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Top 1,273 SEO Agencies in California | October 2026

Best SEO Companies in California, USA

Emergent Digital

3995, Denver Drive, La Mesa, CA 91941
https://emergentdigital.com

Marketing Agency with Focus on SEO from La Mesa, CA

Emergent Digital is a boutique digital marketing agency based in San Diego. Emergent provides profitable customer acquisition for our clients by combining world-class campaign strategy and execution…

Current Milestones

  • #4Top Ranking SEO Company in La Mesa, CA
  • #901Top Ranking SEO Company in California
  • #5,525Top Ranking SEO Company in the United States
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Your Essential Techs

1201, Avocado Avenue, El Cajon, CA 92020
https://www.youressentialtechs.com

Marketing Agency with Focus on SEO from El Cajon, CA

Welcome to Your Essential Techs! We are a Digital Marketing Agency with focus on SEO from El Cajon, CA

Current Milestones

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Waltman Design

1596, North Coast Highway 101, Encinitas, CA 92024
https://waltmandesign.com

Marketing Agency with Focus on SEO from Encinitas, CA

Waltman Design is an Encinitas Web Design and Website Development Agency. We specialize in building Responsive WordPress Websites for Local Small Businesses.

Current Milestones

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Digital Marketing Consultant

322, Encinitas Boulevard, Encinitas, CA 92024
https://codybollerman.com

Marketing Agency with Focus on SEO from Encinitas, CA

Welcome to Digital Marketing Consultant! We are a Digital Marketing Agency with focus on SEO from Encinitas, CA

Current Milestones

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Libre Design & Digital

829, 2nd Street, Encinitas, CA 92024
https://libredesign.com

Marketing Agency with Focus on SEO from Encinitas, CA

Welcome to Libre Design & Digital! We are a Digital Marketing Agency with focus on SEO from Encinitas, CA

Current Milestones

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Anderson

12650, Danielson Court, Poway, CA 92064
https://www.andersondd.com

Marketing Agency with Focus on SEO from Poway, CA

Anderson is a full-service marketing company offering direct mail, creative, and interactive services to our clients nationwide.

Current Milestones

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Greenhaus

337, South Cedros Avenue, Solana Beach, CA 92075
https://www.greenhaus.agency

Marketing Agency with Focus on SEO from Solana Beach, CA

As a premier marketing and advertising agency with 20+ years of experience, Greenhaus brings your brand to life and drives customers to your door.

Current Milestones

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Chic Execs

820, Los Vallecitos Boulevard, San Marcos, CA 92078
https://www.chicexecs.com

Marketing Agency with Focus on SEO from San Marcos, CA

Welcome to Chic Execs! We are a Digital Marketing Agency with focus on SEO from San Marcos, CA

Current Milestones

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Smilevolve

600, B Street, San Diego, CA 92101
https://www.smilevolve.com

Marketing Agency with Focus on SEO from San Diego, CA

Smilevolve is a leading Orthodontic and Oral Surgery AI Marketing agency, delivering high-value dental cases to Orthodontists & Oral Surgeons.

Current Milestones

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Red Door Interactive

2436, Market Street, San Diego, CA 92102
https://www.reddoor.biz

Marketing Agency with Focus on SEO from San Diego, CA

RDI is a digital marketing agency in San Diego. See how our award-winning organic, paid, technical and creative services deliver breakthrough brand solutions.

Current Milestones

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Alliance Innovations

2305, Historic Decatur Road, San Diego, CA 92106
https://www.allianceinnovations.com

Marketing Agency with Focus on SEO from San Diego, CA

Alliance Innovations is a digital agency specializing in building innovative DXP solutions.

Current Milestones

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JMH Marketing Group

1050, Rosecrans Street, San Diego, CA 92106
https://jmhmarketinggroup.com

Marketing Agency with Focus on SEO from San Diego, CA

JMH Marketing Group - James Hickey - Digital Marketing Strategist

Current Milestones

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NickTrep Designs

3130, Garrison Street, San Diego, CA 92106
https://nicktrep.com

Marketing Agency with Focus on SEO from San Diego, CA

Transform your digital presence with NickTrep's bespoke website and product design services. Specializing in creating visually stunning, user-friendly designs, we empower startups and established…

Current Milestones

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Rank N Bank

4629, Cass Street, San Diego, CA 92109
https://www.ranknbank.co

Marketing Agency with Focus on SEO from San Diego, CA

Rank N Bank is an Amazon advertising agency committed to providing personal service, clear communication and custom solutions with simple pricing.

Current Milestones

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Gibbard Web Design

1860, Goldfield Street, San Diego, CA 92110
https://www.gibbardwebdesign.com

Marketing Agency with Focus on SEO from San Diego, CA

I build cool websites and develop geeky stuff. Over 15 years of breaking and fixing the web.

Current Milestones

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Web Design Solutions

3760, Convoy Street, San Diego, CA 92111
https:/webshopmanager.com/san-diego-b2b-ecommerce-platform

Marketing Agency with Focus on SEO from San Diego, CA

Web Design Solutions, an award winning web design company in San Diego, California. Since 2000, the best eCommerce website development solution for your responsive online store.

Current Milestones

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Creatable, Inc.

6827, Nancy Ridge Drive, San Diego, CA 92121
https:/www.creatable.com

Marketing Agency with Focus on SEO from San Diego, CA

Creatable provides a complete solution for managing the whole process of tying social media posts from influencers to products on a brands sites.

Current Milestones

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Hurrikan Logic

6665, Nancy Ridge Drive, San Diego, CA 92121
http://www.hurrikanlogic.com

Marketing Agency with Focus on SEO from San Diego, CA

Hurrikan Logic is a software and business consultancy committed to absolute value for our customers and turning ideas into reality.

Current Milestones

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AMB Solutions

9747, Businesspark Avenue, San Diego, CA 92131
https://www.ambsolutions.com

Marketing Agency with Focus on SEO from San Diego, CA

Welcome to AMB Solutions! We are a Digital Marketing Agency with focus on SEO from San Diego, CA

Current Milestones

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Hounder

18, East State Street, Redlands, CA 92373
https://hounder.co

Marketing Agency with Focus on SEO from Redlands, CA

Hounder is a California-based team of Drupal and WordPress experts offering consulting, web design, development, digital marketing, and training services to help clients achieve success.

Current Milestones

  • #920Top Ranking SEO Company in California
  • #5,544Top Ranking SEO Company in the United States
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emarcom, inc

4521, Campus Drive, Irvine, CA 92612
https://emarcom.com

Marketing Agency with Focus on SEO from Irvine, CA

Emarcom is a digital marketing consulting company specializing in website accessibility, sales journey design, website development, and more.

Current Milestones

  • #921Top Ranking SEO Company in California
  • #5,545Top Ranking SEO Company in the United States
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Float Media House

2600, Michelson Drive, Irvine, CA 92612
https://www.floatmediahouse.com

Marketing Agency with Focus on SEO from Irvine, CA

Experience unparalleled excellence in media buying with Float Media House, a White Glove Digital Agency dedicated to maximizing your brand's reach and ROI. With exclusive access to cutting-edge…

Current Milestones

  • #922Top Ranking SEO Company in California
  • #5,546Top Ranking SEO Company in the United States
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Moxie Marketing Agency

2082, Michelson Drive, Irvine, CA 92612
https://www.moxie.marketing

Marketing Agency with Focus on SEO from Irvine, CA

Marketing with heart. Moxie Marketing Agency helps nonprofits and causes build relationships through strategic digital marketing and advertising campaigns.

Current Milestones

  • #923Top Ranking SEO Company in California
  • #5,547Top Ranking SEO Company in the United States
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Phoenix Afterglow

7545, Irvine Center Drive, Irvine, CA 92618
https://phoenixafterglow.com

Marketing Agency with Focus on SEO from Irvine, CA

Phoenix Afterglow is a full-stack web and App development company in Massachusetts specializing in custom website development, mobile app development, and Digital Marketing.

Current Milestones

  • #924Top Ranking SEO Company in California
  • #5,548Top Ranking SEO Company in the United States
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Rhino Web Group, LLC

7700, Irvine Center Drive, Irvine, CA 92618
https://www.rhinowebgroup.com

Marketing Agency with Focus on SEO from Irvine, CA

Rhino Web Group is a B2B marketing agency, specializing in the growth of industrial brands with optimized web strategies to generate leads. Begin today!

Current Milestones

  • #925Top Ranking SEO Company in California
  • #5,549Top Ranking SEO Company in the United States
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