Global Mobility Tax Services logo
Let's chat

International Expansion & Global Mobility

Our Services

At GMTS, we provide global mobility and international expansion advisory services designed to help companies with internationally mobile professionals and private individuals with cross border issues navigate complex cross-border tax, immigration, payroll, HR, and social security requirements.

Our approach is pragmatic, client-focused, and hands-on: we deliver practical solutions without over-engineering, and all work is handled by our dedicated senior professionals, not outsourced to cheap-labour locations. This ensures efficient, compliant, and high-quality support at every stage of your international operations.

International Expansion & Global Mobility services
Global mobility and international expansion specialists supporting corporate clients and private individuals

Who We Serve

  • Multinational corporations and SMEs expanding into new jurisdictions

  • Internationally mobile employees and expatriates

  • HR, Payroll, and Tax teams seeking hands-on advisory support

  • High Net Worth Individuals (HNWI) with cross-border issues

Our clients choose us because we simplify complex global mobility processes, reduce administrative burden, and provide trusted, practical advice that aligns with their business and personal goals.

Our Service Categories

COMPANY COMPLIANCE

  • ENTITY SETUP AND REGISTRATION IN HOME AND HOST COUNTRIES
  • CROSS-BORDER PAYROLL AND SOCIAL SECURITY COMPLIANCE
  • TAX & SOCIAL SECURITY REGISTRATION
  • TAX REPORTING, FILINGS, AND REGULATORY DOCUMENTATION
  • ONGOING CORPORATE COMPLIANCE MONITORING
  • VAT ADVISORY & COMPLIANCE
  • TRANSFER PRICING

EMPLOYMENT & HR

  • EMPLOYMENT ADVISORY
  • EMPLOYEE HANDBOOK & EMPLOYMENT CONTRACTS
  • ASSIGNMENT LETTERS, T&E POLICIES, AND HR DOCUMENTATION
  • SALARY BENCHMARKING AND EXPATRIATE ALLOWANCE STRUCTURES
  • REMOTE WORKING POLICIES
  • POST-BREXIT ADVISORY
  • GDPR AND CROSS-BORDER DATA COMPLIANCE

GLOBAL MOBILITY

  • IMMIGRATION SUPPORT AND VISA/WORK PERMIT MANAGEMENT
  • ASSIGNMENT STRUCTURING, COST PROJECTION, AND LIFECYCLE PLANNING
  • CERT. OF COVERAGE / A1 APPLICATIONS
  • SHADOW PAYROLL AND MODIFIED PAYE SCHEMES
  • TAX EQUALIZATION POLICIES
  • ARRIVAL AND DEPARTURE BRIEFINGS
  • INDIVIDUAL TAX RETURNS (HOME / HOST)

TAX PLANNING & ADVISORY

  • CROSS-BORDER SHORT / LONG TERM TAX PLANNING AND ADVISORY
  • OPTIMISATION UNDER SPECIAL TAX REGIMES (E.G., 30% RULING NETHERLANDS, BECKHAM LAW SPAIN, ETC.)
  • TRANSFER PRICING, PERMANENT ESTABLISHMENT (PE) CONSIDERATIONS
  • PRIVATE INDIVIDUALS & CORPORATE TAX STRUCTURING AND PLANNING
  • REMOTE WORKING & DIGITAL NOMAD ADVISORY
Our ethos has always been to:
  • Provide quality services at a fraction of the fees larger organizations operating in our same industry may charge
  • Not to outsource our clients work to cheap labour locations (often at the expenses of quality)
  • Treat our clients and their employees as if it was ourselves trying to expand / move overseas / having cross-border issues with only a certain budget available
We achieve this by NOT over-indulging in:
  • Fanciful technical language
  • Endless "journeys of discovery" on non material aspects which only rack up the hours billed to clients
  • Advice which contains more caveats than actual practical solutions

Ready to simplify your international expansion or cross-border issues?

Take 2-Minute Risk Assessment – Free Personalised Report!

Get our FREE International Expansion & Global Mobility guide now!

FREE International Expansion & Global Mobility guide


    *
    By entering your information, you permit us to reach out to you with future communications and you accept our Terms and Conditions & Privacy Policy

    Linkedin X-twitter

    Copyright© Global Mobility Tax Services 2026
    16 Carlton Drive, London SW15 2BD, UK

    The content on this website has been prepared for informational purposes only, and is not intended to provide, nor should you rely on it for, legal, tax, or accounting advice in any jurisdiction. You should consult your own legal, tax, and accounting advisers as part of your international expansion and global mobility plans. Additional details can be found in our compliance statement.

    Services – About Us – Why Us – Who Are We – Hot Topics – Contact Us

    Terms & Conditions – Privacy policy – Cookie policy

    93% Miss This Risk!

    Is your setup optimal for ALL cross-border requirements? Check if YOU might be exposed to unnecessary risks

    Find out in 45 seconds