Corporate Booking - Frequently Asked Questions How to start the cooperation with HotelAdvisor.com?   The cooperation between HotelAdvisor.com and corporate clients is based on a contract signed by both parties. To contact a person responsible for the contracts please write to: corporate@hoteladvisor.com.   What are the costs of cooperation with HotelAdvisor.com?   The cooperation with HotelAdvisor.com is free of charge. HotelAdvisor.com will provide you with any instruments necessary for the cooperation with our company.   For how long is the contract signed?   The contract with HotelAdvisor.com is signed for an unspecified time with a three-month notice.   What are the conditions of retreating from the contract?   The contract with HotelAdvisor.com is signed for an unspecified time with three-month notice in written form.   How to make a reservation through HotelAdvisor.com?   The reservations through our web site are made by filling in the reservation form that can be found on our WEBSITE after choosing the hotel. The intuitive interface of our search engine and reservation system will lead you through the whole process of the reservation.   How many hotels signed a contract with HotelAdvisor.com?   HotelAdvisor.com signed a contract with about 50 thousand hotels all over the world, including about 500 in Poland .   How are the payments made by making the reservations through HotelAdvisor.com?   All the payments in our system are paid with credit cards. We undertook all steps necessary to make such way of payments safe.   Who may I contact in case of a problem?   We will answer any questions about the cooperation between a travel agency and HotelAdvisor.com at: corporate@hoteladvisor.com.