Conference Invitation Letter for USA Visa
GCA provides verifiable conference invitation letters for registered participants traveling to the United States. The letter confirms your registration, conference dates, and US venue for use as supporting documentation. Visa decisions are made solely by US consular officers.
Supporting documentation for USA visitor and business visa applications when attending a GCA conference in the United States.
Conference travel to the USA
When applying for a B-1 business visitor visa or similar category to attend a conference in the USA, consular officers may review supporting documents showing the purpose of your trip.
Your GCA invitation letter confirms your registration, the conference schedule, and the organizing body — helping demonstrate legitimate conference attendance.
Letter contents
- Registered participant identification
- Conference name, dates, and US venue
- Organizer contact and verification details
- Verifiable through our online verification portal
- Official invitation letter copy sent to the respective embassy
Important note
The invitation letter is supporting documentation only. An official invitation letter copy is sent to the respective embassy; visa decisions remain with US consular officers. GCA does not influence visa outcomes.