INVITATION TO BIDREF#: UNDP-SAU-ITB-2025-002 Long-Term Agreements (LTAs) for the Recruitment of National and International Experts LTA for the provision of end-to-end Human Resources outsourcing services to support UNDP Saudi Arabia and its implementing partnersSECTION 1: LETTER OF INVITATIONUnited Nations Development Programme, hereinafter referred to as UNDP  hereby invites prospective bidders to submit a bid for the provision of services in accordance with the General Conditions of Contract and the Schedule of Requirements as set out in this Invitation to Bid (ITB)The objective of this procurement exercise is to establish a Long-Term Agreement (LTA) with a qualified Third-Party Contractor (TPC) for the provision of end-to-end Human Resources outsourcing services to support UNDP Saudi Arabia and its implementing partnersTo enable you to submit a bid, please read the following attached documents carefully.Section 1: This Letter of InvitationSection 2: Instructions to BiddersSection 3: Bid Data Sheet Section 4: Evaluation CriteriaSection 5: Schedule of RequirementsSection 6: Conditions of Contract and Contract FormsSection 7: Bidding Forms·         Form A: Bid Confirmation·         Form B: Checklist·         Form C: Bid Submission·         Form D: Bidder Information·         Form E: Joint Venture/Consortium/Association Information·         Form F: Eligibility and Qualification·         Form G: Technical Bid·         Form H: Price Schedule          Form K: Price Breakdown·         Form I: Bid Security Note: Prebid meeting will be conducted on 16th Dec 2025 (this is a revised date)If you are interested in submitting a bid in response to this ITB, please prepare your bid in accordance with the requirements and procedure as set out in this ITB and submit it by the deadline for submission of bids set out in this document and in the supplier portal. Please indicate whether you intend to submit a bid by creating a draft response without submitting directly in the system. This will enable the system to send notifications in case of amendments of the tender requirements. Should you require further clarifications, kindly communicate using the messaging functionality in the system. Offers must be submitted directly in the system following this link: http://supplier.quantum.partneragencies.org  using the profile you may have in the portal.In case you have never registered before, you can register a profile using the registration link shared via the procurement notice and following the instructions in guides available in UNDP website: https://www.undp.org/procurement/business/resources-for-bidders.  Do not create a new profile if you already have one. Use the forgotten password feature in case you do not remember the password or the username from previous registration.We look forward to receiving your bid.