California's advertising companies are pivotal to crafting brand narratives, shaping public perceptions, and enhancing client visibility. They span a spectrum from global agencies to boutique firms, often specializing in digital media, brand strategy, and creative campaigns. Recent trends indicate a growing focus on data-driven marketing and social responsibility, as brands seek genuine connections with consumers. The industry is on a transformative journey, embracing technology's rapid evolution, such as AI and social media, to meet consumer needs. Insights reveal a surging demand for advertising that resonates and engages audiences on a deeper level, providing opportunities for innovation and creativity.

The companies in this list showcase remarkable growth, with employee counts ranging from small teams to large agencies. Their headquarters span across prominent locales in California, such as Los Angeles and San Francisco, reflecting the state's dynamic industry presence. Founded between 1948 and 2016, these firms exhibit varied specializations, including digital marketing, public relations, and brand strategy. Each organization contributes uniquely to the advertising sphere, collaborating with diverse clients and delivering tailored services that address contemporary market demands.

Continue reading to explore the top advertising companies in California.

Top 21 Advertising Companies Companies in California

1. Rpa

• Website: rpa.com
• Ownership type: Private
• Headquarters: Santa Monica, California, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Founded year: 1986
• Headcount: 501-1000
• LinkedIn: rpa

RPA, based in Santa Monica, California, is an advertising and marketing agency founded in 1986. With a workforce of over 1,200 employees, the company specializes in providing a wide range of marketing solutions tailored to the unique needs of its clients. RPA's services include digital marketing, media planning, creative strategy, and analytics. The agency has worked across various industries, showcasing its ability to adapt and innovate. Notable campaigns include partnerships with Homes.com, where they launched a memorable Super Bowl campaign, and La-Z-Boy, where they integrated brand messaging with popular television programming. RPA's commitment to enhancing brand presence and connecting with audiences effectively underscores its relevance in the advertising sector.

2. Innocean Usa

• Website: innoceanusa.com
• Ownership type: Private
• Headquarters: Huntington Beach, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2005
• Headcount: 201-500
• LinkedIn: innocean-usa

Innocean USA is an advertising agency based in Huntington Beach, California, established in 2005. The company specializes in creative marketing strategies and brand development, primarily serving businesses in the automotive sector. Innocean USA is known for its innovative advertising solutions that aim to enhance brand visibility and market engagement. Their portfolio includes notable campaigns for Hyundai, such as 'It’s OK' and 'Conquer the Weekend', which highlight their ability to connect with consumers through compelling storytelling and creative execution. With a workforce of approximately 658 employees, Innocean USA continues to play a significant role in the advertising industry, focusing on fostering brand love and consumer engagement through strategic marketing initiatives.

3. Goodby Silverstein & Partners

• Website: goodbysilverstein.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1983
• Headcount: 201-500
• LinkedIn: goodby-silverstein-%26-partners

Goodby Silverstein & Partners, based in San Francisco, California, is an advertising agency that specializes in crafting innovative marketing strategies and advertising campaigns. Founded in 1983 by Jeff Goodby and Rich Silverstein, the agency has built a reputation for its creative prowess and effectiveness in enhancing brand visibility. With a workforce of approximately 378 employees, GS&P serves a variety of clients, including major brands like BMW, Xfinity, and Mtn Dew. The agency has been recognized for its impactful work, receiving accolades such as the Most Innovative Ad Agency of the Year from Fast Company. Their approach emphasizes creativity as a means to solve business problems, and they actively engage in social issues, demonstrating a commitment to making a positive impact through their campaigns. GS&P operates primarily in the advertising and marketing sectors, with a focus on delivering results that resonate with consumers.

4. Butler, Shine, Stern & Partners

• Website: bssp.com
• Ownership type: Private
• Headquarters: Sausalito, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1993
• Headcount: 51-200
• LinkedIn: bssp

Butler, Shine, Stern & Partners (BSSP) is a private advertising agency based in Sausalito, California, with a workforce of approximately 86 employees. Founded in 1993, BSSP specializes in creative services, media planning, and brand strategy. The agency adopts an 'Outside-In' philosophy, which emphasizes understanding consumer insights to drive impactful advertising campaigns. BSSP has collaborated with a range of clients, including ESPN, Amazon, and Blue Shield of California, demonstrating their ability to create compelling narratives that resonate with audiences. Their work spans various industries, from sports and entertainment to health and consumer technology, reflecting their adaptability and strategic thinking in addressing client needs.

5. Allied Global Marketing

• Website: alliedglobalmarketing.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 91%, Ireland 3%, United Kingdom (UK) 3%, Other 3%
• Founded year: 1986
• Headcount: 201-500
• LinkedIn: allied-global-mkg

Allied Global Marketing is a private marketing agency based in Los Angeles, California, founded in 1986. With a workforce of approximately 685 employees, the company specializes in providing a wide range of marketing solutions tailored to various sectors, including entertainment, gaming, hospitality, and tourism. Their services span strategy development, advertising, creative solutions, and media management, aimed at helping clients effectively engage their target audiences. Allied Global Marketing operates 21 offices across North America and has a presence in Ireland, the United Kingdom, and other regions. The agency is known for its innovative approach, leveraging AI tools and audience insights to enhance marketing strategies. Their work includes partnerships with notable brands such as Netflix, Sephora, and Sony, showcasing their capability to deliver impactful campaigns that resonate with consumers.

6. HUb

• Website: hubsanfrancisco.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 90%, United Kingdom (UK) 10%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: hub-sf

HUb Strategy and Communication® is an advertising agency based in San Francisco, California, established in 2001. The agency specializes in brand strategy, design, and production services, catering to clients in various sectors, including healthcare, education, and sports. HUb operates with a team of creative specialists who focus on delivering effective advertising campaigns that enhance brand presence. Their work includes a range of services such as brand research, identity development, media planning, and production of video content. HUb has developed a reputation for its humorous approach to advertising, which has proven successful in engaging audiences and driving results. The agency has collaborated with notable clients like Stanford Medicine, the Oakland A's, and the Monterey Bay Aquarium, showcasing their ability to create impactful campaigns that resonate with target markets.

7. Davis Elen Advertising

• Website: daviselen.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1948
• Headcount: 51-200
• LinkedIn: daviselen

Davis Elen Advertising, based in Los Angeles, California, is a private advertising agency founded in 1948. The firm specializes in comprehensive marketing solutions, which include advertising, branding, public relations, and digital marketing. With a workforce of 51 to 200 employees, the agency has built a reputation for delivering strategic advertising efforts that enhance market presence and drive sales for its clients. Notably, Davis Elen has maintained long-term relationships with prominent brands such as Toyota and McDonald's, showcasing their ability to manage significant accounts over decades. The agency's involvement in various sectors, including retail, is underscored by their reported influence on $18 billion in retail sales across more than 4,400 locations nationwide. This extensive experience and proven track record position Davis Elen as a relevant player in the advertising industry.

8. Saatchi & Saatchi (We Are Saatchi)

• Website: wearesaatchi.com
• Ownership type: Private
• Headquarters: El Segundo, California, United States (USA)
• Employee distribution: United States (USA) 92%, Other 8%
• Founded year: 1970
• Headcount: 201-500
• LinkedIn: we-are-saatchi

Saatchi & Saatchi (We Are Saatchi) is an advertising agency based in El Segundo, California, with additional offices in New York and Dallas. Founded in 1970, the agency has built a reputation for crafting innovative marketing solutions for a variety of brands across multiple sectors. Their services include creative development, brand strategy, media planning, and digital marketing. Saatchi & Saatchi has collaborated with prominent clients such as Toyota, Tide, and Snyder’s of Hanover, producing memorable campaigns that engage consumers effectively. The agency is also committed to social responsibility, actively promoting diversity and inclusion within its workforce and the broader community. This commitment is evident through initiatives like the Saatchi Diversity Task Force and various scholarship programs aimed at supporting underrepresented groups in the industry.

9. Deutsch

• Website: deutsch.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Founded year: 1969
• Headcount: 201-500
• LinkedIn: deutschla

Deutsch is an advertising agency based in Los Angeles, California, founded in 1969. With a workforce of approximately 469 employees, the agency specializes in innovative marketing solutions tailored to various industries. Their service offerings include business intelligence, design, digital experience, media, and performance marketing. Deutsch has built a reputation for driving significant growth for its clients, evidenced by successful partnerships with brands like Dr Pepper and Taco Bell, where they have achieved remarkable sales increases. The agency is also known for its in-house production capabilities through Steelhead, which enhances their ability to create compelling content efficiently. Deutsch actively engages in community initiatives, such as the 'Blackness in Full Bloom' program, which supports local Black-owned businesses, and ADCOLOR FUTURES, aimed at fostering the next generation of leaders in advertising. Their commitment to creativity and cultural relevance positions them as a notable player in the advertising sector.

10. Low & Joe Creative

• Website: lowjoecreative.com
• Ownership type: Private
• Headquarters: Brea, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2012
• Headcount: 1-10
• LinkedIn: low-%26-joe-creative

Low & Joe Creative, based in Brea, California, is a creative services firm that specializes in advertising, design, and digital solutions. Established in 2012, the company has built a reputation for delivering high-quality creative work across various platforms. Their service offerings include print and digital advertising, branding, web design, and media planning. With a team of experienced professionals, including principals with decades of industry experience, Low & Joe Creative has successfully executed campaigns for a range of clients, from theme parks to food brands. Their portfolio showcases a variety of projects, highlighting their ability to adapt to different client needs and market demands. The firm has also garnered recognition through multiple awards, reflecting their commitment to excellence in advertising and design.

11. Pereira O'Dell

• Website: pereiraodell.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 97%, Other 3%
• Founded year: 2008
• Headcount: 51-200
• LinkedIn: pereira-odell

Pereira O'Dell is an independent creative agency based in San Francisco, California, founded in 2008. With a team of approximately 133 employees, the agency specializes in advertising and marketing services, focusing on brand strategy, digital media, and creative development. They have worked with a variety of notable clients, including Adobe, MINI, and Manscaped, creating campaigns that engage consumers across multiple platforms. Their innovative approach is highlighted by initiatives such as Silverside, an AI marketing lab that connects brands to startups. Pereira O'Dell has received recognition for its work, being named to Ad Age's A-List and Fast Company's Top 10 Most Innovative Companies in Advertising. The agency's commitment to blending technology with traditional advertising practices reflects its relevance in the current market.

12. Engelbrecht Advertising

• Website: engelads.com
• Ownership type: Private
• Headquarters: Chico, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1996
• Headcount: 11-50
• LinkedIn: engelbrecht-advertising

Engelbrecht Advertising, based in Chico, California, is a private advertising agency that has been operational since 1996. With a team of 15 professionals, the agency specializes in a variety of marketing and advertising services, including digital marketing, media buying, creative production, and audio and video production. Over the years, Engelbrecht has built a reputation for delivering effective advertising solutions tailored to the needs of their clients. They pride themselves on their ability to foster long-term relationships with businesses across various sectors, both in the United States and Europe. The agency's commitment to understanding client needs and navigating the complexities of marketing has allowed them to maintain relevance in a rapidly changing industry. Engelbrecht Advertising has successfully executed over 100 campaigns, showcasing their capability to adapt and thrive in different economic climates. Their focus on creativity and strategic thinking positions them as a reliable partner for businesses looking to enhance their marketing efforts.

13. MullenLowe U.S.

• Website: us.mullenlowe.com
• Ownership type: Private
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Founded year: 1970
• Headcount: 201-500
• LinkedIn: mullenlowe-us

MullenLowe U.S. is an advertising agency based in Los Angeles, California, founded in 1970. With a workforce of approximately 518 employees, the agency specializes in creative marketing solutions that include strategy development, public relations, and digital experiences. MullenLowe U.S. serves a wide array of clients, reflecting their capability to address various marketing needs. Their work spans multiple industries, and they have been involved in high-profile campaigns, such as those for KFC and Corona, which demonstrate their ability to connect with audiences. The agency emphasizes a culture of innovation and adaptation, symbolized by their branding as an octopus, which represents their commitment to reinvention and creativity in the advertising space.

14. Siltanen & Partners Advertising

• Website: siltanen.com
• Ownership type: Private
• Headquarters: El Segundo, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1999
• Headcount: 51-200
• LinkedIn: siltanenla

Siltanen & Partners Advertising is a marketing and advertising agency based in El Segundo, California. Established in 1999, the firm specializes in brand strategy, digital marketing, and production services. With a team of 51 to 200 employees, Siltanen & Partners has built a reputation for delivering creative solutions that enhance brand visibility and effectiveness. The agency has worked with a range of clients, including Coldwell Banker, Skechers, Pei Wei, and Amazon, helping them achieve significant growth and engagement. Their work has been recognized for its effectiveness, with campaigns for Coldwell Banker being named the most effective in the real estate industry for eight consecutive years. Siltanen & Partners prides itself on its ability to create measurable results, focusing on sales and profitability rather than just brand awareness. The agency's founder, Rob Siltanen, has a notable background, having previously worked as a creative director at TBWA\Chiat\Day, where he contributed to the iconic "Think Different" campaign for Apple. This blend of experience and a commitment to client success positions Siltanen & Partners as a relevant player in the advertising industry.

15. Duncan Channon

• Website: duncanchannon.com
• Ownership type: Private
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1990
• Headcount: 51-200
• LinkedIn: duncanchannon

Duncan Channon is an advertising agency based in San Francisco and Los Angeles, founded in 1990. With a team of approximately 83 employees, the agency specializes in a wide range of marketing services, including campaign strategy, branding, media analytics, and experiential marketing. They focus on creating emotional connections between brands and consumers, leveraging data to inform their creative processes. Over the years, Duncan Channon has worked with various clients across multiple industries, helping them enhance their brand presence and engage effectively with their target audiences. The agency has garnered numerous awards for its innovative campaigns, including recognition from Ad Age as a four-time Agency of the Year. Their commitment to understanding consumer behavior and crafting impactful advertising solutions has solidified their position in the advertising industry.

16. Kobe Digital

• Website: kobedigital.com
• Ownership type: Corporate
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Latest funding: February 2022
• Founded year: 2016
• Headcount: 11-50
• LinkedIn: kobe-digital

Kobe Digital, founded in 2016 and based in Los Angeles, California, operates as a digital marketing agency with a focus on performance marketing, web design, and video production. The company prides itself on its ability to integrate these services, providing clients with comprehensive marketing solutions that enhance their online presence and drive engagement. Kobe Digital caters to a wide range of clients, from early-stage startups to established enterprise brands, showcasing their capability to adapt to various market needs. Their team consists of experts who are dedicated to delivering measurable results through innovative strategies tailored to each client's specific requirements. The agency has worked with notable clients such as Leica Camera AG and SurveyMonkey, further solidifying its position in the advertising industry. Kobe Digital emphasizes the importance of understanding client objectives and crafting campaigns that resonate with target audiences, making them a relevant player in the advertising space.

17. Kiosk (advertising agency)

• Website: kiosk.tm
• Ownership type: Private
• Headquarters: Novato, California, United States (USA)
• Employee distribution: United States (USA) 83%, United Kingdom (UK) 8%, Greece 4%, Other 4%
• Founded year: 2004
• Headcount: 51-200
• LinkedIn: kiosk-agency

Kiosk is a marketing agency based in Novato, California, founded in 2004. The agency specializes in comprehensive marketing solutions, including brand development, digital marketing, and media planning. Kiosk serves a variety of clients, from businesses to non-profit organizations, helping them improve their brand visibility and marketing effectiveness through strategic insights and creative services. The agency prides itself on its collaborative approach, combining data analysis with innovative technology to deliver effective marketing strategies. Kiosk has also been recognized as one of the best places to work for twelve consecutive years, highlighting its commitment to employee satisfaction and a positive workplace culture. Their community involvement is notable, as they contribute a minimum of 10% of their billable hours to charitable projects, demonstrating a commitment to social responsibility. Kiosk has worked with various clients, including educational institutions and health organizations, showcasing their versatility in the marketing field.

18. Skiver Advertising

• Website: skiver.com
• Ownership type: Private
• Headquarters: Costa Mesa, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2001
• Headcount: 11-50
• LinkedIn: skiver-advertising

Skiver Advertising, based in Costa Mesa, California, is a private advertising agency established in 2001. With a team of 11 to 50 employees, the agency specializes in comprehensive marketing solutions that include advertising strategy, branding, and digital services. Skiver Advertising has built a reputation for helping businesses enhance their brand visibility and connect with their target audiences through tailored advertising campaigns. Their portfolio includes collaborations with well-known brands such as Hooters, Oakley, and Del Taco, showcasing their ability to manage significant advertising accounts. The agency emphasizes a straightforward approach to advertising, aiming to simplify the complexities of marketing for their clients. They are fully operational and maintain a strong presence in the advertising sector, focusing on delivering effective and uncomplicated solutions to their clients' marketing needs.

19. David&Goliath

• Website: dng.com
• Ownership type: Private
• Headquarters: El Segundo, California, United States (USA)
• Employee distribution: United States (USA) 99%, Other 1%
• Founded year: 1999
• Headcount: 51-200
• LinkedIn: davidandgoliath

David&Goliath is an advertising agency based in El Segundo, California, founded in 1999. The agency specializes in crafting creative campaigns and marketing solutions tailored for various brands, particularly in the automotive and food service industries. With a team of 51-200 employees, David&Goliath prides itself on its innovative advertising strategies that enhance brand visibility and engagement. Their portfolio includes notable campaigns such as the Kia EV9, where they employed playful and visually striking films to highlight the vehicle's features. Additionally, their work for Jollibee, particularly the 'Undroppaball' campaign, demonstrates their ability to create buzz and engage audiences without traditional advertising costs. David&Goliath continues to be active and relevant in the advertising sector, showcasing a commitment to creativity and strategic marketing.

20. Cord Media Company

• Website: cordmedia.com
• Ownership type: Private
• Headquarters: Palm Desert, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 2007
• Headcount: 11-50
• LinkedIn: cord-media-company

Cord Media Company, based in Palm Desert, California, is a private advertising agency founded in 2007. With a team of 44 employees, the company specializes in providing a full suite of marketing services tailored to meet the needs of various businesses. Their offerings include branding, design, video production, digital marketing, public relations, and media buying. Cord Media prides itself on its ability to create effective communication strategies that resonate with target audiences. The agency has worked with a range of clients, helping them to enhance their brand identity and achieve their marketing goals. Their commitment to quality and client satisfaction is reflected in the numerous positive testimonials they have received, highlighting their effectiveness in driving results and fostering long-term partnerships.

21. MJA Advertising

• Website: mjala.com
• Ownership type: Private
• Headquarters: Beverly Hills, California, United States (USA)
• Employee distribution: United States (USA) 100%
• Founded year: 1962
• Headcount: 11-50
• LinkedIn: mja-advertising

MJA Advertising, based in Beverly Hills, California, is a private advertising agency that has been operational since 1962. With a team of 26 employees, the agency specializes in providing a wide range of marketing and advertising services. Their focus is on enhancing brand visibility and effectiveness for clients, particularly in the casino and retail sectors. MJA Advertising prides itself on its collaborative approach, working closely with clients to achieve and exceed their marketing goals. The agency's services include research, media buying, creative development, branding, and digital marketing. MJA has successfully managed campaigns for notable clients, demonstrating its ability to deliver measurable results. Their case studies reflect a strong history of transforming client brands and driving significant revenue growth, showcasing their expertise in the advertising field.

Advertising Companies Insights: Key Companies in California

Company	Headquarter	Size	Founded	Ownership
Rpa	Santa Monica, California, United States (USA)	501-1000	1986	Private
Innocean Usa	Huntington Beach, California, United States (USA)	201-500	2005	Private
Goodby Silverstein & Partners	San Francisco, California, United States (USA)	201-500	1983	Private
Butler, Shine, Stern & Partners	Sausalito, California, United States (USA)	51-200	1993	Private
Allied Global Marketing	Los Angeles, California, United States (USA)	201-500	1986	Private
HUb	San Francisco, California, United States (USA)	11-50	2001	Private
Davis Elen Advertising	Los Angeles, California, United States (USA)	51-200	1948	Private
Saatchi & Saatchi (We Are Saatchi)	El Segundo, California, United States (USA)	201-500	1970	Private
Deutsch	Los Angeles, California, United States (USA)	201-500	1969	Private
Low & Joe Creative	Brea, California, United States (USA)	1-10	2012	Private
Pereira O'Dell	San Francisco, California, United States (USA)	51-200	2008	Private
Engelbrecht Advertising	Chico, California, United States (USA)	11-50	1996	Private
MullenLowe U.S.	Los Angeles, California, United States (USA)	201-500	1970	Private
Siltanen & Partners Advertising	El Segundo, California, United States (USA)	51-200	1999	Private
Duncan Channon	San Francisco, California, United States (USA)	51-200	1990	Private
Kobe Digital	Los Angeles, California, United States (USA)	11-50	2016	Corporate
Kiosk (advertising agency)	Novato, California, United States (USA)	51-200	2004	Private
Skiver Advertising	Costa Mesa, California, United States (USA)	11-50	2001	Private
David&Goliath	El Segundo, California, United States (USA)	51-200	1999	Private
Cord Media Company	Palm Desert, California, United States (USA)	11-50	2007	Private
MJA Advertising	Beverly Hills, California, United States (USA)	11-50	1962	Private

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