Compare jurisdictions, side by side.

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.

Estonian residency routes:

• Start-up visa - for founders of qualifying start-ups
• Digital nomad visa - for eligible remote workers
• Work permit - employer-sponsored
• Family routes - spouse / dependants

Note: e-Residency is NOT a residence permit - it is a digital identity for managing an Estonian company remotely.

Hong Kong residency routes:

• General Employment Policy (GEP)
• Quality Migrant Admission Scheme (QMAS)
• Top Talent Pass Scheme (TTPS)
• Capital Investment Entrant Scheme (CIES) - recently revived
• Dependant 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.

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.

OÜ (private limited) is the standard structure, formed online via e-Residency or in person. Reporting obligations are real but proportionate; accounting partners are widely available.

Hong Kong Limited companies are widely used for trading and holding structures. Annual filings, audited accounts, and a company secretary are required. Substance expectations and BEPS-driven changes affect ongoing planning.

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.

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

Estonian banks have tightened KYC for non-resident e-residents; many international founders rely on EMIs (Wise, Revolut Business, Payoneer, etc.) for day-to-day banking. Local bank accounts typically require strong substance evidence.

Local banking has tightened materially; some non-resident structures face long onboarding or rejection. EMIs and Singapore / Dubai banking are common alternatives. 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 reunification is supported. International schools (English, French, Russian) are available in Belgrade.

Family relocation is supported on the work and start-up visa routes; schooling and healthcare access follow the main applicant's residency.

Family relocation is supported on most residency routes. Schools (local, private, ESF, international) are competitive; international school waitlists are real.

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

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

Common pitfalls Bordercase watches for:

• Confusing e-Residency with physical residency
• Banking-only setups without substance - likely flagged
• Crypto, gambling, and other regulated industries face additional friction
• Tax residence triggered by 183 days even without a residence permit

Risks Bordercase watches for in Hong Kong:

• Company-only setups without substance face banking and audit friction
• Banking has tightened materially
• Political / policy shifts must be factored into long-horizon planning
• Annual audit and filing discipline is real

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

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.

For e-Residency:

• Passport
• Application form
• Biometric collection at the chosen Estonian embassy or pickup point

For physical residency:

• Passport
• Criminal record certificate
• Proof of income
• Accommodation evidence
• Health insurance
• Business plan (start-up visa)

Typical Hong Kong documents:

• Passport
• CV
• Education certificates
• Employment history
• Company documents (where applicable)
• Family certificates with notarisation

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.