Top Ecommerce SEO Companies in 2026

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Choosing an agency requires thorough research. It’s essential to find a company with relevant eCommerce experience and the ability to improve both rankings and conversions. We’ve selected 10 agencies for ecommerce brands and online retailers looking for the right SEO partner.

The Top Ecommerce SEO Companies

For easier comparison, we’ve gathered all the best ecommerce SEO companies into one table. You can quickly see what each agency does best and how it’s rated:

Use this comparison as a starting point, then review each agency’s experience, the quality of eCommerce service options, and case studies in more detail to find the best match for your ecommerce goals.

After reviewing more than a hundred of the best ecommerce SEO companies using the criteria outlined above, we narrowed the list down to the top options. Here are the firms that made it in and why:

1. SeoProfy

SeoProfy is a leading  ecommerce SEO agency with 13 years of experience working with businesses across 45 countries and 14 languages. The company supports brands in competitive markets and combines international reach with experience across ecommerce, enterprise, SaaS, B2B, law, healthcare, automotive, and real estate. SeoProfy also has a 4.9-star Clutch rating based on 93 reviews.

Its team includes SEO analysts, technical specialists, link builders, copywriters, and editors, allowing SeoProfy to manage complex projects in-house. Its eCommerce SEO service uses a data-driven approach and follows the latest trends. Moreover, the team relies on proprietary tools such as SearchAnalytics.ai and LinkChecker.pro.

• Services: Search engine optimization, AI SEO, local SEO, SEO audit, consulting, link building, site recovery, and content writing.
• Cases: Our best-rated SEO agency for ecommerce projects boasts a wide range of case studies, including impressive achievements such as a +280% increase in organic traffic for a jewelry brand.
• Best for: Ecommerce brands looking for a data-driven SEO partner with strong technical, content, and link building expertise.

2. Victorious

Victorious is a top-rated SEO agency for ecommerce founded in 2013. The company works with ecommerce, enterprise, SaaS, finance, insurance, higher education, legal, healthcare, travel, and AI businesses. It holds a 4.8-star rating on Clutch based on 118 reviews and has received awards, including Best Large Agency of the Year from the US Search Awards.

Watch out: Its SEO-focused model may be less suitable for businesses looking to combine search optimization with broader paid media or web development services under one provider.

• Services: SEO, AEO, keyword research, content writing, and website maintenance.
• Cases: Lychee the Label achieved a 1,122% increase in page-one keywords and 214% growth in monthly revenue.
• Best for: Ecommerce brands that want a specialized SEO-only agency rather than a broader digital marketing partner.

3. Epsilon

Epsilon is headquartered in Irving, Texas, with more than 40 offices globally and 8,000+ specialists. Part of Publicis Groupe since 2019, it works across retail, travel, healthcare, automotive, finance, media, and consumer brands. Its proprietary marketing platform supports audience research, targeting, and large-scale customer engagement.

Watch out: Epsilon is primarily positioned for large organizations, while its high pricing and limited number of Clutch reviews may make it harder for smaller ecommerce businesses to evaluate or justify.

• Services: Digital marketing, content, web development and design, AI and machine learning, and marketing automation.
• Cases: Work with McDonald’s produced a 49% increase in new customers and a 44% increase in existing customers.
• Best for: Large ecommerce and enterprise brands that need audience data, personalization, and marketing technology at scale.

4. WebFX

WebFX is an ecommerce SEO firm headquartered in Harrisburg, Pennsylvania, with 28+ years of experience and 750+ marketing specialists. The agency has a 4.9/5 Clutch rating with 400+ reviews and supports ecommerce brands across SEO, paid media, development, and conversion optimization.

Watch out: The agency’s size is reflected in its pricing. Ecommerce packages start at about $3,000 per month, and you should plan for a commitment of several months, which can be a stretch for a small store.

• Services: SEO, technical SEO, on-page SEO, content writing, link building, CRO, web design and development, PPC, analytics, and reporting.
• Cases: WebFX helped S. Clyde Weaver modernize its ecommerce experience and expand its online reach. After a full website overhaul that included SEO and UX improvements, the brand saw a 136% increase in gross ecommerce sales year-over-year.
• Best for: Ecommerce brands that want SEO supported by a large full-service team and centralized performance reporting.

5. OuterBox

OuterBox is an Ohio-based digital marketing agency founded in 2004 with 250+ in-house specialists and a strong ecommerce focus. The company has a 5.0-star Clutch rating based on 87 reviews and is also a Google Premier Partner.

For ecommerce projects, OuterBox combines search optimization with paid media, conversion optimization, and website development, making it relevant for stores with large catalogs and revenue-focused goals.

Watch out: Its positioning toward larger ecommerce accounts may be less aligned with smaller stores seeking a lightweight or narrowly scoped SEO engagement.

• Services: SEO, technical SEO, PPC, conversion rate optimization, web design and development, email marketing, and analytics.
• Cases: Working with OuterBox (formerly Trinity), FourTemperaments.com doubled conversions, increased website traffic by 160%, and raised its add-to-cart rate by 218%.
• Best for: Mid-sized and enterprise ecommerce businesses that want SEO, CRO, paid media, and site improvements managed together.

6. Inflow

Inflow has worked with ecommerce businesses since 2007 and operates with a team of up to 50 specialists. Its SEO engagements focus on technical fixes, category structure, product optimization, and other changes tied directly to organic revenue. The agency has a 4.9/5 Clutch rating based on 12 reviews.

Its smaller-team model can also reduce handoffs between strategy and execution.

Watch out: The relatively limited number of Clutch reviews provides a smaller pool of third-party feedback than some larger agencies on this list.

• Services: SEO, technical SEO, conversion optimization, PPC, paid social, content strategy, analytics, and digital strategy.
• Cases: For SIMMS Fishing Products, Inflow delivered a 126% increase in organic traffic. In another ecommerce engagement, Quality Woven Labels achieved a 118% increase in organic revenue after focused SEO improvements.
• Best for: Ecommerce brands that prefer a smaller, senior-led team focused closely on organic revenue and conversion performance.

7. HawkSEM

HawkSEM is a Los Angeles-based performance marketing agency founded in 2006 with 50+ specialists across SEO, paid media, and conversion optimization. For ecommerce brands, its work focuses on product and category pages, search intent, conversion paths, and performance measurement. The company holds a 4.9/5 rating on Clutch based on 33 reviews.

Watch-out: Its performance-marketing approach may be broader than necessary for brands looking only for a standalone organic SEO engagement.

• Services: SEO, technical SEO, on-page optimization, paid search, CRO, analytics, and reporting.
• Cases: For Nike, HawkSEM helped double ecommerce conversion rates by restructuring search-driven landing flows and purchase paths. For LegalZoom, the team increased lead volume by 3x through search-focused optimization tied to high-intent queries.
• Best for: Ecommerce businesses that want SEO closely connected with paid search, conversion optimization, and high-intent customer journeys.

8. Coalition Technologies

Coalition Technologies is a Los Angeles-based digital marketing agency founded in 2009. The company has 50+ specialists and works with ecommerce, local, national, and enterprise businesses. It holds a 4.8-star Clutch rating based on 158 verified reviews.

Its main advantage for ecommerce businesses is the ability to combine SEO with in-house design and development, allowing technical changes, site structure, content, and conversion improvements to move forward together.

Watch-out: Businesses looking for a narrowly specialized SEO consultancy may find its full-service model broader than they need.

• Services: SEO, enterprise SEO, local SEO, PPC, web design, and web development.
• Cases: For Sugatsune America, Coalition Technologies migrated multiple legacy websites to a unified ecommerce platform, rebuilt the product architecture, and implemented technical and content SEO, resulting in an 188.2% quarter-over-quarter increase in organic revenue.
• Best for: Ecommerce companies that want the same agency to handle SEO, development, design, and paid media.

9. 1Digital Agency

Founded in 2012, 1Digital Agency is based in Hollywood, Florida, and has more than 50 specialists. The agency focuses heavily on ecommerce and frequently combines SEO, paid media, design, and development within the same engagement.

Watch-out: Client feedback differs notably by platform: the agency has a 4.1/5 rating on Clutch, while its Google rating is considerably higher at 4.9/5, so prospective clients may want to review individual feedback carefully.

• Services: SEO, technical SEO, PPC management, web design, ecommerce development.
• Cases: In a competitive niche ecommerce project, SEO work led to a 44% month-over-month increase in total revenue.
• Best for: Ecommerce brands using Shopify, BigCommerce, or Magento that want SEO and development expertise from one provider.

10. Thrive Internet Marketing Agency

Thrive Internet Marketing Agency is a full-service U.S. agency founded in 2005 and headquartered in Arlington, Texas. The company works with businesses of different sizes and emphasizes accessible pricing and long-term client relationships. Thrive reports a 95% client retention rate, has appeared on the Inc. 5000 for seven consecutive years, and holds a 4.6/5 Clutch rating based on 100+ reviews.

Watch-out: Its broad service offering may be less suitable for brands looking for a highly specialized SEO-only partner.

• Services: SEO, local SEO, PPC management, web design, web development, and conversion optimization.
• Cases: For Holyland Marketplace, Thrive’s campaign delivered a 558% increase in purchases, 280% boost in conversion rate, 50% increase in return on ad spend (ROAS), and 47% reduction in cost per acquisition (CPA) over the course of the engagement.
• Best for: Ecommerce businesses looking for a full-service digital marketing partner with SEO, PPC, development, and conversion support.

How to Choose the Right Ecommerce SEO Agency

Choosing the best ecommerce SEO company is a big decision, even when you already have a strong shortlist built around solid criteria. Here’s what’s worth paying attention to when picking the right agency for your specific ecommerce setup:

• Case studies from your exact niche: Look for case studies that show real work in your product category. Similar niches come with similar pricing pressure, seasonality, and search intent, and past results here do matter.
• Clear and transparent SEO methods: Healthy SEO grows steadily instead of fluctuating between updates. Teams that work using ethical practices save you from long recovery cycles and painful rollbacks later on.
• Hands-on experience with complex ecommerce sites: Ask how the agency has handled large catalogs with filters and product variations before. Teams with this experience can make structural changes without risking indexation, rankings, or revenue during rollout.
• Communication that fits your working pace: Clear updates and quick responses make collaboration easier and keep projects moving. Ideally, the team should respond within the same business day or the next one.
• Understanding how SEO ties to revenue: Pay attention to which pages the company wants to grow first. Teams that understand ecommerce usually prioritize categories and products with strong sales potential and healthy margins.

There are also a few red flags worth watching for:

• Guaranteed top rankings: Fixed ranking promises ignore the fact that SEO outcomes depend on competition, demand, and execution quality.
• Vague scope and shifting deliverables: If pricing, responsibilities, and deliverables are unclear upfront or keep changing, unexpected costs and confusion are more likely.
• Overconfidence without proper discovery: Experienced agencies ask detailed questions about your site, market, and goals before making strong claims about expected outcomes.

The top ecommerce SEO agency should combine proven experience, transparent processes, and a clear understanding of how organic growth supports your broader revenue goals.

Frequently Asked Questions

How much does ecommerce SEO cost?

Ecommerce SEO typically costs anywhere from a few thousand dollars per month to significantly more for large or complex stores.

Pricing of SEO services for ecommerce websites depends on catalog size, technical complexity, competition, target markets, and whether the engagement includes content, link building, development, or CRO; current agency pricing also commonly uses monthly retainers or project-based fees.

How do I choose the right ecommerce SEO agency?

Choose an ecommerce SEO agency with relevant platform experience, comparable case studies, transparent reporting, and a clear connection between SEO work and commercial goals.

It’s also worth checking who will actually work on your account, how success is measured, and whether the agency understands your catalog, technology stack, and market.

Which ecommerce platform is best for SEO — Shopify, BigCommerce, Magento, or WooCommerce?

There is no single best ecommerce platform for SEO; the right choice depends on your catalog, technical resources, and need for customization.

Shopify offers lower technical overhead, WooCommerce gives teams greater control, BigCommerce provides strong built-in ecommerce functionality, and Magento/Adobe Commerce is better suited to highly complex enterprise setups.

Is SEO still worth it in 2026 with AI Overviews and AI shopping search growing?

Yes, SEO is still worth investing in because traditional search and AI-driven discovery both depend on crawlable, useful, well-structured web content.

Google reports continued growth in AI-powered Search, while ecommerce SEO now increasingly includes structured product data, strong technical foundations, and content that can be surfaced by both search engines and AI shopping systems.

What’s the difference between ecommerce SEO and regular small-business SEO?

Ecommerce SEO focuses more heavily on product and category pages, large catalogs, faceted navigation, duplicate URLs, structured product data, and conversion-focused search intent.

Regular small-business SEO usually involves fewer pages and may place more emphasis on service pages, informational content, and local visibility rather than managing thousands of products, variants, and filters.

Wrapping Up

Choosing the best ecommerce SEO agency depends on where your business is right now and what you actually need to solve first. If you’re starting from scratch or planning a full rebuild, it makes sense to work with agencies that offer full-cycle web development alongside marketing, such as WebFX or Epsilon. This approach helps lay a solid technical foundation before scaling visibility.

If your store is already live and the main challenge is organic growth, category performance, or SEO-friendly product pages, agencies that specialize specifically in SEO tend to be a better fit. Teams with a deep SEO focus usually move faster on optimization, understand ecommerce search dynamics better, and avoid unnecessary complexity.

If you’re unsure which direction makes sense for your case, that’s normal. SEO decisions are rarely one-size-fits-all. You can reach out to SeoProfy for a free consultation to talk through your goals and growth constraints, and get a clear view of what approach fits your business today.

Author

Hanna Zhytnik

As a Content writer at SeoProfy, Hanna Zhytnik creates SEO content grounded in research, data, and ongoing hypothesis testing. With more than 5 years of experience across B2B, SaaS, and ecommerce, she brings both breadth of knowledge and a sharp focus on modern search. Her strength lies in turning complex experiments into clear explanations, bridging the gap between deep SEO practice and accessible content.