#Japan #Tokyo #Amazon Ads #Shirofune #ad automation

Shirofune's Game-Changer: Automated Bidding for Amazon Ads

In a move that is set to revolutionize the advertising landscape during massive sales events, Shirofune, a prominent player in ad automation, has rolled out a vital new feature for its Amazon Advertising automation tool. This newly introduced automated bidding optimization function is tailored specifically for high-demand sale days like Black Friday, New Year sales, and limited-time offers, where competition surges sharply and dynamic adjustments become imperative.

The Challenge of Sale Days

Sale days are a double-edged sword for advertisers. On one hand, these days present a golden opportunity to drive revenue. On the other, they come with their own set of challenges. Due to increased demand and aggressive competition, the landscape of searches and click costs shifts dramatically, which can make managing campaigns both stressful and labor-intensive. To effectively maximize sales within a set budget or maintain specific Return on Ad Spend (ROAS), advertisers often find themselves glued to their screens throughout the day and night, meticulously adjusting bids in real time.

Enter Shirofune's Automated Solution

Shirofune's latest feature mitigates this struggle by automatically optimizing bids based on real-time cost progress and performance metrics for specific sale days. No longer do advertisers need to monitor their campaigns continuously; the system can autonomously manage bidding to either maximize sales within a designated budget or effectively maintain a specific ROAS, all while allowing advertisers to focus on more strategic aspects of their business.

Benefits for Advertisers

This automation not only reduces the workload significantly but also enhances work-life balance for advertisers. Additionally, the feature supports an advanced level of bid adjustments that goes beyond human capability, leading to improved performance metrics. Shirofune's technology promises an efficient way to tap into the increased traffic and conversion opportunities that come with sale days, ensuring that clients can capitalize on these peak times without the stress of manual management.

Further Enhancements

Shirofune offers more than just bidding automation. The platform includes an array of features such as data preservation and search query improvement tools, amongst others. Various case studies demonstrate the effectiveness of Shirofune's automation capabilities, showcasing real examples from recognized companies like Yamazen and Superfood Lab that have experienced substantial improvements in their ad performance.

An Overview of Shirofune

Shirofune's commitment to facilitating professional-quality ad operations in just ten minutes a day stands at the core of its offerings. Targeting users of all experience levels, Shirofune simplifies the ad cycle from creation to optimization through intuitive controls. Leveraging AI, the platform can enhance creative analysis (both video and images), making it not only a tool for novices but also for seasoned advertisers seeking more sophisticated functionalities. By integrating data from various sources like CRM and eCommerce platforms, Shirofune enables users to execute ad campaigns based on long-term value metrics (LTV), significantly boosting advertising efficiency and productivity.

Currently, Shirofune empowers over 13,000 accounts to automate their advertising processes. From established corporations to burgeoning startups, a wide range of advertisers utilize Shirofune as the backbone of their ad operations. The tool has even been adopted by major advertising agencies as their internal operations system.

Since February 2023, Shirofune has also embarked on global expansion, with increasing adoption in regions like North America and Australia. Notably, the company’s founder, Mitsunaga Kikuchi, was honored with the prestigious GOLD award at the "2025 ANA Marketing Technology Innovator of the Year Awards" for his contributions in April 2025.

Company Overview

• - Name: Shirofune Co., Ltd.
• - Founder: Mitsunaga Kikuchi
• - Business Focus: Development and provision of the ad automation tool "Shirofune"
• - Founded: October 2014
• - Location: 1-8-13 Nihonbashi Honcho, Chuo-ku, Tokyo, 103-0023, Japan
• - Website: Shirofune
• - Affiliated Companies: ShirofuneX, ShirofunePlus, Shirofune Inc. (U.S. Corporation)