Compare jurisdictions, side by side.

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.

Montenegrin residency routes:

• Temporary residence via employment
• Business / self-employment
• Real-estate ownership
• Family reunification

Permanent residence typically after 5 years.

Mauritius residency routes:

• Premium Visa - remote work
• Occupation Permit - investor / professional / self-employed
• Residence Permit by property purchase - within approved schemes
• Family routes

Cayman Islands residency routes:

• Certificate of Permanent Residence for Persons of Independent Means - qualifying investment
• Residency Certificate (Substantial Business Presence) - operating a qualifying business
• Work permits for employer-sponsored roles
• Family routes

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.

DOO (limited liability) is the standard structure. Formation is well-documented and reasonably fast. Tax and VAT registration follow.

GBC (Global Business Company) and Domestic Companies are the standard structures. Substance requirements following OECD reforms must be considered; the GBC framework has evolved materially.

Exempted Companies, LLCs, and partnerships are widely used in fund and holding structures. Economic substance rules apply to relevant activities.

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.

Personal banking for residents is accessible. Corporate banking depends on activity. Bordercase coordinates introductions where useful.

Local banks support resident and corporate accounts; KYC and source-of-funds requirements are real. Bordercase coordinates banking introductions.

Banking is mature but selective. Source-of-funds documentation is central. Bordercase coordinates introductions through current partners.

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 inclusion on residency applications is supported. International schools are available in Podgorica and on the coast.

Family inclusion is supported. International schools are available in major regions.

Family inclusion is supported on most residency routes. International schools are concentrated on Grand Cayman.

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 Montenegro:

• Tax residency triggers
• EU accession dynamics may change rules over time
• Processing variations between municipalities
• Schengen entry / exit considerations for travel planning

Risks Bordercase watches for in Mauritius:

• Substance reform impacts on Global Business Companies
• FATCA / CRS reporting on related accounts
• Mauritian residency vs physical-presence-based tax residence elsewhere
• Banking introductions vary by activity

Risks Bordercase watches for in the Cayman Islands:

• Economic substance reporting and audit
• Reputational handling around offshore structures
• KYC tightening across the industry

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 Montenegrin residency documents:

• Passport
• Criminal record certificate
• Proof of accommodation
• Basis for residence
• Health insurance
• Family certificates

Apostilled and translated.

Typical Mauritius documents:

• Passport
• Criminal record certificate
• Proof of income / investment
• Health insurance
• Accommodation evidence
• Marriage / birth certificates for family

Apostille where required.

Typical Cayman documents:

• Passport
• Source-of-funds evidence
• Health and police clearances
• Apostilled foreign documents
• Family certificates for dependents