crucial step is assembling and organizing the right team to manage your equity compensation program. Each department brings unique insights and responsibilities that, when properly coordinated, create a comprehensive management approach:

Core team responsibilities

Equity team

  • Manages broker reporting requirements
  • Determines appropriate share withholding amounts
  • Oversees tax rate calculations for equity transactions
  • Maintains equity plan documentation and compliance
  • Communicates equity plan details, tax implications, and transaction processes to employees

HR team

  • Tracks employee movements and relocations
  • Manages non-traditional work arrangements (e.g., remote work, commuters, business travelers)
  • Oversees hiring location decisions
  • Documents length of stay in various jurisdictions
  • Maintains current employee residence and work location data
  • Supports employee communication regarding mobility policies and how relocations impact equity compensation

Payroll team

  • Handles global compensation reporting
  • Manages tax remittances across jurisdictions
  • Ensures compliance with local payroll regulations
  • Coordinates with local payroll providers
  • Provides employees with accurate pay-related information, including equity-related withholdings and tax reporting

Supporting departments

The following teams should also be included in key discussions and may share responsibilities in employee communication:

  • Corporate Tax: Oversees permanent establishment risks and transfer pricing
  • Finance: Manages chargebacks and accruals
  • Legal: Ensures compliance with local securities and labor laws

For organizations with limited resources, cross-training between departments can be particularly valuable. For instance, HR team members can be trained on basic equity administration principles, while payroll staff can learn about mobility tracking requirements. This cross-pollination of knowledge often leads to creative solutions and improved process efficiency.

🧭 Real-world coordination example

When an HR team member immediately notifies payroll and equity teams about an employee's upcoming move from Texas to California, it allows payroll to adjust withholding requirements and the equity team to update broker reporting instructions before the first equity event occurs in the new location. This proactive communication prevents compliance issues and eliminates the need for costly corrections later.

Step 3: Establish effective communication and accountability processes

Once you've identified key challenges and assembled your cross-functional team, implementing structured communication processes and clear accountability measures is essential for program clarity and success.

As shown in the chart below from a 2023 webinar, nearly 70% of organizations rarely or never meet across departments to discuss equity compensation matters.

A lack of regular communication creates significant risks for both employers and employees, potentially leading to compliance issues and administrative challenges.

Here's how to create an effective meeting framework:

1. Create a regular meeting structure

Create a consistent meeting cadence with clear objectives:

  • Schedule monthly or bi-weekly meetings with all key stakeholders
  • Set specific goals for each meeting, such as reviewing upcoming equity events, discussing employee movements, and addressing compliance challenges
  • Establish Key Performance Indicators (KPIs) to monitor day-to-day execution and identify trends, such as:
    • Percentage of equity transactions reported accurately on first attempt
    • Number of retroactive adjustments needed per quarter
    • Average response time for addressing mobility-related equity issues
    • Compliance with filing deadlines across jurisdictions

2. Develop an information sharing protocol

Create standardized reports that track:

  • Upcoming equity vesting events
  • Recent and planned employee relocations
  • Changes in work arrangements (remote, hybrid, office-based)
  • Tax withholding requirements by jurisdiction

Develop clear workflows for communicating critical updates. For example, when HR learns of an employee relocation:

  • HR immediately notifies both equity and payroll teams
  • Equity team updates broker instructions and share withholding requirements
  • Payroll adjusts payroll systems and reporting structures
  • All teams document the changes in their respective systems

3. Establish success metrics and accountability

Monitor program effectiveness through strategic, program-level metrics. These are best reviewed on a quarterly or annual basis to assess long-term outcomes and drive continuous improvement.

  • Track resolution time for equity-related issues
  • Measure accuracy of tax withholding calculations
  • Monitor employee satisfaction with equity administration
  • Document compliance with reporting deadlines
  • Review frequency and effectiveness of team communications
📈 Real-world impact example

A technology company implemented this structured approach and saw immediate benefits when an employee relocated from California to Germany. Because their HR team promptly shared the move information through their established protocol, the equity team was able to adjust the share withholding requirements before the employee's next RSU vest, while payroll updated their systems to accommodate German social security requirements. This proactive collaboration prevented compliance issues and provided a smooth experience for the employee.

Step 4: Implement best practices and continuous improvement

To support the long-term success of your equity compensation program, implementing these best practices and maintaining a focus on continuous improvement is crucial:

Technology and systems integration

While each team may use different systems, ensuring proper integration and data sharing capabilities is essential:

  • Establish automated data feeds between HR, payroll, and equity systems where possible
  • Create standardized reports that can be easily shared across departments
  • Implement version control for critical documentation
  • Use shared calendars for key equity events and deadlines

Risk management protocols

Develop processes to identify and address potential issues before they become problems:

  • Create checklists for common scenarios (e.g., new hire equity grants, relocations, exits)
  • Establish escalation procedures for complex cases
  • Maintain an updated repository of jurisdiction-specific requirements
  • Document lessons learned from past challenges

Proactive employee communication strategy

Success of your equity program ultimately depends on employee understanding and satisfaction:

  • Develop clear communication templates for different equity events
  • Create an FAQ document that addresses common questions
  • Establish points of contact within each team for employee inquiries
  • Schedule regular educational sessions for employees about their equity benefits
💡 Real-world application example

Consider a scenario where an employee starts working remotely from France while maintaining their US equity grants.
  • HR identifies and communicates the change in work location
  • Payroll adjusts withholding to account for French tax requirements
  • The equity team updates broker instructions and share withholding calculations
  • The employee receives clear communication about how their equity administration will change

This coordinated approach helps prevent tax surprises, ensures proper withholding, and maintains employee satisfaction with their equity benefits.

Driving success through team alignment: key takeaways

Managing equity compensation for a mobile workforce requires a well-coordinated effort across multiple departments. By following the four key steps outlined above:

  1. Identifying key challenges
  2. Building your cross-functional team
  3. Establishing effective communication and accountability processes
  4. Implementing best practices

Organizations can create a more efficient, compliant, and employee-friendly equity compensation program.

GTN’s equity tax professionals, enabled by our Mobile Equity Management solution, help clients manage the equity requirements of their global and domestic cross-border workforce—including self-initiated moves, permanent transfers, and business travelers. By incorporating leading practices and a collaborative approach to providing services and guidance, we deliver a tailored approach to support clients with managing their equity tax compliance needs.

Schedule a call with one of our equity tax professionals to explore how we can help you stay compliant and confident in managing mobile equity for your workforce.

See how our equity professionals and robust technology work together to ensure you meet your equity compliance needs: