The digital advertising realm in California is teeming with innovative firms that leverage latest technology to boost their clients' online presence and better their business performance. These companies offer diverse high-end services such as search marketing, SEO, website optimization, social media marketing, email marketing, and retargeting campaigns. With the accelerating online market landscape, these firms are progressively enhancing their machine learning capabilities to deliver more tailored, result-oriented strategies. The industry's trajectory points towards higher advanced integration of data insight to generate impactful campaigns and higher conversions.


Top 20 digital advertising companies in California

1. ReachLocal

  • Website: reachlocal.com
  • Headquarters: Woodland Hills, California, United States
  • Founded: 2004
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

ReachLocal.com is a digital marketing company that offers services to help businesses improve their online presence and attract more customers. Their services include search advertising, SEO, website optimization, social media marketing, and email marketing.


2. AdRoll, a division of NextRoll

  • Website: adroll.com
  • Headquarters: San Francisco, California, United States
  • Founded: 2007
  • Headcount: 501-1000
  • LinkedIn

AdRoll is a marketing platform that uses powerful machine learning to attract the right customers to your site and increase conversions. They offer retargeting and brand awareness ads, as well as connected social ads and email marketing.


3. Rakuten Marketing

Rakuten Marketing is a company that offers performance marketing services to businesses. They help companies increase their online sales through targeted advertising campaigns, affiliate marketing, and data-driven insights.


4. Amobee

  • Website: amobee.com
  • Headquarters: Redwood City, California, United States
  • Founded: 2005
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Amobee is a leading DSP for advertisers and agencies, offering a unified platform for TV, programmatic, digital, and social advertising. They optimize cross-channel campaigns by delivering meaningful messages that drive sales. Their platform allows advertisers to engage audiences across all media and measure audiences holistically to make better decisions. Amobee helps customers optimize their advertising campaigns with unified workflows for planning, buying, and measurement.


5. Liftoff Mobile

  • Website: liftoff.io
  • Headquarters: Redwood City, California, United States
  • Founded: 2012
  • Headcount: 501-1000
  • Latest funding type: Acquired
  • LinkedIn

Liftoff is a company that specializes in programmatic user acquisition and re-engagement for mobile apps. They help marketers find high-quality users who generate revenue for their apps through meaningful actions like purchases and bookings. Liftoff offers a comprehensive solution for app growth, delivering engaging ad experiences and optimizing towards user lifetime value goals.


6. Wpromote

  • Website: wpromote.com
  • Headquarters: El Segundo, California, United States
  • Founded: 2001
  • Headcount: 201-500
  • Latest funding type: Private Equity
  • LinkedIn

Wpromote is a digital marketing agency that harnesses the predictive power of content and SEO to adapt to customer needs. They offer strategy and planning services to measure marketing success based on profits and the bottom line. With expertise in creative conversion rate optimization and converged TV, they drive breakthrough media performance and transformative business growth.


7. Marin Software

  • Website: marinsoftware.com
  • Headquarters: San Francisco, California, United States
  • Founded: 2006
  • Headcount: 501-1000
  • Latest funding type: Ipo
  • LinkedIn

Marin Software is an online ad management software company that helps businesses maximize the return on their marketing dollars. Their Budget Optimizer tool automates campaign management and helps reduce repetitive work, while their performance marketing experts drive extraordinary results. They offer solutions for search ads, social ads, retail/eCommerce, and app advertising.


8. Pinterest

  • Website: pinterest.com
  • Headquarters: San Francisco, California, United States
  • Founded: 2010
  • Headcount: 1001-5000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Pinterest is a platform where users can explore new ideas and try new things. With a Pinterest business account, users gain access to special content formats, custom analytics, and more.


9. Akqa

  • Website: akqa.com
  • Headquarters: San Francisco, California, United States
  • Founded: 1994
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

AKQA is a global company that provides creative and innovative solutions to brands and businesses. They specialize in harnessing the power of artificial intelligence and technology to deliver impactful campaigns and experiences. With a focus on sustainability and community, AKQA is dedicated to pushing boundaries and creating memorable brand interactions.


10. Internet Brands

  • Website: internetbrands.com
  • Headquarters: El Segundo, California, United States
  • Founded: 1998
  • Headcount: 1001-5000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

Internet Brands is a company that provides online solutions and services to various industries. They offer a range of products and tools to help businesses establish a strong online presence and improve their digital marketing strategies.


11. Rakuten Advertising

Rakuten Advertising is a global advertising network that connects brands, partners, and people to drive growth and achieve objectives. With over 25+ years of expertise, they offer high-performing partnerships and flexible technology solutions for monetization and automation.


12. Cj

  • Website: cj.com
  • Headquarters: Santa Barbara, California, United States
  • Founded: 1998
  • Headcount: 501-1000
  • LinkedIn

CJ.com is a global affiliate marketing platform that connects brands with publishers to drive sales and promote products/services.


13. Centerfield

  • Website: centerfield.com
  • Headquarters: Los Angeles, California, United States
  • Founded: 2011
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Centerfield is a company that offers personalized buying experiences for customers across various devices. They provide expert sales agents to assist shoppers when they are ready to make a purchase.


14. Bay Area News Group

Bay Area News Group is a digital marketing company that provides technology-driven advertising solutions to help businesses grow online.


15. Power Digital Marketing

Power Digital is a marketing agency that offers customized reports, real-time digital strategy shifts, and uses machine learning to dominate your space. They are an extension of your team, integrating seamlessly with your business to drive impact on the bottom line.


16. SEO Inc

  • Website: seoinc.com
  • Headquarters: Carlsbad, California, United States
  • Founded: 1997
  • Headcount: 51-200
  • LinkedIn

SEO Inc. is an SEO Company and Paid Search experts aiming to help businesses improve their online presence in search and social media to acquire new customers, increase revenue, and build their brand online.


17. Target Media Partners

Target Media Partners is a digital advertising agency that provides print and digital advertising solutions to local customers and markets. They offer superior tools, products, and advice to help businesses increase store sales and reach desired customers through geofencing, display advertising, video advertising, local search, and more.


18. Goodby Silverstein & Partners

Goodby Silverstein & Partners is a creative advertising agency that works with a diverse range of clients. They offer services such as integrated advertising, experiential marketing, and social media campaigns.


19. Innocean Usa

  • Website: innoceanusa.com
  • Headquarters: Huntington Beach, California, United States
  • Founded: 2005
  • Headcount: 201-500
  • LinkedIn

Innocean USA is a full-service ad agency that specializes in delivering creative solutions to drive brand messaging and reach target audiences. With a focus on listening to clients and understanding their needs, Innocean USA uses data-driven insights and innovative strategies to help businesses stand out in a competitive market.


20. Allied Global Marketing

Allied Global Marketing is a company driving the future of culture on every screen. They offer video and content production, VR and AR technology, presentation materials, and various marketing solutions.


Want to find more digital advertising companies?


If you want to find more companies that offer services like website optimization, SEO, and targeted advertising you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
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...and a lot more!