Top 100 SEO Companies in California

Headquartered outside Los Angeles in Culver City, CA, Coalition Technologies specializes in SEO and PPC but also offers web design, e-commerce development, and WordPress development. With additional offices in Austin, TX and Seattle, WA, Coalition Technologies has grown to a team of 100+ since its founding in 2009.

Ignite Visibility is one of the highest awarded digital marketing agency in the industry, specializing in digital marketing strategy, SEO, paid media, social media, email marketing, analytics, Amazon, and CRO. Ignite Visibility has used the same strategies they use for clients to become a four-time Inc. 5000 company (2017, 2018, 2019 and 2020). Ignite Visibility is led by leading industry expert John Lincoln, has over 110 full-time employees and offers a proprietary digital marketing forecasting system allowing clients to consistently hit quarterly goals.

A San Francisco, CA-based SEO services company, Victorious has been around since 2012. With a team of 25 employees, they deliver huge returns for their clients. They offer help clients with on-site and local search optimization, link building and content development.  

Zupo is an SEO consulting agency based in Anaheim, Calif. This company was founded in 2019 and has three employees. Zupo exclusively specializes in SEO services for small and medium-sized businesses.

NextLeft, founded in 2016, is a digital content marketing and SEO agency. The company’s mission is to rid the world of digital clutter by creating the helpful, relevant content people are searching for online. Headquartered in sunny San Diego, NextLeft's team of 14 full-time SEO & Content Strategists amplify the world’s most loved brands.

Titan Growth is a marketing and advertising firm based in San Diego, Calif. and founded in 2004. Titan Growth's team of about 45 employees primarily offers digital strategy services, although it also offers search engine optimization and pay per click services. 

LawRank is a legal marketing agency based in Los Angeles, with additional offices in San Diego and New York. Founded in 2013, LawRank has four employees. This company offers SEO, PPC, and web design services for lawyers across the US.

In Manhattan Beach, California, Beardog Digital is a small SEO company. They provide search engine optimization, logo, social media marketing, and web design and were launched in 2023.

SEO services firm Digital Web Solutions was founded in 2005. The midsize team focuses on search engine optimization, pay per click, web development, and content writing services. The company is based in Newark, Delaware.

SEO Inc. is an internet marketing company based in Carlsbad, CA – right outside San Diego. With over 20 years, of experience, the team of nearly 500 employees specializes in organic SEO for small, mid-market, and enterprise businesses.

GR0 is a digital marketing agency founded in 2020 in Los Angeles with over 10 employees. They provide SEO solutions to various clients.

Wiideman Consulting Group is a marketing and advertising agency founded in 2015. Located in La Mirada, Calif., their team of about 15 employees specializes in providing SEO and marketing strategy services and consulting chiefly to small and medium-sized businesses across various industries. Other services include audits, search engine marketing, and more. 

Bliss Drive is a digital marketing company based in Los Angeles with a secondary office in Irvine, Calif. Bliss Drive was founded in 2007 and now features a team of about a dozen employees providing SEO, PPC, web design, digital strategy, and conversion optimization services.

Launched in 2015, Hennessey Digital is a midsize SEO company. Their services include search engine optimization, pay per click, ux/ui design, content marketing, and more. The company is in Los Angeles, California.

SEO company iLawyerMarketing was founded in 2006. Based in San Diego, California, their midsize team specializes in search engine optimization, pay per click, and web design.

Reporter Outreach is a PR agency and SEO services firm established in 2017. Their small team is in San Diego, California. The agency offers public relations and search engine optimization.

Shoreline Media Marketing is an SEO strategy company based in Asbury Park, N.J., with a secondary location in Los Angeles. Founded in 2010, this company has 10 employees. Services provided by Shoreline Media Marketing include web development, SEO, and marketing automation for small to mid-sized businesses.

ELK Marketing, a SEO agency, was established in 2018. The small team focuses on search engine optimization, marketing strategy, and pay per click. The firm is based in West Hollywood, California.

Power Digital is a digital marketing agency based in San Diego with an office in New York. The agency, founded in 2012, has more than 300 employees and provides content marketing, email marketing, PPC, SEO, social media marketing, web design, and PR services. Power Digital serves mid-market and other-sized companies in the consumer products & services, advertising & marketing, business services, and retail industries. 

Bruce Clay, Inc. is a digital marketing agency headquartered in Simi Valley, CA, with additional offices in Switzerland, India, and Japan. The agency and its 85+ employees have experience with social media marketing, PPC, and SEO.

SeoTuners is an SEO company based in Thousand Oaks, Calif. Founded in 2009, this company has 14 employees. SeoTuners exclusively deals in SEO services for small to mid-sized businesses.

Search Nurture is a full-stack digital marketing agency headquartered in Oakland, California. Founded in 2017, their team of approximately 17 employees serves clients of all sizes, primarily in the business services and retail sectors. Their specialties are SEO, PPC, and digital advertising.

Jives Media is a marketing agency based in San Francisco. Since 2012, they have offered their services in advertising, email marketing, and SEO solutions for small and medium-sized businesses alike. The team of 10 includes web designers, growth hackers, and brand strategists.

Digital marketing agency Window To Recovery is headquartered in Costa Mesa, Calif. Since 2017, their small team of 2 has been specializing in digital strategy, SEO, web design, advertising, and more. 

Wise Digital Partners is a San Diego, California-based SEO agency. The agency provides search engine optimization, pay per click, web design, ux/ui design, and more and is small.The agency was founded in 2016.

Search Engine Projects is an internet marketing firm based in Anaheim, Calif. Founded in 2004, the team of 3 specializes in SEO, PPC, and social media marketing. They work with clients primarily in the dental, transportation, and health care and medical industries.

HawkSEM is experienced with all search engine marketing services, from SEO to PPC to social media marketing to conversion optimization. Established in 2006, HawkSEM is a 17-person team that works from an office in Los Angeles. They take on business clients of all sizes – small, mid-market, and enterprise.

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. 

Storm Brain is a digital agency of under ten expert resources. With satellite offices in Costa Mesa and Santa Monica, Calif., it’s headquarters are in San Diego. Founded in 2001, Storm Brain offers web design, web development, SEO, and social media marketing services for clients across a wide range of industries including education and healthcare. 

Wytlabs is a SEO services firm. Established in 2015, the midsize company is in San Jose, California. Their services include search engine optimization, pay per click, and web development.