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Top California AdTech Startups (490)

ClickMint
AdTech • eCommerce • Marketing Tech • Generative AI
Malibu, California, USA
7 Employees
14 Benefits Hiring Now
Tech-enabled CRO agency with proprietary tools and elite operators—helping e-commerce brands scale faster and smarter.

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...

ClickMint
Attain
AdTech
4 Offices
146 Employees
37 Benefits Hiring Now
The most trusted and comprehensive source for live purchase data.

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...

Attain
Core Digital Media
AdTech • Digital Media • Fintech • Marketing Tech
Playa Vista, California, USA
130 Employees
58 Benefits
Core Digital Media empowers you to make smart financial decisions related to life's biggest moments

Core Digital Media was founded to empower people to improve their financial lives. Our websites QuickenLoans.com and LowerMyBills.com provide consumers valuable information and company connections as you navigate life's biggest financial decisions.

Core Digital Media
Rise25
AdTech
Tiburon, California, USA
31 Employees
Hiring Now

We help B2B businesses connect to their ‘Dream 200’ clients, referral partners, strategic partners and more, and get ROI using a podcast. We are an easy button to launch and run your podcast so you get ROI. Using our Podcast Copilot platform, Rise25 helps you to connect quicker to higher caliber referral partners, clients, strategic partners and industry influencers to generate...

Rise25
Polymorph
AdTech
San Francisco, California, USA
17 Employees

Polymorph is a white label monetization platform for publishers to maximize revenue, reduce costs and deliver better ad experiences. Polymorph allows publishers to define their own branded ad experiences, leverage their data to target users across devices and manage and deliver campaigns from direct and indirect demand sources. We are real-time company giving ML driven revenue decisions (ads and messages)...

Polymorph
Adludio
AdTech • Marketing Tech
2 Offices
200 Employees

Adludio is a global advertising scale-up defining the next generation of mobile brand solutions. Using cutting edge AI and proprietary creative tools, Adludio is delivering guaranteed brand outcomes to agencies and brands, by placing creative and context at the heart of an advertiser’s message. We create, deliver and optimize advertising campaigns at scale, using mobile-first creative technology, data and algorithms to...

Adludio
Maricich Health
AdTech • Agency • Marketing Tech
Irvine, California, USA
22 Employees
Hiring Now

Maricich Health is a branding, advertising and marketing communications agency. We help integrated healthcare organizations and others build market share by developing inspired campaigns that positively influence the way consumers and stakeholders make decisions about healthcare. By transforming strategies into creative ideas that further organizational and population health goals, we deliver healthy marketing outcomes for leading hospitals, health systems, payers,...

Maricich Health
Publica by IAS
AdTech • Artificial Intelligence • Big Data • Machine Learning • Business Intelligence
San Francisco, California, USA
200 Employees
38 Benefits Hiring Now
Meet the ultimate CTV Ad Server, Open, Transparent & Demand Agnostic.

Publica is a leading Connected TV (CTV) ad platform and works with many of the world's biggest broadcasters, TV manufacturers, and OTT apps. Headquartered in Palo Alto, Publica provides solutions for publishers to maximize their revenue across their CTV inventory through key solutions including a Unified Auction, Ad Pod Management, Audience Management, and Server-Side Ad Insertion (SSAI). The Publica platform...

Publica by IAS
tvScientific
AdTech • Marketing Tech
Los Angeles, California, USA
137 Employees
Hiring Now

tvScientific is the first and only CTV advertising platform purpose built for serious performance marketers. The tvScientific platform makes TV advertising accessible and measurable for brands and apps of all sizes. tvScientific offers a self-managed solution that simplifies and automates TV buying and optimization, leveraging massive data to prove the actual value of TV advertising. The platform reaches 95% of...

tvScientific
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AdTech
San Diego, California, USA
7 Employees

DESIGN AND BRANDING AGENCY. We partner with people who insist on doing great work. As modern branding experts, we help our clients forge meaningful connections with people. We specialize in strategy, brand development, creative direction, and design execution.

LESS+MORE
Mogreet
AdTech
Venice, California, USA
30 Employees

Acquired in 2013 by payvia, Mogreet helps brands deliver videos, images and text messages to their customers' mobile devices to drive sales, increased consumer engagement and build long-term loyalty. Leveraging our proprietary cloud-based technology infrastructure, our SMS and MMS messaging platform enables any type of content, message, advertisement or coupon to be delivered to every mobile consumer regardless of carrier,...

Mogreet
Watchwith
AdTech
San Francisco, California, USA
9 Employees

Time-based metadata solutions for TV

Watchwith
CrossInstall Inc
San Francisco, California, USA
69 Employees

CrossInstall offers a unique approach to mobile advertising as a multi-platform solution for playables through our DSP and our Creatives as a Service (CaaS). Our DSP service combines custom-built playable/interactive mobile ads with a programmatic, performance based bidder, built on highly customized technology, ensuring the ads hit the right audience. CrossInstall's ads feature rich, interactive experiences dynamically tailored to individual...

CrossInstall Inc
Magisto
AdTech • Artificial Intelligence • Digital Media
Mountain View, California, USA
28 Employees

Magisto [Powered by Vimeo] is a one-of-a-kind, A.I. powered, video creation tool. Magisto makes it easy to drive growth to your business or blog with stunning, attention-grabbing videos. Whether you’re looking to generate leads and awareness, build relationships, or grow sales Magisto is the fastest and easiest way to get there. Home to over 100+ million users globally Apple's Best of 2019:...

Magisto
CarLabs.ai
AdTech • Artificial Intelligence • Automotive
Calabasas, California, USA
18 Employees

Carlabs.ai is the auto industry’s first AI-powered customer engagement platform to successfully automate and personalize sales and customer service via chat, email, SMS, WhatsApp, Facebook Messenger. Its conversational marketing platform allows consumers to interact directly with an automotive brand’s data and digital assets as if they were talking to a human via a 1:1 conversation.

CarLabs.ai
BrightRoll
AdTech
San Francisco, California, USA
37 Employees

BrightRoll is Yahoo’s unified brand for programmatic advertising technology. BrightRoll offers a suite of buy- and sell-side tools, including a multi-channel DSP and Exchange, which helps advertisers, publishers, and partners connect with consumers across ad formats and devices.

BrightRoll
Infillion
AdTech • Digital Media • Marketing Tech • Mobile
4 Offices
180 Employees
42 Benefits
Infillion is a connected commerce platform for the open internet that connects advertising, marketing and CX.

Infillion brings location and attention-based marketing together to fulfill the promise of connected consumer experiences. Leveraging integrated technology, Infillion enables better targeting via unique data sets, engaging creative, and actionable measurement solutions for advertisers looking to bridge the physical and digital worlds. Among the fastest-growing companies in ad technology, Infillion is advancing the integration of advertising, marketing, and CX through...

Infillion
Andava Digital Marketing Agency
AdTech • Marketing Tech • Software
Glendale, California, USA
48 Employees
Hiring Now

We are a full-service marketing agency and part of the TOP 3% of digital marketing agencies with the Google Premier Partner status. Our mission is simple: to help your business fulfill its goal – to generate revenue, communicate your value, and outrank the competition. We are here to break the “Maybe” and “I Guess” tactics with our “Certainly” and “For Sure” Strategies...

Andava Digital Marketing Agency
Three29
AdTech • Marketing Tech
Sacramento, California, USA
18 Employees

Three29 is a web design, mobile app development and digital marketing agency located in Sacramento.

Three29
Franki
AdTech • Information Technology • Marketing Tech • Software
Los Angeles, California, USA
77 Employees

Franki is the most rewarding way to find rewarding experiences. Powered by real videos from local foodies and creators, we're making it easier than ever for people to find their next favorite meal, and for business owners to connect with their next best customers. We believe experiences are best shared. That's why we've launched the Franki Social Club--a tiered rewards...

Franki

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