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.

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.

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

Hong Kong residency routes:

• General Employment Policy (GEP)
• Quality Migrant Admission Scheme (QMAS)
• Top Talent Pass Scheme (TTPS)
• Capital Investment Entrant Scheme (CIES) - recently revived
• Dependant routes

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.

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.

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

Hong Kong Limited companies are widely used for trading and holding structures. Annual filings, audited accounts, and a company secretary are required. Substance expectations and BEPS-driven changes affect ongoing planning.

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

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.

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

Local banking has tightened materially; some non-resident structures face long onboarding or rejection. EMIs and Singapore / Dubai banking are common alternatives. Bordercase coordinates introductions through current partners.

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

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.

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

Family relocation is supported on most residency routes. Schools (local, private, ESF, international) are competitive; international school waitlists are real.

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 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

Risks Bordercase watches for in Argentina:

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

Risks Bordercase watches for in Hong Kong:

• Company-only setups without substance face banking and audit friction
• Banking has tightened materially
• Political / policy shifts must be factored into long-horizon planning
• Annual audit and filing discipline is real

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 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

Typical Argentine documents:

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

Typical Hong Kong documents:

• Passport
• CV
• Education certificates
• Employment history
• Company documents (where applicable)
• Family certificates with notarisation