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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61$25,000+10 - 49 employeesSan Francisco, CARead More
Marketing Strategy company Tendo Communications was launched in 1999. Headquartered in San Francisco, California and Washington, District of Columbia, their small team specializes in Marketing Strategy, Digital Strategy, Content Marketing, Content Writing Services, and more.
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62$1,000+10 - 49 employeesLafayette, CARead More
10 Plus Brand, Inc., an advertising company, was established in 2011. Their small team is located in Lafayette, California. The company focuses on advertising, branding, logo, video production, and more.
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63$1,000+10 - 49 employeesGlendale, CARead More
SEO American is a SEO firm that’s headquartered in Glendale, Calif and was founded in 2014. The one person firm provides SEO services, web development, and digital strategies to mid market and enterprise companies in the health care, business services, real estate, and dental industries.
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S-Team LAIndustries
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64$5,000+2 - 9 employeesSacramento, CARead More
Lockedown Design & SEO is a digital agency in Sacramento, Calif. Founded in 2012, they’re a freelancer who serves small businesses in the manufacturing and business sectors. Services include SEO, web design, and content marketing.
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Raptor Blasting Systems LLCIndustries
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65$5,000+10 - 49 employeesFresno, CARead More
Softception is a SEO services firm in Fresno, California. Launched in 2015, the small team provides search engine optimization, web development, pay per click, social media marketing, and more.
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66$5,000+10 - 49 employeesSausalito, CAVonnda is an e-commerce development firm located in Sausalito, California. Launched in 2010, the small team provides E-Commerce Development, Web Design, Web Development, Search Engine Optimization, and more.Read More
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Riverence SmarkLifeco de Négoce Barrel ShoppeIndustries
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67$10,000+10 - 49 employeesLos Angeles, CANMG Technologies USA is a mobile application development firm. Their small team is in Los Angeles, California and offers Mobile App Development, Custom Software Development, Search Engine Optimization, and Web Development. The firm was established in 2015.Read More
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68$10,000+2 - 9 employeesLos Angeles, CARead More
Ripe Media is a full-service digital agency based in Los Angeles. Founded in 2003, the small team of six specializes in web design, app development, and design to create interactive and digital products for their clients.
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USCIndustries
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69$50,000+250 - 999 employeesSan Francisco, CARead More
3Q Digital is a digital marketing and strategic consulting agency headquartered in San Mateo, Calif. with additional offices in San Diego, San Francisco, Chicago, New York, Burlington, Vt., Austin, Texas, and Raleigh, N.C. Their staff consists of over 250 experts in SEO, social media marketing, and analytics.
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Eventbrite -
70$5,000+2 - 9 employeesBurbank, CARead More
Elevate My Brand(EMB), founded in 2010, works with B2B and B2C businesses using strategies that help the client achieve advertising and marketing goals. With a focus on event marketing, digital strategy, and social media marketing, a team of 9 at EMB works with clients in the business, IT, social media, and healthcare spaces.
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FacebookIndustries
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71$10,000+10 - 49 employeesSan Francisco, CARead More
Founded in 2003, Propane is a digital agency with a focus on strategy. They have 20 employees in their San Francisco office, who together compose an efficient team of designers, developers, and marketers equipped to create digital solutions. With an emphasis on distinct branding, Propane offers consulting services, custom software and web development, and social media marketing.
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Kaiser PermanenteIndustries
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72Undisclosed2 - 9 employeesOakland, CARead More
Artsy Geek is a boutique web and marketing agency headquartered in Oakland, California with another office in Seattle. The team specializes in integrated marketing, web development, graphic design, internet marketing and social media. Comprised of less than 10 employees, Artsy Geek is a team of skilled designers, marketers, and coders. Founded in 2011, it collaborates with clients to build and grow their brand identities for a strengthened online presence.
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Fistula FoundationIndustries
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73$10,000+10 - 49 employeesSan Francisco, CAUpgrow is a pay per click agency founded in 2018. The small San Francisco, California-based team focuses on Pay Per Click, Search Engine Optimization, Digital Strategy, Social Media Marketing, and more.Read More
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MemSQLIndustries
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74$5,000+10 - 49 employeesSan Diego, CAKanbar Digital, LLC is a Digital Strategy company in San Diego, California and Las Vegas, Nevada. The small team specializes in Digital Strategy, Search Engine Optimization, Social Media Marketing, Pay Per Click, and more and was founded in 2021.Read More
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DOORDASHIndustries
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75$1,000+2 - 9 employeesFremont, CARead More
Jose Angelo Studios is a content marketing agency, founded in 2017 and located in San Francisco. They comprise five employees specializing in content creation, SEO, PPC, and digital marketing campaigns for a variety of online companies. Services include articles, videos, social content, backlink campaigning, website auditing, lead generation, and SMM.
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BrandlyIndustries
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76$1,000+10 - 49 employeesCosta Mesa, CABrandastic.com is a Digital Strategy company based in Costa Mesa, California; Los Angeles, California and Austin, Texas. They focus on Digital Strategy, Pay Per Click, Social Media Marketing, Search Engine Optimization, and more and were established in 2010.Read More
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77Undisclosed2 - 9 employeesSan Diego, CARunningfish is a SEO company established in 2003. Their small team is located in San Diego, California. The agency offers Search Engine Optimization, Web Design, Web Development, Content Marketing, and more.Read More
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Bamboo SkateboardsIndustries
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78$5,000+10 - 49 employeesCalabasas, CAEstablished in 2017, AlchemyLeads SEO is a SEO services firm. Their small team is headquartered in Calabasas, California and Middletown, Delaware and offers Search Engine Optimization, Content Marketing, Conversion Optimization, Pay Per Click, and more.Read More
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Scorpion Protective CoatingsIndustries
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79$1,000+10 - 49 employeesPasadena, CARead More
PX Media is a boutique marketing firm based in Pasadena, Calif., with satellite offices in Los Angeles and San Diego, Calif. Founded in 2001, PX Media has fewer than 5 employees. The firm specializes in web development and SEO services.
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Roger PerryIndustries
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80$5,000+2 - 9 employeesLake Elsinore, CARead More
Dray Web Services is a SEO services firm. Established in 2018, the team specializes in search engine optimization, pay per click, social media marketing, web design, and more. Their small agency is Vista, California-based.
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81$10,000+250 - 999 employeesEl Segundo, CARead More
This California-based company specializes in customer acquisition and digital marketing. The 250+ team is ever-growing and passionate about delivering digital campaigns that their clients can be proud of.
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VerizonIndustries
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82$5,000+50 - 249 employeesIrvine, CARead More
Reputation Management Consultants is a PR agency based in Irvine, Calif. and was founded in 2009. They have a team of 22 employees who specialize in public relations.
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83Undisclosed250 - 999 employeesIrvine, CASilk Software is an e-commerce development company established in 2007. Their midsize team is based in Irvine, California and New York, New York. Their services include E-Commerce Development, ERP consulting and SI, Social Media Marketing, Search Engine Optimization, and more.Read More
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AllbirdsIndustries
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84$10,000+10 - 49 employeesCamarillo, CAMarketing Maven is a PR agency. In Camarillo, California and New York, New York, their small team focuses on Public Relations, Market Research, Social Media Marketing, Content Marketing, and more. The company was established in 2009.Read More
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Kingston TechnologyIndustries
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85$10,000+10 - 49 employeesSan Diego, CARead More
Since 2014, Brandetize have worked with clients providing digital strategies, content marketing, SEO, social media marketing and conversion optimization services. Headquartered in San Diego, a team of 50 focus client efforts on Facebook Advertising, Google AdWords, Instagram advertising, and influencer marketing
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The Good Feet StoreIndustries
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86$5,000+50 - 249 employeesSanta Monica, CARead More
Digital strategy company Hylink Digital was established in 1994. The midsize team offers digital strategy, mobile app development, mobile & app marketing, search engine optimization, and more. The firm is headquartered in Santa Monica, California and Kowloon, Hong Kong.
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87$5,000+10 - 49 employeesIrvine, CABeyond Fifteen Communications Inc. Is a public relations company and social media marketing firm founded in 2009. The firm provides public relations and social media marketing and has a small team.Read More
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88$1,000+10 - 49 employeesCovina, CARead More
Milyon Digital is a SEO agency founded in 2022. The agency provides search engine optimization, branding, digital strategy, social media marketing, and more and has a small team.
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89$5,000+10 - 49 employeesLos Angeles, CARead More
Advertising company Yourhouse Marketing was launched in 2022. The small Los Angeles, California-based team offers advertising.
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90$1,000+10 - 49 employeesSan Diego, CARead More
Advertising company Opel Solutions Inc was established in 2020. The small San Diego, California-based team provides advertising, branding, social media marketing, search engine optimization, and more.
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