Mobility no longer follows a simple assignment model The 2026 ECA Mobility Hub and a subsequent analysis by Blick Rothenberg, both published in September 2026, highlighted how cross-border remote work, short-term moves and frequent business travel have changed the operating model for global mobility. Employers can no longer rely on a small population of formally assigned expatriates. People cross borders for overlapping professional and personal reasons, while immigration, tax,

EY in November 2017 announced a partnership with Concur to develop services that help global business travelers manage tax and immigration compliance risks via Concur’s App Center. The integrated offering will capture relevant travel and business activity data within Concur. Using EY tax and immigration technology, the integration will analyze Concur data to make real-time assessments of a business traveler’s tax and immigration obligations before they travel. Corporate users