The International Organization for Migration (IOM) East Horn and Southern Africa (EHSA) Regional Office in Nairobi, Kenya is in the process of moving to a new office building in Nairobi. The selected consultancy firm will assist with the development and implementation of all security measures for the selected building, in coordination with the Office of Staff Security and the Project Manager based on the United Nations Department of Safety and Security (UNDSS) Physical Security Assessment (PSA) and the Physical Security Section (PSS) Blast Vulnerability Assessment (BVA) reports.