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+1 303.219.7291 Our global mobility publication on tax provides readers with the information and tools they need to make informed decisions about their move and the tax implications. The resource provides a comprehensive guide, covering topics such as income tax, international tax rules, international double taxation, bilateral tax treaties, and the tax challenges experienced by globally mobile workers.
Global Mobility Tax Book
The global mobility tax book is a resource to help mobile employees understand the complexities and compliance requirements associated with global mobility and international tax rules.
Review Order OptionsWhat Makes Our Global Mobility Tax Book an Indispensable Resource
The new 2026 tax laws have significantly changed the tax landscape for all tax year 2026 assignments/moves. Globally mobile employees who have been relocated or assigned to work in a different location, whether it’s a temporary assignment lasting less than a year or a permanent one lasting over a year, or those classified as an extended business traveler, need to be aware of various new tax year 2026 personal income tax filing obligations.
A Key Resource for Mobility Packages
Our global mobility tax book helps employees leverage and plan for the significant tax implications and compliance challenges associated with their move or assignment, making this a key part of their mobility package.
Answers to Your Tax Questions
Purchasers of the tax book can directly access Ineo’s mobility tax experts. Whether you’re seeking information on different tax systems, our tax professionals will answer your questions within a few hours.
Free & Fast Shipping
Most orders of our global mobility publication are shipped or emailed to you within two business days. Shipping is always free.
Mobility Tax Advisor 2027 for the Tax Year 2026
The Mobility Tax Advisor’s key components include state and local tax rate coverage, plus the new Tax Reform laws covered in detail:
- New: All the 2026 and proposed 2027 mobility tax effects for employees who move or go on assignment are discussed in great detail.
- New: Child Tax Credits Phase-Outs – Will significantly affect over 50% of most transferees and assignees
- New: Payroll withholding issues – taxable mobility expenses are typically withheld at the 22% federal supplemental rate and applicable state rate versus the employee’s actual marginal tax bracket which typically causes a very significant year-end tax withholding shortfall for most all transferees/assignees.
- New: Convenience of the Employer Rule – Virtual presence vs. actual presence test – Mobility Tax Impacts
- A Component of Talent Management and enhancing the employee experience.
- Provides Tools needed to stay compliant
- W-2c “Insurance” – get your employees mobility tax questions answered
- Maximize Moving Expense deductions in seven (7) states AR, CA,HI, NJ, NY, PA and WI.
- Helps in decision making process to buy or rent in the new location
- Helps decide to live in one state and /or locality vs. another
- New: Explains the implications of the non-conforming states so your employees can maximize their 2026 and 2027 moving expense tax deductions
- New: The new 2026/7 W-2 compliance filing requirements
- A brand-new example of the 2026 Relocation Tax Report and 1040 filing requirements
- In depth explanation of new child tax credits and how it might impact a transferee’s refund
- How to provide “with and without” move tax gross-up analysis for transferees using the new, lower, supplemental tax rate
- New: How the new State and Local Tax (SALT) limitations affects your transferees and assignee’s ability to deduct their state and local gross-ups
- New: Extended Business Travelers and Short-Term Assignments, helps manage and provides detailed guidance, helps both the employee and company stay compliant.
- And more…
What’s Inside the Global Mobility Tax Book:
Features:
- Tools needed to stay compliant
- W-2c “Insurance”
- Maximize Moving Expense deductions
- A brand new example of the 2026 Relocation Tax Report and 1040 filing requirements
- A component of Talent Management and enhancing the employee experience
- In-depth explanation of new child tax credits and how it might impact a transferee’s refund
Benefits:
- Explains how to provide “with and without” move tax gross-up analysis for transferees using the lower, supplemental tax rate helps in the decision-making process to buy or rent in the new location
- Helps employees decide to live in one state and/or locality vs. another
- And more…
Global Mobility Resources
Learn more about what’s going on at Ineo and insights into the complex world of global mobility from the industry’s top thought leaders and innovators.
Order the Tax Support You Require Today!
In addition to our Mobility Tax Advisor Guide, we also offer Tax Consultation Support and Q&A Subscriptions so we can better meet your tax needs, whatever they may be.
Or, make a secure payment to Ineo here
Clarify Global Tax Obligations with Confidence – Contact Us
Whether you are new to the world of global mobility or you’ve been in the business for a while, Ineo is here to assist you.
Contact us to learn how our mobility tax services can support your global mobility program.
Get StartedFrequently Asked Questions About Global Mobility Tax Book
Who should use the Global Mobility Tax Advisor – HR, employees, or tax professionals? 
The Global Mobility Tax Advisor is designed for HR professionals, employees, and tax advisors alike to provide clear, practical guidance on global mobility tax issues.
Can I use the global mobility tax book as part of our corporate mobility training materials?
Yes, it is suitable as a training resource for corporate mobility teams to enhance understanding of international tax topics.
Where can I purchase the international tax primer?
Our international tax book, along with many of our other tax resources, can be purchased directly from this page. Click here to purchase our tax resources.
What other resources does Ineo offer for understanding global mobility?
Ineo offers numerous resources to help multinational corporations, tax practitioners, and global mobility practitioners understand and manage international tax, including Tax Consultation Support and Q&A Subscriptions.
How can the Global Mobility Tax Book help HR professionals manage global mobility taxation?
The Global Mobility Tax Book is an invaluable resource for HR professionals, offering insights into the complex tax requirements of globally mobile employees. It provides essential tools for understanding compliance issues, calculating deductions, and staying updated on changes in global mobility taxation laws, helping HR teams ensure smooth transitions for international assignees.
Is the Global Mobility Tax Book a one-time resource or does it offer ongoing updates on global mobility taxation?
The Global Mobility Tax Book offers live updates, ensuring that HR professionals and employees stay informed about the latest changes in global mobility taxation. With new tax regulations and shifting policies for tax year 2025 and beyond, the book provides continuous guidance to help users adapt to evolving tax laws.