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Countries

	Slovakia Europe	Bulgaria Europe	Poland Europe	Serbia Europe
Overview	Slovakia offers EU residency and corporate structures with a stable regulatory environment and competitive costs. Bordercase coordinates with licensed Slovak 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.	Poland is a large EU economy with structured routes for skilled workers, founders, and remote professionals - and a growing role as a regional hub for Eastern European operations. Bordercase coordinates with licensed Polish partners for filings.	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.
Best for	Founders EU access Cost of living	Founders EU access Cost of living	Founders Skilled workers EU access Cost-effective hub	Founders IT professionals Cost of living Regional hub
Currency	EUR	BGN / EUR transition	PLN	RSD
Language	Slovak	Bulgarian	Polish	Serbian
Time zone	UTC+1	UTC+2	UTC+1	UTC+1
EU member	Yes	Yes	Yes	No
Schengen	Yes	Yes	Yes	No
Residency	Slovak residency routes: Employment-based residence Start-up visa - innovative businesses Business / self-employment Family reunification EU citizen-derivative 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.	Polish residency routes: Blue Card - high-skilled employees Temporary residence via employment Self-employment / entrepreneur routes Family reunification EU citizen-derivative routes Permanent residence typically after 5 years.	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.
Company setup	S.R.O. (private limited) is the standard entity, with relatively low minimum capital and well-established formation processes. VAT registration depends on activity.	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.	Sp. z o.o. (limited liability) is the standard private entity. Online formation via S24 is possible; otherwise notary registration. Tax registration, VAT, and ZUS (social contributions) follow. CIT and the new estonian-style lump-sum CIT regime may apply.	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.
Banking	Resident banking is straightforward; corporate banking varies by activity. 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 and corporate banking for residents is widely accessible. Non-resident structures take longer; documentation must be tight. Bordercase coordinates introductions where useful.	Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.
Family	Family reunification is supported. International schools are available in Bratislava.	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. International schools (English, German, French) are concentrated in Warsaw, Kraków, and Wrocław.	Family reunification is supported. International schools (English, French, Russian) are available in Belgrade.
Risks	Risks Bordercase watches for in Slovakia: Tax residency triggers VAT registration timing for cross-border services Processing variations between districts	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 Poland: Long visa processing in some voivodeships CIT and ZUS planning often gets done late Centre-of-interests analysis for tax residency Estonian-style lump-sum CIT regime eligibility	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
Documents	Typical Slovak residency documents: Passport Criminal record certificate Proof of address Health insurance Employment or business documentation 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.	Typical Polish residency documents: Passport Criminal record certificate Proof of address Employment contract or business plan Health insurance Marriage / birth certificates for family Apostilled and translated to Polish.	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.

Europe

Europe

Europe

Europe

Overview

Slovakia offers EU residency and corporate structures with a stable regulatory environment and competitive costs. Bordercase coordinates with licensed Slovak 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.

Poland is a large EU economy with structured routes for skilled workers, founders, and remote professionals - and a growing role as a regional hub for Eastern European operations. Bordercase coordinates with licensed Polish partners for filings.

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.

Best for

Founders
EU access
Cost of living

Founders
EU access
Cost of living

Founders
Skilled workers
EU access
Cost-effective hub

Founders
IT professionals
Cost of living
Regional hub

Currency

EUR

BGN / EUR transition

PLN

RSD

Language

Slovak

Bulgarian

Polish

Serbian

Time zone

UTC+1

UTC+2

UTC+1

EU member

Yes

Schengen

Yes

Residency

Slovak residency routes:

Employment-based residence
Start-up visa - innovative businesses
Business / self-employment
Family reunification
EU citizen-derivative 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.

Polish residency routes:

Blue Card - high-skilled employees
Temporary residence via employment
Self-employment / entrepreneur routes
Family reunification
EU citizen-derivative routes

Permanent residence typically after 5 years.

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.

Company setup

S.R.O. (private limited) is the standard entity, with relatively low minimum capital and well-established formation processes. VAT registration depends on activity.

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.

Sp. z o.o. (limited liability) is the standard private entity. Online formation via S24 is possible; otherwise notary registration. Tax registration, VAT, and ZUS (social contributions) follow. CIT and the new estonian-style lump-sum CIT regime may apply.

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.

Banking

Resident banking is straightforward; corporate banking varies by activity. 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 and corporate banking for residents is widely accessible. Non-resident structures take longer; documentation must be tight. Bordercase coordinates introductions where useful.

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

Family

Family reunification is supported. International schools are available in Bratislava.

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. International schools (English, German, French) are concentrated in Warsaw, Kraków, and Wrocław.

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

Risks

Risks Bordercase watches for in Slovakia:

Tax residency triggers
VAT registration timing for cross-border services
Processing variations between districts

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 Poland:

Long visa processing in some voivodeships
CIT and ZUS planning often gets done late
Centre-of-interests analysis for tax residency
Estonian-style lump-sum CIT regime eligibility

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

Documents

Typical Slovak residency documents:

Passport
Criminal record certificate
Proof of address
Health insurance
Employment or business documentation
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.

Typical Polish residency documents:

Passport
Criminal record certificate
Proof of address
Employment contract or business plan
Health insurance
Marriage / birth certificates for family

Apostilled and translated to Polish.

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.