The United Nations Office for Project Services (hereinafter "UNOPS") invites you to submit documents for prequalification for the Provision of Engineering Services in Ukraine.This Pre-qualification is a formal method of assessing an organisation against a set of pre-determined criteria. This process is not related to specific solicitation process and focuses on a general assessment of an organisations’ operational, personnel capabilities and internal processes, including internal quality management and financial health.Please refer to the attached Section I Instructions to Prospective Bidders for details.IMPORTANT NOTE: Interested vendors must respond to this tender using the UNOPS eSourcing system, via the UNGM portal. In order to access the full UNOPS tender details, request clarifications on the tender, and submit a vendor response to a tender using the system, vendors need to be registered as a UNOPS vendor at the UNGM portal and be logged into UNGM. For guidance on how to register on UNGM and submit responses to UNOPS tenders in the UNOPS eSourcing system, please refer to the user guide and other resources available at: https://esourcing.unops.org/#/Help/GuidesClarification meetingA clarification meeting shall be held as follows:Date: 5 May 2026Time: 14:00 (Kyiv time)Location: Virtual meeting via GoogleMeet.Video call link: meet.google.com/jic-enxe-ysi Participation in the clarification meeting is not mandatory but participation is strongly encouraged to avoid the risk of non-compliant bids. Depending on the interest UNOPS reserves the right to change the modality of the meeting. All interested Bidders will be timely informed about the meeting details.