The analysis of opportunities and threats in each work area is considered as one of the main stages of strategic management, and if the complexity of the said area increases in terms of the number of components and the relationships between them, this action is considered necessary. In the third millennium of competition In order to sell their products, organizations and manufacturing companies have changed their attitude towards marketing and advertising strategies, and organizations, willingly or unwillingly, must have specific strategies in this field in order to survive in a competitive environment. In this regard, the purpose of this study , identifying and prioritizing marketing and advertising strategies in manufacturing companies in the UK marine industry. This research is applied in terms of purpose and descriptive in terms of implementation method, and in order to collect information, possible strategies were identified by using literature and research background. The statistical population of this research was all the managers of 5 companies active in the marine industry in the port of Leeds, England, and due to their limited number, the entire number was used and all the managers of these companies participated in the survey. The data collection tool was a pairwise comparison questionnaire and it was analyzed using the Hierarchical Analysis Process method and Expert Choice software. In order to determine the content validity of the tool, it was used according to the experts, and in order to determine the reliability, the inconsistency coefficient was used in the process of hierarchical analysis. Considering that the companies active in marine industries are present in the international and global competition and according to the investigations made by the company managers, the marketing strategy of the company was based on the ANSF table of the market development strategy and on this basis and considering the priority criteria A category that includes market penetration, cost, population covered and finally helps branding. The results of the research showed that from the point of view of influence in the market, the covered community and help in branding, the advertising strategy was chosen as the best strategy, and from the point of view of the cost of advertising strategy in social networks, they were chosen as the most suitable advertising strategy.