Compare jurisdictions, side by side.

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

Türkiye residency routes:

• Short-term residence permit (1-2 years, renewable)
• Family permit
• Work permit - employer-sponsored
• Student permit
• Citizenship-by-investment via real estate or qualifying deposits / investments

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.

Montenegrin residency routes:

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

Permanent residence typically after 5 years.

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

Limited Şirket (LLC) and AŞ (Joint Stock) are common structures. Notary registration, tax registration, and a tax representative are typically required.

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.

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

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 banking for residents is broadly accessible; non-resident corporate banking has tightened. Source-of-funds and ownership clarity are central.

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

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

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 on most routes. International schools (English, German, French, Italian) are available in Istanbul and Ankara.

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

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

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 Türkiye:

• Restricted residency zones (some districts no longer issue short-term residency to foreigners)
• Currency volatility on investment routes
• Shifting policy on the citizenship-by-investment programme
• Banking documentation requirements tighten regularly

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 Montenegro:

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

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 Türkiye documents:

• Passport
• Biometric photos
• Proof of address
• Proof of income or savings
• Health insurance
• Criminal record certificate
• Marriage / birth certificates for family

Documents apostilled and translated to Turkish.

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 Montenegrin residency documents:

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

Apostilled and translated.