Hands-on consulting for
e-commerce & D2C strategy

Consultants with 20+ years of business experience to grow your business

About the Founder

20+ years of business experience and achievements

Shinnosuke Mizuno (水野晋之介)

Representative, S-GRIT LLC

Key Background

  • MBA from Tuck School of Business
  • Experience at strategy consulting firms
  • 20+ years in D2C and e-commerce operations
  • Track record growing businesses to over JPY 1.5B

Expertise

  • D2C & e-commerce strategy
  • DX and digital transformation
  • New business planning & launch
  • Brand relaunch & repositioning
JPY 15B →

Renewed e-commerce platform and enhanced operations management

+78%

Transform sales approach and strengthen cross-functional coordination

50+ stores

Launched D2C stores from scratch

Diverse categories

Extensive experience across consumer goods

Services

Consulting tailored to your company's growth stage

📊

D2C Strategy Consulting

From strategy to execution for e-commerce and direct-to-consumer businesses.

🔄

DX Enablement

Drive efficiency and innovation through digital transformation.

🚀

New Business Planning

Support from concept to operation for new business launches.

🎯

Brand Repositioning

Rebuild your brand to secure a strong market position.

📈

Project Management

Drive projects with business-focused management and requirements.

🤝

Management Consulting

Support for strategy and operational execution for leadership teams.

Case Studies

Supporting businesses of various industries and sizes

Global Music Company (Japan)

Head of EC

Led D2C for physical products; improved promotions and expanded, achieving +78% growth in 3 years and JPY 400M cross-border EC in year one.

Enterprise Shopify build
Shopify EC operations

German Outdoor Brand

Brand Director (Japan)

Relaunched in Japan and shifted target demographic; expanded to 4 stores, EC, and 150 wholesale partners in 2.5 years.

Brand rebuild
Channel development

US Cap Brand

E-commerce & Retail Director

Scaled DTC revenue ~3.7x over 4 years with 26%+ annual growth in e-commerce.

3.7x growth
Retail store expansion
EC renewal

Large Entertainment Company

Apparel Brand Launch — Retail & EC Lead

Oversaw new brand launch including store development, merchandising, and operations. Grew to 14 physical stores and JPY 1B online sales within 3 years.

New business from scratch
Grew to JPY 1B in sales

Shopify Premier Partner Vendor

Strategic Support

Supported strategy and management for a leading Shopify Premier Partner, managing project delivery on large enterprise engagements.

Management & Strategy Support
Business Requirements Lead

Strategy Consulting / Execution Support

Strategy Consultant

Leveraged experience from strategy consulting and execution to support growth of multiple startups, including strategy and market entry planning and execution.

Startup support

Contact

Business consulting inquiries and requests

If you have questions about S-GRIT's solutions, please reach out using the contact below.

📧 Email

shin@s-grit.com

📱 Inquiry

Please contact us by email for inquiries.