Top 100 SEO Companies in California
The Best of December 2025Looking for a top SEO firm in California?
Compare top-performing SEO agencies to see which may be the best fit for your business goals. Whether you're seeking to improve your ranking in search engine results pages, boost website traffic, or show up in local search results, investing in SEO is important for business growth.
To assist you in your search for a partner, we’ve compiled this list of the top SEO companies in California. Browse descriptions, feedback, and awards to find which can best suit your company’s needs.
List of the Best California SEO Firms
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$1,000+50 - 249 employeesSan Antonio, TXFunnel Boost Media is a SEO company. They are located in San Antonio, Texas; Doral, Florida; Boston, Massachusetts and San Francisco, California and have a midsize team that focuses on Search Engine Optimization, Advertising, Pay Per Click, and Web Design. The agency was launched in 2012.Read More
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$1,000+10 - 49 employeesNew York, NYSEO company NuStream is in New York, New York; Philadelphia, Pennsylvania and Allentown, Pennsylvania. They provide Search Engine Optimization, Web Design, Digital Strategy, and Video Production and were established in 2010.Read More
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391$1,000+2 - 9 employeesSan Francisco, CAShoutHaus is a SEO company. Located in San Francisco, California, the company was founded in 2018. Their services include Search Engine Optimization and Pay Per Click.Read More
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392$1,000+2 - 9 employeesSan Diego, CARankRabbit SEO is a SEO company. In San Diego, California and Beverly Hills, California, the agency specializes in Search Engine Optimization and Conversion Optimization.Read More
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393$1,000+50 - 249 employeesSanta Ana, CALocated in Santa Ana, California, BrandRep is a SEO agency. They specialize in Search Engine Optimization and Pay Per Click and were established in 2009.Read More
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394$5,000+10 - 49 employeesManteca, CARead More
Social Cali is an email marketing company in Manteca, California. The small team focuses on email marketing, search engine optimization, social media marketing, and web design and was established in 2005.
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395$5,000+2 - 9 employeesRosemead, CARead More
Lab 916 is a SEO agency. Established in 2016, the small firm is in Rosemead, California. Their services include search engine optimization, pay per click, and marketing strategy.
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396Undisclosed2 - 9 employeesSan Diego, CAEstablished in 2006, Krasovetz Consulting is a SEO agency. The team focuses on Search Engine Optimization and Social Media Marketing.Read More
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397$1,000+2 - 9 employeesRancho Cucamonga, CAWeb Market Pros is a small Rancho Cucamonga, California-based SEO company. Their services include Search Engine Optimization and Pay Per Click.Read More
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398$1,000+10 - 49 employeesBend, ORRead More
Zö agency is a small Advertising company. The Bend, Oregon-based firm was founded in 2013. Their team focuses on Advertising, Branding, Marketing Strategy, Digital Strategy, and more.
Clients
City of Bend - Houseless in Deschutes addresses misconceptions about the crisis of houselessness and the variety of complex factors that cause people to experience it. City of Medford - Rogue X Recreation Center Superbia - an LGBTQIA+ financial service aimed at making financial services more equitable and inclusive. Deschutes Brewery - we brought five craft beers to life in new markets and demographics.Industries
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399$1,000+2 - 9 employeesSan Francisco, CASEO agency Accountants SEO is headquartered in San Francisco, California. The team focuses on Search Engine Optimization and Pay Per Click.Read More
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400$5,000+10 - 49 employeesSanta Monica, CAI Think an Idea is a small SEO agency launched in 2009. Their services include Search Engine Optimization and Digital Strategy.Read More
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401$1,000+2 - 9 employeesSan Francisco, CAFounded in 2012, SF Website Design is a small web design agency located in San Francisco, California and San Francisco, California. Their team offers Web Design and UX/UI Design.Read More
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402$1,000+10 - 49 employeesLos Angeles, CAWeb design company Magma Rank is located in Los Angeles, California. They focus on Web Design and Search Engine Optimization.Read More
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403$1,000+50 - 249 employeesLos Angeles, CARead More
Founded in 2010, 180Fusion is a Los Angeles, CA-based digital marketing agency that serves small and enterprise businesses, with a particular focus on the hospitality industry. The team of nearly 50 employees is expert in national and local SEO, PPC, video, social media management, and conversion rate optimization.
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AAMCOIndustries
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404Undisclosed2 - 9 employeesSan Juan Capistrano, CABrooks Internet Marketing is a SEO agency launched in 2016. The team offers Search Engine Optimization and Content Writing Services and is located in San Juan Capistrano, California.Read More
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405Undisclosed2 - 9 employeesSan Francisco, CAPressRoom.ai is a SEO agency. Founded in 2018, the firm is located in San Francisco, California. Their services include Search Engine Optimization and Marketing Strategy.Read More
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406$1,000+Freelancer employeesLos Angeles, CAJemi SEO Firm is a SEO agency. Launched in 2019, their team offers Search Engine Optimization.Read More
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407$1,000+2 - 9 employeesLos Angeles, CALaunched in 2019, MSDN Solutions, Inc. Is a small web design company. Their services include Web Design and Web Development.Read More
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408$5,000+10 - 49 employeesLos Angeles, CADream Warrior Group is a custom software development company. Their team is based in Los Angeles, California and provides Custom Software Development and Conversion Optimization.Read More
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Disney ChannelIndustries
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409$5,000+2 - 9 employeesIrvine, CAWeb Design Studio Pro is a web design agency based in Irvine, California. The team focuses on Web Design and Search Engine Optimization.Read More
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410$5,000+10 - 49 employeesSacramento, CABright Valley Marketing, a PR firm, is based in Sacramento, California. They specialize in Public Relations and Search Engine Optimization.Read More
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BagitoIndustries
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411$1,000+2 - 9 employeesSanta Rosa, CANet101 is a pay per click company located in Santa Rosa, California. Established in 1995, the team offers Pay Per Click and Search Engine Optimization.Read More
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Obsidian Ridge WineryIndustries
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412$1,000+10 - 49 employeesSan Diego, CAInitium Marketing, a SEO services firm, was founded in 2020. They specializes in Search Engine Optimization and Pay Per Click.Read More
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413$5,000+2 - 9 employeesSan Luis Obispo, CALIFTOFF Digital is a web design company. Their team is headquartered in San Luis Obispo, California. The agency provides Web Design and Search Engine Optimization.Read More
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414$1,000+2 - 9 employeesTracy, CASEO company Devine Solutions Group-Marketing Agency was established in 2015. The small team focuses on Search Engine Optimization and Web Design.Read More
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415$5,000+10 - 49 employeesSan Diego, CASEO services firm Lion Bear Media offers Search Engine Optimization and Social Media Marketing. They were launched in 2012.Read More
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416Undisclosed50 - 249 employeesLos Angeles, CAEcomBack is a SEO services firm. Founded in 2020, the team specializes in Search Engine Optimization and Web Design.Read More
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417$5,000+10 - 49 employeesLos Angeles, CAFull Impact Studios - FIS Web Design is an e-commerce development firm established in 2007. The team specializes in E-Commerce Development and Search Engine Optimization.Read More
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418$1,000+2 - 9 employeesMurrieta, CASEO services firm The Mad Caddy is located in Murrieta, California. Their services include Search Engine Optimization and Conversion Optimization.Read More
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419$1,000+2 - 9 employeesSanta Monica, CAUpsurge Solutions is a SEO agency. They are located in Santa Monica, California and have small team. They provide Search Engine Optimization and Digital Strategy.Read More
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420$5,000+2 - 9 employeesNovato, CAKreativz., Inc. Is an Advertising company. They were founded in 2007, and their services include Advertising and Branding.Read More
Industries
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