e- Procurement Solution Contractor & Vendor Management

I need a total Procurement management solution/portal the encompasses the following but not limited. Contractor / Vendor registration PROCUREMENT PORTAL Front-end Graphical User Interface layout for all high-level functionalities described below, along with configurable secondary functionalities, such as news, Frequently Asked Questions and an online help service. The service supports the registration of Contracting Authorities (buyers) and Economic Operators (suppliers).It provides the functionality to manage accounts as well as to authenticate the users to access the system. Security The e-PPS platform ensures the equal treatment of all financial institutions and the transparency of the competitions by adopting recognized and acceptable models related to the protection of sensitive information. Time-stamping In order to record the exact time when a tender is submitted, and to avoid any disputes or even objections, the e-PPS platform may use the services of an independent time-stamping authority. The exact time of the submission of a tender is stored in the database of the independent authority and also sent to the Economic Operator. e-Notification Supports the automated procedure to publish contract notices in the Official Journal of the EU and other publication boards. Furthermore, it supports easy electronic access to tender documents and clarifications. E-TENDERING Supports the submission of tenders, either via the web system or via an independent, standalone application. The system provides the capability of automatic validation of electronic proposals, in order for the suppliers to be able to receive immediate feedback in their proposals. E-AWARDING Supports the opening and evaluation of tenders, in line with the related legal regulations. The proposals evaluation is achieved with the use of the established methods (Most Financially Profitable Proposal or according to the Lowest Price criterion), while the evaluation procedure can include the conducting of e-Auctions. NOTES 1. All PO/OS of the CfT must authorise the opening of tender documents within a pre-defined period, before these are unlocked. 2. All PO/ES must approve the technical evaluation before proceeding to the financial evaluation 3. All PO/ES must approve the financial evaluation before proceeding to the final ranking 4. The PO/TC can edit the draft evaluation report as many times as required. Only when submitted as final does the system proceed to the preliminary notification of all participants 5. Complaints can be submitted within a predefined time-period 6. All complaints must be resolved before proceeding to the final notification of the successful tenderer E-AUCTIONS A dynamic subsystem which supports the receipt of improved tenders, through the use of electronic auction events. NOTES 1. All PO/OS of the CfT must authorise the opening of tender documents within a pre-defined period, before these are unlocked. 2. All PO/ES must approve the technical evaluation before proceeding to the financial evaluation 3. All PO/ES must approve the financial evaluation before proceeding to the final ranking 4. The PO/TC can edit the draft evaluation report as many times as required. Only when submitted as final does the system proceed to the preliminary notification of all participants 5. Complaints can be submitted within a predefined time-period 6. All complaints must be resolved before proceeding to the final notification of the successful tenderer E-INVOICING & E-PAYMENT Supports the electronic issuing and processing of invoices and payments. E-CATALOGUES & E-ORDERING Supports the use of catalogue-based tenders in order to facilitate e-Ordering and purchasing of products. E-STATISTICS Supports the extraction of statistical data and the processing of information regarding to the contract awards. additional module sugestion or the proof of similar work will be a plus in selection .Thanks