Shopify Plus

Shopify Plus Agency Capabilities

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Our Shopify Plus Expertise

MGROUP brings over 10 years of hands-on experience in eCommerce and Shopify development,  helping brands grow through strong technical execution, clear strategy, and practical solutions built for long-term performance.

Our extensive range of services includes: 

  • Custom Shopify Plus development

  • Replatforming and migrations

  • B2B and wholesale solutions

  • Shopify Functions and checkout extensibility

  • ERP, CRM, and subscription integrations

  • CRO and retained support

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Shopify Developement

Transparent Delivery

Clear timelines, realistic estimates, and direct communication. We keep every stage visible, so you always understand progress, priorities, and next steps.

Shopify Developement

Results-Driven

We build for outcomes, not activity. Our work is focused on growth, better user experience, stronger operations, and measurable eCommerce performance.

Shopify Developement

Flexibility

Every brand grows differently. We adapt our approach to your goals, internal processes, and technical needs, whether you need a focused build or long-term support.

Shopify Plus Agency for High-Growth eCommerce Brands

Mgroup is a Shopify Plus agency for brands with complex growth, B2B and wholesale workflows, and integration needs. We deliver custom development, CRO improvements, and long-term technical support for scalable ecommerce operations.

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Shopify Plus Agency

Why Brands Choose Mgroup as Their Shopify Plus Agency

  • custom Shopify Plus development for complex storefronts

  • B2B and wholesale workflows with tailored logic

  • ERP, CRM, subscription, and 3PL integrations

  • Shopify Functions and checkout extensibility

  • ongoing Shopify Plus support after launch

  • smooth collaboration with in-house ecommerce teams

Shopify Plus Partner

Need a Shopify Plus partner?

Talk to Mgroup about custom Shopify Plus development, B2B builds, integrations, CRO improvements, and long-term support. We help brands launch, optimize, and scale complex Shopify Plus stores with solutions tailored to real business needs, not standard templates.

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Our Clients Get Results

MGROUP delivered a well-designed and intuitive website with diverse payment options, which the customers loved. As a result, the company's traffic and sales doubled in record time. The team remarkably collaborated through Slack, Jira, and GitHub. Overall, they were dedicated, flexible, and reliable.

Susanne Zellmer
Susanne Zellmer Co-Founder, DYOPLUS, LP

Mgroup was successful in producing Shopify-based websites. The client reported a whopping  $500,000 worth of transactions were process from the site. The team was communicative and responsive throughout the engagement.

Takeshi Amano
Takeshi Amano CEO, IT Dev Company

"Always quick to respond and could easily translate my very poor wireframes into beautiful designs with little direction. I have no doubt I will hire in the future."

Joel Burke
Joel Burke VP Business Development

The team impressed with their high-quality development skills and the ability to complete all deliverables according to agreed-upon deadlines. While additional communication touchpoints are desired, Mgroup was often able to finish tasks ahead of schedule, moving the project along seamlessly.

Vladimir Liulka
Vladimir Liulka Co-Founder & CEO, Blocksport

We're very happy with Mgroup's work over the past (nearly) year. The quality of work and speed are exactly what we need and communication is always fast and easy. Reccomend!

SD
Simon Derbaix Founder of Biird

Thank you, guys, for the work you have done! Mgroup delivered a user-friendly website on time, with clear guidelines and exceptional quality. They managed the project well and impressed us with attention to detail.

TW
The West Home The West Home Team

MGROUP’s work has led to a noticeable increase in the client’s monthly revenue, an improved conversion rate, and enhanced customer engagement metrics. The team delivers milestones on time, is very responsive, and proactively offers solutions to potential challenges. They also communicate seamlessly.

Marc Malo
Marc Malo Founder of Stakora

It was great working with MGROUP - Shopify Development Experts. They understand the job right away and delivered the project in a timely manner without any revisions needed. Would highly recommend and will certainly be working with them again in the future!

Hans-Christian Tholander
Hans-Christian Tholander Co-founder at RYZE
550 completed web and eCommerce projects
10 + years in Shopify and eCommerce
20 + specialists across development, QA, PM, and design
5 Clients across 5 countries

BUILT FOR BRANDS WITH MORE COMPLEX SHOPIFY NEEDS

Who Shopify Plus is

Shopify Plus Agency is the right fit for B2B and wholesale brands, merchants migrating from Magento or BigCommerce, businesses with ERP, CRM, and 3PL integrations, and teams that need checkout extensibility, Shopify Functions, and ongoing support. We help brands scale with strategy, development, optimization, conversion improvements, and long-term growth support.

B2B and wholesale brands

Shopify Plus is a strong choice for B2B and wholesale brands that need account-based buying, custom pricing, private catalogs, and more advanced wholesale workflows. For brands selling to distributors, retailers, or business buyers, Shopify Plus creates a more scalable B2B structure with fewer

Brands migrating from legacy platforms

Shopify Plus is a smart fit for merchants moving from Magento, BigCommerce, WooCommerce, or custom commerce platforms to a faster, more maintainable Shopify setup. It works especially well for brands that want to reduce technical debt, simplify operations, and improve long-term scalability.

Brands with complex integrations

Shopify Plus is well suited for businesses that need ERP, CRM, 3PL, subscription, PIM, or custom backend integrations to keep operations connected across sales, inventory, fulfillment, and customer data. It gives growing brands a stronger foundation for connected commerce and more stable operational workflows.

Brands needing checkout extensibility

Shopify Plus is ideal for businesses that need Shopify Functions, checkout extensibility, custom validation logic, advanced discounting, and more flexible purchase flows. It helps brands move beyond standard storefront limitations and build a more tailored buying experience.

Teams needing post-launch support

Shopify Plus is a strong long-term option for brands that need ongoing development, technical maintenance, feature delivery, CRO improvements, and post-launch support. It is especially valuable for teams that want a reliable Shopify Plus partner after launch, not just a one-time build.

Brands scaling across multiple markets

Shopify Plus is a strong fit for brands expanding into new regions, currencies, languages, and customer segments. It works well for businesses that need a more scalable international setup with localized storefront experiences, more flexible operations, and better support for long-term growth across markets.

SHOPIFY PLUS AGENCY

Selected Shopify Plus projects

We support Shopify Plus brands that need more than standard theme customization. Our work often includes B2B storefront logic, conversion-focused UX improvements, systems integrations, and ongoing technical support for scaling eCommerce teams.

2026
SHOPIFY PLUS B2B

B2B storefront improvements for complex catalog, pricing, and collection experiences.

2026
SYSTEMS INTEGRATION

ERP, CRM, and fulfillment integration work for scalable Shopify Plus operations.

Tahiro Shopify Plus
2025
CONVERSION OPTIMIZATION

Checkout, cart, and product page improvements focused on conversion

FAQ

A Shopify Plus agency helps brands plan, build, optimize, and scale complex eCommerce experiences on Shopify Plus. Services can include custom storefront development, B2B functionality, checkout extensibility, Shopify Functions, third-party integrations, CRO improvements, and ongoing technical support. With the right partner, merchants can create a faster, more flexible store that supports long-term growth. An experienced Shopify Plus Agency also provides strategic guidance, performance monitoring, and platform expertise to help businesses adapt, improve operations, and stay competitive as they expand.

As a Shopify Plus Agency, we work with both. Some clients come to us for a new Shopify Plus build, while others need support improving an existing store, extending functionality, fixing technical limitations, or optimizing performance after launch. We tailor our approach to each business, helping brands scale with the right strategy, technology, and ongoing support.

Yes. We develop Shopify Plus B2B experiences with customer-specific pricing, account structures, wholesale catalogs, custom ordering flows, quote requests, and tailored purchasing logic for more complex sales models.

Yes. We work with modern Shopify capabilities including Shopify Functions and checkout extensibility to implement advanced discount logic, validation rules, custom checkout behavior, and more flexible purchase flows.

Yes. We help brands connect Shopify Plus with ERP, CRM, subscription platforms, fulfillment systems, inventory tools, and other operational software to improve data flow and reduce manual work.

Yes. We support brands after launch through retained development, technical support, feature enhancements, troubleshooting, and continuous store optimization based on business priorities.

Yes. We often work alongside internal teams, marketers, designers, product owners, and technical stakeholders. We can support as an external Shopify Plus development partner or take ownership of specific workstreams.