Top California AdTech Startups (514)

ClickMint pairs proprietary generative-AI diagnostics with senior CRO operators to uncover friction, launch precision tests, and unlock compounding gains—helping high-growth e-commerce brands scale faster without buying more traffic. Founded by the creator of one of the nation’s top-performing digital marketing firms—honored by Inc. as a Fastest-Growing Company for seven consecutive years and ranked among the Top 50 U.S. marketing agencies...

Attain is the most trusted and comprehensive source for permissioned, real-time purchase data in the United States. By connecting directly with over 10 million consumers, Attain delivers unmatched accuracy and scale across audience activation, insights, and in-flight optimization, and measurement, helping marketers tie every dollar of media to real-world sales outcomes. Attain’s portfolio of owned and operated apps, spanning financial...

Haus is a Los Angeles-based digital agency that pushes the boundaries of technology, strategy, and design to create lasting relationships between brands & customers.

Human Agency is building a world where the most powerful tools of media and technology can and should be used to advance the values and goals of people. Digital advertising today is profit-centered, more complex than it needs to be, and is currently monopolised by those who have existing knowledge, tools and resources. We are changing this by building a...

RZR powers performance for the world's most ambitious brands through proprietary neural architecture that optimizes across user acquisition, retargeting, CTV, and influencer campaigns as one connected performance system. With four owned-and-operated data centers that process 6M+ queries per second, RZR turns signals into strategy and impressions into impact. Trusted by brands across gaming, consumer, food and beverage, retail, and entertainment....

Innowave Marketing Group provides luxury and innovative reward solutions unique to the loyalty and promotional marketing space. Our experts design effective consumer loyalty programs, engagement programs, sales & channel incentives and consumer promotions. Casino programs include loyalty points programs, VIP shopping events and retail store projects. Innowave Marketing Group is a loyalty marketing company providing innovative relationship marketing solutions, best...

Koneo Mobile: Trusted. Unique. Innovative. Enhancing mobile advertising with better technology, transparent results and innovative approaches. Koneo Mobile is a mobile user acquisition technology company. We are a passionate, innovative and trusted group of mobile marketers working to build a better, more transparent and more streamlined performance-based marketing experience. Koneo’s unique insights and methods along with its proprietary performance distribution platform enables...

Founded in 2009, Knorex is a technology company that provides programmatic advertising solutions to marketers to simplify digital marketing to accelerate business growth. Knorex XPO, our flagship, helps marketers to connect in real-time with the desired audience worldwide through the industry's widest deep connectivity to leading marketing channels including social media, search, connected TVs/OTTs, video, audio, display/native, and email, all...

We do everything an award-winning Canadian marketing agency should. Only with a deep understanding of diverse & multicultural audiences. Since 2003, we are a full-service marketing team ready to support your in-house or agency team!

We are a leading global advertising, media, and ad-tech solutions company connecting brands to consumers by representing top platforms and publishers. Our services are anchored by a world-class sales operation, healthy financials, and unique commercial partnerships with industry leaders such as TelevisaUnivision, Facebook, Twitter, Spotify, LinkedIn, TikTok, and Grab, among others. Our service portfolio enables high-performance campaigns while using highly competitive...

A FULL SERVICE, STRATEGY&CREATIVITY BASED ANIME MARKETING COMPANY We are the first anime industry-specialized marketing agency in the United States. We provide strategic and creative one-stop marketing solutions. Our mission is to unleash the allure and potential of anime works created by passionate creators from Japan and around the world, using the power of marketing. Our goal is to transform anime into a...

Jun means truth. Our advertising platform is the honest, efficient way to get millions of people to engage with video and branded content across devices. The world’s best-known brands choose Jun Group because everything we do is brand-safe, visible, and transparent.

Seismic delivers the best campaigns. Influencer marketing provides huge potential, but can have lots of friction and failure points. By combining institutional knowledge with data science and proprietary technology Seismic delivers performance-driven influencer marketing campaigns that work seamlessly for brands, creators, and audiences alike.

Today more than ever brands need a competitive edge. A leg up. An ace in the hole. Welcome to ours. As a collective of smart, creative, culturally attuned trailblazers who are as talented, innovative and diverse as today’s America, we are unlike any other communications group on the planet. Recognizing that the rules of consumer engagement have changed, it’s no longer enough for...

Siege Media is a content marketing agency that focuses on creation, promotion, and strategy.

Digital Reach is an internet marketing firm focused on B2B Demand Generation and Inbound Marketing. We offer SEM and SEO services, along with Web Development, Design, CRO, In-House Team Training, and more. Our business is built on transparency, communication, and performance. We believe in developing relationships and forming partnerships based on trust and honesty. With Digital Reach, you'll have fast access...

Thinkingbox is a brand experience agency shaping the future of brands through craft and curiosity

Busy? Let’s stick to the questions. What? Elite Programmatic User Acquisition and Retargeting DSP for Mobile Apps Who? Bigabid is a technology company led by data scientists and engineers devoted to your app’s success. Our robust, sophisticated machine learning platforms are a culmination of that devotion. How? Bigabid’s proprietary Gen 2 DSP optimizes performance by intelligently analyzing data in real-time to target audiences at the...

Linqia is the only influencer marketing company that delivers guaranteed influencer ROI for the enterprise. Linqia’s unique combination of strategy and technology provides the world’s largest brands and their agencies with seamless execution from influencer selection to closed loop measurement. More Fortune 500 brand marketers rely on Linqia and its Resonate platform than any other influencer marketing company to drive...

At PeopleFinders, we turn information into actionable insights, empowering trust and safety in today’s digital world. PeopleFinders and our affiliated brands are trusted providers of public records searches and analytical data, offering unparalleled insights. At our core, we’re committed to finding, organizing, and making the right information accessible. Founded in 1999, the PeopleFinders team of innovators is dedicated to helping...