The search engine marketing industry is a dynamic and rapidly evolving field that focuses on improving the visibility and search engine rankings of businesses online. It encompasses a variety of companies that offer specialized services to help businesses increase their online presence and drive more traffic to their websites. These companies employ strategies such as search engine optimization (SEO), pay-per-click (PPC) advertising, social media marketing, and more. The industry is fueled by the constant changes in search engine algorithms and the increasing reliance of consumers on search engines for information and purchasing decisions. As technology continues to advance, the industry is expected to continue growing and adapting to new trends and technologies.


Top 21 Search Engine Marketing Companies

1. 3q/dept

  • Headquarter: Chicago, Illinois, United States
  • Founded: 2008
  • Headcount: 201-500
  • Latest funding type: Series Unknown
  • LinkedIn

3Q/DEPT is a digital marketing agency that offers customized and meticulous SEO audits to radically improve marketing strategies. They provide services like SEO, paid search, paid social, conversion rate optimization, programmatic advertising, connected TV, mobile user acquisition, data science, and analytics. With their all-encompassing approach fueled by strategy, predictive intelligence, and a determination for unlimited growth, they help businesses capitalize on opportunities and sustain market leadership.

2. Isg

  • Headquarter: Boca Raton, Florida, United States
  • Founded: 2008
  • Headcount: 501-1000
  • LinkedIn

ISG is a digital marketing agency that specializes in connecting renowned brands to millions of customers nationwide. With a data-driven marketing approach, ISG offers services such as audience targeting, conversion rate optimization, SEM, local search, and more.

3. Seop

  • Headquarter: Irvine, California, United States
  • Founded: 2000
  • Headcount: 51-200
  • LinkedIn

SEOP is a full-service Digital Marketing firm that provides expert level services to help businesses grow their online presence and achieve maximum ROI. They offer services such as Search Engine Optimization, Digital Marketing, PPC Management, Social Media Marketing, Reputation Management, Inbound Marketing, and Web Development.

4. Ahrefs

  • Headquarter: Singapore, Singapore, Singapore
  • Founded: 2010
  • Headcount: 51-200
  • LinkedIn

Ahrefs is a comprehensive SEO toolset that helps businesses grow their search traffic and improve their online presence. With features like site explorer, keyword explorer, and content explorer, Ahrefs provides valuable insights and data to optimize website performance and implement effective SEO strategies.

5. iCEA Group International

  • Headquarter: New York, United States
  • Founded: 2007
  • Headcount: 201-500
  • LinkedIn

iCEA Group International is a leading SEO agency that offers comprehensive SEO services in the USA and internationally. With a team of over 300 professionals, we specialize in website positioning, Google Ads, UX optimization, and SXO services. Our experienced experts work with clients from various industries, including e-commerce, to boost their website visibility and increase conversion rates. We provide customized strategies and dedicated specialists to ensure the success of each client's online business.

6. White Shark Media®

  • Headquarter: Miami, Florida, United States
  • Founded: 2010
  • Headcount: 201-500
  • LinkedIn

White Shark Media is a digital marketing agency that offers affordable and competitive PPC management and SEO services to businesses, agencies, and organizations. They provide custom solutions and white label services to help businesses manage their paid advertising campaigns and boost sales.

7. Serpstat

  • Headquarter: Odesa, Odesa, Ukraine
  • Founded: 2013
  • Headcount: 51-200
  • Latest funding type: Seed
  • LinkedIn

Serpstat is a growth hacking tool for SEO, PPC, and content marketing. It offers domain and keyword analysis, as well as an all-in-one SEO platform for professionals. The platform aims to save time for digital marketing agencies and anyone who wants to optimize their website. With features like comprehensive training articles and personalized support, Serpstat helps users beat their competitors and achieve a leading position in search. It offers a freemium model for keyword research and competitor analysis.

8. BreezeMaxWeb: Online Media Solutions

  • Headquarter: Toronto, Canada
  • Founded: 2005
  • Headcount: 51-200
  • LinkedIn

BreezeMaxWeb is a digital marketing agency that helps businesses of all sizes grow their online presence. They specialize in increasing website visibility, site traffic, and sales through services such as Search Engine Optimization (SEO), Search Engine Marketing (SEM), and Social Media Management (SMM). With extensive experience in various digital marketing strategies, BreezeMaxWeb offers customized solutions to turn website traffic into measurable results.

9. AdLift India

  • Headquarter: Gurgaon, Haryana, India
  • Founded: 2009
  • Headcount: 51-200
  • LinkedIn

AdLift is a digital marketing agency that focuses on improving page authority on search engines and driving targeted traffic to websites. With a data-driven approach to SEO and content marketing, AdLift helps businesses increase their online visibility and conversions.

10. Digital Menta

  • Headquarter: Emea-Latam-Usa, Spain
  • Founded: 2016
  • Headcount: 51-200
  • LinkedIn

Digitalmenta is a company offering digital marketing services and solutions. With expertise in areas like SEO, SEM, social media marketing, and content creation, they help businesses increase their online visibility and reach their target audience. Their comprehensive approach and personalized strategies ensure maximum results and ROI for their clients.

11. HawkSEM

  • Headquarter: Los Angeles, California, United States
  • Founded: 2006
  • Headcount: 51-200
  • LinkedIn

HawkSEM is a full-service SEM agency specializing in digital marketing programs that drive high-value conversions and revenue growth. With expertise in PPC management, search engine optimization, social media marketing, and more, HawkSEM helps companies achieve ROI-driven results and lower acquisition costs.

12. Navus IT Services

  • Headquarter: Faridabad, Haryana, India
  • Founded: 2016
  • Headcount: 51-200
  • LinkedIn

Navus Tech is a digital marketing company based in Faridabad, India. They specialize in helping businesses build their online presence and achieve success in digital marketing. With a passionate team of experts, Navus Tech offers a wide range of services including web development, search engine optimization, pay per click advertising, and social media marketing. They are committed to driving sales and improving customer engagement through effective digital strategies.

13. Helium SEO

  • Headquarter: Cincinnati, Ohio, United States
  • Founded: 2017
  • Headcount: 51-200
  • LinkedIn

Helium SEO is a digital marketing agency that specializes in SEO strategies and campaigns to help brands generate revenue. They offer services such as national/international SEO campaigns, geo located SEO, conversion rate optimization, Google Ads/PPC marketing, and more.

14. SpyFu

  • Headquarter: Scottsdale, Arizona, United States
  • Founded: 2005
  • Headcount: 11-50
  • LinkedIn

SpyFu is a comprehensive competitor keyword research tool that provides SEO and PPC insights. With features like backlink analysis, ad history tracking, and keyword grouping, it helps users dominate their competition and uncover missed opportunities. It offers customizable reports, white label options, and integration with other SpyFu tools.

15. Bruce Clay, Inc.

  • Headquarter: Simi Valley, California, United States
  • Headcount: 11-50
  • LinkedIn

Bruce Clay is a company that offers SEO services and training. They have been providing SEO training since 1999 and have trained many search marketing agencies. They help businesses rank on top of SERPs and keep their ranking despite Google algorithm updates.

16. SMDigital USA

  • Headquarter: Delray Beach, Florida, United States
  • Founded: 2003
  • Headcount: 51-200
  • LinkedIn

SMDigital Partners is a digital marketing company that helps businesses attract more customers and grow. They craft strategies and implement digital marketing programs such as search engine marketing, social media marketing, and reputation management. With a team of talented experts, they focus on delivering measurable results and helping businesses achieve their goals.

17. Promodo

  • Headquarter: Kharkiv, Kharkiv Region, United Kingdom
  • Founded: 2004
  • Headcount: 201-500
  • LinkedIn

Promodo is an eCommerce digital marketing agency in the UK. They provide digital marketing solutions such as conversion rate optimization, design and creative services, and search content-rich websites. They help businesses improve their online presence and increase their organic installs and branded traffic.

18. Search Engine Land

  • Headquarter: Edgartown, Massachusetts, United States
  • Headcount: 11-50
  • LinkedIn

Searchengineland.com is a website that provides news, insights, and resources related to search engine marketing and optimization. It offers information about SEO, PPC advertising, social media marketing, and other digital marketing topics.

19. SE Ranking

  • Headquarter: Palo Alto, California, United States
  • Founded: 2012
  • Headcount: 51-200
  • LinkedIn

SE Ranking is a scalable SEO software that offers a comprehensive suite of tools for agencies and professionals. With features like keyword rank tracking, website audit, backlink monitoring, and competitor analysis, SE Ranking helps businesses boost their online visibility and improve their SEO strategies.

20. Pure SEO

  • Headquarter: Northcote, Auckland, New Zealand
  • Founded: 2009
  • Headcount: 51-200
  • LinkedIn

Pure SEO is a digital marketing agency that provides SEO, SEM, CRO, social media marketing, content creation, and online advertising services.

21. Savit Interactive

  • Headquarter: Mumbai, Maharashtra, India
  • Founded: 2004
  • Headcount: 51-200
  • LinkedIn

Savit is a digital marketing agency based in Mumbai, India. They specialize in SEO, SEM, web design, and social media advertising. With a team of creative professionals, they help businesses increase their online visibility and attract their target audience.

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