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	Bulgaria Europe	United Kingdom Europe	Brazil Latin America
Overview	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.	The United Kingdom is a major global jurisdiction with structured (and competitive) residency, business, and skilled-worker routes. Bordercase coordinates with licensed UK partners for filings.	Brazil is the largest Latin American economy with structured residency routes and growing remote-worker visa pathways. Bordercase coordinates with licensed Brazilian partners for filings.
Best for	Founders EU access Cost of living	Founders Skilled workers Global hub Banking English admin	Latin America hub Founders Families Digital nomads
Currency	BGN / EUR transition	GBP	BRL
Language	Bulgarian	English	Portuguese
Time zone	UTC+2	UTC+0	UTC-3
EU member	Yes	No	No
Schengen	Yes	No	No
Residency	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.	UK residency routes: Skilled Worker visa - employer-sponsored Innovator Founder visa - for endorsed founders Global Talent visa - for endorsed experts Self-Sponsorship via own company (with substance) Family routes - spouse / partner / dependents Ancestry visa for eligible Commonwealth nationals	Brazilian residency routes: Investor visa (VIPER / VITEM) - qualifying investment in a Brazilian business Digital nomad visa - remote workers Retirement visa - qualifying pension income Family reunification Employer-sponsored work permits
Company setup	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.	UK Limited companies are widely used internationally. HMRC corporation tax, VAT thresholds, and PSC (people with significant control) reporting apply. Substance expectations have tightened.	Ltda and SA are the standard structures. CNPJ registration, state registrations, and Receita Federal tax registration follow. The MEI regime suits micro-entrepreneurs.
Banking	Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.	Resident banking is mature but onboarding is slow for non-residents. Many international founders use UK EMIs (Revolut, Monzo Business, etc.) alongside high-street accounts. Bordercase coordinates introductions for cross-border cases.	Residency unlocks personal and corporate banking. Pix has changed everyday payments; SWIFT for international flows still requires careful KYC.
Family	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	Family reunification is supported. Schools (state, private, international) are widely available; competition for top schools is real.	Family reunification is supported on most routes. International schools (English, German, French, Japanese) are concentrated in São Paulo, Rio, and Brasília.
Risks	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 the UK: Tax residency triggers (Statutory Residence Test) Sole-rep / Innovator endorsement standards have tightened Brexit-era operational variation between UK and EU services Sponsorship Compliance for licensed sponsors	Risks Bordercase watches for in Brazil: Tax residency rules and worldwide-income reporting Real-estate restrictions in certain border regions Document apostille + Portuguese translation
Documents	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 UK documents: Passport Certificate of Sponsorship (for sponsored routes) TB test (for certain nationalities) Maintenance funds evidence Apostilled / certified documents for family routes	Typical Brazilian documents: Passport Apostilled foreign documents Proof of income or investment Photographs to specification Brazilian consular application abroad for most routes

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