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	Montenegro Europe	Bulgaria Europe	Grenada Central America & Caribbean	Switzerland 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.	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.	Grenada is a Caribbean jurisdiction with a Citizenship by Investment programme that uniquely supports US E-2 treaty access. Bordercase coordinates with authorised local agents.	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.
Best for	Cost of living Coastal living Regional residency	Founders EU access Cost of living	Second passport US E-2 access English admin	HNW Founders Forfait fiscal Stability
Currency	EUR	BGN / EUR transition	XCD	CHF
Language	Montenegrin / Serbian	Bulgarian	English	German / French / Italian
Time zone	UTC+1	UTC+2	UTC-4	UTC+1
EU member	No	Yes	No	No
Schengen	No	Yes	No	Yes
Residency	Montenegrin residency routes: Temporary residence via employment Business / self-employment Real-estate ownership Family reunification Permanent residence typically after 5 years.	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.	Grenada routes: Citizenship by Investment (CBI) via fund contribution or qualifying real-estate investment Standard work permits Family routes	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
Company setup	DOO (limited liability) is the standard structure. Formation is well-documented and reasonably fast. Tax and VAT registration follow.	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.	Domestic companies and IBCs are common in international structures.	GmbH and AG are the standard structures. Cantonal variation in tax, registration, and substance treatment is real. Federal and cantonal compliance is precise.
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. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.	Banking is selective. Bordercase coordinates banking introductions through current partners.	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.
Family	Family inclusion on residency applications is supported. International schools are available in Podgorica and on the coast.	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	CBI can include qualifying dependents.	Family reunification is supported on most permits. Schools (public, private, and international) are widely available; international schools are well-established but selective.
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 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 Grenada: Programme parameters change Due diligence has tightened Reputational and revocation risks if information is misrepresented	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
Documents	Typical Montenegrin residency documents: Passport Criminal record certificate Proof of accommodation Basis for residence Health insurance Family certificates Apostilled and translated.	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 CBI documents: Passport Due diligence questionnaires Source-of-funds evidence (extensive) Family certificates with apostille and translation	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.

Montenegro

Europe

Bulgaria

Europe

Grenada

Central America & Caribbean

Switzerland

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.

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.

Grenada is a Caribbean jurisdiction with a Citizenship by Investment programme that uniquely supports US E-2 treaty access. Bordercase coordinates with authorised local agents.

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.

Best for

Cost of living
Coastal living
Regional residency

Founders
EU access
Cost of living

Second passport
US E-2 access
English admin

HNW
Founders
Forfait fiscal
Stability

Currency

EUR

BGN / EUR transition

XCD

CHF

Language

Montenegrin / Serbian

Bulgarian

English

German / French / Italian

Time zone

UTC+1

UTC+2

UTC-4

UTC+1

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.

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.

Grenada routes:

Citizenship by Investment (CBI) via fund contribution or qualifying real-estate investment
Standard work permits
Family routes

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

Company setup

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

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.

Domestic companies and IBCs are common in international structures.

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

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. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.

Banking is selective. Bordercase coordinates banking introductions through current partners.

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.

Family

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

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

CBI can include qualifying dependents.

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

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 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 Grenada:

Programme parameters change
Due diligence has tightened
Reputational and revocation risks if information is misrepresented

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

Documents

Typical Montenegrin residency documents:

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

Apostilled and translated.

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 CBI documents:

Passport
Due diligence questionnaires
Source-of-funds evidence (extensive)
Family certificates with apostille and translation

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.