Top 10 Largest SEO Companies in the World 2024

May 7, 2024
| Maria Harutyunyan
| 12 Min Read
Twitter IconFacebook IconInstagram IconLinkedIn Icon

A large SEO company is a big player in the world of improving websites' visibility on search engines like Google. They have lots of experience and resources to help businesses stand out online. 

The size of such a company indicates its ability to handle complex projects and provide a wide range of services, including technical optimizations, link building, and content strategy. 

These companies often attract medium to large businesses or those in highly competitive industries that look for comprehensive and strategic approaches to improve their online presence. 

To help you find an exceptional SEO partner capable of meeting these demands, we've put together a list of the top 10 largest SEO companies. They're the leaders in the digital marketing world, ready to give your website a serious boost in search engine rankings.

Top 10 largest SEO companies:

  • Loopex Digital
  • Victorious
  • Incrementors Web Solutions
  • First Page Digital 
  • SeoProfy
  • SEOValley Solutions Pvt. Ltd. 
  • Livepage
  • Nettechnocrats
  • SERP WIZARD
  • iMark Infotech

Research Methodology: How We Picked the Best Largest SEO Companies

To simplify the search for the largest SEO companies, our research began with thoroughly exploring the industry, primarily using Clutch as our starting point. 

We initially filtered for those with 50+ employees among the number of SEO companies listed. Further refining our search, we looked for companies with 30 or more reviews on Clutch, prioritizing those consistently providing excellent services to their clients. 

From chosen 122 companies, we manually reviewed the base of those that specialize significantly in SEO, with a focus on selecting those that dedicate 75% or more of their services to SEO, we narrowed down our list to 14 companies.

We manually checked each company's website. This allowed us to gather detailed information about their notable clients, client testimonials, the breadth of their portfolio, and the range of SEO services offered. 

An important aspect of our research was identifying SEO companies that have established authority within the industry through publications and recognition in reputable journals/newspapers and websites. This indicates their expertise, thought leadership in SEO, and commitment to advancing the field. We aim to make it easier for you to find the largest and most reputable SEO companies equipped with the necessary resources, expertise, and industry authority to help your business succeed in the digital landscape. 

Criteria Considered in Our Selection Process

  • Number of Employees: A metric indicative of the company's scale and ability to manage large-scale, multifaceted SEO campaigns.
  • Range of SEO Service Offerings: A wide array of services signifies the company's versatility and readiness to tackle unique SEO challenges, offering clients a holistic approach to improving their online presence.
  • Industry Expertise: Specialization in specific sectors enables companies to devise SEO strategies that are finely tuned to the nuances and dynamics of those industries, potentially yielding more impactful results.
  • Notable Clients: Serving high-profile clients successfully indicates a company's proficiency in navigating the complexities of SEO at a level that meets the demands of industry leaders.
  • Client Testimonials: Our research involved collecting client testimonials, especially from large companies and well-known brands these SEO firms have worked with. These testimonials offer insights into the client experience and the effectiveness of the SEO strategies.
  • SEO Industry Authority (Publications, Recognition, Awards) at least one of these to be considered: Recognition through publications, awards, and other accolades highlights a company's role as a thought leader in SEO, emphasizing their influence and contribution to the industry's evolution.

Portfolio Size: A large portfolio reflects the extensive experience and the ability to deliver positive SEO outcomes across various projects and client objectives.

10 Largest SEO Companies in the Market:  Experts Insights 

With years of experience and a track record of success,  these companies are the ones big brands trust to boost their online visibility. From our expert perspective, we'll show you who these SEO leaders are, what they offer, and why they're trusted by companies worldwide.

This comparison table of the largest SEO companies is designed to assist you in selecting the right SEO company for your needs. It provides a visual aid for easy comparison to help you choose the company that best fits your requirements.

COMPANY COMPANY SIZE NOTABLE CLIENTS PORTFOLIO SIZE CLUTCH REVIEWS PRICE RANGE/HR
LOOPEX DIGITAL 50 Shopify, Athemes, Oberlo 500+ 5.0 $25-$49
VICTORIOUS 50-249 General Electric (GE), Salesforce 650+ 4.9 $100 - $149
INCREMENTORS WEB SOLUTIONS 50-249 Canva, Pexels, Benzinga, Jooble 1000+ 5 $50 - $99
FIRST PAGE DIGITAL 50 - 249 Changi Airport Groupm 1800+ 4.7 $100 - $149
SEOPROFY 50 - 249 Jooble, Fxtm, Preply 200+ 5.0 $100 - $149
SEO VALLEY 50 - 249 Gulf Talent FZ-LLC 300+ 5.0 < $25
LIVEPAGE 50 - 249 Yalantis, Apriorit, Stripo 500+ 5.0 $50 - $99
NETTECHNOCRATS 50 - 249 Coca-Cola, Zangi 2000+ 4.9 < $25
SERP WIZARD 50 - 249 Mobi9Tech, Aussie Ear Plugs 500+ 4.9 < $25
IMARK INFOTECH 50 - 249 in lingua Utah 2000+ 4.9 $25 - $49
Logo

Loopex Digital

Loopex Digital large SEO company

Loopex Digital is a top 100% SEO-focused company established in 2018 by just five passionate individuals. It has since grown to include over 50 experts, helping businesses worldwide get noticed online. As one of the largest link-building, digital PR and technical SEO agencies in the world, they use the latest SEO techniques to boost website visibility and attract visitors. Loopex Digital works closely with each client, making custom plans that work. 

  • Number of Employees: 50+
  • Range of SEO Service Offerings: On-Page SEO, Technical-SEO, Off-Page SEO, White Label SEO, White Label Link Building, SEO Consulting 
  • Industry Expertise: Digital and Technology Services, Healthcare and Wellness, Consumer Services and Products, Startups, Professional Services 
  • Notable Clients: Shopify, Athemes, Oberlo
  • Awards: Recipient of the "Best in SEO Innovation" award for two consecutive years by Search Engine Land
  • Portfolio Size: 500+ clients
  • Clutch Reviews: 5.0 stars from 34 reviews on Clutch
  • SEO Industry Authority (Publications & Recognition, Awards): The agency has been mentioned in Forbes, Mangools, SE Ranking, Rachelandreago, AllBusiness, Upcity, Zapier, and other websites
  • Client Testimonials: Clients value Loopex Digital for their impactful SEO strategies that boost web traffic and keyword rankings, professionalism, and efficient communication. They praise the agency's commitment to deadlines, detailed reporting, and genuine investment in client success, leading to notable increases in leads, visibility, and conversions.
Loopex Digital client testimonial

Victorious

Victorious large SEO company

Victorious started in 2012 and has grown significantly since becoming a leading name in the SEO world. They're known for developing new ways to help clients stand out online and get accurate results. Victorious focuses on the latest SEO tricks and listens to clients' needs. This approach has made them stand out and build a strong group of happy customers. They keep up with changes in online marketing to ensure they always offer the best help to improve their clients' online presence.

  • Number of Employees: 75+
  • Range of SEO Service Offerings: On-Page SEO, Technical SEO, Off-Page SEO
  • Industry Expertise: Professional Services, Healthcare, Technology and Retail, Hospitality & Leisure, Other Industries 
  • Notable Clients: General Electric (GE), Salesforce, Spotify, Yahoo 
  • Awards: Finalist Best Global SEO Campaign, 2022
  • Portfolio Size: 650+ clients
  • Clutch Reviews: 4.9 stars from 90 reviews on Clutch
  • Client Testimonials: Clients appreciate Victorious for their significant impact on search rankings and their dedication to client support, including handling extra tasks and inquiries. Their responsiveness and ability to enhance SEO knowledge across teams are also highly valued.
Victorious client testimonial

Incrementors Web Solutions

Incrementors Web Solutions large SEO company

Incrementors Web Solutions, established in 2011, is a dynamic digital marketing and SEO company. From its early days, Incrementors has been offering a wide range of web solutions, including SEO, content marketing, and web development, tailored to the specific goals of its clients. The team at Incrementors comprises experienced professionals dedicated to creating impactful digital experiences through innovative design and content strategies. 

  • Number of Employees: 50+
  • Range of SEO Service Offerings: On-Page SEO, Technical SEO, Off-Page SEO, Google Penalty Recovery
  • Industry Expertise: Professional Services, Education and Media, Retail and eCommerce, Technology, Healthcare, Other Industries: Gambling, Automotive
  • Notable Clients: Canva, Pexels, Benzinga, Jooble, Fxtm, Preply
  • SEO Industry Authority (Publications & Recognition): mentioned in Sharethis, Forbes
  • Awards: Among awards, the recent is Upcity Best of California 2022
  • Portfolio Size: 10000+ clients
  • Clutch Reviews: 5.0 stars from 132 reviews on Clutch
  • Client Testimonials: Clients value Incrementors Web Solutions for their precise goal-setting, timely delivery within budget, and effective communication through various platforms. The company's focus on client success is highlighted by improved SEO, new leads, and high-quality content delivery, alongside their responsiveness, professionalism, and openness to feedback.
Incrementors Web Solutions client testimonial

First Page Digital Singapore

First Page Digital large SEO company

First Page Digital Singapore is a prominent digital marketing agency based in Singapore, specializing in SEO strategies to enhance online business visibility. Established to combine local expertise with global insights, the agency has substantially impacted the region. By understanding the unique dynamics of the local market and incorporating international trends, First Page Digital Singapore crafts customized solutions that drive success for its clients. Their approach has consistently delivered measurable results, positioning them as a trusted business partner.

  • Number of Employees: 50+
  • Range of SEO Service Offerings: On-Page SEO, SEO Audit, Off-Page SEO, CMS SEO
  • Industry Expertise: Public and Commercial Services
  • Notable Clients: Changi Airport Groupm, Under Armour, Mothercare
  • SEO Industry Authority (Publications & Recognition): Mentioned in Ahrefs.
  • Awards: Best SEO Strategy &Biddable Team of the Year, Growing Businesses Online
  • Portfolio Size: 1800+ clients
  • Clutch Reviews: 4.7 stars from 41 reviews on Clutch
  • Client Testimonials: Clients value First Page Digital Singapore for its effective SEO strategies that drive strong lead growth and improve organic traffic, as well as high-quality content work and excellent web optimization. The agency is praised for its knowledgeable team, clear communication, timely delivery, and proactive approach to exceeding client expectations.
First Page Digital client testimonial

SeoProfy

SEO Profy large SEO company

SeoProfy started in 2012 and was the first popular SEO blog in Eastern Europe. It grew into a big company that helps people worldwide with SEO. This change from a blog to a global business shows how much they know about SEO and how dedicated they are. Their story is about getting better and helping more people with their websites.

  • Number of Employees: 200+
  • Range of SEO Service Offerings: On-page SEO, Technical SEO, Off-page SEO, Google Penalty Recovery
  • Industry Expertise: Professional Services, Education and Media, Retail and eCommerce, Technology, Healthcare, Other Industries: Gambling, Automotive
  • Notable Clients: Jooble, Fxtm, Preply
  • SEO Industry Authority (Publications & Recognition): mentioned in Seosly, Statsdrone, and Sharethis, 200 blog posts per year on SEO 
  • Portfolio Size: 200+ clients
  • Clutch Reviews: 5.0 stars from 78 reviews on Clutch
  • Client Testimonials: Clients value SeoProfy's professionalism, effective SEO strategies, and timely communication, which have led to significant increases in organic traffic, keyword rankings, and sales revenue while also saving time and reducing costs. Their ability to resolve SEO issues, rank clients on the first pages of search engines, and cover niche markets comprehensively has been highly commended.
Seo Profy client testimonial

SEOValley Solutions

SEO Valley Solutions large SEO company

SEOValley Solutions Pvt. Ltd., founded in 2000, has rapidly ascended to become one of the industry's most reliable and swiftly expanding digital marketing companies. Renowned for its global presence, the company boasts a dedicated team of seasoned professionals who are committed to driving success for businesses of various sizes and sectors. Through a comprehensive suite of digital marketing services, SEOValley specializes in crafting tailored strategies that align with each client's unique needs and goals, ensuring optimal online visibility and growth. 

  • Number of Employees: 100+
  • Range of SEO Service Offerings: On-Page SEO, Technical-SEO, Off-Page SEO
  • Industry Expertise: Digital and Technology Services, Health and Wellness, Consumer Services and Products, Professional and Financial Services, Media, Education and Entertainment, Manufacturing and Energy, Social and Public Services, and Other
  • Notable Clients: HCL Technologies, Tata Consultancy Service (TCS), International Business Times, Holiday Inn, Gulf Talent FZ-LLC, TicketsRoundTheWorld
  • SEO Industry Authority: Awards:  Among recent awards is the Top 10 Best SEO Companies for April 2021- by FindBestSEO
  • Portfolio Size: 300+ clients
  • Clutch Reviews: 5.0 stars from 32 reviews on Clutch
  • Client Testimonials: Clients appreciate SEOValley Solutions for their effective communication via phone calls and emails and their responsive and excellent customer service approach, leading to significant increases in website growth, calls, sales, and keyword rankings. The team's efficiency, reliability, and skilled efforts have fostered positive partnerships, resulting in high-quality results, improved website traffic, and a commendable ability to retain clients for years.
SEO Valley Solutions client testimonial

Livepage

Livepage, large SEO company

Livepage is a digital marketing and SEO agency founded in Ukraine in 2011. The agency excels in driving traffic and boosting online visibility for businesses across various industries. Thanks to their profound expertise and unwavering commitment, Livepage has earned the reputation of a reliable partner for companies aiming to enhance their digital footprint and secure tangible growth. Their approach combines cutting-edge techniques and personalized strategies to ensure clients achieve their online marketing goals.

  • Number of Employees: 50+
  • Range of SEO Service Offerings: Off-page SEO, On-page SEO, Technical SEO
  • Industry Expertise: Digital and Business Services, Online Commerce
  • Notable Clients: Yalantis, Apriorit, Stripo
  • SEO Industry Authority (Publications & Recognition): Awards: TOP-1 Digital Marketing Company in Ukraine.
  • Portfolio Size: 500+ clients
  • Clutch Reviews: 5.0 stars from 52 reviews on Clutch
  • Client Testimonials: Clients commend Livepage for their exceptional ability to boost organic traffic, improve search engine rankings, and enhance user engagement, attributing significant growth in conversions and website performance to their tailored strategies and cost-effective implementations. The agency's commitment to responsive communication, personalized service, and thorough understanding of client's unique needs has solidified its reputation as a trusted partner in achieving measurable digital marketing success.
Livepage client testimonial

Nettechnocrats

Nettechnocrats large SEO company

Nettechnocrats, established in 2010, is a leading digital and IT solutions company based in India. Specializing in SEO, digital marketing, mobile app development, and web design. With a commitment to excellence and customer satisfaction, they have become a trusted partner for businesses worldwide. Their success is underpinned by a strong commitment to leveraging innovative technologies and tailored strategies to help clients achieve sustained digital growth.

  • Number of Employees: 80
  • Range of SEO Service Offerings: Off-page SEO, On-page SEO, Technical SEO
  • Industry Expertise: Consumer Services and Products, Professional and Financial Services, Health and Real Estate
  • Notable Clients: Coca-Cola, Zangi
  • SEO Industry Authority: Awards: SEMrush award
  • Portfolio Size: 2000+ clients
  • Clutch Reviews: 4.9 stars from 33 reviews on Clutch
  • Client Testimonials: Clients value Nettechnocrats for their ability to significantly enhance online visibility and engagement, achieving top rankings for keywords and delivering high-quality, user-friendly digital products, despite occasional delays in development and communication. The team's professionalism, innovative approach, effective project management, flexibility, and creative problem-solving have fostered positive outcomes and client satisfaction.
Nettechnocrats clients testimonials

SERP Wizard

SERP Wizard SEO agency

SERP Wizard is a reputable SEO and digital marketing agency. With a focus on delivering measurable results and improving SERP rankings, SERP Wizard has established itself as a trusted partner for companies seeking to optimize their online presence and achieve greater digital marketing ROI. Through innovative techniques and bespoke strategies, SERP Wizard empowers its clients to surpass their digital marketing goals, ensuring enduring achievements in the dynamic digital marketplace.

  • Number of Employees: 50+
  • Range of SEO Service Offerings: On-Page SEO, Technical-SEO, Off-Page SEO
  • Industry Expertise: Technology and Digital Services, Professional Services, Healthcare, Communication and Property Services, Other Industries
  • Notable Clients: Mobi9Tech, Wiggle Kingdom, Aussie Ear Plugs, Orewa Surf,  Lessons
  • SEO Industry Authority (Publications & Recognition): Award-winning agency, among them Top SEOs.
  • Portfolio Size: 500+ clients
  • Clutch Reviews: 4.9 stars from 36 reviews on Clutch
  • Client Testimonials: Clients appreciate SERP WIZARD for their responsive approach and regular progress updates, significantly increasing leads and propelling clients to the top of Google search rankings. Their professionalism, effective communication, and ability to deliver quality services promptly, alongside their innovative solutions and attention to detail, have made them a highly reliable partner in driving site traffic and improving online visibility.
SERP Wizard clients testimonials

iMark Infotech

iMark Infotech large SEO company

iMark Infotech Pvt. Ltd., founded in 2011 and based in India, has become a prominent figure in the digital marketing and IT service industry, celebrated for its proficiency in SEO, PPC, web development, and mobile app development. Their commitment to delivering innovative solutions and achieving tangible results has made them a preferred partner for businesses that want to enhance their online presence and drive digital growth.

  • Number of Employees: 50+
  • Range of SEO Service Offerings: On-Page SEO, Technical-SEO, Off-Page SEO
  • Industry Expertise: Consumer Services, Lifestyle and Leisure, Professional and Financial Services, Health and Education
  • Notable Clients: in lingua Utah
  • SEO Industry Authority (Publications & Recognition): mentioned in PreWeb, Delhi School of Internet Marketing 
  • Portfolio Size: 2000+ clients
  • Clutch Reviews: 4.9 stars from 136 on Clutch
  • Client Testimonials: Clients value iMark Infotech Pvt. Ltd. for their effective project management, specialized SEO expertise, and transparent communication, which have collectively driven significant increases in organic traffic, conversion rates, and client satisfaction. Their ability to meet deadlines and deliver innovative solutions tailored to specific needs has established them as a key partner in achieving digital success.
 iMark Infotech client testimonial

Final Thoughts

Our research highlights the largest SEO companies effective for big projects. These firms were chosen because of their extensive experience, wide range of services, and positive client feedback, making them reliable choices in this industry.

Furthermore, businesses searching for SEO services should consider their specific needs and objectives when choosing a partner from this list. Each company offers unique strengths and areas of specialization.

How to Choose the Best Large SEO Company 

he right SEO partner can significantly improve your website's search engine rankings, drive more traffic, and increase conversions. Here are tips and recommendations on how businesses can choose the best large SEO company:

  1. Define Your SEO Goals: Before starting your search, clearly define what you want to achieve with SEO. Are you looking to improve your website's ranking for specific keywords, increase organic traffic, enhance your local search presence, or improve your website's overall SEO health? Clear goals will help you find a company that meets your specific needs.
  2. Look for Experience and Expertise: Choose a company with a proven track record in SEO. Look for a firm with extensive experience working with businesses in your industry or with similar SEO needs. Check their case studies, client testimonials, and portfolio to understand their expertise and the results they've achieved for other clients.
  3. Consider Their SEO Strategies and Practices: Partnering with a company that uses ethical, white-hat SEO strategies is important. Ask potential companies about their approach to SEO, including keyword research, on-page optimization, link building, and content strategy. Ensure their practices align with Google’s guidelines to avoid penalties.
  4. Evaluate Their Communication and Reporting: Effective communication is key to a successful SEO partnership. Choose a company that offers clear, consistent communication and regular updates on the progress of your SEO campaign. They should provide detailed reporting, including metrics like keyword rankings, organic traffic, conversion rates, and other key performance indicators (KPIs).
  5. Check Their Tools and Technologies: The best SEO companies use advanced tools and technologies for keyword research, competitor analysis, site audits, and performance tracking. Inquire about their tools and how they use these technologies to improve your SEO performance.
  6. Assess Their Team and Customer Service: The quality of the SEO company's team and customer service is crucial. Meet with the team working on your project to assess their knowledge and expertise. Ensure the company has a responsive customer service team that can address your concerns promptly.
  7. Compare Pricing and Contracts: SEO pricing can vary widely, so it's important to understand what you're getting for your investment. Request detailed proposals from several companies and compare their pricing, services included and contract terms. However, don't make price the sole deciding factor; consider the value and potential return on investment.
  8. Ask for References: Don't hesitate to ask for references from past or current clients. Speaking with other businesses that have worked with the SEO company can provide valuable insights into their capabilities, reliability, and the results they've been able to deliver.

FAQs about the Largest SEO Companies

How do the largest SEO companies differ from smaller agencies?

The largest SEO companies often have more resources, including advanced tools and a larger team of specialists. This allows them to handle more complex projects and offer more comprehensive services than smaller agencies.

Do large SEO companies work with businesses of all sizes?

Many large SEO companies work with businesses of all sizes, from startups to multinational corporations. They often tailor their strategies to meet clients' needs and budget constraints.

Are large SEO companies more expensive than smaller ones?

Not necessarily. Pricing can vary widely based on the scope of your project and the specific services you need. However, large companies may offer more comprehensive packages that can be cost-effective in the long run.

Maria Harutyunyan

Our blog covers a combination of industry trends and professional insights from behind-the-scenes experiences. We provide weekly updates on link building, content marketing, on-site and technical SEO, and more! Sign up for our newsletter and join our LinkedIn to be on top of industry trends!

Maria Harutyunyan
Our blog covers a combination of industry trends and professional insights from behind-the-scenes experiences dealing with every aspect of SEO. We provide weekly updates on topics such as link building, content marketing, on-site and technical SEO and more! Don’t miss any industry updates by signing up for our newsletter! You’ll also receive exclusive SEO strategies and learn about industry secrets like:

Don’t forget to share this post!

Twitter IconFacebook IconInstagram IconLinkedIn Icon

Which SEO Services Are You Interested in?

Submit
Arrow
Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.

From Our Blog

more from our blog
Arrow

Ready to Grow Your Business?

Contact us to work with a results-driven SEO agency

Get SEO Tips & Tricks Every Week

Thank you! Your submission has been received!
Oops! Something went wrong while submitting the form.