Business Visa Invitation Letters: Which Countries Require Them, What They Must Say, and How to Get One

Most business visa refusals we see have nothing to do with the traveler. They come from the invitation letter: the document from the host company abroad that tells a consulate who you are, why you are coming, who is paying, and who vouches for you. Consulates publish exactly what the letter must contain and reject letters that miss a field, lack a stamp, or come from the wrong entity. This guide covers which major destinations require an invitation, what each expects it to say, and how to avoid the errors that send an application back.

One clarification first: this article is about letters that get you into another country. If you are inviting a foreign colleague or relative to the United States, see our U.S. visa invitation letter resource instead.

Why consulates insist on an invitation

A business visa lets you attend meetings, negotiate, train, or exhibit without being employed locally. The invitation is how the consulate confirms that a real local entity is responsible for your visit, that the activity fits the visa category, and which dates and cities the visa should cover. For some countries the "letter" is actually an approval the host must obtain from its own government before you can apply.

China (M visa)

China's business visa is the M visa, and the Chinese consulates list an "invitation letter issued by a trade partner in China" as the core document (San Francisco consulate requirements). The consulate template requires three blocks of information:

• The applicant: full name as in the passport, gender, date of birth, passport number.
• The visit: purpose, arrival and departure dates, places to be visited, relationship between the applicant and the inviter, and who bears the costs.
• The inviter: company name, contact number, address, official seal (company chop), and the signature of the legal representative or the person issuing the letter.

Letters without the seal, or issued by an individual rather than a registered company, are the most frequent M-visa rejections. Because U.S. citizens pay the same $140 fee for any validity, ask the inviter to state that multiple visits are expected over several years to support a 10-year multiple-entry visa. Our China visa guide for U.S. citizens covers the rest of the application, and our China visa page starts the process.

India (business visa)

India issues U.S. nationals a business visa valid for up to ten years at a fee of $160 (Embassy of India fee schedule). Two letters are normally required:

• An invitation from the Indian company on letterhead, stating the purpose of the visit, the expected duration and frequency of trips, and the company's registration details.
• A letter from your U.S. employer confirming your position, the business purpose, that you remain employed in the U.S., and who is financially responsible for the trip.

The e-Business visa accepts uploaded copies of the same two letters. See our comparison of the India e-Visa and regular visa to decide which route fits, and the India visa page for current options.

Saudi Arabia (business visit visa)

Saudi Arabia's invitation is a government-approved record, not a company letter. Your Saudi host applies through the Ministry of Foreign Affairs visa platform (visa.mofa.gov.sa) for an invitation that is typically attested by the Saudi Chamber of Commerce and carries a reference number. You then submit the visa application quoting that number, together with a U.S. employer letter, through the embassy's authorized visa service center. Host-side approval usually takes one to two weeks before you can even file, so start early. Our Saudi Arabia visa options guide explains why the tourist eVisa is not a substitute.

Vietnam (DN business visa)

Vietnam's business visa (category DN) requires a Vietnamese sponsor company to obtain pre-approval from the Immigration Department on your behalf; the Embassy of Vietnam then issues the visa against that approval (embassy visa process). Short business trips of under 90 days can often use the standard eVisa with the purpose stated as business, which removes the sponsor step entirely; longer or recurring assignments need the DN route.

Other destinations to plan for

Russia issues business invitations through government systems on the host's application, and processing takes weeks. Egypt, Nigeria, Pakistan, and several Gulf states want host letters addressed to the specific consulate, usually with the host's commercial registration attached. Schengen countries do not require a formal invitation for short U.S. business visits, but a host letter is useful evidence at the border.

What every invitation letter should contain

1. Traveler's full name exactly as in the passport, date of birth, nationality, and passport number.
2. Purpose of the visit in concrete terms ("attend quarterly supplier review at our Suzhou plant").
3. Dates, cities, and, for multiple-entry requests, the expected frequency of travel.
4. Who pays for travel, accommodation, and medical costs.
5. Host company legal name, registration number, address, phone, and email.
6. Signature of an authorized officer with printed name and title, on letterhead, with a company seal where the country uses one.
7. Date of issue — most consulates want a letter under 30 to 90 days old.

How the timeline really works

Add the host's time to the consulate's time. A Chinese consulate may need only four business days, but the trade partner may take a week to route a chop through its legal department; a Saudi visa center may issue in days, but MOFA approval takes one to two weeks. For recurring corporate travel we keep pre-approved letter templates on file per destination so the host only fills in dates and names — see our overview of streamlining corporate travel visa programs, or ask the Peninsula Visa business travel desk to set it up for your team.

Frequently asked questions

Which countries require an invitation letter for a business visa?

For U.S. business travelers, most commonly China, India, Saudi Arabia, Vietnam (DN visa), Russia, Egypt, Nigeria, and Pakistan. Check the consulate's current document list before your host drafts anything.

Who writes the invitation letter?

The host organization in the destination country. For China and India it is a company letter on letterhead; for Saudi Arabia and Vietnam it is a government-approved invitation the host must obtain before you apply.

Can I attend business meetings on a tourist visa or eVisa?

Sometimes for short, unpaid meetings — India's e-Business visa and Vietnam's eVisa allow it — but China and Saudi Arabia require the business category. Misusing a tourist visa risks refusal of entry and future bans.

How recent must the invitation letter be?

Most consulates expect a letter issued within the last 30 to 90 days and covering the actual travel dates. A letter for a previous trip is not reusable.

Sources and last reviewed

Last reviewed: September 4, 2026. Fees, validity periods, and processing times in this guide come from the official sources below and were current on that date. Always confirm against the issuing authority before you pay a government fee.

• Consulate General of China in San Francisco — Requirements and procedures for Chinese visa application (M visa documents)
• Embassy of India, Washington, D.C. — Revised visa fees for U.S. nationals (business visa)
• Ministry of Foreign Affairs of Saudi Arabia — Visa services
• Embassy of Vietnam in the United States — Visa application process

About Peninsula Visa

Peninsula Visa is a San Francisco-based immigration and travel documentation services company founded in 1975. With over five decades of experience, Peninsula Visa provides comprehensive visa processing, passport services, OCI applications, Global Entry assistance, apostille authentication, and more to individuals, families, and businesses across the United States. Peninsula Visa is known for its high approval rates, expert guidance, and end-to-end client support.

Government fees, validity periods, and processing times are set by the issuing authorities and change without notice. This guide is general information, not legal advice; confirm current requirements with the official source before you travel.