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	Estonia Europe	Mexico North America	Grenada Central America & Caribbean	Bulgaria Europe
Overview	Estonia is a strong choice for digital-first founders and consultants because of e-Residency, transparent company administration, and English-friendly digital processes. Bordercase coordinates entity setup and banking readiness for cross-border operators.	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.

Residency	Estonian residency routes: Start-up visa - for founders of qualifying start-ups Digital nomad visa - for eligible remote workers Work permit - employer-sponsored Family routes - spouse / dependants Note: e-Residency is NOT a residence permit - it is a digital identity for managing an Estonian company remotely.	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.	Grenada routes: Citizenship by Investment (CBI) via fund contribution or qualifying real-estate investment Standard work permits Family routes	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.

Company setup	OÜ (private limited) is the standard structure, formed online via e-Residency or in person. Reporting obligations are real but proportionate; accounting partners are widely available.	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.	Domestic companies and IBCs are common in international structures.	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.

Banking	Estonian banks have tightened KYC for non-resident e-residents; many international founders rely on EMIs (Wise, Revolut Business, Payoneer, etc.) for day-to-day banking. Local bank accounts typically require strong substance evidence.	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.	Banking is selective. Bordercase coordinates banking introductions through current partners.	Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.

Family	Family relocation is supported on the work and start-up visa routes; schooling and healthcare access follow the main applicant's residency.	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.	CBI can include qualifying dependents.	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.

Risks	Common pitfalls Bordercase watches for: Confusing e-Residency with physical residency Banking-only setups without substance - likely flagged Crypto, gambling, and other regulated industries face additional friction Tax residence triggered by 183 days even without a residence permit	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 Grenada: Programme parameters change Due diligence has tightened Reputational and revocation risks if information is misrepresented	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

Documents	For e-Residency: Passport Application form Biometric collection at the chosen Estonian embassy or pickup point For physical residency: Passport Criminal record certificate Proof of income Accommodation evidence Health insurance Business plan (start-up visa)	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 CBI documents: Passport Due diligence questionnaires Source-of-funds evidence (extensive) Family certificates with apostille and translation	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.