Immigration, Citizenship & Expat-Tax Directory
A starting point for finding the right official body — or the right kind of professional — for a visa, citizenship, or cross-border-tax question. Government authorities and regulators are listed alongside well-known law and advisory firms so you can tell the two apart.
Government immigration authorities
The official government bodies that administer immigration, visas, and citizenship in each jurisdiction — always the authoritative source.
Agencia para a Integracao, Migracoes e Asilo (AIMA)
Portugal
Immigration
Department of Home Affairs (Australia)
Australia
Immigration
Federal Authority for Identity, Citizenship, Customs & Port Security (ICP)
United Arab Emirates
Immigration
Immigration & Checkpoints Authority (ICA)
Singapore
Immigration
Immigration, Refugees and Citizenship Canada (IRCC)
Canada
Immigration
Residency Malta Agency
Malta
Immigration
St. Kitts and Nevis Citizenship by Investment Unit (CIU)
St Kitts and Nevis
Citizenship by investment
U.S. Citizenship and Immigration Services (USCIS)
United States
Immigration
UK Visas and Immigration (Home Office)
United Kingdom
Immigration
Regulators & professional bodies
Regulators and membership bodies you can use to confirm whether a lawyer or consultant is licensed and in good standing.
Law firms
Law firms known for immigration and global-mobility practice. Listed for reference only — not vetted, ranked, or endorsed.
Advisory firms
Investment-migration and cross-border-tax advisory firms. Listed for reference only — not vetted, ranked, or endorsed.