Top 7 Shopify Plus Agencies To Watch In 2026

Scaling on Shopify Plus isn't just about having a powerful platform; it's about connecting with expert talent to unlock its full potential. As your eCommerce business expands, the complexity of its technical architecture, conversion rate optimization, and multi-channel integration quickly outpaces what an in-house team can manage alone. This is where specialized Shopify Plus agencies become your competitive advantage. They bring deep platform expertise, proven growth strategies, and the technical skill to build, optimize, and scale your storefront effectively.

This guide cuts through the noise. It provides a curated list of top agencies and a clear framework for evaluating which partner aligns with your specific goals, budget, and operational needs. We'll explore different agency models, from traditional enterprise partners to flexible subscription-based teams, helping you make a strategic investment that pays dividends in revenue and market share. Choosing the right team is a critical decision, much like deciding how to outsource software development, where the right choice accelerates growth and the wrong one creates costly setbacks.

You’ll find a direct comparison of leading Shopify Plus agencies, including ECORN, We Make Websites, and Domaine, complete with screenshots and direct links. Our goal is to give you everything needed to make a confident decision. We'll cover:

• Key Services and Specializations: What each agency does best.
• Ideal Client Profile: Who they are the perfect fit for.
• Pricing Models: Understanding how they structure their fees.
• Actionable Evaluation Criteria: A checklist to guide your hiring process.

This resource is designed to be your go-to guide for finding a partner that can handle the technical challenges, allowing you to focus on growing your brand.

1. ECORN

Best for: Flexible, high-speed Shopify support without long-term contracts.

ECORN positions itself as a uniquely agile partner for ambitious eCommerce brands, blending the speed of a freelancer with the coordinated power of an in-house agency team. This model is particularly effective for emerging and scaling DTC brands that require consistent, expert-level support but want to avoid the overhead and commitment of full-time hires or traditional agency retainers. Their core value proposition is clear: provide on-demand access to a dedicated team of Shopify specialists covering design, development, and conversion optimization, all within a flexible subscription framework.

What sets ECORN apart from other Shopify Plus agencies is its operational speed and transparent, predictable capacity. Brands can get a team integrated into their projects within 24 hours, a significant advantage when market opportunities or technical issues require immediate attention. Instead of selling rigid project deliverables, ECORN provides blocks of team hours, giving clients the freedom to direct resources toward their most pressing needs, whether it's a theme customization, a back-end integration, or a new CRO experiment.

Key Strengths and Capabilities

ECORN’s service model is built around a few core pillars that directly address common pain points for growing merchants:

• Subscription-Based Model: Clients can choose from monthly hour packs (Lite: 35 hours, Basic: 80 hours, Shopify Pack: 160 hours). This structure provides predictable monthly costs and guarantees resource availability without locking brands into restrictive annual contracts. You can scale your support up or down as your needs change.
• Rapid Onboarding and Execution: The agency's promise to have specialists ready to start work in as little as one business day is a powerful differentiator. This "freelancer-speed" agility is ideal for brands that need to supplement their internal team for a specific sprint or tackle an urgent development task without a lengthy procurement process.
• Full-Spectrum Shopify Expertise: ECORN provides a comprehensive team that includes UX/UI designers, front-end and back-end developers, and CRO specialists. This integrated approach ensures that projects are handled holistically, from visual design to technical performance and business impact. They also have proven experience with complex multi-store and Shopify Plus implementations for clients like AGE OF INNOCENCE and EKONIKA.
• Low-Risk Trial Option: For businesses hesitant to commit to a subscription, ECORN offers a one-off project option at a competitive hourly rate ($55/hour) with no minimum. This "test before you subscribe" path allows brands to evaluate the team's skills, communication, and workflow on a smaller task before scaling the engagement.

Practical Use Cases

This agency is a strong fit for several common scenarios:

• Scaling Brands Needing an "Ops" Partner: If your brand is growing fast and constantly needs theme tweaks, app integrations, and performance optimizations, ECORN can act as your dedicated technical arm.
• Businesses Preparing for Peak Seasons: Engage ECORN for a few months leading up to Black Friday or other major sales events to prepare your site, run CRO tests, and ensure stability.
• Companies with Lean Internal Teams: Augment your existing team with specialized Shopify developers or designers without the long-term cost of hiring.

For those looking to deepen their understanding of the platform's capabilities, ECORN also provides valuable resources; their guide offers a detailed look at how to get the most out of Shopify Plus for enterprise growth.

Pros & Cons

Visit the website: ECORN Agency

2. We Make Websites

We Make Websites (WMW) has established itself as a go-to partner for large-scale, international brands needing high-stakes Shopify Plus builds. With a strong presence in both New York and London, they are positioned to handle complex projects that require a mature, battle-tested process. Their focus is clearly on the enterprise segment, delivering sophisticated solutions for brands that demand global scalability and flawless execution.

This agency shines when dealing with intricate replatforming projects, headless commerce architecture, and multi-region storefronts. Their portfolio, featuring names like Hasbro, Dockers, and HyperX, demonstrates a deep understanding of the challenges large organizations face, from complex data migration to integrating with established ERP systems.

Key Strengths and Offerings

We Make Websites is not a typical agency for small-to-mid-sized businesses; their services are built for enterprise-level challenges. They are an excellent choice for businesses that have outgrown their current platform or need a partner capable of managing a global digital footprint.

• Internationalization Expertise: They specialize in multi-language and multi-currency rollouts, helping brands expand their reach across different markets seamlessly.
• Headless & Composable Commerce: For brands seeking maximum front-end flexibility and performance, WMW has proven experience with headless builds using platforms like Sanity CMS.
• Robust Partner Ecosystem: Their close relationships with key Shopify Plus technology partners like Klaviyo, Recharge, and Yotpo ensure that integrations are handled correctly from the start. This is a critical detail that any brand should clarify when choosing a Shopify development agency.
• Post-Launch Growth: Beyond the initial build, WMW offers ongoing support through conversion rate optimization (CRO) and strategic guidance, drawing from a deep library of content and insights.

Pricing and Engagement Model

WMW operates on a premium, custom-quoted model. Engagements are scoped based on the specific, often complex, requirements of the project. This makes them a "safe pair of hands" for high-stakes builds where budget is secondary to a successful, on-time delivery.

Website: https://www.wemakewebsites.com

3. Domaine

Formed by the 2023 merger of industry veterans Tomorrow and Half Helix, Domaine immediately entered the scene as a heavyweight Shopify design and development practice. This US-led, remote-first agency has hubs in New York, Toronto, and London, giving it a global footprint to service enterprise-level clients. Their core focus is on large-scale migrations and creating unified commerce experiences that bridge DTC, B2B, and POS systems.

With a massive team of over 300 professionals, Domaine has the capacity to handle the most demanding projects. Their impressive portfolio, which includes brands like Arhaus, Timex, Khaite, and Laura Mercier, reflects their ability to blend high-end creative with robust technical engineering. They are a true full-service partner, covering the entire project lifecycle from initial strategy to post-launch marketing.

Key Strengths and Offerings

Domaine is built for brands that require significant resources and deep technical knowledge. Their scale allows them to tackle complex integrations and custom builds that smaller shops simply cannot manage, making them one of the top-tier Shopify Plus agencies for enterprise clients.

• Full-Service Capabilities: The agency provides a complete suite of services, including strategy, creative direction, engineering, and lifecycle marketing, ensuring a cohesive approach from start to finish.
• Enterprise-Scale Delivery: With over 350 Shopify sites launched and more than $5 billion in GMV generated across their client portfolio, their track record speaks for itself.
• Unified Commerce Specialization: They excel at integrating various sales channels (DTC, B2B, POS) into a single, manageable ecosystem, a critical need for modern retail giants.
• Active R&D: Through initiatives like Domaine Labs, the agency stays at the forefront of eCommerce technology, actively exploring and implementing new solutions in line with Shopify's product roadmap.

Pricing and Engagement Model

Domaine operates on a custom proposal basis tailored to the specific needs of large, complex projects. Their engagement model is designed for enterprise-level clients who need a reliable, high-capacity partner and prioritize execution quality over minimal cost. This structure makes them an ideal choice for ambitious brands undertaking significant digital transformations.

Website: https://www.meetdomaine.com

4. Avex

Avex is a New York-based Shopify Plus agency known for unifying direct-to-consumer (DTC), retail, and B2B experiences for high-growth brands. Their work focuses on creating seamless customer journeys across multiple channels, making them an ideal partner for businesses scaling their omnichannel operations. With a portfolio that includes KITH, FILA, and quip, Avex demonstrates a clear capacity for handling complex, design-forward projects for established names.

This agency excels at ambitious replatforming projects, international storefront rollouts, and sophisticated UX design that balances brand aesthetic with conversion-focused principles. Their proven status as a top-tier Shopify Plus partner is visible in Shopify’s own directory, providing brands with an external validator of their expertise and successful track record. They are particularly skilled at modernizing tech stacks and integrating complex systems, such as ERP and POS, into a cohesive eCommerce ecosystem.

Key Strengths and Offerings

Avex provides full-funnel services that go beyond a one-time build, positioning themselves as a long-term growth partner. They are a strong choice for brands that need a unified strategy covering customer acquisition, conversion, and retention under one roof.

• Full-Funnel Growth Services: Avex offers a complete suite of services from initial strategy and UX/UI design to conversion rate optimization (CRO) and retention marketing via email and SMS.
• Omnichannel Expertise: They specialize in connecting online stores with physical retail (POS) and wholesale (B2B) channels, creating a consistent brand experience for every customer.
• Retention and Marketing Prowess: As a Klaviyo Platinum Master Partner, Avex has documented expertise in building powerful email and SMS marketing programs that drive customer loyalty and repeat purchases.
• Technical Modernization: The team is adept at headless commerce builds and complex systems integrations, helping brands move away from outdated platforms and build for future flexibility.

Pricing and Engagement Model

Avex operates on a custom project basis, with engagement levels suited for established or rapidly scaling brands. While Shopify's directory may list starting budgets around $10,000, actual project statements of work (SOWs) are scoped based on the specific complexities and strategic goals. This model is built for brands that require a deep, strategic partnership rather than a simple transactional build.

Website: https://www.avexdesigns.com

5. Fuel Made

Fuel Made is a boutique US-based Shopify Plus agency that has carved out a distinct niche by focusing intently on conversion-centric design and customer retention. With a long-standing reputation as a verified Plus Partner, they appeal to performance-oriented brands that measure success in concrete metrics like conversion rate, average order value, and customer lifetime value. Their approach is less about flash and more about systematic, data-informed growth.

This agency is known for rigorous execution led by senior-level talent, ensuring that strategy, design, and development are all aligned toward a single goal: increasing revenue. They are a strong choice for established brands that need not just a new website, but a high-performance commerce engine. To better understand the ecosystem that drives high-growth brands like those working with Fuel Made, you might find insight in exploring What Is Ecommerce Fuel.

Key Strengths and Offerings

Fuel Made's services are built for brands that prioritize measurable results and a clean, effective user experience. Their integrated approach connects a powerful storefront with a robust retention strategy, creating a flywheel effect for growth. They are one of the Shopify Plus agencies that effectively blends creative design with data science.

• CRO-First Store Redesigns: Their entire process is built around conversion rate optimization. They conduct deep research and user testing to inform designs that are not only beautiful but are engineered to sell more effectively.
• Deep Lifecycle & Email Capability: Fuel Made possesses exceptional expertise in email and SMS marketing, specifically with Klaviyo. They build sophisticated flows and campaigns designed to maximize customer retention and LTV.
• Senior-Led Custom Execution: Projects are directly managed and executed by senior strategists, designers, and developers. This hands-on, expert-led model ensures high-quality output and strategic alignment from start to finish.
• Performance-Oriented Development: The focus is always on building fast, reliable, and scalable storefronts. They deliver clean code and smart technical solutions that support long-term growth without accumulating technical debt.

Pricing and Engagement Model

As a boutique agency offering a high-touch, senior-led service, Fuel Made operates on a custom project basis. Pricing is tailored to the specific scope and complexity of the work. While official pricing is not public, third-party profiles and industry reputation suggest minimum project fees starting around $25,000, with higher hourly rates for complex development and strategy work.

Website: https://fuelmade.com

6. Trellis

Trellis is a full-service eCommerce agency based in the US, known for its strong practice in both direct-to-consumer and B2B commerce on Shopify Plus. With a background extending to platforms like Magento and BigCommerce, they bring a broad perspective that is particularly valuable for brands undertaking complex migrations. Their structured approach offers a clear path for businesses needing strategy, creative design, engineering, and performance marketing under one roof.

This agency is well-suited for businesses that require more than just a website build; they focus on creating integrated digital ecosystems. Trellis excels at connecting Shopify Plus to essential business systems like ERPs, CRMs, and PIMs, making them a solid choice for established companies that need their online store to function as a central part of their operations. Their multi-platform experience gives them a unique edge in managing intricate data and functionality transitions.

Key Strengths and Offerings

Trellis provides structured delivery models tailored to different needs, from ongoing support to ambitious headless builds. Their service offering is designed for businesses looking for a long-term partner to guide their growth, not just a one-off project vendor.

• Structured Delivery Models: Trellis offers clear engagement paths like their "Evergreen" team model for ongoing development and their "Outgrow" model for advanced headless implementations.
• Deep Integration Capabilities: They have a strong focus on omnichannel retail, specializing in complex integrations with backend systems that are critical for scaling operations smoothly.
• Ongoing Growth Support: Unlike agencies that only focus on the initial launch, Trellis combines ongoing development with performance marketing to ensure the site continues to evolve and drive revenue post-launch.
• B2B and DTC Expertise: Their portfolio showcases a proficiency in building solutions for both B2B wholesale and direct-to-consumer brands, a key advantage for companies serving multiple market segments.

Pricing and Engagement Model

Trellis works on a custom-quoted basis, with project and retainer costs varying based on the scope of work. Their model is built for significant engagements, often involving heavy custom development or long-term growth partnerships. They are one of the few Shopify Plus agencies that openly provide budget guidance, with typical monthly budgets for ongoing support often cited in partner listings.

Website: https://trellis.co

7. Corra

Corra positions itself as a heavyweight systems integrator for enterprise-level brands that require more than just a Shopify Plus store. They are a strategic partner for businesses undergoing significant digital change, especially those moving away from complex monolithic platforms like Adobe Commerce or Salesforce Commerce Cloud. Their expertise lies in managing the intricate web of integrations, custom development, and change management that such projects demand.

This agency is the choice for brands whose commerce operations are deeply intertwined with other business systems like ERPs, PIMs, and complex fulfillment logic. Their case studies, featuring names like Moroccanoil, STAUD, and Creed, highlight their ability to build high-performing headless storefronts and manage high-stakes, peak-traffic events like Black Friday Cyber Monday with documented success.

Key Strengths and Offerings

Corra's services are built for the technical and organizational demands of large-scale commerce. They focus on creating robust, API-driven architectures that provide both performance and flexibility, making them a top-tier Shopify Plus agency for companies with long-term, multi-system roadmaps.

• Enterprise Migration Specialists: They have a proven methodology for migrating large brands from platforms like Adobe and SFCC to Shopify Plus, handling the data, integrations, and business process adjustments that are critical for a smooth transition.
• Headless & API-First Builds: Corra has deep experience with headless technologies like Shopify's Hydrogen and Remix, building custom storefronts that connect to intricate back-end systems for fulfillment and inventory management.
• Performance and Security: For enterprise clients, uptime and compliance are non-negotiable. Corra places a strong emphasis on performance optimization for high-traffic events and ensuring security and compliance standards are met.
• Custom Application Development: When off-the-shelf apps don't meet specific business needs, Corra develops custom applications and middleware to bridge the gap between Shopify and other core business systems.

Pricing and Engagement Model

Corra operates exclusively on a custom statement-of-work (SOW) basis, tailored to the significant requirements of enterprise clients. Their projects are substantial investments, reflecting the complexity and strategic importance of the work. They are a partner for businesses where the primary concern is flawless execution and long-term architectural stability, not the lowest possible cost.

Website: https://corra.com/shopifyplus/

Shopify Plus: Top 7 Agencies Compared

Making the Right Choice: Your Action Plan for Hiring an Agency

Choosing from the top Shopify Plus agencies is a significant step that directly influences your brand’s future growth. We've explored a range of partners, from traditional project-based firms like Avex and Corra to agile, subscription-first models like ECORN. The ideal partner is more than a vendor; they become a strategic extension of your internal team, blending technical expertise with genuine business insight. A poor fit, however, can result in misaligned goals, budget overruns, and stagnant growth.

Your decision should be a direct reflection of your company's immediate needs and long-term vision. The right partner for a complete replatforming project might differ from the one best suited for ongoing conversion rate optimization.

Distilling Your Needs: Immediate vs. Long-Term

Before you schedule a single discovery call, it's critical to define your priorities. Start by asking precise questions to clarify your objectives.

• What is the primary problem we need to solve right now? Is it a slow site speed that’s killing conversions, a clunky UX that frustrates mobile shoppers, or a need for custom integrations to support a new fulfillment process?
• What is our 12-18 month roadmap? Are we planning to expand into new international markets, launch a subscription service, or overhaul our brand identity?
• What is our internal capacity? Do we have a project manager to oversee a large-scale build, or do we need a more hands-off, self-managed agency team?

A brand struggling with daily technical debt and a backlog of small-but-impactful UX fixes would find great value in a flexible, on-demand partner. Conversely, a company planning a massive, multi-year migration from Magento to Shopify Plus may need an agency with deep enterprise-level project management experience.

Your Final Vetting Checklist

As you narrow down your list of potential Shopify Plus agencies, use this final checklist to guide your conversations and ensure a thorough evaluation.

1. Review Relevant Case Studies: Don't just look for big-name clients. Find case studies that mirror your specific challenges. If you’re a DTC food and beverage brand, a success story from a B2B industrial parts supplier is less relevant.
2. Scrutinize Their Process: Ask them to walk you through their project management methodology. How do they handle communication, feedback, and scope changes? Look for a structured yet adaptable approach that fits your team's workflow.
3. Meet the Actual Team: The people you meet during the sales process may not be the ones working on your account. Request a brief call with the project manager or lead developer who would be assigned to you. Chemistry and communication style are paramount.
4. Discuss Post-Launch Support: What happens after the project goes live? Understand their options for ongoing support, maintenance, and optimization. Is it a fixed retainer, a block of hours, or a more flexible arrangement?

Key Takeaway: The "best" Shopify Plus agency is not a universal title. It's the agency that best aligns with your specific business goals, budget, team structure, and company culture.

Ultimately, this decision is about finding a partnership that enables growth, not just a service provider that completes tasks. Whether you need the firepower of a large agency for a monumental build or the nimble, expert support of a subscription team for continuous improvement, the perfect fit is out there. Use the insights from this guide to ask the right questions, vet each candidate carefully, and select a partner who will help you build your business for years to come.

Ready to skip the long-term retainers and get direct access to a dedicated team of Shopify Plus experts? ECORN offers a flexible, subscription-first model that adapts to your needs, whether you're focused on CRO, custom development, or design enhancements. Explore how ECORN can become your agile growth partner.