Once experimental, platforms like Shopify Plus are core tools for large retailers to scale online sales, manage global storefronts, and handle high traffic without custom builds.
This change is evident in the platform’s adoption rates. More than 47,000 enterprise websites now run on the platform, nearly doubling from about 25,000 in 2022. That scale comes with technical demands that most in-house teams cannot handle on their own.
Certified Shopify Plus and Platinum Partners help enterprise retailers manage migrations, integrations, and performance optimization.
That is why choosing the right agency is a critical decision rather than a routine vendor search. Here are the top 10 options to help narrow down your search.
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1. Avenue Z
Avenue Z is a Shopify Plus partner specializing in creating complex Shopify builds and migrations from Magento, custom stacks, and other platforms. They also deliver UI and UX design for high-traffic Shopify stores.
Since Avenue Z has a single team for PR, performance media, and Shopify development, it controls awareness, traffic, and on‑site conversion instead of splitting across multiple vendors.
| Location: | Miami, FL |
| Employees: | 50-100 |
| Industries: | Consumer Brands/DTC, Health and Wellness, AI and Tech, eCommerce |
| Specialties: | Shopify Migration Support, Shopify Design and Development, Conversion Rate Optimization (CRO), AI-Optimization (AEO), Performance Media |
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2. Domaine
Using their repeatable enterprise migration playbook, Domaine helps firms complete large-scale migrations to Shopify and Shopify Plus from SFCC and Magento. They also fully design and build high-traffic DTC and B2B Shopify Plus stores, with custom themes and complex information architecture.
Domaine is actually known as the “world’s largest” Shopify design and development practice with 300+ full‑time team members focused solely on Shopify. Plus, they’re in the Shopify Platinum Tier alongside Google and Oracle, which gives their clients access to Shopify Partner Solutions Engineers and 24/7 partner support.
| Location: | New York City, NY |
| Employees: | 200-500 |
| Industries: | Large Enterprise Retail, Fashion, Home, Multi-Market Brand |
| Specialties: | Enterprise Shopify Plus Migrations (SFCC, Custom), Multi-Region Rollouts, Headless Builds, Complex Architecture |
3. Absolute Web
Absolute Web delivers full end‑to‑end Shopify Plus programs. That includes strategy, UX, build, integrations, and growth for mid‑market and enterprise brands.
Plus, they’re recognized as a Shopify Platinum Partner, which means Shopify has verified the depth of their work, scale, and performance across DTC and B2B.
| Location: | Miami, FL |
| Employees: | 150-200 |
| Industries: | Fashion and Apparel, Footwear, Home Goods, CPG, Specialty Retail |
| Specialties: | Shopify Plus, Custom UX/UI, Complex ERP/PIM/CRM Integrations, Performance Optimization, Digital Marketing |
4. Anatta
Anatta is recognized by Shopify as a Platinum Partner, which puts it in the top 0.1% of agencies globally for enterprise Shopify work. They mainly focus on “middle‑market” DTC brands with enterprise‑level complexity but fast scaling expectations.
Their services also include full Shopify Plus builds and redesigns. That included high‑performance storefronts, subscription flows, and complex merchandising tailored to high‑volume DTC brands.
| Location: | Charleston, South Carolina |
| Employees: | 50-200 |
| Industries: | DTC Brands, Health and Beauty, Fashion, High-Growth Subscription Brands |
| Specialties: | Enterprise Shopify Plus, Headless Builds, CRO, UX Strategy, Multi-Channel eCommerce, Advanced Analytics |
5. CQL
CQL specializes in strategy‑led Shopify Plus implementations. This means they handle discovery, solution architecture, UX, build, QA, and launch for complex DTC and B2B brands.
They also help with large‑scale migrations to Shopify Plus from Salesforce Commerce Cloud, legacy platforms, and other enterprise stacks, with a focus on TCO and digital transformation.
| Location: | Grand Rapids, MI |
| Employees: | 50-200 |
| Industries: | Retail Chains, Apparel, Footwear, Lifestyle, B2B, and B2C Unified Commerce |
| Specialties: | Shopify Plus and POS, Unified Commerce, ERP/POS Integration, Large-Scale Migrations, Long-Term Managed Services |
6. Arctic Grey
Arctic Grey assists enterprise retailers with end‑to‑end Shopify Plus implementations. This means they cover strategy, UX/UI, custom theme development, and build for complex D2C, B2B, wholesale, and multi‑brand businesses.
They also facilitate seamless migrations from Salesforce Commerce Cloud, Magento, BigCommerce, and other legacy platforms to Shopify Plus. That includes migration of data, SEO, and integrations.
| Location: | Mountain View, California |
| Employees: | 50-200 |
| Industries: | Enterprise eCommerce Across Multiple Verticals (Retail, Fashion, Lifestyle) |
| Specialties: | Shopify Plus Enterprise Builds, Custom Themes, UX/UI, App Development, Large-Scale Store Launches |
7. Uncap
Uncap may be the right agency for enterprise retailers that need high‑performance B2B storefronts and portals. Their builds are ideal for large catalogs, contract pricing, and complex account structures.
This agency also helps retailers unify B2B, D2C, and retail channels on a single Shopify‑centric stack. This allows manufacturers and distributors to prepare for omnichannel marketing.
| Location: | Chicago, Illinois |
| Employees: | 10–50 |
| Industries: | B2B Manufacturing, Distribution, Wholesale |
| Specialties: | Shopify Plus for B2B Only, Ordering Portals, Tiered Pricing, ERP and Complex Wholesale Workflow Integrations, Fixed-Bid Architecture |
8. Praella
Praella created custom Shopify Plus builds and redesigns that directly tie to conversion rate and AOV lifts. They also handle migrations from Magento, BigCommerce, and WooCommerce to Shopify Plus, preserving subscriptions, data, and performance along the way.
Other than that, Praella specializes in lifecycle revenue optimization. That covers CRO experiments, funnel audits, retention flows, and A/B testing programs run continuously.
| Location: | Chicago, Illinois |
| Employees: | 50-200 |
| Industries: | DTC Retail, Subscription eCommerce, Media/Influencer Brands |
| Specialties: | UX/CRO, Shopify Plus Migrations at Scale, Performance Optimization, Data-Led Experimentation |
9. Third and Grove
Third and Grove is known for its managed Shopify services, such as ongoing optimization, maintenance, and incremental CRO across the shopping funnel. They also create full eCommerce builds including strategy, branded UX/UI, and custom themes.
Lastly, they facilitate migrations from Drupal, WordPress, and Contentful to Shopify Plus, taking all your data, SEO, and performance along.
| Location: | Boston, MA |
| Employees: | 10-50 |
| Industries: | Beauty, CPG, Consumer Brands, Lifestyle Retail |
| Specialties: | Shopify Plus Builds, Creative and Engineering, Managed Services, Continuous Optimization After Launch |
10. eHouse
eHouse is different from most Shopify Partner agencies in many ways. First, they have house managed iPaaS for unlimited custom ERP, OMS, and PIM integrations without any third-party dependency.
Plus, they’re essentially a combination of two original Shopify Plus agencies and a top integrator under one roof, which means you won’t need to work with multiple vendors.
| Location: | Charleston, South Carolina |
| Employees: | 50-200 |
| Industries: | Mid-Market and Enterprise Retail, Lifestyle, CPG, B2B |
| Specialties: | Shopify Plus, Integrations, UX, Strategy, Long-Term Optimization Retainers |
Partner With the Top Shopify Plus & Platinum Partner Agencies for Enterprise Retailers
Choosing a Shopify Plus or Platinum Partner is less about finding a vendor and more about securing long-term technical support for growth. The right agency should understand enterprise operations, anticipate scaling challenges, and build systems that will still work three to five years from now.
If you’re looking for an expert and reliable Shopify Plus partner, contact Avenue Z today.
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