Frontier International Inc. provides sales promotion and event planning services in Japan. Its offerings span plan proposals through event execution, including public relations, pop-up stores, marketing and promotion, parties, ceremonies, trade fairs, and exhibitions. It also provides digital marketing such as website design, application development, social media marketing, and influencer and celebrity management, along with campaign promotion, space production, and in-store promotion services. The company was incorporated in 1990 and is headquartered in Shibuya, Japan.