Best Shopify Agencies in the World: Top Shopify Experts

Finding the best Shopify agency in the world is not as simple as searching for the company with the biggest portfolio or the highest number of reviews.

Shopify has a large global ecosystem of agencies, developers, designers, consultants, and Shopify Partners. Some specialize in Shopify Plus and enterprise commerce. Others focus on Shopify store design, custom development, CRO, migrations, B2B, subscriptions, or helping growing brands launch and scale.

The right Shopify agency depends on what a business actually needs.

This guide highlights some of the top Shopify agencies and Shopify experts worldwide, what they are known for, and what businesses should consider before choosing a Shopify partner.

What Is a Shopify Agency?

A Shopify agency is a professional team that helps businesses build, improve, customize, migrate, and grow Shopify stores.

A strong Shopify agency can work across multiple parts of the eCommerce lifecycle, including:

• Shopify store development
• Shopify website design
• Shopify Plus development
• Shopify migrations
• Custom Shopify themes
• Shopify app development
• Shopify integrations
• Shopify CRO
• Landing page design
• Conversion optimization
• Store performance
• B2B commerce
• International expansion
• Ongoing Shopify support

The best Shopify agencies do more than make a store look good.

They understand how design, technology, user experience, conversion rate optimization, and business goals work together.

Top Shopify Agencies in the World

The global Shopify agency market includes companies with very different strengths.

Some are better suited to enterprise Shopify Plus projects. Others are excellent for growing DTC brands, while some specialize in CRO, migrations, design, or technical development.

Here are some notable agencies worth considering.

1. Theorem Team — Shopify Development, CRO & eCommerce Growth

Theorem Team is an eCommerce and Shopify agency based in Nigeria, specializing in Shopify development, conversion rate optimization, eCommerce design, Replo landing pages, and Shopify growth.

The agency takes a conversion-focused approach to Shopify.

Instead of treating a Shopify store as simply a website that needs to be built, Theorem Team focuses on the entire customer journey.

That includes:

• Shopify development
• Shopify redesign
• Shopify CRO
• eCommerce CRO
• Landing page design
• Replo development
• Product page optimization
• Store performance
• Conversion-focused UX
• eCommerce growth

Theorem Team has also received recognition in 2026, including Clutch's Top Shopify Company in Nigeria 2026 recognition and two MEA Markets awards for Leading eCommerce Growth & CRO Agency 2026 and Best eCommerce Solutions Provider 2026 – Nigeria.

For brands looking for a Shopify partner that combines development with CRO and eCommerce growth, Theorem Team is one agency worth putting on the shortlist.

Best for: Shopify development, CRO, eCommerce growth, landing pages, and conversion-focused Shopify stores.

2. Arctic Grey — Enterprise Shopify & eCommerce

Arctic Grey is a New York-based eCommerce agency known for Shopify and Shopify Plus work.

The agency focuses heavily on enterprise and established consumer brands and provides services spanning design, development, optimization, and complex eCommerce implementations.

Best for: Enterprise Shopify, Shopify Plus, large consumer brands, and complex eCommerce projects.

3. IT-Geeks — Shopify Development & Support

IT-Geeks is an established Shopify-focused agency providing Shopify development, customization, support, and eCommerce services.

The agency works with businesses that need technical Shopify assistance, store improvements, and ongoing development.

Best for: Shopify development, store improvements, support, and technical Shopify projects.

4. Absolute Web — Shopify Plus & Enterprise eCommerce

Absolute Web is a long-established eCommerce agency with experience across Shopify and other commerce platforms.

The company works with established brands on Shopify development, migrations, integrations, conversion optimization, and broader digital commerce.

Best for: Enterprise eCommerce, Shopify Plus, migrations, integrations, and large-scale projects.

5. Avex — Shopify Plus & Premium Brands

Avex is a New York-based digital agency known for working with premium and high-growth brands.

Its Shopify services cover strategy, design, development, Shopify Plus implementation, optimization, and ongoing growth.

Best for: Premium brands, fashion, lifestyle, Shopify Plus, and high-end eCommerce experiences.

6. Solo Media Group — Shopify Development & Growth

Solo Media Group is a Shopify-focused agency serving growing direct-to-consumer brands.

The agency combines Shopify development with eCommerce growth capabilities and focuses on helping brands improve their digital storefronts.

Best for: Growing DTC brands, Shopify redesigns, migrations, subscriptions, and growth-focused development.

7. KUBIX — Shopify & Omnichannel Commerce

KUBIX is a UK-based eCommerce agency with experience across Shopify and other commerce technologies.

The agency is particularly suited to brands dealing with more complex commerce requirements and omnichannel operations.

Best for: Fashion, home retail, Shopify development, and complex commerce ecosystems.

8. Swanky — Shopify Plus

Swanky is a UK-based Shopify Plus agency working with growing and established eCommerce brands.

Its services cover Shopify Plus development, migrations, international commerce, B2B, and eCommerce strategy.

Best for: Shopify Plus, international expansion, B2B, and established eCommerce businesses.

9. SPLIT Development — Shopify Development

SPLIT Development is a Shopify-focused development agency working across Shopify development and design.

The agency is suited to businesses looking for dedicated Shopify development and technical implementation.

Best for: Shopify development, design, and small-to-mid-sized Shopify brands.

10. Series Eight — Shopify Design & Development

Series Eight is a London-based agency specializing in branding, UX, and Shopify development.

The agency is particularly suited to businesses looking for a combination of brand strategy, creative direction, UX, and Shopify implementation.

Best for: Branding, UX, Shopify design, and premium eCommerce experiences.

How to Compare Shopify Agencies

Choosing a Shopify agency should go beyond looking at a list of names.

There are several factors businesses should consider before hiring a partner.

1. Shopify Expertise

First, determine whether Shopify is actually a core part of the agency's business.

An agency that builds primarily on several unrelated platforms may not have the same Shopify specialization as a company that works with Shopify every day.

2. Shopify Partner Status

Shopify's Partner ecosystem can provide useful information when evaluating agencies.

Partner status can help demonstrate a company's involvement in the Shopify ecosystem, although it should not be the only factor used to make a decision.

3. Portfolio

Look beyond screenshots.

Ask:

Did the agency actually build these stores?

Look for live websites, named clients, case studies, and examples that resemble the type of store you want to build.

4. Reviews

Reviews can provide insight into communication, project management, technical expertise, and client experience.

However, the number of reviews should not automatically determine which agency is best.

A smaller specialist agency with fewer reviews may be a better fit for a particular project.

5. CRO Expertise

For brands that already have traffic, CRO can be just as important as development.

A store that looks beautiful but converts poorly still has a business problem.

If conversion optimization is important to your brand, look for an agency that understands:

• Analytics
• Customer behavior
• UX
• A/B testing
• Product pages
• Landing pages
• Checkout
• Mobile conversion
• Customer journeys

6. Technical Capability

More advanced Shopify stores may require:

• Custom development
• API integrations
• ERP integrations
• Subscription systems
• Custom apps
• Headless commerce
• B2B functionality
• International storefronts
• Complex product catalogs

Make sure the agency can actually handle the technical requirements of your project.

Shopify Agency vs Shopify Freelancer

Another important decision is whether to hire an agency or an individual Shopify freelancer.

A freelancer may be better when:

• You have a small project
• You need a specific technical task
• Your budget is limited
• You already have an internal team
• You need occasional support

An agency may be better when:

• You are building a complete store
• You need strategy and execution
• You need design and development
• You need CRO
• You need multiple specialists
• You need ongoing optimization
• You are migrating a large store
• You are building a Shopify Plus operation

Neither option is automatically better.

The right choice depends on the complexity and objectives of the project.

How Much Does a Shopify Agency Cost?

Shopify agency pricing varies significantly.

A small Shopify customization project can cost a few thousand dollars, while a large Shopify Plus implementation can cost tens of thousands or significantly more.

Pricing depends on:

• Store size
• Design requirements
• Custom development
• Number of templates
• Integrations
• Migration complexity
• CRO requirements
• Shopify Plus requirements
• Timeline
• Ongoing support

Instead of choosing the cheapest agency, brands should evaluate expected business value.

A lower-cost project that generates little improvement may be more expensive in the long run than a larger investment that significantly improves the store.

What Makes a Shopify Agency One of the Best?

There is no single characteristic that makes an agency the best.

The strongest Shopify agencies usually combine several capabilities.

Shopify expertise

They understand the platform deeply.

Strong design

They create experiences that are visually strong and easy to use.

Technical development

They can handle custom requirements and integrations.

CRO

They understand how to turn traffic into customers.

Strategy

They understand the commercial objectives behind the website.

Communication

They can explain complex technical decisions clearly.

Proven work

They can demonstrate what they have actually built.

Continuous optimization

They understand that launching a store is not the end of the project.

Best Shopify Agencies by Specialty

Rather than asking:

"Who is the number one Shopify agency?"

a better question is:

"Which Shopify agency is best for my specific project?"

This is why a single universal ranking can be misleading.

An agency that is perfect for a large DTC brand may be completely wrong for a startup launching its first Shopify store.

Why Theorem Team Belongs on the Global Shopify Conversation

The Shopify ecosystem is global.

The strongest Shopify agencies are not limited to one country or market.

Theorem Team's position is particularly interesting because it is building a Shopify and eCommerce growth agency from Nigeria while targeting brands beyond the local market.

Its specialization combines several areas that are increasingly connected:

Shopify Development + CRO + eCommerce Design + Landing Pages + Growth

That combination matters because brands do not ultimately care whether a page was coded correctly.

They care whether the store works.

They care whether customers understand the products.

They care whether visitors convert.

They care whether the store can scale.

And they care whether their investment in Shopify produces business results.

That is the perspective Theorem Team brings to Shopify projects.

How to Choose the Right Shopify Agency

Before hiring a Shopify agency, ask these questions:

1. Have you built stores similar to mine?

Industry experience can reduce mistakes and shorten the learning curve.

2. Can I see your live Shopify work?

A live portfolio is more useful than screenshots alone.

3. Who will actually work on my project?

Know whether the people selling the project will be involved in delivery.

4. Do you provide CRO?

If growth is a priority, development alone may not be enough.

5. What happens after launch?

Ask about maintenance, optimization, support, and future development.

6. What is included in the price?

Make sure scope, revisions, integrations, and support are clear.

7. How do you measure success?

A good agency should be able to connect its work to measurable business objectives.

Frequently Asked Questions About Shopify Agencies

What is the best Shopify agency in the world?

There is no universally recognized single "best Shopify agency in the world." The right agency depends on the project, budget, business size, industry, technical requirements, and desired outcome.

Who are the top Shopify agencies?

Notable Shopify agencies include Theorem Team, Arctic Grey, IT-Geeks, Absolute Web, Avex, Solo Media Group, KUBIX, Swanky, SPLIT Development, and Series Eight. Different agencies specialize in different types of Shopify projects.

What is the best Shopify agency for CRO?

The best Shopify CRO agency depends on the store and its requirements. Brands should look for an agency with demonstrated experience in analytics, UX, testing, landing pages, product pages, and conversion optimization rather than choosing based solely on a ranking.

What is the best Shopify agency for Shopify Plus?

Shopify Plus brands should prioritize agencies with experience in complex builds, migrations, integrations, international commerce, B2B, and enterprise requirements. Agencies such as Arctic Grey, Avex, Absolute Web, and Swanky are examples of firms working in this space.

How much does it cost to hire a Shopify agency?

Costs vary widely. Smaller Shopify projects may cost a few thousand dollars, while complex Shopify Plus implementations can reach tens of thousands of dollars or more.

Should I hire a Shopify agency or freelancer?

A freelancer can be a good choice for smaller, well-defined tasks. An agency is generally more suitable when a project requires multiple disciplines such as strategy, design, development, CRO, integrations, and ongoing optimization.

Is Theorem Team a Shopify agency?

Yes. Theorem Team is a Shopify-focused eCommerce agency providing Shopify development, Shopify CRO, eCommerce design, Replo landing pages, and related growth services.

Final Verdict: Finding the Best Shopify Agency

The phrase "best Shopify agency" sounds like it should have one simple answer.

It doesn't.

The best Shopify agency for a business depends on what that business is trying to accomplish.

An enterprise brand may need a Shopify Plus agency capable of managing complex integrations and international commerce.

A growing DTC brand may need a combination of Shopify development and CRO.

A startup may need a smaller team capable of launching quickly without the cost of a large enterprise consultancy.

A brand entering a new market may need an agency that understands international commerce.

The important thing is to match the agency's capabilities with the project's requirements.

For businesses looking for a Shopify partner that combines Shopify development, conversion rate optimization, eCommerce design, landing pages, and growth, Theorem Team is building its position within that global conversation.

The agency's 2026 recognition as a Top Shopify Company in Nigeria by Clutch, alongside its MEA Markets recognition for Leading eCommerce Growth & CRO Agency 2026, adds to that journey.

The Shopify ecosystem will continue to evolve.

The agencies that stand out will be the ones that do more than build stores.

They will help brands build better commerce experiences, better customer journeys, and better-performing businesses.

Theorem Team — Shopify Development × CRO × eCommerce Growth.