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Countries

	Montenegro Europe	Romania Europe	Slovakia Europe	Bulgaria Europe
Overview	Montenegro is a non-EU European country with structured residency routes, EU candidate status, and a growing role as a base for founders and remote workers in the region. Bordercase coordinates with licensed Montenegrin partners.	Romania is an EU member state with structured residency routes, accessible company formation, and competitive costs for founders and remote professionals. Bordercase coordinates with licensed Romanian partners.	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.
Best for	Cost of living Coastal living Regional residency	Founders Digital nomads EU access Cost of living	Founders EU access Cost of living	Founders EU access Cost of living
Currency	EUR	RON	EUR	BGN / EUR transition
Language	Montenegrin / Serbian	Romanian	Slovak	Bulgarian
Time zone	UTC+1	UTC+2	UTC+1	UTC+2
EU member	No	Yes	Yes	Yes
Schengen	No	Yes	Yes	Yes
Residency	Montenegrin residency routes: Temporary residence via employment Business / self-employment Real-estate ownership Family reunification Permanent residence typically after 5 years.	Romanian residency routes: Employment-based residence (including the Blue Card) Digital Nomad Visa - remote workers Business / investor routes Family reunification EU citizen-derivative routes	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.
Company setup	DOO (limited liability) is the standard structure. Formation is well-documented and reasonably fast. Tax and VAT registration follow.	SRL (limited liability) is the standard structure. Formation involves notary and trade registry. Microcompany tax regime may apply for small businesses with eligible activities.	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.
Banking	Personal banking for residents is accessible. Corporate banking depends on activity. Bordercase coordinates introductions where useful.	Personal and corporate banking for residents is broadly accessible. Bordercase coordinates introductions for non-standard cross-border structures.	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.
Family	Family inclusion on residency applications is supported. International schools are available in Podgorica and on the coast.	Family reunification is supported. International schools (English, French, German) are concentrated in Bucharest, Cluj, and Timișoara.	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.
Risks	Risks Bordercase watches for in Montenegro: Tax residency triggers EU accession dynamics may change rules over time Processing variations between municipalities Schengen entry / exit considerations for travel planning	Risks Bordercase watches for in Romania: Tax residency triggers Microcompany regime eligibility Processing variations between counties Schengen entry / exit rules now apply	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
Documents	Typical Montenegrin residency documents: Passport Criminal record certificate Proof of accommodation Basis for residence Health insurance Family certificates Apostilled and translated.	Typical Romanian residency documents: Passport Criminal record certificate Proof of address Basis for residence Health insurance Family certificates Apostilled and translated to Romanian.	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.

Europe

Europe

Europe

Europe

Overview

Montenegro is a non-EU European country with structured residency routes, EU candidate status, and a growing role as a base for founders and remote workers in the region. Bordercase coordinates with licensed Montenegrin partners.

Romania is an EU member state with structured residency routes, accessible company formation, and competitive costs for founders and remote professionals. Bordercase coordinates with licensed Romanian partners.

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.

Best for

Cost of living
Coastal living
Regional residency

Founders
Digital nomads
EU access
Cost of living

Founders
EU access
Cost of living

Founders
EU access
Cost of living

Currency

EUR

RON

EUR

BGN / EUR transition

Language

Montenegrin / Serbian

Romanian

Slovak

Bulgarian

Time zone

UTC+1

UTC+2

UTC+1

UTC+2

EU member

Yes

Schengen

Yes

Residency

Montenegrin residency routes:

Temporary residence via employment
Business / self-employment
Real-estate ownership
Family reunification

Permanent residence typically after 5 years.

Romanian residency routes:

Employment-based residence (including the Blue Card)
Digital Nomad Visa - remote workers
Business / investor routes
Family reunification
EU citizen-derivative routes

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.

Company setup

DOO (limited liability) is the standard structure. Formation is well-documented and reasonably fast. Tax and VAT registration follow.

SRL (limited liability) is the standard structure. Formation involves notary and trade registry. Microcompany tax regime may apply for small businesses with eligible activities.

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.

Banking

Personal banking for residents is accessible. Corporate banking depends on activity. Bordercase coordinates introductions where useful.

Personal and corporate banking for residents is broadly accessible. Bordercase coordinates introductions for non-standard cross-border structures.

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.

Family

Family inclusion on residency applications is supported. International schools are available in Podgorica and on the coast.

Family reunification is supported. International schools (English, French, German) are concentrated in Bucharest, Cluj, and Timișoara.

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.

Risks

Risks Bordercase watches for in Montenegro:

Tax residency triggers
EU accession dynamics may change rules over time
Processing variations between municipalities
Schengen entry / exit considerations for travel planning

Risks Bordercase watches for in Romania:

Tax residency triggers
Microcompany regime eligibility
Processing variations between counties
Schengen entry / exit rules now apply

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

Documents

Typical Montenegrin residency documents:

Passport
Criminal record certificate
Proof of accommodation
Basis for residence
Health insurance
Family certificates

Apostilled and translated.

Typical Romanian residency documents:

Passport
Criminal record certificate
Proof of address
Basis for residence
Health insurance
Family certificates

Apostilled and translated to Romanian.

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.