Frontier International Inc. engages in the provision of sales promotion and event planning services in Japan. The company provides multiple services from plan proposals to event execution, including public relations (PR) presentation, pop-up stores, marketing/promotion, parties, ceremonies, trade fairs, and exhibitions; digital marketing services comprising of website design, application development, social media marketing, and influencer/celebrity management; campaign promotion activities, such as merchandise development and store design/layout; and space production services that include interior design, window display, showroom/store design, and fixture development activities. It is also involved in the PR activities, such as media relations and pitches, and corporate and product PR; marketing/creative solutions, including marketing strategy and creative solutions; personal selling activities, such as sales promotion, hiring and training staff, venue selection, sales floor set-up, and reporting; and in-store promotion activities. The company was incorporated in 1990 and is headquartered in Shibuya, Japan.