The search engine optimization industry in California has emerged as a significant contributor to improving online business operations. Such companies specialize in increasing the visibility and popularity of business websites on search engines. By employing state-of-the-art tools and methodologies, they generate organic traffic, thereby driving sales and brand exposure. These companies are known for offering functional and comprehensive SEO services, along with digital marketing solutions which include Pay-Per-Click, social media management, web design and development, and more. With the continuous evolution of algorithms and digital trends, the industry is positioned to see more advanced and personalized SEO strategies that will even more accurately meet the needs of businesses across all sectors.


Top 21 search engine optimization companies in California

1. SEO Inc

  • Website: seoinc.com
  • Headquarters: Carlsbad, California, United States
  • Founded: 1997
  • Headcount: 51-200
  • LinkedIn

SEO Inc. is an SEO Company and Paid Search experts aiming to help businesses improve their online presence in search and social media to acquire new customers, increase revenue, and build their brand online.


2. Saba Inc.

  • Website: sabaseo.com
  • Headquarters: San Diego, California, United States
  • Founded: 2003
  • Headcount: 201-500
  • LinkedIn

Saba SEO is a premier SEO company in San Diego that offers comprehensive digital marketing solutions, including SEO, PPC, social media management, web design, and app development. With a focus on transparency and customer satisfaction, they prioritize understanding their clients' marketing goals and expectations. Saba SEO builds long-lasting partnerships for success by providing innovative strategies and delivering exceptional results.


3. Seop

  • Website: seop.com
  • Headquarters: 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. Gr0

  • Website: gr0.com
  • Headquarters: Los Angeles, California, United States
  • Founded: 2020
  • Headcount: 51-200
  • LinkedIn

GR0 is a digital marketing agency specializing in SEO services and online marketing strategies. They help businesses improve their search engine rankings, increase organic traffic, and drive conversions. With a focus on delivering results and maximizing return on investment, GR0 provides tailored solutions to help businesses reach their marketing goals.


5. Local Lighthouse

Local Lighthouse is a company that offers online marketing and SEO solutions to small and local businesses in North America. They aim to put businesses in front of their local customers efficiently and at an affordable price. With their expertise in SEO and online marketing, they help businesses increase their search traffic and online presence.


6. WSI | Marketing par Internet

WSI Digital Marketing is a digital marketing agency that specializes in helping businesses achieve success online through effective website design, SEO, PPC, social media and content marketing strategies.


7. Zoek Marketing

  • Website: gozoek.com
  • Headquarters: Aliso Viejo, California, United States
  • Founded: 2015
  • Headcount: 201-500
  • LinkedIn

Zoek is an internet marketing company that offers a range of services including search engine optimization, web design, graphic design, and paid advertising. They help businesses improve their online visibility and brand awareness.


8. Pbhs

  • Website: pbhs.com
  • Headquarters: Santa Rosa, California, United States
  • Founded: 1977
  • Headcount: 201-500
  • Latest funding type: Acquired
  • LinkedIn

PBHS is a dental web design and marketing company with over 35 years of experience. They offer services such as website design, video production, search engine optimization, reputation marketing, and social media campaigns to help dentists build a strong online presence. They also provide dental branding and practice marketing services including logo design, marketing collateral, direct mail campaigns, and custom advertisements.


9. SE Ranking

  • Website: seranking.com
  • Headquarters: 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.


10. HawkSEM

  • Website: hawksem.com
  • Headquarters: 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.


11. eGumball Inc.

  • Website: egumball.com
  • Headquarters: Irvine, California, United States
  • Founded: 2007
  • Headcount: 51-200
  • LinkedIn

egumball.com is a company that offers online marketing solutions for businesses. They provide services such as search engine optimization, local listing management, and social media marketing.


12. In/out

  • Website: inout.us
  • Headquarters: Los Angeles, California, United States
  • Founded: 2012
  • Headcount: 51-200
  • LinkedIn

IN/OUT is a digital marketing company that specializes in providing complete digital marketing strategies for small and medium sized businesses. They help businesses drive traffic, secure new leads, and create a strong online presence. Their services include search engine optimization, website design, social media marketing, and more.


13. Radd Interactive

Radd Interactive is a digital marketing agency specializing in providing professional services such as search engine optimization, paid media marketing, social media marketing, video production, and digital marketing recruiting. They partner with clients to achieve their goals and use cutting-edge strategies to help businesses grow online.


14. Manfred Infotech

Manfred Infotech is a complete IT service provider offering professional and affordable web design, mobile app development, SEO, and digital marketing solutions globally. With headquarters in the USA and a development center in Kolkata, India, we deliver customized, scalable, and high-quality solutions to meet clients' specifications. Our experienced team leverages top technical skills to ensure maximum return on investment for our clientele. We specialize in responsive web design, Android and iOS app development, and search engine optimization to increase visibility and optimize website traffic.


15. SpencerHaley

  • Website: spencerhaley.com
  • Headquarters: San Diego, California, United States
  • Founded: 2012
  • Headcount: 1001-5000

Spencer Haley is an online marketing and web development company offering services such as website design and development, SEO, social media marketing, and e-commerce solutions.


16. Local Splash - Local SEO Company

  • Website: localsplash.com
  • Headquarters: Fountain Valley, California, United States
  • Founded: 2004
  • Headcount: 51-200
  • LinkedIn

Localsplash.com offers services for local businesses to improve their visibility on search engines like Google, Yahoo, and Bing. They provide local SEO, Google Ads, call tracking, advanced reporting, and Google Guaranteed services. With over 60+ directories, maps, and communities, Localsplash ensures clear and consistent online presence for businesses.


17. SOS, Inc.

  • Website: soswest.com
  • Headquarters: Aliso Viejo, California, United States
  • Founded: 2009
  • Headcount: 11-50
  • LinkedIn

SOS is a digital marketing firm specializing in search optimization, web design, social media marketing, and analytics. They prioritize integrity and transparency, utilizing data for effective digital marketing strategies.


18. Victorious

Victorious is an award-winning SEO agency that offers comprehensive SEO strategy and analytics services. They provide strategic goal-setting, project management, Google Analytics setup, and goal tracking. Their services include keyword research, technical audits, backlink analysis, international SEO, on-site optimizations, meta tag optimizations, and more. Victorious caters to small businesses, SaaS companies, fashion brands, and various other industries. They prioritize customer education and offer exclusive access to a knowledge base. Victorious is committed to delivering visible results and driving ROI for their clients.


19. SearchEngineOptimization.com

SearchEngineOptimization.com is a leading firm in search engine optimization and marketing. Offering tailor-made services to companies of all sizes, we guarantee high-quality results. With a strong focus on quality content and organic SEO, we also specialize in social media marketing, PPC management, and quality backlinks.


20. PROS Internet Marketing & Technology Solutions

Internetsearchinc.com is an internet marketing and web technology company that specializes in providing digital marketing solutions. They offer services such as web development, design, search engine optimization, social media marketing, and reputation management. Their goal is to help businesses drive revenue and acquire new customers through the use of data-driven IT strategies and marketing automation.


21. Seo Pro Hub

  • Website: seoprohub.com
  • Headquarters: Pleasanton, California, United States
  • Founded: 2012
  • Headcount: 51-200
  • LinkedIn

SEOProHub specializes in search engine optimization (SEO) services for startups and pre-established businesses. Their services include website audit, keyword research, on-page optimization, off-page SEO, and web content creation.


Want to find more search engine optimization companies?


If you want to find more companies that offer a range of services including SEO, PPC, and social media optimization you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
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  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!