Complete site in Magento

WE ALREADY HAVE ONE MAGENTO SITE WORKING, NEED TO MAKE SOME IMPROVEMENTS TO OUR CLIENT WEBSITE. - CREATE ONE AREA OF PARTNER (ACESS BY PASS AND LOGIN) PARTNER WHERE SELLER CAN SEE IS CURRENT STATUS OF VOUCHERS/DEALS SOLD,ACTIVE, INACTIVE, PAID, ETC.., - INSTALL ONE MANANGEMENT BANNER AND INSTALLED IN RESPECTIVE PLACE. - INSTALL API PAYMENT GATEWAY (DELIVERED IN ZIP WITH INSTALATION MANUALS). - CREATE LINK AGENDA AREA WHERE CLIENTS BOOK SERVICE FOR ESPECIFIC VOUCHER DAY (VOUCHER, DATE, ETC) - MAKE SOME ADJUSTMENT IN LANGUAGE, FORMULARS AND INDEX DESIGN. TIME TO DELIVERY: 6 DAYS.