We must establish legally under the laws of Vietnam & we have to provide a lot of papers and documents to the Vietnam Immigration Department in order to get approval letter for your visa on arrival at Vietnam International Airports. Therefore we have to charge you a fee that we called service fee in order to prepare papers, documents, send courier to submit your visa applications, queuing to get approval letter and scan to send it to your email, making sure your visa run smoothly on arrival at the airport of Vietnam.

Apart from service fee pay for us to get approval letter for picking up your visa on arrival at Vietnam airports, you have to pay for for visa fee that we called stamp fee. It's $25USD/pp for single entry visa 1 month or 3 months; $50USD/pp for 1 month multiple entry visaor 3 months and $135USD/pp for 6 month multiple entry visa. (According to Circular No. 190/2012/TT-BTC on November 09, 2012 approved and signed by Vietnam Finance Ministry)

Legal basis for Vietnam visa on arrival at international airports of Vietnam :

ORDINANCE ON ENTRY, EXIT AND RESIDENCE OF FOREIGNERS IN VIETNAM (No. 24/2000/PL-UBTVQH10 of April 28, 2000) approved & singed on April 28, 2000 by Mr Nong Duc Manh - Chairman of Vietnam National Assembly saying that 

Article 2.-

1. Vietnamese agencies and organizations, Vietnam - based foreign agencies and organizations as well as international organizations, Vietnamese citizens and foreigners lawfully residing in Vietnam may invite foreigners into Vietnam.

2. Agencies, organizations and individuals that invite foreigners into Vietnam shall have to ensure the compliance with foreigners' entry purposes, ensure financial matters and their cooperation with the State bodies to settle arising problems for foreigners.

DECREE No. 21/2001/ND-CP OF MAY 28, 2001 DETAILING THE IMPLEMENTATION OF THE ORDINANCE ON ENTRY, EXIT AND RESIDENCE OF FOREIGNERS IN VIETNAM approved & signed by Prime Minister Phan Van Khai saying :

Article 5.-

1. Agencies assigned to assume the prime responsibility for receiving foreign guests into Vietnam at the invitation of the Party Central Committee, the National Assembly, the State President or the Government and guests of the equivalent level of ministers, vice ministers, presidents or vice presidents of the People's Committees of the provinces and centrally-run cities, shall send written notices on the invitation and reception of foreign guests to the Consular Department of the Ministry for Foreign Affairs. The Consular Department of the Ministry for Foreign Affairs shall notify the Vietnamese diplomatic missions or consular offices in foreign countries thereof, so that the latter grant visas to the above-said invited guests, and at the same time notify such to the Exit and Entry Management Department of the Ministry of Public Security.

For foreigners entering to work at the foreign diplomatic missions or consular offices, representative offices of the United Nations' international organizations, the inter-governmental organizations based in Vietnam and their accompanying next of kin and servants, the above-said agencies shall have to send written notices on the invitation and reception of foreign guests to the Consular Department of the Ministry for Foreign Affairs. The Consular Department of the Ministry for Foreign Affairs shall notify such in writing to the Exit and Entry Management Department of the Ministry of Public Security before notifying and requesting the Vietnamese diplomatic missions or consular offices in foreign countries to grant visas.

Within 2 working days after receiving the written notices, if it detects that the invited foreigners fall into cases not yet permitted for entry, the Exit and Entry Management Department of the Ministry of Public Security shall inform such to the Consular Department of the Ministry for Foreign Affairs.

2. Agencies, organizations and individuals that invite foreigners into Vietnam who are not specified in Clause 1 of this Article shall send written notices or requests to the Exit and Entry Management Department of the Ministry of Public Security.

The Exit and Entry Management Department of the Ministry of Public Security shall notify its approval to the Vietnamese diplomatic mission or consular offices in foreign countries so that the latter grant visas to invited foreigners within 5 working days after the written notices or requests are received. If it detects that the invited foreigners fall into cases not yet permitted for entry, the Exit and Entry Management Department of the Ministry of Public Security shall inform the inviting agencies, organizations and/or individuals thereof.

3. Agencies, organizations and/or individuals that wish to have visas granted at Vietnam's international border-gates to foreigners falling into cases specified in Article 6 of the Ordinance shall send written requests to the Exit and Entry Management Department of the Ministry of Public Security. In cases of application for visa granting at border-gates for urgent reasons, the written requests therefor must be filed at least 12 hours before the invited foreigners arrive at the border-gates.