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Countries

	Slovakia Europe	Serbia Europe	Switzerland Europe	Bulgaria 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.	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.	Switzerland is a stable, high-quality jurisdiction with structured residency routes - most of them merit-based, contribution-based, or employer-sponsored. Bordercase coordinates with licensed Swiss 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.
Best for	Founders EU access Cost of living	Founders IT professionals Cost of living Regional hub	HNW Founders Forfait fiscal Stability	Founders EU access Cost of living
Currency	EUR	RSD	CHF	BGN / EUR transition
Language	Slovak	Serbian	German / French / Italian	Bulgarian
Time zone	UTC+1	UTC+1	UTC+1	UTC+2
EU member	Yes	No	No	Yes
Schengen	Yes	No	Yes	Yes
Residency	Slovak residency routes: Employment-based residence Start-up visa - innovative businesses Business / self-employment Family reunification EU citizen-derivative routes	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.	Swiss residency routes: Work permit - employer-sponsored, quota-controlled for non-EU Lump-sum taxation (forfait fiscal) - HNW individuals in eligible cantons Business / investor routes EU / EFTA routes - under FMP Family reunification	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	S.R.O. (private limited) is the standard entity, with relatively low minimum capital and well-established formation processes. VAT registration depends on activity.	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.	GmbH and AG are the standard structures. Cantonal variation in tax, registration, and substance treatment is real. Federal and cantonal compliance is precise.	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	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.	Swiss banking has tightened materially since the 2010s. Personal accounts require residency or strong nexus; corporate banking requires substance and clear source of funds. Bordercase coordinates 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 reunification is supported. International schools are available in Bratislava.	Family reunification is supported. International schools (English, French, Russian) are available in Belgrade.	Family reunification is supported on most permits. Schools (public, private, and international) are widely available; international schools are well-established but selective.	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.
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 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 Switzerland: Quotas for non-EU work permits Lump-sum taxation eligibility and cantonal variation Banking gatekeeping for non-residents Substance and arm's-length pricing audits	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	Typical Slovak residency documents: Passport Criminal record certificate Proof of address Health insurance Employment or business documentation Family certificates with apostille and translation	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 Swiss residency documents: Passport Employment contract or business plan Criminal record certificate Proof of accommodation Health insurance valid in Switzerland Financial evidence Apostilled and translated where required.	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.

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.

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.

Switzerland is a stable, high-quality jurisdiction with structured residency routes - most of them merit-based, contribution-based, or employer-sponsored. Bordercase coordinates with licensed Swiss 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.

Best for

Founders
EU access
Cost of living

Founders
IT professionals
Cost of living
Regional hub

HNW
Founders
Forfait fiscal
Stability

Founders
EU access
Cost of living

Currency

EUR

RSD

CHF

BGN / EUR transition

Language

Slovak

Serbian

German / French / Italian

Bulgarian

Time zone

UTC+1

UTC+2

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

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.

Swiss residency routes:

Work permit - employer-sponsored, quota-controlled for non-EU
Lump-sum taxation (forfait fiscal) - HNW individuals in eligible cantons
Business / investor routes
EU / EFTA routes - under FMP
Family reunification

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

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

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.

GmbH and AG are the standard structures. Cantonal variation in tax, registration, and substance treatment is real. Federal and cantonal compliance is precise.

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

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.

Swiss banking has tightened materially since the 2010s. Personal accounts require residency or strong nexus; corporate banking requires substance and clear source of funds. Bordercase coordinates 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 reunification is supported. International schools are available in Bratislava.

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

Family reunification is supported on most permits. Schools (public, private, and international) are widely available; international schools are well-established but selective.

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

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 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 Switzerland:

Quotas for non-EU work permits
Lump-sum taxation eligibility and cantonal variation
Banking gatekeeping for non-residents
Substance and arm's-length pricing audits

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

Typical Slovak residency documents:

Passport
Criminal record certificate
Proof of address
Health insurance
Employment or business documentation
Family certificates with apostille and translation

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 Swiss residency documents:

Passport
Employment contract or business plan
Criminal record certificate
Proof of accommodation
Health insurance valid in Switzerland
Financial evidence

Apostilled and translated where required.

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.