New York City is the predominant force in ad tech. That’s hardly a shock, considering the Big Apple’s long and rich history in the space. In NYC, ad agencies and media titans have long worked in close quarters, giving tech-savvy upstarts ample opportunities to fit in.
Top Adtech Companies in NYC
- Fluent
- The Trade Desk
- adMarketplace
- Braze
- Taboola
- MediaOcean
- Movable Ink
NYC Adtech Companies to Know
Founded: 2012
Marketing Services: Deep Learning-Powered Digital Advertising
What they do: RTB House provides brands with adtech solutions powered by deep learning. Its offerings include technology for producing dynamic video and display campaigns to boost brand awareness, as well as data-enabled product recommendations for retargeting. The company has worked on ad campaigns for thousands of clients around the world.
Founded: 2009
Marketing Services: Translation Management and Global Marketing Localization
What they do: Smartling helps brands expand globally through their translation management platform. Hotels, tech and retail companies are able to gain customers and expand internationally by translating marketing materials and websites into localized languages. Global companies like InterContinental Hotels, Uber, Spotify and British Airways entrust Smartling for their translation needs.
Founded: 2009
Marketing Services: Programmatic Media Buying and Cross-Channel Insights
What they do: The Trade Desk operates a demand-side platform that enables advertisers and agencies to plan and optimize digital advertising campaigns across multiple channels including audio, mobile, video and native formats. The platform integrates data management capabilities to provide insights and reporting on targeted audiences and campaign performance. Headquartered in Ventura, California, The Trade Desk maintains a significant presence in New York with offices in Manhattan.
Founded: 2008
Marketing Services: Location-Based Mobile Ad Targeting
What they do: GroundTruth (formerly xAd) provides location-based advertising and audience intelligence for marketers targeting customers at physical locations. The platform uses location data and predictive intelligence to deliver mobile ads to consumers near or visiting specific businesses, and offers tools like cost-per-visit pricing, a self-serve ads manager and omnichannel measurement capabilities for retail, restaurant, auto and other brick-and-mortar industries.
Founded: 2002
Marketing Services: Responsive Video Ads
What they do: Undertone, a division of Perion Network, develops responsive display and video ad formats for digital channels. The software automatically adapts campaign visuals across websites, streaming video, connected TV, and digital out-of-home screens. By engineering multi-screen ad experiences, the company helps agencies and brands deliver synchronized campaigns to broad digital audiences.
Founded: 2007
Marketing Services: Sell-Side Programmatic Advertising and Connected TV
What they do: Magnite builds technology that enables media owners to monetize advertising inventory across digital and traditional video platforms. The company operates a sell-side advertising platform connecting publishers with advertisers and agencies seeking to reach audiences across multiple screens. Magnite’s solutions help publishers optimize yield from their content while allowing brands and agencies to execute targeted ad campaigns at scale.
Founded: 2015
Marketing Services: Consumer Intelligence
What they do: DISQO’s ad measurement platform provides brands with insights on their media impact across multiple channels to inform campaign decisions and fuel growth. Although headquartered in California, the adtech company also has a presence in New York City, where it’s hiring for roles in areas like sales and customer success.
Founded: 2011
Marketing Services: Omnichannel Advertising Software and Media Management
What they do: Mediaocean develops software and automation tools for omnichannel advertising. The company uses machine learning and automation to optimize advertising investments and outcomes across fragmented ad tech systems. Mediaocean was created in 2011 when Mediabank, a media buying technology company, merged with Donovan Data Systems.
Founded: 2010
Marketing Services: Social Media Marketing and E-Commerce Strategy
What they do: Code3 operates at the intersection of media and commerce, connecting brands to customers across digital platforms including Meta and TikTok. The agency uses machine learning to optimize complex advertising portfolios and personalize campaigns based on consumer data and preferences. Code3 serves digital companies and Fortune 500 enterprises seeking full-funnel growth through data-driven marketing strategies.
Founded: 1996
Marketing Services: Digital Publishing and Intent-Based Audience Targeting
What they do: People Inc. is a media conglomerate that publishes consumer content across digital and print contexts. As the largest publisher of combination digital and print media in the United States, the company operates a long list of popular and iconic titles including People, Simply Recipes and Verywell. People Inc.’s content capabilities also extend to advertising, offering solutions like its D/Cipher tool for intent-based audience targeting.
Founded: 2011
Marketing Services: Mobile App User Acquisition and Performance Advertising
What they do: Liftoff specializes in advertising solutions meant to enable growth for mobile businesses. Its products include Accelerate, which leverages data analytics and machine learning to support user acquisition and Vungle Exchange, which helps advertisers expand their reach and engage high-value users around the world.
Founded: 2010
Marketing Services: Email Personalization and Dynamic Content
What they do: Movable Ink provides an AI-powered content personalization platform that automates digital marketing campaigns. The software dynamically updates email visuals, text and calls to action based on real-time data at the exact moment a recipient opens the message. By moving beyond standard audience segmentation, Movable Ink helps companies deliver individual messaging across digital customer channels.
Founded: 2000
Marketing Services: Programmatic Paid Search Marketplace
What they do: adMarketplace operates a programmatic search advertising network that connects brands with high-intent buyers outside of standard search engine channels. The platform uses algorithmic bidding technology to place targeted sponsored listings across consumer applications, browsers and publisher sites. By aggregating consumer search traffic outside traditional search engines, the company helps advertisers expand their digital paid search campaigns.
Founded: 2012
Marketing Services: Predictive Machine Learning and Programmatic Targeting
What they do: Cadent provides television and digital video advertising software, having fully integrated AdTheorent’s machine learning assets into its broader platform portfolio. The technology analyzes data signals to build target audience segments and deliver automated ad placements across connected TV, streaming and digital channels without relying on traditional tracking cookies. Media buyers use the Cadent to manage ad inventory, run data-driven campaigns and measure cross-screen ad performance.
Founded: 2010
Marketing Services: First-Party Data Collection and Customer Acquisition
What they do: Fluent operates a commerce media platform that connects brands with consumers during checkout and post-purchase interactions. The New York-based company relies on proprietary machine learning and a massive repository of first-party customer data to optimize ad placement. By delivering performance-driven campaigns across digital channels and physical store environments, the platform helps advertisers acquire customers while generating new revenue streams for publishing and retail partners.
Founded: 2010
Marketing Services: Social Media Marketing and E-Commerce Strategy
What they do: VideoAmp provides media software and data tools that help advertisers plan, measure and optimize campaigns across traditional television, streaming and digital platforms. The company uses its VALID data foundation to link household viewership habits directly with consumer purchases and audience demographic traits. By offering outcome-based attribution tools, VideoAmp acts as an alternative currency for media buyers to evaluate cross-platform ad performance.
Founded: 2012
Marketing Services: Programmatic Native Advertising and Visual Media
What they do: TripleLift operates a Supply-Side Platform (SSP) that connects advertising data, creative formats and publisher ad space across digital channels. The technology enables advertisers and media outlets to programmatically buy and serve native placements that blend with surrounding website content, including specialized formats like streaming video pause ads. Marketers and publishers use the platform across desktop, mobile, connected TV and retail media to deliver automated ad campaigns.
Founded: 2016
Marketing Services: In-Store Digital Retail Advertising
What they do: Grocery TV is an in-store retail media platform. Over 120 retailers partner with Grocery TV to modernize their stores and generate revenue while maintaining the shopper experience. Grocery TV installs and manages the screen network across stores, reaching 1 in 4 Americans in nearly 6,000 retail locations, connecting brands directly with shoppers.
Founded: 2014
Marketing Services: Programmatic Direct Mail and In-Home Advertising
What they do: PebblePost operates a performance advertising platform that connects online browsing activity with physical print and digital television marketing. The system uses first-party brand data to track consumer web behavior, automatically triggering targeted physical direct mail and connected TV ads. By uniting physical mail with digital display capabilities, PebblePost enables brands to deliver personalized household advertisements based on web interactions.
Founded: 2013
Marketing Services: Automated Social Media Marketing and Creative Strategy
What they do: Smartly is an AI-powered advertising technology company that automates social media and cross-channel campaigns across media, creative and intelligence tools. The platform helps brands create personalized ad experiences and measures campaign performance across digital channels, including connected TV through a partnership with Roku. Serving global brands, Smartly streamlines cross-channel campaign management within a single platform.
Founded: 2011
Marketing Services: Programmatic Healthcare Marketing
What they do: PulsePoint operates as a programmatic advertising platform within the WebMD and Internet Brands network. The technology automates digital ad delivery and content distribution tailored specifically to health brands, life sciences companies and medical agencies. Marketers use PulsePoint to reach relevant patient and physician audiences while adhering to healthcare privacy regulations and industry compliance standards.
Founded: 2007
Marketing Services: Customer Lifecycle Marketing and AI-Powered Marketing Cloud
What they do: Zeta Global operates a unified marketing platform that spans customer acquisition, engagement and retention across channels. The company uses machine learning to interpret behavioral signals to identify high-value customers and personalize interactions at scale. Zeta’s data cloud and identity graph power omnichannel campaigns, loyalty programs and attribution analytics for enterprise brands and agencies.
Founded: 2014
Marketing Services: Programmatic Bidding
What they do: Beeswax provides a customizable programmatic advertising platform built around a cloud-based bidding architecture. Founded by former Google executives, the company gives media buyers direct control over their ad bidding logic and data integrations. Beeswax’s infrastructure enables businesses to build tailored ad tech systems without constructing bidding technology from scratch.
Founded: 2013
Marketing Services: User Targeting and Strategic Communications
What they do: Applecart operates a data platform that helps organizations identify and reach high-level corporate executives and policy influencers. The company maps professional networks to locate key leaders and target them with tailored messages across digital media channels. By focusing on influential corporate and political figures, the technology enables businesses, advocacy groups and trade associations to sway major organizational decisions.
Founded: 2007
Marketing Services: Content Recommendation
What they do: Taboola operates a performance advertising network that places sponsored content recommendations at the bottom of articles across major publishers. The company generates revenue through native advertising placements and has expanded into direct product and service advertising. In April 2026, Taboola launched Realize+, an AI-powered ad optimization system that includes autonomous ad creative and management capabilities.
Founded: 1963
Marketing Services: Television Advertising Technology and Media Buying
What they do: Comcast operates as a global media conglomerate and technology company that powers television advertising campaigns across streaming and traditional networks. The company provides data and software that allow advertisers to reach target audiences while supplying distributors and publishers with tools to buy and sell ad inventory. Through its vast media infrastructure, Comcast delivers content and advertising solutions to millions of daily viewers.
Founded: 2022
Marketing Services: Influencer Creation and Creator-Led Social Campaigns
What they do: GrapevineAI connects consumer brands with content creators to build and run social media ad campaigns. The platform allows companies to license creator-generated content and run targeted ads directly through creator social accounts to improve campaign performance. By combining industry expertise with content management software, GrapevineAI helps brands acquire custom promotional material while creators monetize their personal channels.
Founded: 2011
Marketing Services: Cross-Channel Messaging and Marketing Campaign Orchestration
What they do: Braze offers cross-platform marketing solutions for companies looking to better interact with their customers. The company’s platform gives businesses the ability to create personalized customer engagement tools to go above-and-beyond in growing their customer bases. KFC, GAP, Domino’s Pizza and Postmates all use Braze as a way to communicate with customers.
Founded: 2016
Marketing Services: SMS and Conversational Mobile Marketing
What they do: Attentive that provides an automated marketing platform for email and text messaging. Using machine learning and autonomous AI features, the software helps businesses across various consumer industries optimize and personalize their customer communication. Attentive’s system automatically handles audience segmentation, message timing and campaign management to drive audience engagement.
Founded: 2004
Marketing Services: Video Monetization and Dynamic Ad Insertion
What they do: JWP Connatix builds technology that powers online video playback and digital advertising for media publishers and content creators. Formed through the merger of JW Player and Connatix, the company provides tools for streaming live and on-demand video across websites, mobile apps and connected TV devices. Its platform automatically places advertisements into video streams using algorithmic ad serving and server-side insertion to manage ad delivery and stream playback.
Founded: 2005
Marketing Services: Programmatic DSP and Cross-Device Advertising
What they do: Collective is a software platform designed to manage programmatic advertising across multiple media channels and vendors from a single interface. The technology unifies digital ad management by allowing media buyers to track and adjust campaigns across various publishers simultaneously.
Founded: 2019
Marketing Services: Consumer Purchase-Data Analytics
What they do: Attain tracks opt-in consumer spending data to help marketers target ad campaigns and directly measure sales results. The platform links ad exposure to actual purchases across industries like retail, dining, travel and entertainment. By integrating with major ad platforms such as The Trade Desk, Amazon, Meta and Walmart Connect, Attain allows companies to reach specific buyer segments and evaluate campaign performance in real time.
Founded: 2007
Marketing Services: Programmatic Demand-Side Platform and Targeted Messaging
What they do: Infillion provides programmatic ad tech solutions, having fully absorbed and integrated MediaMath’s demand-side platform (DSP) assets into its commercial media business. The company’s platform automates digital ad buying, allowing agencies and brand marketers to reach targeted consumer segments across multiple media channels. Ad buyers use Infillion to manage supply chains, execute real-time bidding strategies and optimize cross-channel ad campaigns.
Founded: 2009
Marketing Services: Behavior Targeting, Custom Geofencing and Omnichannel Tracking
What they do: Customers value products and content that cater to their preferences, so Foursquare is empowering businesses with in-depth consumer data. Companies can harness Foursquare’s geospatial technology to connect with customers in physical and online spaces. Because of this data-driven approach, businesses can make more informed decisions about the markets they enter, personalize their marketing strategies, and ultimately find more ways to retain customers.
Founded: 2004
Marketing Services: Cross-Platform Advertising
What they do: NBCUniversal has a family of brands that produce film and TV content for audiences all over the world, but it also offers TV advertising solutions through its One Platform tech stack. The technology leverages first-party data to enable precision audience targeting, streamlines the media buying experience and offers outcome-based measurement capabilities.
Founded: 2001
Marketing Services: Real-Time Sports Data Activation and Event-Triggered Campaigns
What they do: Genius Sports connects live athletic data with digital advertising channels to automate targeted marketing campaigns. The New York-based company uses its Moment Engine software to trigger advertisements immediately after major game events like goals or touchdowns. By delivering real-time game updates across agencies, ad platforms and broadcasters, Genius Sports’ technology helps marketers reach sports fans during critical moments.
Founded: 2010
Marketing Services: Out-of-Home Media Planning and Optimization
What they do: ADstruc provides workflow automation software for traditional outdoor advertising planning and buying. Vistar Media acquired the company in 2024, integrating it as a platform for agencies and media owners to streamline campaign planning, proposal management and proof-of-performance tracking across the U.S. out-of-home landscape. The platform offers media plan optimization, data layering and centralized inventory access for efficient OOH campaign execution.
Founded: 2007
Marketing Services: Personalized Video Advertising and Strategic Storytelling
What they do: SundaySky builds a digital video creation platform that automates the generation of customized video content for business audiences. Using machine learning, the software automatically incorporates user profile data to personalize video messages for individual viewers across industries like healthcare, finance and insurance. Corporate teams use the platform to distribute tailored video content through social media and digital advertising channels.
