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.

Grenada routes:

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

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

UK residency routes:

• Skilled Worker visa - employer-sponsored
• Innovator Founder visa - for endorsed founders
• Global Talent visa - for endorsed experts
• Self-Sponsorship via own company (with substance)
• Family routes - spouse / partner / dependents
• Ancestry visa for eligible Commonwealth nationals

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.

Domestic companies and IBCs are common in international structures.

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

UK Limited companies are widely used internationally. HMRC corporation tax, VAT thresholds, and PSC (people with significant control) reporting apply. Substance expectations have tightened.

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

Banking is selective. Bordercase coordinates banking 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.

Resident banking is mature but onboarding is slow for non-residents. Many international founders use UK EMIs (Revolut, Monzo Business, etc.) alongside high-street accounts. Bordercase coordinates introductions for cross-border cases.

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.

CBI can include qualifying dependents.

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

Family reunification is supported. Schools (state, private, international) are widely available; competition for top schools is real.

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 Grenada:

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

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 the UK:

• Tax residency triggers (Statutory Residence Test)
• Sole-rep / Innovator endorsement standards have tightened
• Brexit-era operational variation between UK and EU services
• Sponsorship Compliance for licensed sponsors

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 CBI documents:

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

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 UK documents:

• Passport
• Certificate of Sponsorship (for sponsored routes)
• TB test (for certain nationalities)
• Maintenance funds evidence
• Apostilled / certified documents for family routes