NUOPTIMA > Insights > The Ultimate Guide to the Best 15 eCommerce SEO Agencies

The Ultimate Guide to the Best 15 eCommerce SEO Agencies

March 24, 2023 1 minute

In the dynamic world of eCommerce, SEO plays a pivotal role in enhancing your digital footprint. The right partner can be a transformative force, ensuring your online visibility aligns with your target audience’s needs. In this comprehensive guide, we delve into the world of eCommerce SEO agencies, illuminating their unique strategies, competencies, and success stories. Whether you’re an emerging online store seeking to make a mark or an established player aiming to maintain your competitive edge, these agencies offer solutions to guide your journey to digital success.

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Welcome to NUOPTIMA, the growth agency that’s redefining the SEO landscape. We’re a collective of seasoned professionals united by a common goal – to fuel your business with qualified traffic and profit within a specified or client-allotted budget.

Our team, boasting 15+ years of SEO experience, has successfully executed 300+ SEO projects. Our portfolio is diverse, ranging from local service providers to public companies across both B2C and B2B sectors. We’ve propelled brands to 7 figures in sales and surpassed B2B SQL quotas. Some of our many proficiencies include:

  • Comprehensive SEO (technical SEO, content writing and creation, backlink building)
  • eCommerce email marketing
  • SEO for eCommerce platforms (B2B & B2C) 
  • Amazon marketing
  • PPC

This diverse skill set, coupled with our competitive pricing starting from $1,000 per month, makes us a one-stop full-stack solution for all your SEO needs.

At NUOPTIMA, we’re selective about our collaborations because we’re committed to ensuring the success of your campaign. Furthermore, we understand that choosing an SEO agency is a significant decision. That’s why we encourage you to have a conversation with our team before making your choice. We’ll provide an honest assessment of what we can achieve for you. If we’re a good fit, we’ll propose a fair price and outline clear growth expectations and KPIs.

Once we embark on this journey together, you’ll be in regular contact with our team. We’re committed to transparency and communication, so you’ll receive extensive data tracking and regular updates.

As a highly rated eCommerce SEO agency, we have been recognised with numerous awards for our work, including the Best B2B SEO Campaign 2022 at the UK Search Awards. Click here to learn more about what specific services we offer to eCommerce companies, and when you feel ready, book a call with our dedicated team to embark on your journey towards online success.


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  • Headquarters: London, UK
  • Founded: 2020
  • Email Address: [email protected]
  • Website: 
  • Phone Number: N/A
  • Address: 1 Beauchamp Court, 10 Victors Way, Barnet, London, EN5 5TZ, UK
  • Specialisation: SEO, Backlink Building, B2B, B2C, SaaS, Content Writing and Creation, PPC, eCommerce Email Marketing, SEO for eCommerce Platforms, Amazon Marketing, Google Ads, and LinkedIn Ads
  • Clients: Microminder, Quolum, Bonnet, FUL, Eden Data
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Operating within the eCommerce industry, Sitemap is a company known for providing a variety of marketing services. This firm has significantly contributed to the growth of many online businesses by creating innovative content blueprints. Serving a dual purpose, these blueprints attract high-quality web traffic and play a pivotal role in establishing their customers as leaders in their respective domains.

Offering solutions like content writing, email marketing, content strategy, lead magnets, technical SEO, and link building, the company tailors each of these packages to the individual needs of their clients. It is also committed to guiding its partners through every phase of the campaign, providing step-by-step reports of their initiatives.

Moreover, Sitemap’s approach to SEO reflects a deep understanding of the dynamic and competitive nature of the online marketplace. It recognises that maintaining a leading position in the eCommerce sphere requires understanding and adapting to the changing needs and behaviours of online consumers. 


  • Headquarters: Cincinnati, Ohio, USA
  • Founded: 2018
  • Email Address: [email protected]
  • Website:
  • Phone Number: N/A
  • Address: 1311 Vine St, Cincinnati, OH 45202, USA
  • Specialisation: SEO and Content Marketing
  • Clients: Ring’s End, High Cotton Ties, Titan Worldwide, and Stanley Black & Decker
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Siege Media

Siege Media focuses on content creation and SEO services for eCommerce companies. Their comprehensive approach integrates critical aspects such as natural language processing, innovative copywriting, and world-class design – a combination beneficial for enhancing online visibility.

The agency’s process is systematic, beginning with idea generation and research, followed by writing and editing. The process further extends to include the design team, which creates compelling graphics to complement the appeal of the written content.

In addition, continual monitoring is a key aspect of Siege Media’s service. The agency goes beyond just promoting the material online. It also conducts ongoing analysis and improvement measures post-publication, which helps keep the associated platforms optimised and updated.

Moreover, Siege Media’s diverse team, comprising writers, SEO strategists, designers, and PR professionals, contribute to the firm’s performance. Each piece of content goes through a thorough review and refining process by these experts, aiming to ensure its effectiveness. 


  • Headquarters: San Diego, California, USA
  • Founded: 2012
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (512) 710-2510
  • Address: N/A
  • Specialisation: Content Creation and SEO for eCommerce and B2B brands
  • Clients: Stash, Chime, Quicken Loans, and Hippo
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OuterBox Design

Operating within the online commerce sector, OuterBox Design is distinguished as a premier SEO agency. It excels in steering SEO, paid search, and digital marketing campaigns, with a keen focus on both B2C and B2B domains.

The agency’s offering spans beyond SEO, offering a comprehensive suite of digital services essential for eCommerce success. This portfolio includes web design, development of online stores, conversion rate optimisation (CRO), and email marketing. Their integrated approach to online promotion optimises the effectiveness of each channel, ensuring maximal value for every dollar invested.

Additionally, the achievements of OuterBox Design can be attributed to its workforce comprising more than 125 experts in digital marketing. The combined knowledge and proficiency of this team contribute to the establishment of long-lasting client partnerships. This, in turn, supports the alignment with and facilitation of the client’s business objectives, ultimately leading to the success of online businesses.


  • Headquarters: Akron, Ohio, USA
  • Founded: 2004
  • Email Address: N/A
  • Website:
  • Phone Number: +1 (866) 647 9218
  • Address: 175 Montrose West Ave., 2nd Floor, Akron, OH 44321, USA
  • Specialisation: SEO, Paid Search Marketing, Website Design, eCommerce Development, CRO, and Email Marketing
  • Clients: Warehouse Lighting, Lethal Performance, Aviya Performance, and A&C Plastics
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Thrive Internet Marketing Agency

Offering solutions that cater to both start-ups and large corporations, Thrive Internet Marketing Agency has positioned itself as a key player in the field of eCommerce marketing and SEO. With a diverse array of services, they aim to enhance web-based discoverability and foster growth for their clients.

To this end, Thrive’s eCommerce marketing solutions encompass a wide range of tools and techniques. From content marketing to web design, they provide a holistic approach to connecting online stores with potential customers. Plus, their methods are designed to improve user experience and build brand engagement. 

For instance, in the area of SEO, Thrive offers a multifaceted approach that includes keyword research, link building, and technical enhancements. They work diligently to align clients’ websites with search engine best practices, ensuring optimal rankings and online exposure.


  • Headquarters: Arlington, Texas, USA
  • Founded: 2005
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (866) 908 4748
  • Address: 4604 Park Springs Blvd, Suite 140, Arlington, TX 76017, USA
  • Specialisation: SEO, Paid Search Marketing, Website Design, eCommerce Development, CRO, and Email Marketing
  • Clients: Geoforce, Grow Strong Industries, and IDville
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Outsmart Labs

Recognised by Google as a top-tier agency in the US, Outsmart Labs operates within the eCommerce sector, providing a wide range of solutions. This ensemble of digital architects, strategists, marketers, entrepreneurs, and futurists offers services that cover various aspects of digital promotion.

To delve deeper, Outsmart Labs focuses on enhancing the visibility of businesses through local SEO, a web-to-store strategy that ensures physical locations appear prominently in local searches. This approach drives both physical and digital traffic. Plus, it ensures ranking for local searches by providing information consistency across various directories, boosting street credibility through online reviews, and implementing innovative features like Google street view.

Moreover, the services offered by Outsmart Labs encompass various aspects such as citations, Google reviews, local public relations, call tracking technology, online reviews outreach, and backlinks. These elements collectively contribute to enhancing foot traffic and online exposure for businesses, providing them with a competitive edge, particularly for small businesses seeking to make a significant impact in their local area.


  • Headquarters: Miami, Florida, USA
  • Founded: 2012
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (305) 209-0807
  • Address: 14 N.E. 1st Ave, Suite 1401, Miami, FL 33132, USA
  • Specialisation: SEO, Digital Marketing, Influencer Marketing, and Social Media Management
  • Clients: Hilton Caribbean, Miami Design District, and NeuroSpa Therapy Centres
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Titan Growth

Built on a fusion of its skilled team and its proprietary TitanBOT® technology, Titan Growth is recognised as a notable SEO agency. Their growth-focused approach is evident in their comprehensive digital strategy, which aligns with the overall goals of their clients.

Titan Growth’s suite of services includes SEO, paid media management, Amazon marketing, SMM, video production, link acquisition, web design and development, and content marketing. These services are crafted to be profitable and sustainable and are designed to capture competitive market share and achieve desired outcomes.

Furthermore, the agency’s commitment to client success is further demonstrated through their impressive client results, including significant increases in organic revenue, first-page rankings, and paid media conversions. Their work with clients like Software AG, PubMatic, and Sitecore showcases their ability to substantially increase traffic, revenue, and brand exposure.


  • Headquarters: San Diego, California, USA
  • Founded: 2004
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (858) 432 7206
  • Address: 10907 Technology Place, San Diego, CA 92127, USA
  • Specialisation: SEO, Paid Media, Email Marketing, Amazon Marketing, Social Media Marketing, Content Marketing, Video Production, Graphic Design, and Web Design & Development
  • Clients: Aman Resorts, Arcadia Data, Blackbaud, and Classy Closets
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Nuanced Media

Nuanced Media, a full-service marketing agency, operates prominently in SEO, catering particularly to eCommerce and Amazon brands. Their approach is centred on research, collaboration, and innovative thinking, aiming to subtly differentiate their clients from competitors.

The agency offers services such as Amazon advertising, where they craft various types of ads to target specific audiences. They additionally offer a comprehensive eCommerce approach to establish a unified online presence, design websites with a focus on the user experience, and provide creative services for images and videos. Their services also include Amazon account management and optimisation, copywriting geared towards conversion, logistical assistance, and eCommerce consultation.

Furthermore, Nuanced Media’s history dates back to 2010, when it was founded by Ryan Flannagan. Initially focused on web design and B2B marketing, the company pivoted to eCommerce and Amazon sales, achieving significant success. They have helped clients generate hundreds of millions of dollars in online sales and have worked with notable brands like Dollar Shave Club.


  • Headquarters: Tucson, Arizona, USA
  • Founded: 2010
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (520) 441-3131
  • Address: 100 N Stone Ave Suite 305, Tucson, Arizona 85701, USA
  • Specialisation: eCommerce and Amazon Marketing
  • Clients: Greenline Goods, Moo, Krush Kandy, and Safeguard
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Web FX

A digital marketing firm that has been in operation for over 25 years, WebFX has grown to become a one-stop shop for businesses seeking various solutions. With over 500 digital experts, including specialists in areas such as Google Ads, SEO, copywriting, and CRM, WebFX offers a wide array of solutions to meet the diverse needs of its clients.

The firm’s exclusive MarketingCloudFX software, driven by IBM Watson, functions as a unified reference point to monitor campaigns, evaluate performance, oversee sales pipelines, and undertake additional tasks. This technology, along with Nutshell CRM, amplifies the impact of WebFX’s services, saving clients both time and money.

In addition to this, WebFX is also committed to making a global impact through programs like GreenFX, STEMFX, and FXBuilds, focusing on environmental preservation, educational opportunities, and community development.


  • Headquarters: Harrisburg, Pennsylvania, USA 
  • Founded: 1995
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (888) 601 5359
  • Address: 1705 N Front St Harrisburg, PA 17102, USA
  • Specialisation: SEO, eCommerce, UX & Web Design, Web Development, Digital Advertising, Social Media Advertising
  • Clients: CenTrak, Net Friends, and KOA
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Straight North

Operating from the United States, the team at Straight North is recognised for delivering high-quality work. Plus, having a history of over 25 years in the digital marketing industry, Straight North has established itself as a steadfast participant, underlined by a client retention rate of 95%. Their offering covers an extensive array of marketing capabilities, including SEO, paid advertising, web design and development, and creative services.

More specifically, their holistic approach to online marketing aims to attract the right customers, stimulate sales, and facilitate business growth. Additionally, their adherence to transparency, superior project management, and goal-oriented strategies distinguish them from others.

Beyond mere website creation, they also cultivate sophisticated lead-generating platforms. Moreover, their internal creative team has demonstrated skill in enabling clients to differentiate themselves from competitors and persuade potential customers to engage and purchase.


  • Headquarters: Downers Grove, Illinois, USA
  • Founded: 2008
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (855) 953 4320
  • Address: !001 W.31st St, Suite 100, Downers Grove, IL 60515, USA
  • Specialisation: SEO, Paid Advertising, Web Design, Web Development and Creative Services
  • Clients: Affy Tapple, Clover, Donnelley Financial Solutions (DFIN), and the University of Wisconsin-Platteville
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SEO Inc’s primary objective revolves around steering businesses towards revenue-generating initiatives by applying various internet advertising strategies. Notably, it has been identified as a Clutch 2022 Top SEO Company and a Top Enterprise SEO Company for six consecutive years (2017-2023), underlining its enduring performance and dedication to high standards.

Recently, the company has integrated AI and machine learning into its content creation process, further cementing its role as a forward-thinking participant in the field. Plus, SEO Inc furnishes a complete set of services that cover SEO, PPC advertising, mobile optimisation, and social media management, catering to a broad spectrum of business requirements.

Simply, with more than two decades of experience, SEO Inc has shown continuous growth and adaptation within the digital marketing field. Its focus on evolving methodologies and client satisfaction contributes to its standing in a competitive environment.


  • Headquarters: Nashville, Tennessee, USA
  • Founded: 1997
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (877) 736 0006
  • Address: N/A
  • Specialisation: SEO, PPC, Social Media Management, Web Development
  • Clients: 20th Century Studios, Oxi Fresh, Paul Mitchell, and Sandals
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Boostability, primarily known for its white-label SEO services, has made a significant impact by aiding small and medium businesses in augmenting their web-based growth. Its approach is deeply rooted in the belief of prioritising the client, which is reflected in their dedication to transparency, affordability, and demonstrable outcomes.

The SEO technology platform developed by Boostability offers real-time reporting, enabling clients to monitor their progress and assess the influence of their campaigns. In addition to full-service SEO and reporting, the company offers other services such as content writing, as well as website design and construction.

Moreover, Boostability’s assemblage of specialists operates at a local level for businesses worldwide, delivering bespoke SEO solutions that cater to various budget ranges. This breadth of service provision, combined with their client-first philosophy, helps businesses enhance online performance and achieve objectives.


  • Headquarters: Lehi, Utah USA
  • Founded: 2009
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (877) 830-1806
  • Address: 2600 Ashton Blvd, Suite 300, Lehi, UT 84043, USA
  • Specialisation: White Label SEO Services for SMEs
  • Clients: Vickie MFT
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Lounge Lizard

Unlike traditional agencies, Lounge Lizard’s expertise extends beyond creating visually appealing websites. They focus on developing multi-channel strategies that are tailored to the distinctive needs of eCommerce businesses.

Hence, their eCommerce SEO approach is dynamic and multifaceted, adapting to industry changes and algorithm updates. They offer advanced keyword and keyphrase research, product page optimisation, and content creation, all aimed at enhancing brand awareness and driving qualified leads to the store.

One of Lounge Lizard’s major features is their emphasis on product line optimisation, ensuring that even businesses with extensive inventories can have their products rank well for target keywords. Moreover, they also offer cost-effective solutions, with eCommerce strategies that run in the background, complementing traditional marketing campaigns.


  • Headquarters: New York, New York USA
  • Founded: 1998
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (646) 661 7828
  • Address: 112 West 34th Street, 18th Floor, New York, NY 10120, USA
  • Specialisation: Website Design and Development, Digital Marketing, Social Media Strategies, PR Campaigns
  • Clients: Brilliant Book House, Canon, DoALL Sawing Products, and Dylan’s Candy Bar
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Whitecap SEO

Employing data-informed strategies, Whitecap SEO has collaborated with numerous significant product distributors globally to heighten their online profiles. Services offered span from keyword research and technical SEO to link building, forming a comprehensive approach to optimising web-based stores.

Familiarity with platforms such as Shopify, BigCommerce, Magento 2, and Volusion, along with adherence to white-hat practices, is a recognised aspect of their operation. An emphasis is also placed by the agency on maintaining the integrity of client websites while promoting their competitiveness in the digital marketplace.

Moreover, Whitecap SEO has a proven track record that has often resulted in a surge in both the quantity and quality of inbound website traffic. This uptick in traffic has led to an increase in sales and revenue for various clients, enabling them to reach their digital potential.


  • Headquarters: Asbury Park, New Jersey, USA
  • Founded: 2011
  • Email Address: [email protected]
  • Website:
  • Phone Number: +1 (844) 944 8322
  • Address: 305 Bond St., Suite 307, Asbury Park, NJ 07712, USA
  • Specialisation: SEO Services, SEM, PPC, and Google Ads
  • Clients: Ghirardelli Chocolate Company and Custom Ink
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SEO Works

With over 15 years of experience in the field, SEO Works offers a wide array of services, including organic SEO, digital PR, content marketing, and PPC Management. Their eCommerce services are designed to increase organic traffic and sales across various platforms such as Magento, Shopify, and Enterprise CMS. However, the agency’s approach goes beyond mere traffic growth, targeting the right audience and driving meaningful engagement.

They take a contemporary approach to SEO, focusing on the mobile experience. This modern approach ensures that their clients’ sites are discoverable across both mobile and desktop devices, targeting searches with commercial intent at every stage of the buyer’s journey.

Furthermore, the values that guide SEO Works include drive, adaptability, passion, integrity, and loyalty. These principles reflect their dedication to achieving results and maintaining strong relationships with their clients. Their diverse portfolio spans sectors such as financial services, healthcare, law, automotive, education, and manufacturing. 


  • Headquarters: Sheffield, UK
  • Founded: 2009
  • Email Address: [email protected]
  • Website:
  • Phone Number: +44 800 292 2410
  • Address: Fountain Precinct, Balm Green, Sheffield, S1 2JA, UK
  • Specialisation: SEO, PPC, Web Design & Development, Social Media Management
  • Clients: Dainese, Landscaping Supplies Direct, and Ultimate Finish


Choosing the right eCommerce SEO agency can catalyse your online business’s growth, driving greater traffic, enhancing visibility, and boosting sales. The agencies listed above vary in specialisation, approach, and experience, catering to diverse client needs with their unique strategies. Whether you’re a start-up or an established eCommerce enterprise, these agencies offer a range of services to help you succeed in the digital marketplace. Take time to assess your specific needs and goals, and consider the expertise of these agencies, to find the one best suited to guide your journey to digital success.

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By: Viktor Bartak

Head of SEO


Viktor has 15 years of experience in SEO, having worked on over 300 businesses across B2B and B2C, including cybersecurity, social media, eCommerce, tourism, SaaS, fintech, private clinics, agriculture, clothing manufactures, real estate and more.

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