Partner of 40+ Shopify Plus Merchants and App Owners
Shopify Experts in Japan
The Shopify Agency for Quality-Focused Japanese Brands
Meticulous Shopify Development for the Japanese Market
Tired of slow-moving projects and half-baked solutions? We take Shopify stores from “meh” to “money-making” in record time. No fluff, no delays - just expert execution.
Shopify dev that grows with you
We engineer solutions that grow with your business.Design that converts, not just looking pretty
We do design that keeps customers clicking and buying.Revenue optimisation done right
CRO isn’t about guesses—it’s about data-driven growth.Custom apps that give you the edge
If your store needs a custom solution, we’ll build it.Support that keeps you winning
Say goodbye to bugs, downtime, and outdated tech.
Why Shopify Agencies Matter in Japan’s E-commerce World
Winning in Japan means meeting local expectations from the first click. Customers want familiar payments - PayPay, Rakuten Pay, LINE Pay, JCB cards, Paidy (BNPL), and konbini options - plus clear delivery choices and a fast mobile checkout. We wire all of that into your Shopify store, add kana/furigana inputs and Japan‑ready address formats, and connect logistics with Yamato Transport, Sagawa Express, and Japan Post.
We localize your design and content for Japanese shoppers, optimize for Google and Yahoo! JAPAN, and structure product pages with the details, reviews, and trust signals buyers expect.
On compliance, we support APPI data practices and required notices under the Specified Commercial Transactions Act. We also configure consumption tax correctly (10%, and 8% reduced rate where applicable). Net result: a Shopify store that feels native in Japan and scales smoothly.
The State of Shopify in Japan: Localization, Payments, and Cross‑Border Trends
Shopify's footprint in Japan is shaped by three critical pillars: localization, payments, and cross-border capability.
Japanese merchants can build fully localized storefronts with multi-language support, translated URLs, and region-specific pricing through Shopify Markets - essential for reaching both domestic and international customers.
On the payments front, Shopify Payments accepts all major Japanese cards (JCB, Visa, Mastercard, Amex) plus digital wallets like Apple Pay and Shop Pay, though merchants must comply with Japan's Specified Commercial Transactions Act.
For cross-border growth, Shopify's duty and tax collection at checkout simplifies international expansion, while third-party integrations enable konbini (convenience store) payments - a preferred method for cash-reliant Japanese consumers.
Together, these features position Shopify as a flexible platform for Japanese brands navigating local expectations and global ambitions.
Where Global Technology Meets Japanese Craftsmanship
Success stories worth mentioning
Wizpop - A "Built for Shopify" embedded app for popup data collection.
- App Development
- UX/UI Design
- Branding
A Shopify Plus custom-made bundle creator that boosted emma&noah's AOV by 61%
- Shopify
- Shopify custom app
- UX/UI Design
A "Built for Shopify" ready redesign of an SEO Optimizer Shopify app ReRank.
- Shopify App Redesign
- UX/UI Design
Full redesign of Enibbana's Shopify storefront.
- Store Development
- UX/UI Design
Custom build for Spoon's Shopify storefront.
- Store Development
- UX/UI Design
Wizpop - A "Built for Shopify" embedded app for popup data collection.
- App Development
- UX/UI Design
- Branding
A Shopify Plus custom-made bundle creator that boosted emma&noah's AOV by 61%
- Shopify
- Shopify custom app
- UX/UI Design
A "Built for Shopify" ready redesign of an SEO Optimizer Shopify app ReRank.
- Shopify App Redesign
- UX/UI Design
Full redesign of Enibbana's Shopify storefront.
- Store Development
- UX/UI Design
Custom build for Spoon's Shopify storefront.
- Store Development
- UX/UI Design
Next-Level Quality
Senior design, development, and CRO at your fingertips. Our professional, conversion-focused craftsmanship ensures you stand out in the marketplace.
Rapid Turnaround
Get design and development updates in days, not weeks. We prioritize efficiency to keep your store fresh and competitive.
Scale Up or Down
Pause anytime, or request one-off projects. Our flexible model adapts to your evolving store without rigid contracts.
Trusted by Discerning Brands and Businesses in Japan
Very competent team who do the work diligently and professionally while still maintaining an agile approach
Matthew Webb
CTO, Top Screen Media
Ready to Partner with a Shopify Agency that Understands Quality?
- Try it out
One-Off Shopify Projects
Need a high-impact Shopify launch, fast? Our One-Off Project service is perfect for MVP builds, theme customizations, brand refreshes, and key store upgrades. We offer:
Dedicated Shopify Partner
We handle your project end-to-end
48-Hour Updates
See real progress and give feedback quickly.
App/Theme Add-Ons
Custom functionality with easy integration.
Seamless Workflow
Communicate via Slack, Loom, or Notion.
Flat Price
Know your costs upfront, no hidden fees.
Their communication was exceptional, and their meticulous attention to detail in data gathering stood out.
Sam CutroniCEO, DataToolsFree UX audit worth $1,500 included - Most popular
Monthly Shopify Development
The fastest way to scale design and dev without hiring a full‑time team. Ideal for established Shopify apps, scaling DTC brands, and product‑led stores seeking consistent growth.
Full E‑Commerce Team Access
UX Designer, senior Shopify dev, and CRO specialist at your service.
Weekly Strategy Calls
We plan campaigns, product launches, and store optimizations together.
Fast Turnaround
Small tweaks or brand-new features - delivered in days, not weeks.
Expert Project Management
Communicate and collaborate instantly on Slack or Discord no long email chains
Flat Price
Know exactly what you’re paying upfront, with zero hidden fees
They communicate daily with us, so we’re always updated on how the tasks are progressing.
Andreas MüllerE-Commerce Manager, Emma & NoahPause or cancel anytimeWe're experiencing a high volume of bookings for . To get a response faster, email us directly on business@grumspot.com
Frequently Asked Questions About Shopify Agency in Japan
What services does your Shopify agency offer in Japan?
We provide end-to-end Shopify solutions tailored for the Japanese market. Our services include Shopify store development and migration, custom theme design, app integration, full Japanese localization, payment gateway configuration (including konbini and local methods), compliance support for the Specified Commercial Transactions Act, SEO optimization, and ongoing maintenance. We help both Japanese brands going global and international brands entering Japan.What payment methods can you integrate for Japanese customers?
We integrate the full spectrum of Japanese payment preferences. Beyond Shopify Payments (JCB, Visa, Mastercard, Amex, Apple Pay, Google Pay), we set up konbini payments through providers like KOMOJU, bank transfer options, PayPay, LINE Pay, and other digital wallets. We'll analyze your target audience and recommend the optimal payment mix to maximize conversion rates.Can you help us sell internationally from Japan?
Definitely. We configure Shopify Markets to enable seamless cross-border selling with multi-currency pricing, international shipping integration, automated duties and taxes collection, and localized storefronts for different regions. Whether you're a Japanese brand expanding globally or managing worldwide operations from Japan, we'll handle the technical setup and guide you through compliance and logistics considerations.
Our Shopify CRO designs
See how we’ve redesigned Shopify stores to boost engagement, streamline UX, and maximize sales with before-and-after examples.
Stat of the day
The average cart abandonment rate online is about 70%
Baymard Institute (2023)
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