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Top Shopify Plus eCommerce Agencies

Discover the top Shopify Plus eCommerce agencies that specialize in building scalable, high-performance online stores. This expert-curated list features agencies with proven experience in Shopify Plus migrations, custom theme development, API integrations, CRO, and performance optimization. Whether you’re a fast-growing brand or an established enterprise, these agencies offer tailored solutions to help elevate your eCommerce presence. Verified reviews, portfolios, and key service offerings make it easy for you to compare and choose the best partner for your business needs. Find your ideal Shopify Plus agency to boost growth and deliver an exceptional online shopping experience.

List of the Best Shopify Plus eCommerce Companies | Top Shopify Plus eCommerce Agencies in the World

At Full of Grace Marketing, we're on a mission to make the world more positive, purposeful, and full of grace through the use of modern technology and digital marketing. Positive. Purposeful. Full of Grace In 2013, Sarah Douglas took a leap of faith from her corporate job and founded Full of Grace Marketing. She began by helping family members with… Read More
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    Employees: 2 to 10
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    Min. Project amount: $25000
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    Country: U.S.A
We are the proverbial one-stop shop for all things web-related. Originally trained as hand-coders — some of us in the days of telnet (the precursor to the internet as we know it), we pride ourselves on our NON-reliance on WYSIWYG (What You See Is What You Get). If you can dream it, we can build it! Read More
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    Employees: 0 to 1
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    Min. Project amount: $25000
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    Country: U.S.A
We’re teachers, mentors, and seen‑it‑all‑beforers. Starting with your existing tools and practices, we make incremental improvements as you’re ready for them so that our process changes stick. Whatever issues you’re having with your software or your teams—we’ve likely seen them before, and we know how to solve them. Test Double agents are empathetic teachers and mentors, and we can’t wait to work with your team.… Read More
Test Double delivered a performance that in one case doubled our throughput . . . Steve continues to see around corners— identifying gaps in our architecture, proposing and implementing new approaches. I couldn’t imagine this project succeeding without his technical leadership. DAN CARROLL, CLEVER
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    Employees: 51 to 200
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    Min. Project amount: $25000
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    Country: USA

Senarios

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Bring your ideas, we do the rest! Senarios is committed to provide exceptional software solutions and services for businesses, start-ups and enterprises. Bring in your ideas and we will help you build an empire. We provide custom software development services that helps in catalytic growth of your product. We know how to add the ‘X Factor’ in your business. Its… Read More
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    Employees: 11 to 50
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    Min. Project amount: $25000
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    Country: USA
OUR PHILOSOPHY Start Studio has been helping businesses design, build, market, and scale their flagship products since 2008. Creating new tech and helping our clients succeed is our passion. We've worked with some of the most successful companies in Utah, but we LOVE being plugged in with small startups as well. In order to stay on top of our game,… Read More
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    Employees: 0 to 1
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    Min. Project amount: $25000
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    Country: USA
For years, our co-founder Michael Girdley had been investing in startups in the local tech ecosystem. Over and over, he was approached by software company founders who were reaching out for investment and from others, a path to exit their businesses. But, there were no buyers that could provide the type of home these sellers wanted. ‍ These businesses were… Read More
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    Employees: 11 to 50
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    Min. Project amount: $25000
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    Country: USA

CSIntel

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A New Business (Program) Development Company - Here at CSIntel, it is our commitment to you that makes us strong. We believe that a business is only as successful as its clientele. Thus, we founded CSIntel on the philosophy of providing an affordable, cutting-edge solution for companies to be able to compete in today's fast-paced technological world. So it is… Read More
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    Employees: 2 to 10
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    Min. Project amount: $25000
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    Country: USA

Vervex

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Vervex started off as a humble design studio in Montréal, QC Canada. In its early days, Vervex offered mainly graphic design and web design services. Over time and as online marketing, branding strategy and web technologies evolved, so did our company. We grew alongside the market, always staying up to date with the latest standards and technologies. Read More
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    Employees: 2 to 10
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    Min. Project amount: $25000
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    Country: USA
We partner with early stage founders to deliver a turnkey solution from ideation to product implementation. We work with a team of experts at each product development phase to bring a product from concept to reality, developing a high-quality application that meets requirements and delivers results. Founders in the very early idea stage may engage in our design thinking workshops… Read More
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    Employees: 2 to 10
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    Min. Project amount: $25000
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    Country: USA

HybridMob

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HybridMob is a US based Ionic Framework Trusted Gold Partner specializing in custom Ionic development solutions. Our highly specialized team consists of expert Ionic Framework developers with experience building complex hybrid (iOS and Android) mobile apps across multiple industries. Our Ionic Framework Developers maintain the following core skills: Build hybrid mobile apps from scratch (using Ionic) Advanced technical knowledge of… Read More
Amazing company James
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    Employees: 50 to 200
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    Min. Project amount: $25000
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    Country: 21750 Hardy Oak Blvd Ste 104 #68673, San Antonio, TX, 78258

** Buyer's Guide **

1.What is a Shopify Plus eCommerce Agency?

A Shopify Plus eCommerce agency is a specialized service provider that helps enterprise-level businesses build, launch, and scale high-performing eCommerce stores on the Shopify Plus platform—Shopify’s enterprise-grade solution.

Expertise in Enterprise-Level eCommerce

Shopify Plus agencies have in-depth knowledge of the platform’s advanced capabilities, including automation tools like Shopify Flow, Launchpad, and Script Editor. These tools help large-scale businesses streamline operations and improve conversion rates.

Services Offered by Shopify Plus Agencies

Most Shopify Plus agencies offer a wide range of services, such as:

  • Custom theme design and development tailored to brand identity

  • Migration from other platforms like Magento, WooCommerce, or BigCommerce to Shopify Plus

  • Third-party integrations with CRM, ERP, PIM, POS, and marketing automation tools

  • Checkout customization using Shopify Scripts for personalized user experiences

  • Performance optimization to ensure fast loading times and mobile responsiveness

  • SEO and digital marketing strategies to increase visibility and sales

Designed for Growth and Scalability

These agencies focus on creating scalable, conversion-optimized websites that support high traffic volumes, international selling, and complex operational needs—making them a perfect fit for fast-growing brands and large retailers.

2.Why Should I Choose a Shopify Plus Agency?

Choosing a Shopify Plus agency gives your business a competitive advantage by leveraging expert knowledge and tailored strategies specifically designed for enterprise-level eCommerce.

In-Depth Shopify Plus Expertise

These agencies are well-versed in the capabilities of Shopify Plus, including advanced tools like Launchpad, Flow, and Script Editor. This allows them to create powerful, automated, and customized solutions for your online store.

Customized and Scalable Solutions

A Shopify Plus agency understands the needs of high-growth businesses and builds solutions that scale with your brand. From custom checkout flows to international storefronts, they create experiences tailored to your customers and operations.

Seamless Integrations

They can manage complex integrations with CRMs, ERPs, inventory systems, and marketing platforms—ensuring smooth operations across your entire tech stack.

Optimized for Conversions and Performance

Shopify Plus agencies focus on optimizing site speed, user experience, and conversion rates. With deep insights into shopper behavior, they create intuitive and high-performing storefronts that drive sales.

End-to-End Support

From initial design and development to post-launch maintenance and growth strategy, these agencies provide ongoing support to keep your store competitive and aligned with your business goals.

3.How Much Does It Cost to Hire a Shopify Plus Agency?

Hiring a Shopify Plus agency involves varying costs depending on your project’s complexity, customization level, and support requirements.

Basic Project Pricing

For smaller projects with standard theme customization, limited pages, and minimal integrations, prices typically start around $10,000 to $20,000. This might include setup, theme design, and some essential Shopify Plus configurations.

Mid-Range Builds

Mid-tier projects with custom design, moderate app or third-party integrations, and limited backend development can range from $25,000 to $50,000. These builds are ideal for growing brands that need more control and scalability.

Complex or Enterprise-Level Solutions

For large-scale businesses needing custom features, headless commerce, international setups, or deep ERP/CRM integrations, costs can exceed $75,000 to $100,000+. These projects often include strategy, UX research, advanced development, and ongoing optimization.

Ongoing Support and Maintenance

Many agencies also offer monthly retainers for continued support, which can cost anywhere from $2,000 to $10,000/month, depending on the services provided—such as performance monitoring, SEO, marketing automation, and feature updates.

4.How Long Does It Take to Launch a Shopify Plus Store?

Launching a Shopify Plus store typically takes between 8 to 16 weeks, though the exact timeline can vary based on multiple factors such as store size, design complexity, and development needs.

1. Discovery & Planning (1–2 Weeks)

This phase includes understanding your business goals, audience, product catalog, and feature requirements. Agencies also gather assets like logos, brand guidelines, and initial content.

2. Design & Branding (2–4 Weeks)

Custom design work begins here—either from scratch or based on a chosen theme. It includes UX/UI design, wireframes, branding integration, and user flow planning.

3. Development & Integration (3–6 Weeks)

The Shopify Plus store is developed and customized. This phase includes building custom features, integrating third-party apps, setting up payment/shipping, and configuring the backend.

4. Testing & Quality Assurance (1–2 Weeks)

Rigorous testing ensures the site works smoothly across devices and browsers. Checkout, product pages, and integrations are reviewed for performance and security.

5. Launch Preparation & Go Live (1 Week)

Final revisions are made, content is uploaded, SEO basics are applied, and the store is launched.

🕒 Note: Timelines may extend if there are delays in content delivery, frequent revisions, or complex third-party integrations. Working with an experienced Shopify Plus agency can help streamline the process.

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