The United Nations Educational, Scientific and Cultural Organization (UNESCO) hereby invites qualified companies to submit bids as follows: Emergency Consolidation of the Antakya Gate and Alaa Tower, for the Ancient City of Aleppo Towers and Gates in Syria The interested companies who wish to participate in the ITB (Ref: BEI-ITB-25-1A) must download the full set of Solicitation Documents, published herein. The Electronic Bids must be signed and submitted in strict compliance with the instructions in Clause 17 “Submission and Marking of Bids” no later than 27 October 2025 at 18:00 Beirut Time. UNESCO reserves the right to amend the documents at any time during the solicitation process. Any amendments or clarifications will be communicated directly to all bidders who have officially confirmed their intention to submit a bid using the Intention to Bid Form (Annex IV). No remuneration will be made to companies for the preparation and submission of their tenders. For all inquiries, please contact: [email protected]