The EU is a single market of 27 member states (post-Brexit), a customs union, a substantially single regulatory regime, a free-movement-of-people zone for EU citizens, and the most influential global regulator in fields ranging from data privacy (GDPR) to chemicals (REACH) to medical devices (MDR/IVDR) to AI (the EU AI Act) to corporate sustainability (CSRD). For practitioners across the 100 subjects, the EU view documents what it takes to work, hire, sell and migrate within and into this market.
Migration into the EU for non-EU practitioners runs primarily through the EU Blue Card (skilled-worker visa, harmonised across most member states, with country-specific shortage-occupation lists), the ICT Directive (intra-corporate transfers), national skilled-worker schemes (Germany's Skilled Immigration Act, France's Talent Passport, Netherlands' Highly Skilled Migrant, Sweden's work-permit regime, etc.), the EU Search Year visa programmes (Germany's job-seeker visa, Netherlands' Orientation Year), and country-specific entrepreneur and investor visa programmes (Portugal's Golden Visa transitions, Spain's investor visa, Italy's investor visa, Greece's investor visa).
Credential recognition in the EU is governed by the Professional Qualifications Directive for the regulated professions (medicine, nursing, architecture, dentistry, pharmacy, veterinary, midwifery, lawyer-establishment) — these are mutually recognised across EU member states for EU-trained practitioners. For non-EU-trained practitioners, each member state runs a credential-bridging programme (typically a knowledge-test, language-test, supervised-practice combination). Engineering, accountancy, IT, design and most other subjects are not regulated at EU level and operate on employer-recognition.
The EU as regulator sets the floor for many of the 100 subjects globally. GDPR shapes data-protection practice everywhere. REACH shapes chemicals and product-formulation globally. MDR/IVDR shapes medical-devices design globally. The EU AI Act sets the global floor for AI-system regulation. Practitioners across the EU's regulatory orbit — even those operating outside the EU — have to know these regimes.