Dear BidderThe United Nations Development Programme (UNDP) hereby invites you to submit your Proposal to the Request for Proposal UNDP-HQ-01727: Digital Services in frames of Long-Term Agreement (LTA)Interested suppliers must submit their offer directly in the system as instructed in the solicitation document, following the instructions in the available user guide. if you have an account, please log in by following this link: http://supplier.quantum.partneragencies.org/ using your username and password. User the forgotten password/username feature if you do not remember them. If you do not have an account already, you can register one following this link: Supplier Portal Registration LinkAll the bidders are strongly encouraged to initiate the supplier registration in Quantum system at least three days before the tender deadline.Search for the specific tender using search filters and subscribe to the tender in order to get notifications in case of amendments of the tender document. If you need support with the online system, you can contact the contact details of this tender as indicated in the solicitation document.The Pre-Bidding Conference with interested bidders will be held on August 01, 2025 at 14:00 UTC via Zoom.Interested bidders are required to register for Pre-Bidding Conference by submitting their company name, list of attending representatives and their contact information at the following e-mail: [email protected] Attn: UNDP BPPS/HQ Nature Hub Procurement Subject: UNDP-HQ-01727 – Pre-Bidding Conference RegistrationProposals may be submitted on or before the deadline indicated in the respective section of this Negotiation.Additional information: - Bidders must send their inquiries and requests for clarifications related to Terms of Reference / Specification / Other bidding documents using the messaging functionality in the portal. - Documents should be submitted in English.ATTENTION: Proposal shall be submitted only through Quantum Supplier Portal for online eTendering. Proposals shall not be submitted to any email addresses. Otherwise, such proposals shall be disqualified.