Shirofune Inc.

Shirofune Inc. is a Japanese technology company specializing in an automated advertising management platform. Founded in 2014 by Mitsunaga Kikuchi, the company's core mission is to maximize the efficiency and productivity of digital advertising campaigns by simplifying ad management through intelligent automation. Headquartered in Chuo, Japan, Shirofune aims to replicate the decision-making of skilled ad managers through its proprietary algorithms.

The Shirofune platform offers a comprehensive suite of tools for digital advertisers, including budget management, bid optimization, performance visualization, and automated reporting and analysis. It supports integration with major advertising platforms such as Google, Yahoo!, Meta, Twitter, Microsoft, TikTok, Pinterest, LinkedIn, and Amazon. Key features include AI Auto-Budgeting Optimization, Smart AI Suggestions, and Deep Analysis Reporting, designed to streamline complex ad operations and enhance advertising effectiveness.

Shirofune has established a strong market presence, particularly in Japan, where it holds a 91% market share for its ad platform. The company expanded into the North American market in February 2023 and has since managed over 13,000 accounts and 300,000 active campaigns globally. Recent developments include the launch of an AI Summary feature in April 2026, utilizing generative AI for root-cause analysis and strategy recommendations, and an integration with Amazon DSP in March 2026. CEO Mitsunaga Kikuchi was recognized with the GOLD — Marketing Technology Innovator of the Year by the Association of National Advertisers (ANA) and an AdWeek TechStack Award in April 2025.