Best Shopify Plus Agencies

5 Best Shopify Plus Agencies in 2026

A product drop sells out in minutes. A migration moves thousands of SKUs without losing search rankings. A launch day brings more traffic in an hour than a store used to see in a month. These are the moments when a Shopify Plus build either holds up or doesn’t, and they’re why the agency behind it matters as much as the platform.

Shopify Plus gives high-volume brands enterprise features, but most of the value comes from how the store is designed, built, integrated and maintained. This list compares five Shopify Plus agencies on their build approach, notable work and best fit, so you can shortlist the right partner for your next launch or replatform.

What a Shopify Plus Agency Does

A Shopify Plus agency designs, develops and maintains stores on Shopify’s enterprise plan. The work usually covers:

• Custom storefront design and development, from bespoke themes to fully custom-coded builds.
• Integrations with ERPs, inventory, subscription and fulfillment systems.
• Migrations from platforms such as Magento, BigCommerce or Salesforce Commerce Cloud, with SEO preserved.
• Launch engineering for product drops, limited releases and high-traffic events.
• Ongoing optimization, including conversion work, apps and maintenance.

The best agency for you depends on which of those you need most, and how closely the agency’s past work matches your brand.

The 5 Best Shopify Plus Agencies

1. Weberous

Overview: Weberous is a Los Angeles design and development agency, a Shopify Plus Partner and one of the very first Shopify Experts. It has built 150+ Shopify stores, 50+ of them on Shopify Plus, and every build is custom-coded rather than based on a template or theme.

Notable work: Launched Jeffree Star Cosmetics and Melt Cosmetics from zero, built SMEG’s US direct-to-consumer store with a SAP integration, and engineered the sneaker industry’s first custom release and raffle platform for streetwear retailer FEATURE. It also migrated Red Raider Outfitter from BigCommerce to Shopify Plus with rankings held.

Best for: Brands that want a fully custom Shopify Plus build and launch-day engineering, on month-to-month terms with no long-term contract.

2. We Make Websites

Overview: We Make Websites is a digital commerce agency with offices in London and New York, founded in 2009. It has delivered 150+ Shopify Plus stores, and built 300+ Shopify websites before Shopify Plus existed.

Notable work: Relaunched Hasbro’s direct-to-consumer store as a custom Shopify Plus build, with personalized templates for each media type and bespoke content.

Best for: International brands that want a Shopify Plus partner with teams in both Europe and North America.

3. Swanky

Overview: Swanky is a UK-based, full-service Shopify Plus agency focused on enterprise-level builds and data-driven ecommerce, with a team of designers, developers, strategists and CRO specialists.

Notable work: Launched a standalone direct-to-consumer store for Lintbells’ YuMOVE pet supplements brand on Shopify Plus, customizing the Recharge subscription solution for the brand’s needs.

Best for: UK and European brands moving enterprise operations onto Shopify Plus, especially subscription businesses.

4. Fuel Made

Overview: Fuel Made is a Shopify Plus tier partner that has worked with Shopify since 2011, focused on improving conversion rate, average order value and lifetime value for ecommerce brands.

Notable work: Delivered a full redesign and Shopify build for Pela, covering growth strategy, CRO, UX and visual design, copywriting and custom theme development.

Best for: Brands that want a build partner with a strong conversion and growth focus.

5. Eastside Co

Overview: Eastside Co is a UK Shopify and Shopify Plus agency that holds Shopify Platinum Partner status, a recognition for agencies with extensive Shopify Plus experience.

Notable work: Offers design, development, migration and marketing support for Shopify and Shopify Plus stores under one agency.

Best for: Brands that want design, development and marketing from a single Shopify partner.

Quick Comparison

How to Choose a Shopify Plus Agency

Match the build approach to your brand. Some agencies customize themes; others write every storefront from scratch. A fully custom build gives you more control over design and performance, while a theme-based build can launch faster.

Look for work like yours. Ask for case studies from brands with a similar catalog size, traffic pattern or business model, whether that’s limited product drops, subscriptions or large wholesale catalogs.

Ask how they handle migrations. If you’re moving from BigCommerce, Magento or another platform, ask how the agency protects SEO rankings, redirects old URLs and moves product data.

Check integration experience. Enterprise stores often connect to ERP, inventory and fulfillment systems. Ask which integrations the agency has built before and how they were tested.

Plan for what comes after launch. Ongoing conversion work, app management and maintenance shape long-term results. Some brands keep CRO with their build agency, while others work with specialist Shopify CRO agencies once the store is live.

Read the contract terms. Check whether the agency works on long-term retainers or month-to-month terms, and what’s included in each phase.

Conclusion

The right Shopify Plus agency depends on what your store needs most: a fully custom build, a smooth migration, launch-day resilience or ongoing growth work. Weberous stands out for custom-coded builds and high-demand launches, We Make Websites and Eastside Co for broad Shopify Plus experience, Swanky for enterprise and subscription commerce, and Fuel Made for conversion-focused growth. Shortlist two or three, ask for relevant case studies, and compare how each would approach your next launch.

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