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	Bulgaria Europe	Argentina Latin America	Chile Latin America	Saint Kitts and Nevis Central America & Caribbean
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.	Argentina is a major South American economy with structured residency routes and a competitive cost of living for international founders and families. Bordercase coordinates with licensed Argentine partners for filings.	Chile is a stable Latin American economy with structured residency routes, strong civil infrastructure, and growing relevance for international founders. Bordercase coordinates with licensed Chilean partners for filings.	Saint Kitts and Nevis is a Caribbean jurisdiction with one of the oldest citizenship-by-investment programmes. Bordercase coordinates with authorised local agents and licensed advisers - citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.
Best for	Founders EU access Cost of living	Latin America hub Cost of living Founders Families	Latin America hub Stable economy Founders Families	Second passport Caribbean residency Asset planning
Currency	BGN / EUR transition	ARS	CLP	XCD / USD
Language	Bulgarian	Spanish	Spanish	English
Time zone	UTC+2	UTC-3	UTC-4	UTC-4
EU member	Yes	No	No	No
Schengen	Yes	No	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.	Argentine residency routes: Rentista visa - passive income / pension Investor visa - qualifying investment in an Argentine business Worker visa - employer-sponsored Family routes - spouse, children, parents MERCOSUR fast-track for nationals of member states	Chilean residency routes: Temporary residence - employment, retirement, or qualifying activity Investor / entrepreneur routes Family reunification Permanent residence typically after a qualifying temporary period	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.
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.	SA (Sociedad Anónima) and SRL (Sociedad de Responsabilidad Limitada) are the standard structures. CUIT, IGJ registration, and AFIP tax registration follow.	SpA (Sociedad por Acciones), Ltda, and SA are standard structures. SII tax registration, RUT, and patent municipal registration follow.	Nevis IBCs and LLCs are commonly used in international structures. Substance, beneficial ownership disclosure, and AML standards have tightened materially.
Banking	Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.	Residency unlocks personal banking. Forex controls and currency volatility are part of the landscape; multi-jurisdiction structuring is common.	Residency unlocks personal banking. Corporate banking depends on activity. 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	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	Family reunification is supported on most routes. Schools (public, private, English, German, French) are widely available in Buenos Aires.	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Santiago.	CBI applications can include qualifying dependants - spouse, children, and in some cases parents - under specific conditions.
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 Argentina: Currency / forex controls Tax residency triggers Document apostille + Spanish translation requirements	Risks Bordercase watches for in Chile: Tax residency triggers and worldwide-income reporting Processing variations between regions RUT timing for non-residents	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
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 Argentine documents: Passport Criminal record certificate (apostilled) Marriage / birth certificates for family Proof of income or investment Health insurance	Typical Chilean documents: Passport Apostilled foreign documents (birth, marriage, criminal record) Proof of income or investment Health insurance Spanish translations where required	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

Bulgaria

Europe

Argentina

Latin America

Chile

Latin America

Saint Kitts and Nevis

Central America & Caribbean

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.

Argentina is a major South American economy with structured residency routes and a competitive cost of living for international founders and families. Bordercase coordinates with licensed Argentine partners for filings.

Chile is a stable Latin American economy with structured residency routes, strong civil infrastructure, and growing relevance for international founders. Bordercase coordinates with licensed Chilean partners for filings.

Saint Kitts and Nevis is a Caribbean jurisdiction with one of the oldest citizenship-by-investment programmes. Bordercase coordinates with authorised local agents and licensed advisers - citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.

Best for

Founders
EU access
Cost of living

Latin America hub
Cost of living
Founders
Families

Latin America hub
Stable economy
Founders
Families

Second passport
Caribbean residency
Asset planning

Currency

BGN / EUR transition

ARS

CLP

XCD / USD

Language

Bulgarian

Spanish

English

Time zone

UTC+2

UTC-3

UTC-4

EU member

Yes

Schengen

Yes

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.

Argentine residency routes:

Rentista visa - passive income / pension
Investor visa - qualifying investment in an Argentine business
Worker visa - employer-sponsored
Family routes - spouse, children, parents
MERCOSUR fast-track for nationals of member states

Chilean residency routes:

Temporary residence - employment, retirement, or qualifying activity
Investor / entrepreneur routes
Family reunification
Permanent residence typically after a qualifying temporary period

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.

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.

SA (Sociedad Anónima) and SRL (Sociedad de Responsabilidad Limitada) are the standard structures. CUIT, IGJ registration, and AFIP tax registration follow.

SpA (Sociedad por Acciones), Ltda, and SA are standard structures. SII tax registration, RUT, and patent municipal registration follow.

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

Banking

Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.

Residency unlocks personal banking. Forex controls and currency volatility are part of the landscape; multi-jurisdiction structuring is common.

Residency unlocks personal banking. Corporate banking depends on activity. 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

Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.

Family reunification is supported on most routes. Schools (public, private, English, German, French) are widely available in Buenos Aires.

Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Santiago.

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

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 Argentina:

Currency / forex controls
Tax residency triggers
Document apostille + Spanish translation requirements

Risks Bordercase watches for in Chile:

Tax residency triggers and worldwide-income reporting
Processing variations between regions
RUT timing for non-residents

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

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 Argentine documents:

Passport
Criminal record certificate (apostilled)
Marriage / birth certificates for family
Proof of income or investment
Health insurance

Typical Chilean documents:

Passport
Apostilled foreign documents (birth, marriage, criminal record)
Proof of income or investment
Health insurance
Spanish translations where required

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