Compare jurisdictions, side by side.

Spanish residency routes:

• Non-Lucrative Visa - passive income, no employment in Spain
• Digital Nomad Visa - remote workers and self-employed (Startups Law)
• Self-Employed Visa
• Entrepreneur Visa
• EU citizen-derivative routes

The Golden Visa has been phased out for real estate purchases.

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.

Singapore residency routes:

• Employment Pass (EP) - professionals; merit-based
• EntrePass - entrepreneurs in specific sectors
• Global Investor Programme (GIP) - high-investment
• Dependant's Pass / LTVP - family routes

Routes are competitive and quota-controlled.

SL (Sociedad Limitada) is the standard private company. Registration involves NIE / NIF, notary, mercantile registry, and tax registration. Spanish tax residency triggers worldwide income reporting; the Beckham Law (special tax regime) may apply to eligible relocated workers.

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.

Private Limited (Pte Ltd) is the standard structure. ACRA registration, a local resident director, and a registered office are required. Substance, accounting, and corporate governance standards are real.

Personal banking for residents is straightforward; corporate banking depends on activity and structure. Bordercase coordinates introductions for non-standard cases.

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.

Corporate banking has strong KYC and source-of-funds processes; relationship banking is common. Personal banking depends on residency status. Bordercase coordinates introductions through partners.

Family reunification is supported on most residency routes after a qualifying period. Schools (public, private, international) are widely available; the public system is generally accessible to legal residents.

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.

Family relocation is well-supported via Dependant's Pass and LTVP routes. Schools (local, private, and international) are widely available; international schools are competitive.

Risks Bordercase watches for in Spain:

• Tax residency triggers - 183 days + centre of interests
• Beckham Law (special regime) eligibility
• Autonomous-community tax variation
• Hacienda audits when planning is unclear
• Past Schengen overstays must be disclosed

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 Singapore:

• EP / EntrePass approvals are competitive and may be rejected
• Salary, qualifications, and company substance are scrutinised
• Tax residency rules - physical presence + centre of interests
• Equity stakes can trigger structuring needs

Typical Spanish residency documents:

• Passport
• NIE (foreigner identification number)
• Criminal record certificate with apostille
• Proof of income / assets
• Health insurance with full cover in Spain
• Accommodation evidence
• Marriage / birth certificates for family routes

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 Singapore documents:

• Passport
• CV
• Education certificates
• Employment history
• Company documents (for EntrePass / GIP)
• Family certificates with notarisation

Apostille where required.