Your 2026 Guide to the Best Shopify Plus Agencies for Ecommerce Success

You’re running a serious ecommerce operation. You’ve outgrown standard Shopify plans, and now you’re on Shopify Plus, which is smart. It gives you the power and scalability you need. But that power comes with complexity, and making the most of it often requires specialized expertise. That’s where a top-tier Shopify Plus agency comes in. They don’t just build websites; they build entire digital ecosystems designed for your growth. the best shopify plus agencies

Choosing the right partner can feel daunting. You’re entrusting them with your brand’s online future, your revenue streams, and your customer experience. This isn’t a decision you should take lightly. The agencies I’ve highlighted here represent some of the best shopify plus agencies out there, each with unique strengths. We’re talking about partners who understand the nuances of headless commerce, international expansion, complex integrations, and the fierce competition you face in today’s digital marketplace.

What Matters When Choosing the Best Shopify Plus Agencies for Your Store

What Makes a Shopify Plus Agency Stand Out?

Before we dive into specific recommendations, let’s consider what truly defines an excellent Shopify Plus agency. It’s more than just technical skill; though that’s non-negotiable. You want a partner who aligns with your business goals and truly understands your customers. Look for agencies that offer a mix of strategic thinking, impeccable design, solid development capabilities, and ongoing support.

  • Deep Platform Expertise: They should live and breathe Shopify Plus. This means familiarity with its APIs, Liquid templating, custom checkout, and integrations.
  • Strategic Vision: They don’t just execute your ideas; they challenge them, refine them, and bring their own insights to the table to help you achieve your larger business objectives.
  • Proven Track Record: You want to see case studies, client testimonials, and a portfolio that showcases successful projects in your industry or with similar challenges.
  • Full-Service Offering: The best agencies often provide services beyond just development, including UX/UI design, conversion rate optimization (CRO), search engine optimization (SEO), digital marketing, and even replatforming strategy.
  • Communication & Transparency: You need clear communication, regular updates, and a transparent project management process. You want to feel like a true partner, not just a client.

Making the Smart Choice The Best Shopify Plus Agencies for Your Ecommerce Store

We Make Websites: The International Design Powerhouse

If your brand has global ambitions or simply demands a truly premium, custom-designed experience, We Make Websites should be on your radar. They’re renowned for their stunning visual work and their ability to craft sophisticated user journeys. They have a strong presence in both the US and UK, making them a solid choice for brands looking to expand across continents.

Key Features & Offerings

  • Custom Storefront Design: They excel at creating unique, on-brand designs that don’t look like off-the-shelf templates. Expect bespoke themes and exceptional user interfaces.
  • Internationalization Expertise: From multi-currency to multi-language setups, they understand the complexities of selling globally on Shopify Plus.
  • Complex Migrations: They frequently handle large-scale replatforming projects from various legacy systems to Shopify Plus.
  • Post-Launch Support & Optimization: They offer ongoing partnership for growth, focusing on CRO and site performance.

Pros

  • Exceptional design and UX/UI capabilities. Your store will look and feel premium.
  • Strong focus on international growth strategies. They understand global nuances.
  • Experienced with high-volume, complex migrations. You can trust them with your data.
  • A truly collaborative approach. They involve you at every step.

Cons

  • Premium pricing. Their expertise comes with a higher investment, making them less suitable for smaller budgets.
  • Project timelines can be longer due to the custom nature of their work. Don’t expect a quick turnaround for a full build.
  • Best for established brands ready for a significant investment in their online presence.

Pricing Indication

Expect project minimums typically starting in the six-figure range ($100,000+), varying based on project scope and complexity. They often work on fixed-price projects or retainer models for ongoing support.

Our Pick: The 7 Best Shopify Plus Agencies for High-Volume Ecommerce

Barrel: The Brand-First Growth Partner

Barrel positions itself as a digital agency for ambitious brands, and they deliver. They don’t just build your Shopify Plus site; they integrate it into a broader brand strategy. If your primary goal is to tell your brand story compellingly while driving serious conversions, Barrel’s strategic and design-led approach will resonate with you. They focus heavily on building experiences that convert browsers into loyal customers.

Key Features & Offerings

  • Strategic Branding & UX: They prioritize how your brand communicates and how users interact with your site, ensuring a cohesive and engaging experience.
  • Thorough Shopify Plus Development: From custom feature development to API integrations, they handle the technical heavy lifting.
  • Digital Marketing & CRO: They offer integrated marketing services to ensure your beautiful new store actually performs.
  • Ongoing Partnership: They prefer long-term relationships, focusing on continuous improvement and growth post-launch.

Pros

  • Excellent at blending brand storytelling with conversion optimization. Your brand narrative will shine.
  • Strong strategic capabilities, acting as more than just developers. They’re true partners.
  • Experienced with a diverse range of industries and complex product catalogs.
  • Dedicated to building long-term relationships and driving sustained growth for your business.

Cons

  • Also a premium-priced agency. This is an investment for brands serious about significant growth.
  • May not be the right fit if you’re only looking for basic development work without strategic input.
  • Their project processes can be detailed, requiring significant client involvement.

Pricing Indication

Projects typically begin at $75,000 to $150,000+, depending on the scope of strategic work, design, and development. They often work on project-based fees for initial builds and then transition to retainer agreements for ongoing support and marketing services.

Blend Commerce: The Conversion Rate Optimization Specialists

If your current Shopify Plus store has solid bones but isn’t converting as well as you’d like, Blend Commerce is your go-to. They are renowned for their focus on conversion rate optimization (CRO) and email marketing, making them ideal for brands looking to squeeze more revenue out of their existing traffic. They’re based in the UK but work with global clients, bringing a data-driven approach to every project.

Key Features & Offerings

  • Hyper-focused CRO: They conduct deep analytics, A/B testing, and user behavior analysis to identify and fix conversion roadblocks.
  • Expert Email Marketing: They design and implement solid email flows and campaigns, primarily using Klaviyo, a key tool for retention.
  • Shopify Plus Development: While strong on CRO, they also provide development services to implement their optimization recommendations.
  • Strategic Growth Consulting: They offer strategic advice on scaling your business through performance marketing and customer lifecycle optimization.

Pros

  • Exceptional expertise in CRO. You’ll see measurable improvements in conversion rates.
  • Deep knowledge of email marketing best practices, particularly with Klaviyo. This can boost your customer lifetime value.
  • Data-driven approach to all recommendations. They don’t guess; they test.
  • Ideal for brands with existing traffic looking to optimize their sales funnel.

Cons

  • Less emphasis on initial large-scale branding or custom theme builds compared to design-first agencies.
  • May not be the best choice if you need a completely new site from scratch and design is your absolute top priority.
  • Their focus is heavily on performance, which might not suit brands primarily looking for brand awareness.

Pricing Indication

Blend Commerce typically works on a retainer model for ongoing CRO and email marketing services, with monthly fees often starting around $5,000 – $10,000+, depending on the intensity of the work. Project-based work for specific site improvements is also available.

Common Thread Collective (CTC): The Marketing-First Integrators

Common Thread Collective isn’t just an agency; they’re a growth machine. While deeply rooted in performance marketing (paid social, search, email), they also offer solid Shopify Plus development services because they understand that a high-performing store is foundational to successful marketing. If you want an agency that thinks about your entire sales funnel from ad click to checkout, CTC offers a highly integrated solution.

Key Features & Offerings

  • Integrated Marketing & Development: They combine their marketing prowess with Shopify Plus development to ensure your store is optimized for all traffic sources.
  • Advanced Analytics & Reporting: Expect sophisticated tracking and reporting that connects marketing spend directly to store performance.
  • Conversion-Focused Design & Development: Every aspect of their build considers its impact on your conversion rates and average order value.
  • Strategic Partnership: They aim to be a long-term partner, helping you scale your business through thorough strategies.

Pros

  • Unparalleled expertise in driving traffic and converting it. They know how to make ads pay off.
  • Complete approach that considers marketing, store performance, and customer lifetime value.
  • Strong emphasis on data and measurable results. You’ll understand your ROI.
  • Excellent for brands looking to scale aggressively through paid channels.

Cons

  • Their primary lens is marketing, so if you need a deep dive into highly complex backend systems or bespoke integrations unrelated to marketing performance, you might need a different specialist.
  • Can be very results-driven, which is a pro for most, but their methods are specific and might not suit every brand’s internal philosophy.
  • High investment often required due to the scope of integrated services.

Pricing Indication

CTC typically works on a retainer basis for marketing and growth services, often tied to a percentage of ad spend or monthly minimums, which can range from $10,000 to $50,000+ per month, depending on ad budgets and service scope. Development projects are usually quoted separately or as part of a larger retainer.

Eastside Co: The Full-Service UK Shopify Plus Experts

Based in the UK, Eastside Co is a full-service agency that offers everything from branding and design to development, marketing, and ongoing support for Shopify Plus brands. They have a strong reputation for delivering high-quality, scalable solutions and are particularly well-suited for brands looking for a single partner to handle all aspects of their online growth. Their deep technical expertise in Shopify Plus is a major asset.

Key Features & Offerings

  • End-to-End Solutions: They cover branding, UI/UX design, custom Shopify Plus development, digital marketing, and ongoing optimization.
  • App Development: They can build custom apps and integrations to meet unique business needs, extending Shopify Plus functionality.
  • International Shipping & Logistics: Strong understanding of the complexities of global fulfillment and integration with various shipping providers.
  • Growth Retainers: Offer ongoing support, maintenance, and strategic development to ensure continuous improvement.

Pros

  • One-stop shop for almost all your Shopify Plus needs. This simplifies vendor management.
  • Strong technical development capabilities, especially for complex custom features.
  • Excellent track record with a diverse portfolio of successful Shopify Plus stores.
  • Good communication and project management processes. You’ll always know where things stand.

Cons

  • Being full-service means they might not have the hyper-specialization in one area (e.g., CRO) as some niche agencies.
  • Project costs can accumulate quickly when utilizing multiple services.
  • Primarily UK-based, which might mean time zone differences to consider for non-European clients, though they are adept at remote collaboration.

Pricing Indication

Initial Shopify Plus builds and replatforming projects usually start from $50,000 to $100,000+. They also offer monthly retainer packages for ongoing support, maintenance, and growth initiatives, typically ranging from $3,000 to $15,000+.

MuteSix: Performance Marketing Powerhouse with Integrated Development

MuteSix is a performance marketing agency that has deeply integrated Shopify Plus development into its offerings. They are exceptionally good at driving growth through paid channels – Facebook, Instagram, Google, and more. Their approach to Shopify Plus development is inherently tied to maximizing ad spend efficiency and conversion rates. If your primary growth lever is performance marketing, and you need a store built to convert, MuteSix is a compelling option.

Key Features & Offerings

  • Industry-Leading Performance Marketing: They excel at paid social, search, and email marketing, driving significant ROI for clients.
  • Conversion-Focused Shopify Plus Development: Their development team builds stores with the singular goal of maximizing conversion from paid traffic.
  • Creative & Content Production: They often create high-performing ad creatives and landing page content that integrates seamlessly with your Shopify Plus store.
  • Advanced Analytics & Attribution: Deep understanding of tracking and attributing sales back to specific marketing efforts.

Pros

  • Exceptional at scaling businesses through highly effective paid media strategies.
  • Their development work is directly optimized for performance marketing, ensuring smooth integration.
  • Strong emphasis on measurable ROI and data-driven decision-making. You’ll see the numbers.
  • Ideal for high-growth DTC brands heavily reliant on advertising to acquire customers.

Cons

  • Their core strength is marketing, so if you have extremely complex back-end ERP integrations or highly bespoke software development needs, you might need to supplement their services.
  • The investment level is significant due to the scale and expertise of their marketing and development teams.
  • Their methodology is highly performance-oriented; less focus on purely aesthetic or experimental design that isn’t directly tied to conversions.

Pricing Indication

MuteSix operates primarily on a performance-based or retainer model for marketing services, often with minimum monthly spends starting at $15,000 to $25,000+ for ad management alone, plus development costs. Shopify Plus development projects are quoted based on scope, often ranging from $50,000 to $150,000+ for a full build or replatform.

Your Next Steps: Asking the Right Questions

Now that you have a clearer picture of some of the top contenders, your next step is to engage with them. Don’t just look at their portfolios; talk to their teams. You want to understand their process, their communication style, and their specific approach to your challenges. Here are a few questions you should definitely ask

  • What is your typical project scope and timeline for a brand of our size and complexity?
  • Can you provide case studies specifically related to [your industry] or [your specific challenge, e.g., international expansion, headless commerce]?
  • How do you handle ongoing support, maintenance, and optimization after the initial launch?
  • What are your payment terms and typical project structure (fixed-price, retainer, hourly)?
  • Who will be our main point of contact, and what does the project management process look like?
  • How do you approach conversion rate optimization and performance tracking?
  • What happens if we need custom app development or integration with a unique third-party system?

Your Shopify Plus store is the engine of your ecommerce business. Investing in the right agency isn’t just about building a website; it’s about building a foundation for sustainable, significant growth. Choose a partner who understands your vision, challenges your assumptions for the better, and has a proven track record of delivering results for ambitious brands like yours. You’ll thank yourself for doing the due diligence.