Compare jurisdictions, side by side.

Polish residency routes:

• Blue Card - high-skilled employees
• Temporary residence via employment
• Self-employment / entrepreneur routes
• Family reunification
• EU citizen-derivative routes

Permanent residence typically after 5 years.

German residency routes:

• Blue Card - high-skilled employees
• Freiberufler / Selbständig - freelancer / self-employed
• Employer-sponsored work permits
• Entrepreneur visa
• Family reunification

Permanent residence typically after 5 years (faster on Blue Card).

Argentine residency routes:

• Rentista visa - passive income / pension
• Investor visa - qualifying investment in an Argentine business
• Worker visa - employer-sponsored
• Family routes - spouse, children, parents
• MERCOSUR fast-track for nationals of member states

Common Portuguese residency routes:

• D7 - passive income / pension
• D8 - digital nomad / remote work
• D2 - entrepreneur / self-employed
• D3 - highly qualified workers
• Tech Visa - eligible tech roles via accredited companies
• Golden Visa - restricted in scope after recent reforms
• Family reunification on most permits

Each has different income, residency-day, and renewal requirements.

Sp. z o.o. (limited liability) is the standard private entity. Online formation via S24 is possible; otherwise notary registration. Tax registration, VAT, and ZUS (social contributions) follow. CIT and the new estonian-style lump-sum CIT regime may apply.

GmbH and UG (haftungsbeschränkt) are common structures. Notary involvement is required for formation. Tax registration, trade registration (Gewerbeanmeldung), and German GAAP / tax accounting standards apply.

SA (Sociedad Anónima) and SRL (Sociedad de Responsabilidad Limitada) are the standard structures. CUIT, IGJ registration, and AFIP tax registration follow.

Portugal supports Lda (private limited) and SA (public limited) structures. Tax registration, social security registration, and a Portuguese tax representative are typically required. Substance, accounting, and reporting obligations are real.

Personal and corporate banking for residents is widely accessible. Non-resident structures take longer; documentation must be tight. Bordercase coordinates introductions where useful.

Personal banking for residents is well established; certain non-resident structures take longer. SCHUFA history is relevant for residents. Bordercase coordinates introductions for cross-border cases.

Residency unlocks personal banking. Forex controls and currency volatility are part of the landscape; multi-jurisdiction structuring is common.

Personal accounts are accessible to residents and many non-residents; documentation is structured and predictable. Corporate banking depends on company structure and intended activity; Bordercase coordinates with banking partners for introductions.

Family reunification is supported on most residency routes. International schools (English, German, French) are concentrated in Warsaw, Kraków, and Wrocław.

Family reunification is well supported. Schools (public, private, bilingual, and international) are widely available; international schools are concentrated in major cities.

Family reunification is supported on most routes. Schools (public, private, English, German, French) are widely available in Buenos Aires.

Family reunification is supported on most residency routes. Schools (public, private, and international) are widely available; the public system is generally accessible to legal residents.

Risks Bordercase watches for in Poland:

• Long visa processing in some voivodeships
• CIT and ZUS planning often gets done late
• Centre-of-interests analysis for tax residency
• Estonian-style lump-sum CIT regime eligibility

Risks Bordercase watches for in Germany:

• Tax residency triggers (183 days + centre of interests)
• Late VAT registration on cross-border services
• Language and bureaucratic friction in some Länder
• Freiberufler vs Gewerbe classification disputes

Risks Bordercase watches for in Argentina:

• Currency / forex controls
• Tax residency triggers
• Document apostille + Spanish translation requirements

Risks Bordercase watches for in Portuguese cases:

• AIMA processing delays (formerly SEF)
• Misalignment between visa type and actual activity
• Tax residence triggered by accident - NHR window timing matters
• Past EU Schengen overstays must be disclosed
• Real estate vs investment routes have changed materially

Typical Polish residency documents:

• Passport
• Criminal record certificate
• Proof of address
• Employment contract or business plan
• Health insurance
• Marriage / birth certificates for family

Apostilled and translated to Polish.

Typical German residency documents:

• Passport
• Recognised qualifications (where required)
• Contract or business plan
• Accommodation evidence (Anmeldung)
• Health insurance
• Family certificates

Apostilled and translated to German.

Typical Argentine documents:

• Passport
• Criminal record certificate (apostilled)
• Marriage / birth certificates for family
• Proof of income or investment
• Health insurance

Typical document pack for Portuguese residency:

• Passport
• NIF (Portuguese tax number)
• Proof of accommodation (lease, deed, or invitation)
• Proof of income or assets (varies by route)
• Criminal record certificate with apostille
• Health insurance valid in Portugal
• Marriage / birth certificates for family routes
• Certified translations where required