Top 100 Inbound Marketing Agencies in California

KlientBoost is a digital advertising and PPC management company headquartered in Costa Mesa, Calif. Founded in 2015, the company has a team of 64 people who exclusively provide PPC, CRO, and social media marketing services. Their clients are mid-market businesses, but they work with some small and enterprise businesses. The businesses they serve are mainly in the business services and e-commerce industries. 
 

ATTN Agency is a full-service digital marketing agency founded in 2018 in San Diego. Their team of no more than 10 offers email marketing, social media marketing, and PPC solutions for small and mid-market firms in the fields of e-commerce, retail, and consumer products.

Amplitude Digital Inc. is a digital marketing agency headquartered in Los Angeles. The company specializes in PPC and SEO, and additionally provides digital marketing and social media marketing services. Their small team of 9 works with mid-market and enterprise businesses in mainly the health care & medical, media, and retail industries. 
 

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.

Located in Los Angeles, California, Social House, Inc. Is a graphic design company. The small team specializes in graphic design, public relations, social media marketing, and video production and was established in 2010.

Top Growth Marketing is a paid advertising company based in Los Angeles. Founded in 2015, they now have about 10 employees who support small and midmarket businesses in e-commerce. Services include digital strategy, PPC, and social media marketing. 

Small digital strategy company First Spark Digital, is based in San Diego, California. They offer digital strategy, social media marketing, content marketing, pay per click, and more and were established in 2019.

Stackmatix is a marketing consulting agency based in San Francisco. Established in 2018, there are two people on the team. Their services include digital strategy, social media marketing, and pay per click advertising.

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. 

Infinity Media is a social media marketing agency based in Los Angeles, California. Established in 2013, the small team provides social media marketing, digital strategy, email marketing, conversion optimization, and more.

Secret Sushi, Inc is a digital marketing agency, founded in 2006 and located in San Francisco. They comprise four employees specializing in customized digital marketing for small, mid-size, and global companies, primarily in IT, business services, consumer products, and education. Services include SMM, content marketing, lead generation, digital infrastructure, and MarTech consulting.

Half Past Nine is a marketing strategy company. Their small team is headquartered in Irvine, California and specializes in marketing strategy, social media marketing, pay per click, and BI & big data consulting & SI. The company was established in 2020.

eMaximize is a digital marketing agency based in Manhattan Beach, Calif. With fewer than 10 employees, the agency has specialized in SEO, social media marketing, branding, and more since 2008. They primarily serve small to mid-sized businesses alike in the hospitality, consumer products, and healthcare fields.

SiO Digital is an inbound marketing agency that was founded in 2015. They are headquartered in San Diego and have an office in Los Angeles. They currently have 14 employees and specialize in content marketing, SEO, and advertising. 

Founded in 2017, Sensters is a marketing company with around fifteen employees. They're headquartered in Kyiv, Ukraine and provide branding, email marketing, mobile and app marketing services to enterprise, midmarket, and small businesses.

Digital strategy company KWSM: a digital marketing agency is headquartered in Aliso Viejo, California; Las Vegas, Nevada; Atlanta, Georgia and San Diego, California. The small agency was established in 2010. Their team provides digital strategy, content marketing, conversion optimization, pay per click, and more.

CSTMR is a digital marketing firm that is located in Austin, Texas. The team of about 6 employees has been specializing in web design and development since the firm was founded in 2014. CSTMR also offers UI/UX design services to its clients.  

Tendo Communications is a content marketing company. They specialize in content marketing, digital strategy, marketing strategy, ux/ui design, and more and were established in 1999. Their small team is San Francisco, California-based.

eBoost Consulting is a full-service digital marketing firm established in 2005 in Carlsbad, Calif. They have about 12 employees and a satellite office in Boulder, Colo. eBoost Consulting provides social media marketing and PPC services to small- and medium-sized businesses across a range of different industries.

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.

Marketing strategy company ChuckJoe was founded in 2016. The small team specializes in marketing strategy, media planning & buying, social media marketing, content marketing, and more. The agency is in Los Angeles, California.

Beyond 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.

Brand Perfect Digital is a social media marketing company. They are headquartered in Los Angeles, California and have a small team. The agency specializes in social media marketing, pay per click, digital strategy, and conversion optimization.

Founded in 2011, Spectrum Group Online is a digital marketing agency that prides itself on transparency and effective strategies. Based in San Francisco, its 8 person team provides  SEO, PPC, web design, social media, and content marketing solutions to their small business customers.

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

Zammo Digital, a PPC agency, was established in 2008. They are in Los Angeles, California and have a small team. Zammo Digital offers pay per click, conversion optimization, social media marketing, and digital strategy.

Human Marketing is an inbound marketing agency from Irvine, Calif. It was founded in 2015 and currently employs a team of 14 people. Human Marketing provides a range of services including content marketing, email marketing, web design, UX/UI design, SEO, and PPC.

Inbox Attack is a group of email marketing agencies based in Rowlett, Texas, with offices in Glendale and Oceanside, Calif. The group, founded in 2009, has a team of less than ten that provides email marketing services to e-commerce and other companies.

Founded in 2006, RSO Consulting is a full-service advertising and marketing firm. Based in San Francisco and with offices in Spain, RSO commits to each customer with personalized service. Their team over 10 specializes in SEO, PPC, analytics consulting, digital strategy, and social media marketing. 

Skies Fall is a small social media marketing firm. Established in 2008, the team specializes in social media marketing, video production, digital strategy, branding, and more. The firm is in Los Angeles, California and Milwaukee, Wisconsin.