Compare jurisdictions, side by side.

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.

Paraguay residency routes:

• Permanent residency via proof of solvency / qualifying income - the standard route
• Family inclusion on the main application

Physical-presence requirements are relatively low compared to other jurisdictions.

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

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.

SRL (Limited Liability) and SA (Joint Stock) structures are available; entity setup is well-supported by local partners. Substance and reporting requirements should be confirmed at setup.

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 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. Bordercase coordinates introductions and documentation prep.

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

Family inclusion on residency applications is supported. Schools (Spanish-language and limited international) are concentrated in Asunción.

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

Risks Bordercase watches for in Paraguay:

• Residency vs tax residency confusion
• Document apostille and translation requirements must be tracked carefully
• Some originating countries are subject to additional scrutiny
• Real-world banking outside Paraguay may not change because of Paraguayan residency

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 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 Paraguay documents:

• Passport
• Criminal record certificate (origin country + any country of residence in last 5 years)
• Marriage / birth certificates for family
• Proof of income or solvency (savings / pension / business)

All documents apostilled and translated to Spanish.

Typical UK documents:

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