Compare jurisdictions, side by side.

Spanish residency routes:

• Non-Lucrative Visa - passive income, no employment in Spain
• Digital Nomad Visa - remote workers and self-employed (Startups Law)
• Self-Employed Visa
• Entrepreneur Visa
• EU citizen-derivative routes

The Golden Visa has been phased out for real estate purchases.

Mexican residency routes:

• Temporary resident visa - via investment, employment, or qualifying income
• Permanent resident visa - via qualifying assets, retirement income, or after 4 years of temporary residency
• Family unity routes - for spouse and dependents of permanent residents / citizens
• Student visa

Permanent residency unlocks indefinite stay with work authorisation.

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).

Saint Kitts and Nevis routes:

• Citizenship by Investment (CBI) via the Sustainable Growth Fund
• CBI via approved real-estate investment
• Standard work / family routes

Citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.

SL (Sociedad Limitada) is the standard private company. Registration involves NIE / NIF, notary, mercantile registry, and tax registration. Spanish tax residency triggers worldwide income reporting; the Beckham Law (special tax regime) may apply to eligible relocated workers.

SA de CV (Sociedad Anónima) and S de RL de CV are the standard private entity types. Formation involves a notary, RFC (tax registration), and IMSS where staff are involved. Mexican tax residency is triggered by primary home and centre of economic interests.

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.

Nevis IBCs and LLCs are commonly used in international structures. Substance, beneficial ownership disclosure, and AML standards have tightened materially.

Personal banking for residents is straightforward; corporate banking depends on activity and structure. Bordercase coordinates introductions for non-standard cases.

Resident personal banking is broadly accessible; corporate banking depends on activity and structure. Source of funds and ownership clarity are central. Bordercase coordinates introductions for cross-border cases.

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.

Domestic and offshore banking options exist but have become more selective on KYC and source of funds. Bordercase coordinates banking pack preparation and partner introductions.

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

Family reunification is supported on most residency routes. International schools (English, German, French, Japanese) are widely available in major cities; bilingual public and private schools are common.

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

CBI applications can include qualifying dependants - spouse, children, and in some cases parents - under specific conditions.

Risks Bordercase watches for in Spain:

• Tax residency triggers - 183 days + centre of interests
• Beckham Law (special regime) eligibility
• Autonomous-community tax variation
• Hacienda audits when planning is unclear
• Past Schengen overstays must be disclosed

Risks Bordercase watches for in Mexico:

• Centre-of-economic-interests test for tax residency
• Real-estate restrictions in the "restricted zone" (50 km from coast, 100 km from borders) - fideicomiso or Mexican company structure needed
• Income thresholds for temporary / permanent routes change with minimum wage indexation
• Late-stage RFC and CURP registrations

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 Saint Kitts:

• Programme parameters change
• Due diligence has tightened materially
• Rejection rates have risen for incomplete or unclear source-of-funds presentations
• Visa-revocation and reputational risks if information is misrepresented

Typical Spanish residency documents:

• Passport
• NIE (foreigner identification number)
• Criminal record certificate with apostille
• Proof of income / assets
• Health insurance with full cover in Spain
• Accommodation evidence
• Marriage / birth certificates for family routes

Typical Mexican documents:

• Passport
• Apostilled foreign documents (birth, marriage, criminal record)
• Proof of income or qualifying assets
• Photographs to specification
• Mexican consular application abroad for most routes

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 CBI documents:

• Passport
• Due diligence questionnaires
• Source-of-funds evidence (extensive)
• Employment / business documentation
• Family certificates with apostille and certified translation
• Police clearance certificates for all countries of residence in the prior 10 years