Implementation of food safety management systems (FSMS) in Iraqi food companies is recent entrance since a lot of years ago. A few number of medium and big size food companies have been selected to implement FSMS such as ISO 22000 after excessive training to Iraqi stakeholders received from FAO/WHO, beside to the individual efforts taken by the top management of some Iraqi food companies. The study comes to highlight the adoption of local food companies to implement the international standard ISO 22000, determine factors that influence in the implementation and the certification of FSMS through four types of questionnaires A, B, C, and D prepared for this purpose.Seventy (70) food companies participated in the survey divided into fifty (50) food companies from big size and twenty (20) food companies from medium size. Survey results demonstrated that motivations for implementation ISO 22000 in big food companies which implemented and certified ISO 2000 were, improving food safety and quality (5/15), and organizational reasons (5/15) have been 66.6% of the motivation for implementing ISO 22000, followed by reducing food borne diseases 20% (3/15), and promoting international trade 13.3% (2/15) respectively.In medium size companies, which implemented and certified ISO 22000, improving food safety and quality (2/5), and reducing food borne diseases (2/5) have been 80% of the motivation for implementing ISO 22000, followed by organizational reasons 20% (1/5). From total of seventy 70 food companies participated in the survey, the results demonstrated that 38 about 54.2% of food companies not implemented any FSMS from its establishing. Respondents from food companies’ referred that there are different factors hinder the implementation of any FSMS included ISO 22000 in their companies. About half of respondents (44.7%) 17/38 indicated that the costs of the implementation and certification FSMS ISO 22000 hinder to implement it, mentality of top management and its business culture (26.3%) 10/38, deficient experience in FSMS and specialists (13.1) 5/38, standard ISO 22000 not a matter for the consumers and the market (10.5) 4/38, and finally, inadequate infrastructure and facilities (5.2%) 2/38.