Top E-Commerce SEO Companies in 2026 - Expert Choice

Ecommerce SEO is judged by revenue, not raw traffic. This ranking evaluates the agencies that turn organic search into transactions, higher ROAS, and store revenue by winning rankings for product and category pages. Loopex Digital leads it, with a 5.0 Clutch rating across 80 reviews and case studies tied to sales and revenue rather than sessions alone.

Loopex Digital analyzed more than 30 ecommerce SEO agencies gathered through Google searches, directories, and listicles, filtered out sponsored placements and ratings below 4.9, then ranked 9 on six weighted criteria: verifiable ecommerce results, independent reviews, ecommerce depth, notable clients, GEO and AI-search capability, and transparency. Every pick is independent, with no paid placements.

The ranking at a glance

The table below compares all 9 agencies so you can shortlist quickly before the full write-ups.

Clutch and pricing figures reflect each agency’s public profile at the time of writing. Most engagements are billed as monthly retainers.

How we ranked these agencies

Where the shortlist came from: we screened more than 30 ecommerce SEO providers and kept agencies that offer a dedicated ecommerce SEO page confirming tailored strategies for online stores, hold a 4.9 or higher Clutch rating, publish verifiable ecommerce case studies with named stores, and run real ecommerce work rather than SEO as an add-on.

How we scored them: each shortlisted agency was scored on six criteria, weighted to sum to 100%, with every criterion tied to evidence a buyer can verify rather than self-reported awards.

Verifiable ecommerce results 25% · revenue, ROAS, and conversion outcomes, not just traffic

Independent reviews 20% · Clutch and G2 rating weighted by review volume

Ecommerce-specific depth 15% · product and category pages, platform expertise, Product schema

Notable ecommerce clients 15% · named, recognizable online stores

GEO / AI-search capability 15% · measured, not just claimed

Transparency & terms 10% · clear pricing, reporting, senior involvement

Total: 100%

1. Loopex Digital · Best for measured ecommerce revenue growth

Loopex Digital is an ecommerce SEO agency built to help online stores grow organic traffic, increase sales, and drive revenue rather than chase vanity metrics. It specializes in technical SEO, keyword research, on-page optimization, and link building, focusing on high-intent product and category terms. Every engagement starts with a comprehensive site audit that surfaces crawl issues, content gaps, and user experience barriers. With a 5.0 Clutch rating across 80 reviews, it holds the largest verified review base on this list.

Its team works across Shopify, Magento, WooCommerce, Squarespace, BigCommerce, and Wix, tailoring strategy to each store's catalog and competitive landscape. For WildBird, a store specializing in baby carriers, Loopex ran a technical audit, fixed crawl issues, optimized key product collections for high-value keywords, and secured 243 high-quality backlinks. Organic traffic climbed from 8,161 to 61,111 and top 10 keyword rankings rose 677%. Recognizable ecommerce clients include Lilac St., Public Desire, Luxe Cosmetics, and WildBird.

Case studies: WildBird: organic traffic from 8,161 to 61,111, top 10 keyword rankings up 677%, and 243 backlinks secured. Full write-ups are on the case studies page.

Strengths: The largest Clutch base here (5.0 across 80 reviews), revenue-focused reporting, a dedicated ecommerce SEO practice, and broad platform coverage.

Think twice if: Ecommerce is 40% of its book rather than an exclusive focus, and at 10 to 49 experts it is a mid-sized team, so stores wanting a 100% ecommerce-only shop may look at 180 Marketing or Novos.

Clutch ★5.0 (80) · $25 to $49/hr · 10-49 team

2. OuterBox · Best for platform-tailored ecommerce SEO

OuterBox is a digital marketing company that designs and develops ecommerce websites with a results-driven approach, and it tailors SEO strategy to the store's platform type. Founded in 2004, it has served over 500 clients and was ranked the #1 ecommerce SEO agency in the world by NeilPatel.com. It holds a 5.0 Clutch rating across 52 reviews and won Best SEO Services of 2023 from Forbes Advisor.

It works across WordPress, Shopify, Magento, BigCommerce, WooCommerce, Volusion, and NopCommerce, pairing SEO strategists with in-house developers, designers, and copywriters. For Mount-It!, a store selling TV and computer mounts, OuterBox optimized the automated Welcome Series without rebuilding it, producing a 3X increase in revenue. Monthly orders rose by 77, average monthly revenue climbed up to 141%, and revenue per recipient reached $3.40. Recognizable clients include Corsa Performance, FishUSA, and Urotuning.

Case studies: Mount-It! (Shopify): 3X Welcome Series revenue, monthly orders up 77, average monthly revenue up to 141%, and revenue per recipient up to $3.40.

Strengths: Two decades in ecommerce, platform-specific strategy, an in-house build team, and transparent interactive monthly reports.

Think twice if: Ecommerce is 40% of its work and SEO sits alongside PPC, web design, and development, so stores wanting an SEO-only specialist may prefer a pure-play shop. Its hourly rate is not published in the source.

Clutch ★5.0 (52) · 190-250 team

3. Victorious · Best for content-led organic growth

Victorious is a 100% SEO agency that builds content-focused organic growth programs, and it lets prospects examine its methodology and processes before signing. Founded in 2013 and based in San Francisco, it holds a 4.9 Clutch rating across 90 reviews, the deepest review base on this list. Its work has earned SEO Agency of the Year from the US Agency Awards and Global SEO Agency of the Year from Search Engine Land.

Its services span ecommerce SEO, link building, on-site optimization, local SEO, content development, and mobile optimization across WordPress, Shopify, BigCommerce, Magento, Drupal, and WooCommerce. For the Save the Music Foundation, Victorious developed a content-focused SEO strategy to build sustained traffic, ranked the site #1 for its top-priority keyword, and increased organic traffic by 197% year over year. Recognizable clients include Bitly and Felix Gray.

Case studies: Save the Music (WordPress): ranked #1 for its top-priority keyword and grew organic traffic 197% year over year.

Strengths: A 100% SEO focus, the largest review base here (90), award recognition, and upfront methodology transparency.

Think twice if: Only 10% of its work is ecommerce and its featured case study is a nonprofit rather than an online store, so revenue-per-transaction proof for retail is thinner. Hourly rates sit at $100 to $149.

Clutch ★4.9 (90) · $100 to $149/hr · 190-250 team

4. Passionfruit · Best for AI search and GEO

Passionfruit is an AI-powered, end-to-end SEO and GEO agency that helps ecommerce brands optimize for Google and for AI search engines like ChatGPT, Perplexity, Claude, and Gemini. Founded in 2023 by Stanford and CMU alumni, it is VC-backed, engineering-first, and AI-native. It runs a 100% SEO service line across five verticals, Technical, On-page, Editorial, Off-page, and Programmatic SEO, while optimizing brand visibility inside conversational AI responses.

Its revenue-focused approach drops vanity metrics in favor of product-led, data-backed strategies that have driven an average of 50%+ revenue growth for clients. A proprietary platform tracks real-time performance across search channels through customized dashboards. Passionfruit reports results such as a 120%+ increase in organic and AI traffic across commercial, transactional, and informational terms within the first 3 months. It works across Shopify, Magento, WooCommerce, WordPress, and Squarespace.

Case studies: Reported results: 50%+ average revenue growth for clients and a 120%+ increase in organic and AI traffic within the first 3 months.

Strengths: Native GEO and AI-search optimization, a revenue-first approach, and real-time cross-channel dashboards.

Think twice if: Founded in 2023, it is the youngest firm here with no Clutch rating, review count, or published pricing in the source, so independent validation is limited.

5. 180 Marketing · Best for 100% ecommerce-only focus

180 Marketing is a 100% ecommerce SEO agency that offers no services outside ecommerce, and its 200+ customer portfolio backs its claim to specialization. Operating for more than 10 years with experts who each hold 5 to 10 years of experience, it built a KPI system based on Google Analytics and ROI to keep results transparent. It holds a 5.0 Clutch rating across 17 reviews and was named #1 highest rated service provider by eCommerceFuel.

Its services cover ecommerce SEO, link building, on-site SEO, and content development across Shopify, Magento, BigCommerce, and WooCommerce, aimed at small ecommerce businesses. For Gloves.com, 180 Marketing opened with a discovery call to map market competition and expected outcomes, then applied a tailored on-page, content, and link building strategy that grew organic traffic from 0 to 50,000. Recognizable clients include Saniflodepot, Intimate Rose, and Brobasket.

Case studies: Gloves.com (Shopify): organic traffic grown from 0 to 50,000 through on-page, content, and link building work.

Strengths: A 100% ecommerce concentration, a documented ROI-based KPI system, and a detailed, published SEO process.

Think twice if: Its review base is thin at 17 and it is a 10 to 49 person team focused on small ecommerce businesses, so larger stores needing multi-channel support may need a broader agency. Rates run $100 to $149.

Clutch ★5.0 (17) · $100 to $149/hr · 10-49 team

6. 1Digital · Best for multi-platform ecommerce builds

1Digital is an ecommerce digital agency that specializes in more than 18 ecommerce platforms and offers tailored solutions for each. It concentrates on ecommerce design and development, SEO, and CRO rather than paid advertising, aiming for organic growth and long-term results. Founded in 2012 and based in Hollywood, Florida, it holds a 4.9 Clutch rating across 13 reviews and was featured in Neil Patel's top 6 best ecommerce marketing companies.

Its work spans ecommerce SEO, general SEO, web design and development, and social media across Shopify, WordPress, BigCommerce, Magento, NopCommerce, Drupal, and Volusion. For Eloquence, a luxury home goods seller offering reproductions of vintage French Country designs, 1Digital ran a 75-keyword ecommerce SEO campaign starting in early 2020 to build domain authority and organic rankings and draw more qualified B2B and B2C traffic. Recognizable clients include Lenox, Hussey Seating, and Maximilian.

Case studies: Eloquence (BigCommerce): a 75-keyword ecommerce SEO campaign built to grow domain authority and qualified B2B and B2C traffic.

Strengths: Depth across 18-plus platforms, an organic and CRO focus over paid ads, and flexible short-term contracts.

Think twice if: Its review base is the smallest here at 13, SEO is only 40% of its service mix, and hourly rates reach $150 to $199. The Eloquence case study lists no final revenue outcome.

Clutch ★4.9 (13) · $150 to $199/hr · 190-250 team

7. Novos · Best for scaling ecommerce revenue

NOVOS is a 100% ecommerce agency based in London that helps ecommerce brands grow naturally through SEO. It has partnered with over 150 ecommerce companies across the UK, the US, and Europe and reports helping them generate more than 50 million GBP in extra revenue through organic growth. It holds a 5.0 Clutch rating across 4 reviews and won Ecommerce Agency of the Year at the Global Agency Awards.

Its services combine ecommerce SEO, PR, and content marketing across Shopify, Magento, and WordPress. For Made.com, a pure-play furniture retailer that had grown 40% year over year mainly through brand and paid media, NOVOS drove non-brand SEO revenue growth of over £10.4 million, new user acquisition of close to 1 million, a migration to a React and Headless CMS setup, and number 1 rankings for terms including Furniture, Sofa, Chairs, Tables, and Sofa Beds. Recognizable clients include Beyond Retro, LedSave, and Chipex.

Case studies: Made.com: non-brand SEO revenue growth over £10.4 million, close to 1 million new users, and #1 rankings for Furniture, Sofa, Chairs, Tables, and Sofa Beds.

Strengths: A 100% ecommerce focus, revenue-led case studies, and a free ecommerce SEO guide.

Think twice if: Its Clutch base is the thinnest on this list at just 4 reviews, and its platform coverage is limited to Shopify, Magento, and WordPress. Hourly pricing is undisclosed in the source.

Clutch ★5.0 (4) · 10-49 team

8. Inflow · Best for full ecommerce marketing support

Inflow is a fully remote ecommerce marketing agency where clients work directly with industry experts, offering full marketing and advertising support so store teams can focus on design and creative. Founded in 2008 and based in Tampa, Florida, it holds a 5.0 Clutch rating across 5 reviews and was named a Top Ecommerce Marketing Agency in 2024 by Clutch.

Its services span ecommerce SEO and marketing, content marketing, SEO, and PPC across Shopify, WordPress, BigCommerce, Magento, and Volusion. Gaia, then known as GaiamTV, came to Inflow in 2012 for link building and expanded into full SEO while navigating a site migration. Inflow's multi-faceted approach delivered 145K lifetime sessions to two multi-expert interviews, a 46% increase in organic search traffic year over year, and a 54% increase in transactions from organic traffic year over year. Recognizable clients include Vitrazza and Earth Kind.

Case studies: Gaia (WordPress): organic search traffic up 46% year over year and transactions from organic traffic up 54% year over year.

Strengths: Full-funnel ecommerce marketing, direct access to senior experts, and a free proposal.

Think twice if: SEO is only 10% of a marketing-led service mix, ecommerce is 15% of its book, and its review base is small at 5. Hourly rates run $150 to $199.

Clutch ★5.0 (5) · $150 to $199/hr · 10-49 team

9. Impressive · Best for pairing SEO with paid ads

Impressive is a data-rich, performance-driven digital agency that works with brands from fast-growth startups to global organizations, positioning itself against traditional marketing. Founded in 2016 and based in Austin, Texas, it focuses on B2C brands and holds a 5.0 Clutch rating across 5 reviews. It won at the Global 2022 Search Awards and brings extra experience pairing SEO with paid ads.

Its services cover ecommerce SEO, SEO, PPC, and social media across Shopify, Magento, WooCommerce, and WordPress. For Huon Aquaculture, an Australian store selling Tasmanian salmon that faced low online awareness and misindexed pages after a site restructure, Impressive targeted 10% organic growth in three months and 30% after six. The work delivered 44% growth in organic sessions, non-branded searches from 3.13K to 4.61K, Google Search Console clicks from 30.3K to 43.3K, and 2.38K clicks to the top product page. Recognizable clients include TopFitness, FranceLuxe, and Acer.

Case studies: Huon Aquaculture (Shopify): organic sessions up 44%, non-branded searches from 3.13K to 4.61K, and GSC clicks from 30.3K to 43.3K.

Strengths: Combined SEO and paid ad experience, a performance-driven approach, and a 60% ecommerce focus.

Think twice if: SEO is 50% of a mix that also includes PPC and social, and its review base is small at 5. Hourly rates run $150 to $199.

Clutch ★5.0 (5) · $150 to $199/hr · 10-49 team

How these agencies perform in AI search (GEO)

Ecommerce shoppers increasingly begin in ChatGPT, Perplexity, and Google AI Overviews, asking for the best store or product before they reach a results page. Being cited there depends on independent reviews, third-party mentions, and structured product data an engine can lift, from Product schema to clear category pages. Loopex Digital treats AI-search as a measured deliverable, tracking how often clients are cited across ChatGPT, Perplexity, and AI Overviews.

Passionfruit is built natively for GEO and optimizes for ChatGPT, Perplexity, Claude, and Gemini, while agencies with deeper review profiles like Victorious (90) and Loopex (80) bring the third-party validation AI engines tend to pull from. Ask any shortlisted agency how they measure AI-search visibility, not just whether they offer it.

Red flags when choosing a ecommerce SEO agency

Traffic-first reporting: dashboards that lead with sessions instead of revenue, ROAS, and conversions.

No verifiable ecommerce proof: few case studies with named stores and real revenue outcomes.

Thin review profile: little independent validation on Clutch or G2.

Platform blind spots: no depth on your platform (Shopify, Magento, WooCommerce, BigCommerce).

GEO as a buzzword: AI-search sold with no way to measure citation share.

How to choose the best ecommerce SEO agency

Ecommerce SEO differs from generic SEO: it lives on product and category pages, large catalogs, and revenue rather than rankings alone, so weigh these four things.

Ecommerce-specific experience: case studies with real revenue results and your platform.

Revenue over clicks: conversion and merchandising focus, Product schema, category-page optimization.

Technical depth at scale: faceted navigation, crawl budget, site speed, structured data.

Transparent reporting: results reported in revenue, ROAS, and AOV, not rankings alone.

FAQ

How much do ecommerce SEO agencies cost?

Agencies on this list publish hourly rates from about $25 to $199 per hour. In practice most ecommerce SEO work is billed as a monthly retainer, with scope driven by catalog size, competition, and how much content and link building the store needs.

How long does ecommerce SEO take to grow revenue?

Ecommerce SEO usually shows early movement in three to four months and meaningful revenue impact in six to twelve, as product and category pages gain authority and rankings. The agencies here that report in revenue and transactions, not just sessions, make that progress visible sooner.

How is ecommerce SEO different from regular SEO?

Ecommerce SEO optimizes product pages, category and collection pages, and Product schema, and it handles large catalogs, faceted navigation, and feed optimization across platforms like Shopify, Magento, WooCommerce, and BigCommerce. Success is measured in revenue, ROAS, AOV, and transactions rather than rankings alone.

How do I choose an ecommerce SEO agency?

Look for verifiable ecommerce case studies with named stores and real revenue outcomes, a genuine independent review base on Clutch, depth on your platform, and transparent reporting. Then match the agency to your store's stage, budget, and catalog.

Which ecommerce SEO agencies are best for AI search (GEO)?

Agencies that measure AI-search visibility are best positioned for GEO. Loopex Digital tracks citation share across ChatGPT, Perplexity, and AI Overviews as a core deliverable, and Passionfruit optimizes natively for ChatGPT, Perplexity, Claude, and Gemini.