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Top 1,273 SEO Agencies in California | October 2026

Best SEO Companies in California, USA

Web And SEO Hub

3415, South Sepulveda Boulevard, Los Angeles, CA 90034
https://webandseohub.com

Marketing Agency with Focus on SEO from Los Angeles, CA

Searching for the best custom web design and development agency in the USA? Look no further! We, at Web and Seo Hub, are your one-stop destination for all your SEO needs!

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Iana Dixon SEO Services

601, East Palomar Street, Chula Vista, CA 91911
https:/seobypro.com

Marketing Agency with Focus on SEO from Chula Vista, CA

SEO Company Near Me: stand out from your competitors with Iana Dixon advanced SEO services. Unlock the full potential of your website.

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SEO Expert Management

26033, Getty Drive, Laguna Niguel, CA 92677
https://seoexpertmanagement.com

Marketing Agency with Focus on SEO from Laguna Niguel, CA

Orange County SEO company and digital marketing consultant. The Best SEO services and digital marketing consultant for small business owners.

Current Milestones

  • #228Top Ranking SEO Company in California
  • #1,228Top Ranking SEO Company in the United States
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The SEO Queen

235, East Broadway, Long Beach, CA 90802
https://www.seoqueen.com

Marketing Agency with Focus on SEO from Long Beach, CA

The SEO Queen provides seo, website design, and technical assistance to small businesses, enterprises, and non profits.

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Local SEO Guide

4048, Sherry Court, Pleasanton, CA 94566
https://www.localseoguide.com

Marketing Agency with Focus on SEO from Pleasanton, CA

SEO consulting for Multi-Location Brands, Franchises, Small Business, Media, eCommerce, & StartUps. 20+ years of expertise. Get in touch & let's discuss your SEO challenges.

Current Milestones

  • #230Top Ranking SEO Company in California
  • #1,253Top Ranking SEO Company in the United States
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SEOBerg

445, South Figueroa Street, Los Angeles, CA 90071
https://seoberg.com

Marketing Agency with Focus on SEO from Los Angeles, CA

SEOBERG is a results-driven digital marketing agency helping businesses grow online with SEO, PPC, social media, and more. Boost your brand today!

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Elocal Solutions

1531, Grand Avenue, San Marcos, CA 92078
https:/eglobalwebsolutions.com

Marketing Agency with Focus on SEO from San Marcos, CA

Looking for a digital marketing service to help your local business online- Local SEO-National SEO-Social Media - Websites and more.

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SoCal Digital Marketing

107, Pasto Rico, Rancho Santa Margarita, CA 92688
https://www.socaldigitalmarketing.com

Marketing Agency with Focus on SEO from Rancho Santa Margarita, CA

SoCal Digital Marketing is an Orange County SEO company that provides professional search engine optimization and social media services. Call our experienced marketing experts to get started with your…

Current Milestones

  • #233Top Ranking SEO Company in California
  • #1,287Top Ranking SEO Company in the United States
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Advertising Identity

1305, Cleveland Avenue, Santa Rosa, CA 95401
https://www.advertisingidentity.com

Marketing Agency with Focus on SEO from Santa Rosa, CA

Advertising, Marketing & SEO services since 1998. Our company specializes in local online Business Advertising, Social Media and Organic SEO.

Current Milestones

  • #234Top Ranking SEO Company in California
  • #1,290Top Ranking SEO Company in the United States
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Wiideman Consulting Group

14241, Firestone Boulevard, La Mirada, CA 90638
https://www.wiideman.com

Marketing Agency with Focus on SEO from La Mirada, CA

We offer high-end search engine optimization strategy, consulting, training and guidance, with core competencies in multi-location and e-commerce SEO & SEM.

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Mazeless

2600, Foothill Boulevard, La Crescenta-Montrose, CA 91214
https:/websitecoach.com

Enterprise SEO

Organic Search Experts specializing in Enterprise SEO and Technical SEO. If your traffic is dropping, give us a call now - 424.235.7133 - LA Based.

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Brandlift Digital Marketing

1001, Garnet Avenue, San Diego, CA 92109
https://brandliftdigital.com

Marketing Agency with Focus on SEO from San Diego, CA

Brandlift is a results driven paid media and SEO agency based in San Diego, CA. SEO strategies, Google Ads, wholistic digital strategies.

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Diffuse Digital Marketing

2042, Devonshire Drive, Napa, CA 94558
https://diffusedigitalmarketing.com

Marketing Agency with Focus on SEO from Napa, CA

Diffuse Digital Marketing agency specializes in web design, search engine optimization (SEO) & social media marketing to grow local businesses.

Current Milestones

  • #238Top Ranking SEO Company in California
  • #1,304Top Ranking SEO Company in the United States
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Force0six DBA Ketamine Lead Gen

15855, Marmac Drive, Ramona, CA 92065
https://www.force0six.com

Marketing Agency with Focus on SEO from Ramona, CA

Your SEO and PPC Company in San Diego. We are #1 with Pay Per Click, AdWords, SEO, SEM, Internet Marketing, Salesforce Consulting & .Net Development | Force0six

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Rank Harvest Digital Marketing

14520, Twin Peaks Road, Poway, CA 92064
https://rankharvest.com

Marketing Agency with Focus on SEO from Poway, CA

Award-winning SEO and online marketing for businesses in competitive markets, difficult ranking challenges, product launches and damaged SEO.

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The Ad Firm

5151, California Avenue, Irvine, CA 92617
https://www.theadfirm.net

Marketing Agency with Focus on SEO from Irvine, CA

The Ad Firm is a digital marketing agency that offers SEO, web design, local SEO, PPC, and other digital marketing services. Call us at 866-247-0338

Current Milestones

  • #241Top Ranking SEO Company in California
  • #1,317Top Ranking SEO Company in the United States
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Inside Market Strategy

1875, Century Park East, Los Angeles, CA 90067
https://www.valleylawyermarketing.com

Marketing Agency with Focus on SEO from Los Angeles, CA

Lawyer marketing services for attorneys and law firms. Specializing in SEO for attorneys, local SEO, web design, and Google Adwords. Free consultation.

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Zupo

2852, West Bridgeport Avenue, Anaheim, CA 92804
https://zupo.co

Marketing Agency with Focus on SEO from Anaheim, CA

Zupo is a B2B SEO Agency that delivers customized & unique B2B SEO strategies for each client and business

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Seo Company Santa Monica

202, Bicknell Avenue, Santa Monica, CA 90405
https://seocompanysantamonica.com

Marketing Agency with Focus on SEO from Santa Monica, CA

That s right, Seo Company Santa Monica is a web design and SEO services company that generates 687% more revenue than the average agency

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Search Owls

3100, Airway Avenue, Costa Mesa, CA 92626
https://searchowls.com

Marketing Agency with Focus on SEO from Costa Mesa, CA

A Web Design & SEO Company in Costa Mesa We specialize in designing stunning websites search engine optimization & pay per click advertising with Google Ads

Current Milestones

  • #245Top Ranking SEO Company in California
  • #1,354Top Ranking SEO Company in the United States
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Perkolate Web Design & Internet Marketing

1017, El Camino Real, Redwood City, CA 94063
https://perkolate.com

Marketing Agency with Focus on SEO from Redwood City, CA

Perkolate offers professional Redwood City web design, responsive web design, internet marketing, website maintenance, social media, seo, and search engine optimization services in both Redwood City…

Current Milestones

  • #246Top Ranking SEO Company in California
  • #1,361Top Ranking SEO Company in the United States
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Adaptia

2292, Faraday Avenue, Carlsbad, CA 92008
https://www.adaptiadesign.com

Marketing Agency with Focus on SEO from Carlsbad, CA

Say hello to Adaptia, an SEO and digital marketing agency specializing in website design, SEO optimization, and content creation.

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Exact Latitude

235, East Broadway, Long Beach, CA 90802
https://exactlatitude.com

Marketing Agency with Focus on SEO from Long Beach, CA

The Premier Long Beach SEO/Digital Marketing Agency Welcome to our one-stop digital marketing shop! While our main focus is SEO, we provide a full range of...

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Web Reputation Builders

8880, Rio San Diego Drive, San Diego, CA 92108
https://www.web-design-seo-san-diego.com

Marketing Agency with Focus on SEO from San Diego, CA

We are the leading boutique Web Design, Search Engine Optimization (SEO) and Online Reputation Management firm based in San Diego, Ca. Contact us today!

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Marketing 720

1255, West Colton Avenue, Redlands, CA 92374
https://marketing720.com

Marketing Agency with Focus on SEO from Redlands, CA

Marketing720 provides digital marketing, online marketing solutions, SEO services, and local SEO expertise to drive your business forward and boost visibility.

Current Milestones

  • #250Top Ranking SEO Company in California
  • #1,383Top Ranking SEO Company in the United States
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