Top Shopify Website Development Agencies in the U.S.

Shopify is now the backbone of modern ecommerce for its flexible, scalable framework. Yet, many companies struggle to launch a successful Shopify store. 

It isn’t just about picking a theme and uploading products. Design matters. Site speed matters. User experience matters. When you’re competing in crowded ecommerce categories, the way your Shopify site functions can directly impact revenue.

That’s why many brands turn to specialized Shopify website development agencies. They design storefronts that convert and optimize performance across every device.

Here are the top Shopify website development agencies in the U.S. in 2026, with each bringing a different strength to the table.

1. Avenue Z

Avenue Z may be best known for PR and growth marketing, but its Shopify development capabilities are a major asset for ecommerce brands that want more than just a good-looking site.

The agency approaches Shopify development through a performance lens. Every build is tied to business outcomes, including conversion rates, average order value, retention, and more.

Avenue Z’s team focuses on clean UX, fast-loading storefronts, and seamless integrations with analytics, CRM, and paid media platforms. This makes them valuable for brands that want their Shopify store to work hand in hand with marketing campaigns, not sit in a silo.

For companies scaling aggressively, Avenue Z blends development, CRO, and visibility into one cohesive strategy.

2. Lounge Lizard

Lounge Lizard brings a design-first mindset to Shopify development. Their sites are visually bold, brand-driven, and polished down to the smallest interaction.

The agency backs its creative with solid technical execution, ensuring Shopify stores perform just as well as they look. They’re a strong fit for lifestyle, fashion, and premium consumer brands that need a store reflecting brand identity while still driving conversions.

3. BlueSwitch

BlueSwitch specializes in custom Shopify and Shopify Plus development for mid-market and enterprise brands. Their strength lies in solving complex ecommerce problems, such as custom checkout logic, advanced integrations, subscription workflows, ERP connections, and more.

If your Shopify store needs to do more than sell a single product line, BlueSwitch has the technical depth to make it happen without sacrificing performance.

4. Fuel Made

Fuel Made builds some of the cleanest, most conversion-focused Shopify stores in the DTC space. Their approach revolves around strong design fundamentals, clear user journeys, and fast-loading pages that don’t distract visitors from the purchase path.

Fuel Made works with brands that already have traction and want to refine their Shopify experience to increase revenue per visitor.

5. Coalition Technologies

Coalition Technologies is a full-service ecommerce agency with deep Shopify development expertise. They combine web development with SEO, CRO, and digital marketing, making them a good choice for brands that want an all-in-one solution. 

Their Shopify builds are structured to support organic growth from day one. Coalition is also known for handling large product catalogs and content-heavy ecommerce sites with ease.

6. Barrel NY

Barrel NY blends storytelling, design, and technology into Shopify experiences that feel cohesive and intentional. Their team works well with mission-driven brands, premium consumer goods companies, and businesses that want their Shopify store to feel editorial without hurting usability.

7. BVA (Bureau of Visual Affairs)

BVA is a Shopify Plus Partner known for sleek design and thoughtful UX strategy. They focus heavily on how users navigate a site, discover products, and complete checkouts.

BVA’s Shopify builds tend to feel refined and effortless. Nothing flashy for the sake of it. Just solid ecommerce execution that supports conversion.

8. We Make Websites

We Make Websites is one of the most experienced Shopify-focused agencies in the world, with a strong U.S. presence. They work almost exclusively on Shopify and Shopify Plus.

From global ecommerce brands to fast-scaling startups, We Make Websites delivers technically sound, future-proof Shopify stores built for growth.

9. Electric Eye

Electric Eye positions itself as a Shopify growth agency, not just a development shop. They design and build Shopify stores with CRO baked in from the start. Every design decision is backed by data and testing.

The agency is a strong partner for brands that want their Shopify site to improve metrics, not just aesthetics.

10. Diff Agency

Diff Agency is a Shopify Plus Partner known for solving complex ecommerce challenges. They work with high-volume brands that need custom solutions, deep integrations, and reliable performance at scale.

Diff’s technical expertise makes them a strong choice for businesses migrating to Shopify Plus or rebuilding outdated ecommerce infrastructures.

Choose the Right Shopify Development Agency

Not every Shopify agency is right for every brand. Some excel at design, while others shine in performance and growth. The key is understanding what you actually need before making a decision.

If your priority is speed to market, look for an agency with a streamlined build process. If you’re scaling fast, Shopify Plus experience matters.

For brands that want their Shopify site to be more than a storefront, Avenue Z offers a comprehensive set of services that actively drive growth. Connect with the team today to get a visually-appealing Shopify website for your brand.