---
title: Case Studies | Real Results from Clients Using Shirofune | Cost Efficiency & ROI
description: Cost Efficiency & ROI | Learn how marketing professionals streamline operations and improve ROI with Shirofune’s ad automation platform through real-life case studies.
image: https://shirofune.io/hubfs/39890648/images/global/shirofune-og.png
---

# Case Studies

See how Shirofune helps businesses achieve more—with less.

From global agencies to in-house teams, our clients unlock higher ROAS, reduced workloads, and faster decision-making by shifting from manual operations to strategic automation.

Explore real-world examples of measurable impact.

| Country |  |
| --- | --- |
| Issue |  |

[![Case Study: Crio Bru | How Crio Bru Achieved a 147% Increase in Amazon ROAS and Reduced Ad Operations Time by 47% with Shirofune](https://shirofune.io/hubfs/case-study-pdf/Crio%20Bru/Crio%20Bru_logo.png)

[Cost Efficiency & ROI](https://shirofune.io/case-studies/tag/cost-efficiency-roi) [Time & Workflow Efficiency](https://shirofune.io/case-studies/tag/time-workflow-efficiency) [Scalability & Business Growth](https://shirofune.io/case-studies/tag/scalability-business-growth) [United States](https://shirofune.io/case-studies/tag/united-states) [Advertiser](https://shirofune.io/case-studies/tag/advertiser)

Case Study: Crio Bru | How Crio Bru Achieved a 147% Increase in Amazon ROAS and Reduced Ad Operations Time by 47% with Shirofune

Increase in ROAS

 147%

Increase in LTV

 500% 

](https://shirofune.io/case-studies/criobru) [![Case Study: The Pistol | How The Pistol Boosted ROAS by 47% and Drastically Reduced Manual Campaign Work with Shirofune](https://shirofune.io/hubfs/case-study-pdf/The%20Pistol/the%20pistol_logo.png)

[Cost Efficiency & ROI](https://shirofune.io/case-studies/tag/cost-efficiency-roi) [Time & Workflow Efficiency](https://shirofune.io/case-studies/tag/time-workflow-efficiency) [Agency](https://shirofune.io/case-studies/tag/agency) [Australia](https://shirofune.io/case-studies/tag/australia)

Case Study: The Pistol | How The Pistol Boosted ROAS by 47% and Drastically Reduced Manual Campaign Work with Shirofune

Increase in ROAS

 47%

Reduction in CPA

 10% 

](https://shirofune.io/case-studies/the-pistol) [![Case Study: Carrot-Top | Boosted ROAS & Reduced CPA by 40% with AI-Powered Automation](https://shirofune.io/hubfs/images/blogs/news/img-carrot-top.png)

[Cost Efficiency & ROI](https://shirofune.io/case-studies/tag/cost-efficiency-roi) [Budget Tracking & Performance Visibility](https://shirofune.io/case-studies/tag/budget-tracking-performance-visibility) [United States](https://shirofune.io/case-studies/tag/united-states) [Advertiser](https://shirofune.io/case-studies/tag/advertiser)

Case Study: Carrot-Top | Boosted ROAS & Reduced CPA by 40% with AI-Powered Automation

Reduced CPA

 40% 

](https://shirofune.io/case-studies/carrot-top) [![Case Study: Direct Agents | Cut Ad Ops Time by 63% & Boosted MQLs by 75% with Shirofune](https://shirofune.io/hubfs/images/blogs/news/img-direct-agents.png)

[Cost Efficiency & ROI](https://shirofune.io/case-studies/tag/cost-efficiency-roi) [Time & Workflow Efficiency](https://shirofune.io/case-studies/tag/time-workflow-efficiency) [United States](https://shirofune.io/case-studies/tag/united-states) [Agency](https://shirofune.io/case-studies/tag/agency)

Case Study: Direct Agents | Cut Ad Ops Time by 63% & Boosted MQLs by 75% with Shirofune

Reduced Monthly Time

 63%

Increased MQLs

 75% 

](https://shirofune.io/case-studies/direct-agents)

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