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Countries

	Bulgaria Europe	Italy Europe	Serbia Europe	Argentina 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.	Italy offers EU residency routes for self-employed, entrepreneurs, retirees, and recently a digital nomad / remote worker route. Bordercase coordinates with licensed Italian partners for filings and tax planning.	Serbia is an attractive non-EU European jurisdiction for founders, IT professionals, and remote workers - with accessible residency and competitive costs. Bordercase coordinates with licensed Serbian 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.
Best for	Founders EU access Cost of living	Families Remote workers EU access Long-term residency	Founders IT professionals Cost of living Regional hub	Latin America hub Cost of living Founders Families
Currency	BGN / EUR transition	EUR	RSD	ARS
Language	Bulgarian	Italian	Serbian	Spanish
Time zone	UTC+2	UTC+1	UTC+1	UTC-3
EU member	Yes	Yes	No	No
Schengen	Yes	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.	Italian residency routes: Elective Residency Visa - passive income, no employment in Italy Self-employment visa (within quota) Entrepreneur visa Investor visa Digital nomad / remote worker - for qualified professionals Flat-tax regime (Article 24-bis) and impatriate regime may apply.	Serbian residency routes: Temporary residence via employment Self-employment / business Real-estate ownership Family reunification IT-focused residency framework Permanent residence typically after 3 years of continuous temporary residence.	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
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.	SRL (Limited Liability Company) and SRL Semplificata are the standard structures. Italian tax residency triggers worldwide reporting; the flat-tax regime for new residents (article 24-bis) and the impatriate regime may apply to eligible individuals.	DOO (limited liability) is the standard structure. Formation is well-documented, with online steps available. Tax registration (PIB) and APR (Business Registers Agency) registration follow.	SA (Sociedad Anónima) and SRL (Sociedad de Responsabilidad Limitada) are the standard structures. CUIT, IGJ registration, and AFIP tax registration follow.
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 straightforward; corporate banking and certain non-standard structures require coordination. Bordercase introduces banking partners where useful.	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.
Family	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	Family reunification is supported. Public and private schools are widely available; international schools are concentrated in major cities.	Family reunification is supported. International schools (English, French, Russian) are available in Belgrade.	Family reunification is supported on most routes. Schools (public, private, English, German, French) are widely available in Buenos Aires.
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 Italy: Tax residency triggers Flat-tax regime eligibility and possible revocation Regional administrative variation Language and bureaucratic friction Impatriate regime conditions vary	Risks Bordercase watches for in Serbia: Tax residency triggers VAT registration timing Processing variations between MUP offices EU Schengen access requires planning for cross-border travel	Risks Bordercase watches for in Argentina: Currency / forex controls Tax residency triggers Document apostille + Spanish translation requirements
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 Italian residency documents: Passport Criminal record certificate Proof of income (significant for elective residency) Health insurance valid in Italy Accommodation evidence Codice fiscale (tax number) Apostille and certified Italian translation where required.	Typical Serbian residency documents: Passport Criminal record certificate Proof of address Basis for residence (employment, business, etc.) Health insurance Family certificates Apostilled and translated to Serbian.	Typical Argentine documents: Passport Criminal record certificate (apostilled) Marriage / birth certificates for family Proof of income or investment Health insurance

Europe

Europe

Europe

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.

Italy offers EU residency routes for self-employed, entrepreneurs, retirees, and recently a digital nomad / remote worker route. Bordercase coordinates with licensed Italian partners for filings and tax planning.

Serbia is an attractive non-EU European jurisdiction for founders, IT professionals, and remote workers - with accessible residency and competitive costs. Bordercase coordinates with licensed Serbian 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.

Best for

Founders
EU access
Cost of living

Families
Remote workers
EU access
Long-term residency

Founders
IT professionals
Cost of living
Regional hub

Latin America hub
Cost of living
Founders
Families

Currency

BGN / EUR transition

EUR

RSD

ARS

Language

Bulgarian

Italian

Serbian

Spanish

Time zone

UTC+2

UTC+1

UTC-3

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.

Italian residency routes:

Elective Residency Visa - passive income, no employment in Italy
Self-employment visa (within quota)
Entrepreneur visa
Investor visa
Digital nomad / remote worker - for qualified professionals

Flat-tax regime (Article 24-bis) and impatriate regime may apply.

Serbian residency routes:

Temporary residence via employment
Self-employment / business
Real-estate ownership
Family reunification
IT-focused residency framework

Permanent residence typically after 3 years of continuous temporary residence.

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

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.

SRL (Limited Liability Company) and SRL Semplificata are the standard structures. Italian tax residency triggers worldwide reporting; the flat-tax regime for new residents (article 24-bis) and the impatriate regime may apply to eligible individuals.

DOO (limited liability) is the standard structure. Formation is well-documented, with online steps available. Tax registration (PIB) and APR (Business Registers Agency) registration follow.

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

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 straightforward; corporate banking and certain non-standard structures require coordination. Bordercase introduces banking partners where useful.

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.

Family

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

Family reunification is supported. Public and private schools are widely available; international schools are concentrated in major cities.

Family reunification is supported. International schools (English, French, Russian) are available in Belgrade.

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

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 Italy:

Tax residency triggers
Flat-tax regime eligibility and possible revocation
Regional administrative variation
Language and bureaucratic friction
Impatriate regime conditions vary

Risks Bordercase watches for in Serbia:

Tax residency triggers
VAT registration timing
Processing variations between MUP offices
EU Schengen access requires planning for cross-border travel

Risks Bordercase watches for in Argentina:

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

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 Italian residency documents:

Passport
Criminal record certificate
Proof of income (significant for elective residency)
Health insurance valid in Italy
Accommodation evidence
Codice fiscale (tax number)

Apostille and certified Italian translation where required.

Typical Serbian residency documents:

Passport
Criminal record certificate
Proof of address
Basis for residence (employment, business, etc.)
Health insurance
Family certificates

Apostilled and translated to Serbian.

Typical Argentine documents:

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