As early as years ten back American hotel Hampton Inn has introduced the program of the quality assurance of service. To the client who has been not satisfied by quality of service, it was offered to not pay at all for services. Results have appeared the most unexpected: 99 percent of the visitors, taken advantage a guarantee, have declared, that will return to hotel to give it the second chance, and 40 percent have really returned, having brought the additional income in $1 million in 1990. Thus the hotel was spent for payments of guarantees with $350 thousand That is remarkable - on each unfair complaint it was necessary 19 fair. The program of 100 % Gust Satesfaction Guarantee operates and in network Radisson SAS. If the visitor after satisfaction of the complaint remains dissatisfied, it should not pay for number or services of inadequate quality.