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	Bulgaria Europe	Saint Kitts and Nevis Central America & Caribbean	Saint Lucia Central America & Caribbean	Poland Europe
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.	Saint Kitts and Nevis is a Caribbean jurisdiction with one of the oldest citizenship-by-investment programmes. Bordercase coordinates with authorised local agents and licensed advisers - citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.	Saint Lucia is a Caribbean jurisdiction with a Citizenship by Investment programme launched in 2016. Bordercase coordinates with authorised local agents.	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.
Best for	Founders EU access Cost of living	Second passport Caribbean residency Asset planning	Second passport English admin Caribbean residency	Founders Skilled workers EU access Cost-effective hub
Currency	BGN / EUR transition	XCD / USD	XCD	PLN
Language	Bulgarian	English	English	Polish
Time zone	UTC+2	UTC-4	UTC-4	UTC+1
EU member	Yes	No	No	Yes
Schengen	Yes	No	No	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.	Saint Kitts and Nevis routes: Citizenship by Investment (CBI) via the Sustainable Growth Fund CBI via approved real-estate investment Standard work / family routes Citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.	Saint Lucia routes: Citizenship by Investment (CBI) via fund contribution or approved real-estate investment Standard work permits Family routes	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.
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.	Nevis IBCs and LLCs are commonly used in international structures. Substance, beneficial ownership disclosure, and AML standards have tightened materially.	Domestic companies and IBCs are common in international structures.	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.
Banking	Personal and corporate banking for residents is broadly accessible. Source-of-funds documentation matters for non-standard cases. Bordercase coordinates banking introductions.	Domestic and offshore banking options exist but have become more selective on KYC and source of funds. Bordercase coordinates banking pack preparation and partner introductions.	Banking is selective. Bordercase coordinates banking introductions through current partners.	Personal and corporate banking for residents is widely accessible. Non-resident structures take longer; documentation must be tight. Bordercase coordinates introductions where useful.
Family	Family reunification is supported. Schools (public, private, English, German, French) are concentrated in Sofia, Plovdiv, and Varna.	CBI applications can include qualifying dependants - spouse, children, and in some cases parents - under specific conditions.	CBI can include qualifying dependents.	Family reunification is supported on most residency routes. International schools (English, German, French) are concentrated in Warsaw, Kraków, and Wrocław.
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 Saint Kitts: Programme parameters change Due diligence has tightened materially Rejection rates have risen for incomplete or unclear source-of-funds presentations Visa-revocation and reputational risks if information is misrepresented	Risks Bordercase watches for in Saint Lucia: Programme parameters change Due diligence has tightened Reputational and revocation risks if information is misrepresented	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
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 CBI documents: Passport Due diligence questionnaires Source-of-funds evidence (extensive) Employment / business documentation Family certificates with apostille and certified translation Police clearance certificates for all countries of residence in the prior 10 years	Typical CBI documents: Passport Due diligence questionnaires Source-of-funds evidence (extensive) Family certificates with apostille and translation	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.

Bulgaria

Europe

Saint Kitts and Nevis

Central America & Caribbean

Saint Lucia

Central America & Caribbean

Poland

Europe

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.

Saint Kitts and Nevis is a Caribbean jurisdiction with one of the oldest citizenship-by-investment programmes. Bordercase coordinates with authorised local agents and licensed advisers - citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.

Saint Lucia is a Caribbean jurisdiction with a Citizenship by Investment programme launched in 2016. Bordercase coordinates with authorised local agents.

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.

Best for

Founders
EU access
Cost of living

Second passport
Caribbean residency
Asset planning

Second passport
English admin
Caribbean residency

Founders
Skilled workers
EU access
Cost-effective hub

Currency

BGN / EUR transition

XCD / USD

XCD

PLN

Language

Bulgarian

English

Polish

Time zone

UTC+2

UTC-4

UTC+1

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.

Saint Kitts and Nevis routes:

Citizenship by Investment (CBI) via the Sustainable Growth Fund
CBI via approved real-estate investment
Standard work / family routes

Citizenship outcomes remain at the discretion of the Citizenship by Investment Unit.

Saint Lucia routes:

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

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.

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.

Nevis IBCs and LLCs are commonly used in international structures. Substance, beneficial ownership disclosure, and AML standards have tightened materially.

Domestic companies and IBCs are common in international structures.

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.

Banking

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

Domestic and offshore banking options exist but have become more selective on KYC and source of funds. Bordercase coordinates banking pack preparation and partner introductions.

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

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

Family

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

CBI applications can include qualifying dependants - spouse, children, and in some cases parents - under specific conditions.

CBI can include qualifying dependents.

Family reunification is supported on most residency routes. International schools (English, German, French) are concentrated in Warsaw, Kraków, and Wrocław.

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 Saint Kitts:

Programme parameters change
Due diligence has tightened materially
Rejection rates have risen for incomplete or unclear source-of-funds presentations
Visa-revocation and reputational risks if information is misrepresented

Risks Bordercase watches for in Saint Lucia:

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

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

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 CBI documents:

Passport
Due diligence questionnaires
Source-of-funds evidence (extensive)
Employment / business documentation
Family certificates with apostille and certified translation
Police clearance certificates for all countries of residence in the prior 10 years

Typical CBI documents:

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

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.