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	Mexico North America	Bulgaria Europe	Spain Europe
Overview	Mexico is a large North American economy with established routes for residency, growing remote-worker visa programs, and a strong fit for founders building toward Latin American customers. Bordercase coordinates with licensed Mexican partners for filings.	Bulgaria is an EU member state with competitive corporate tax, structured residency routes, and a well-developed digital infrastructure. Bordercase coordinates with licensed Bulgarian partners for filings.	Spain offers structured EU residency routes for individuals, families, and entrepreneurs, including the digital nomad visa introduced under the Startups Law. Bordercase coordinates with licensed Spanish partners for filings.
Best for	Founders Families Latin America hub Cost of living	Founders EU access Cost of living	Families Remote workers EU access Cost of living
Currency	MXN	BGN / EUR transition	EUR
Language	Spanish	Bulgarian	Spanish
Time zone	UTC-6	UTC+2	UTC+1
EU member	No	Yes	Yes
Schengen	No	Yes	Yes
Residency	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.	Bulgarian residency routes: Employment-based residence Business / self-employment routes Retirement / pensioner residency Family reunification EU citizen-derivative routes Permanent residence typically after 5 years.	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.
Company setup	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.	OOD (LLC) and EOOD (single-shareholder LLC) are common structures. Formation is well-documented. Corporate tax is at a flat rate; VAT registration depends on activity.	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.
Banking	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 and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.	Personal banking for residents is straightforward; corporate banking depends on activity and structure. Bordercase coordinates introductions for non-standard cases.
Family	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 supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	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.
Risks	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 Bulgaria: Tax residency triggers VAT classification on cross-border services Processing variations between regions Euro adoption is in progress - operational planning needed	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
Documents	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 Bulgarian residency documents: Passport Criminal record certificate Proof of address Basis for residence (employment, business, etc.) Health insurance Family certificates Apostilled and translated to Bulgarian.	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

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