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American Embassy

American immigration is the responsibility of the Department of Homeland Security (DHS), and more specifically, a branch of the DHS called United States Citizenship and Immigration Services (USCIS).

Each year the USCIS monitors the number of temporary and permanent visas issued to migrants, classed as Non-immigrant or Immigrant Visas respectively.

If you are a tourist travelling to America for a period no longer than 3 months and you are from a country that participates in the Visa Waiver Program with America, you must apply online for an ESTA visa.

Temporary Work Visas

• Facilitates the entry of overseas workers wishing to live and work in America.
  Free Online Temporary Work Visa Assessment

Permanent Work Visas

• This category is for those wishing to live and work permanently in America. Migration under this category is based on the preference system of visa allocation.
  More Information on Permanent Work Visas

Business Visas

• This category allows for the entry of professionals wishing to establish a business presence or invest in America.
  Free Online Business Visa Assessment

Family Visas

• This category allows the entry of family members of American citizens and residents.
  Family Visa Free Online Assessment

Diversity Lottery

• Also called Green Card Lottery, this is a permanent visa category allowing direct migration to America if candidates meet strict American visa requirements.
  Free Diversity Lottery Immigration Assessment

Student Visas

• This category if for students wishing to undertake a course of study in America.
  More About Student Visas

Exchange Visitor Visas

• This category is for people who wish to travel to America for the purpose of participating in an exchange program.
  Read More About Exchange Visitor Visas

Tourist Visas

• Facilitates the entry of temporary visitors, travelling to America for business or pleasure.
  More On Tourist Visas

The American Embassy in London is the chief representative of the American Government in the United Kingdom. The Immigrant Visa Unit at the Embassy is responsible for the final processing of Immigrant Visa applications for residents of Great Britain and Northern Ireland.

The American Embassy in London is located:

• 24 Grosvenor Square
  London, W1A 1AE
  United Kingdom
  Tel: +44 (0)20 7499 9000

Embassy operating hours are Monday-Friday 8:30 am to 5:30 pm, but some Sections and Agencies within the Embassy may differ. All Embassy offices are closed on weekends and American and British Holidays.