Business management consulting and advisory services; computer database management services, namely, managing databases featuring client information for others; marketing consulting services; market research services; business information services, namely, tracking, analyzing, forecasting and reporting cardholder purchase behavior; promoting the sale of the goods and services of others by means of rewards and incentives generated in connection with the use of credit, debit and payment cards through means of wireless networks, mobile telecommunications devices or global computer network; administration of loyalty and rewards programs through means of wireless networks, mobile telecommunications devices or global computer network which provide access to coupons, vouchers voucher codes and rebates at retailers and to obtain loyalty or monetary rewards that can be credited to their accounts via a cash-back system; advertising for others through means of wireless network, mobile telecommunications devices or a global computer network; business administration consultancy; providing office functions; commercial, industrial and business management assistance; business appraisals; advisory services for business management; conducting marketing studies; providing statistical information for business purposes; preparation of statements of accounts; book-keeping; business research; public relations; publication of publicity texts; distribution and dissemination of publicity leaflets for advertising purposes; computer database management; data processing; computerized business data retrieval services; promoting concerts and cultural events of others; advertising services, namely, promoting the services of others in the field of transport, travel, hotels, lodging, food and meals, sports, entertainment and sightseeing, for tourist agencies services through means of wireless networks, mobile telecommunications devices or global computer network; providing information regarding purchase of goods and services on-line through means of the Internet and other computer networks, namely, transaction receipts and account balances; consulting services for managing computer databases of client profile information of others; providing an on-line and mobile directory of information regarding merchants who accept contactless mobile payments and promote goods and services through this channel; the provision of information and advisory services relating to all the aforesaid