Explore The Best 20 Ad tech companies

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New-age AdTech companies are most important in transforming marketing strategies into reality. These companies are utilizing tools such as automation, AI, and machine learning for real-time ad purchasing and the optimization of campaigns. The best part of these companies is, they offer platforms and software solutions that help marketers manage campaigns effortlessly and fine-tune ad placements as needed. This article will help in identifying the best ad tech companies in the USA. We will also discuss how these ad tech companies are vital for businesses aiming to reach their target audiences. Regardless of company size, these ad tech companies help to realize their advertising goals and reach their target audience with less effort.

Ad Tech Company Meaning

Ad tech is a technology-driven platform that helps marketing and advertising easier. This consists of all the tools and software used to manage and automate digital advertising. This helps streamline buying and selling ads, targets the right audience, delivers and tracks ads, and optimizes campaigns.

According to Gartner, “The ad tech market is a technology for managing digital advertising across channels and devices, including display, video, streaming TV and audio, in-app (including games), social, and search. It provides functions for campaign planning, media buying, advertising analysis, optimization, and automation.”

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AdTech Market Size

Ad tech companies consist of different facets of the digital advertising process including Demand-Side Platforms (DSPs) and supply-side platforms (SSPs). DSPs enable advertisers to buy ad inventory programmatically while SSPs facilitate publishers in selling their ad space efficiently.

The global AdTech market size was estimated at ~USD 600 billion in 2023. The ad tech market is expected to grow at a compound annual growth rate (CAGR) of 14% from 2024 to 2030 to reach ~USD 1.5 trillion by 2030 driven by the increasing use of programmatic advertising.  

Top AdTech Companies & Startups

It is worth discussing the big names in ad tech market. The top Adtech companies are as below.

  • Meta Business Suite
  • Mediaocean
  • The Trade Desk
  • Google Campaign Manager 360
  • Basis
  • Adform
  • Quantcast Platform
  • Adobe Advertising
  • Amazon Ads
  • Amobee
  • Criteo Dynamic Retargeting
  • Skai Omnichannel Marketing Platform
  • AdRoll Growth Marketing Platform
  • MediaMath
  • Yahoo Advertising
  • InMobi Exchange
  • Zeta – IgnitionOne Digital Marketing Suite (Legacy)
  • Innovid
  • Xandr – AppNexus Programmable Platform (Legacy)
  • Simpli.fi Demand-Side Platform (DSP)

Apart from the above big players in the adtech market, many startups have strengthened themselves in this market while growing faster than their big players. Below are the top adtech companies in the startup arena.

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Top AdTech Companies in Startup Arena

Amazon Ad Server/ Sizmek/ RocketFuel

  • RocketFuel Established: 2008
  • Promoters of the company: George John, Richard Frankel, and Abhinav Gupta
  • Headquarters: Redwood City, California
  • Branches: Over 20 locations worldwide

Rocket Fuel was an ad technology company, that completed an initial public offering in September 2013. The company was acquired by Sizmek in 2017.

Founded in 2013, Sizmek is an ad tech company that offers digital advertising services. The company Headquartered in Austin, Texas, Sizmek Inc. is one of the largest creative optimization data activation and predictive marketing platforms.

Amazon acquired Sizmek in 2019 and rebranded Sizmek’s ad suite as Amazon Ad Server.

PrizeOut Adtech

  • The company founded: 2019
  • Headquarters: New York, New York
  • Promoters of the company: David Metz, Founder and CEO of Prizeout.
  • Branches: Over 2 locations in the USA

With over USD 1 million in revenue sales, Prizeout ad tech works within the gaming, gig economy, payroll & finance industries to turn withdrawals into a growth solution for e-commerce & retail businesses.

Millennial Media

  • The company founded: 2006
  • Headquarters: Baltimore, MD, USA
  • Promoters of the company: Mica Olinghouse
  • Branches: Over 5 locations in the USA (also present in other cities globally)

Millennial Media provides digital advertising solutions such as mobile advertising to publishers, developers, and mobile operators. Millennial Media serves customers in the USA and worldwide. AOL acquired Millennial Media on October 23, 2015.

The company’s core mission is to streamline the mobile advertising process, making it more accessible and manageable for its partners. The company has a high customer reference rating of 4.7 based on 2734 user ratings, indicating strong customer satisfaction.

Global Presence: With headquarters in Baltimore, they maintain a global footprint with additional offices in key cities such as Boston, London, Singapore, New York City, and San Francisco.

Permutive Adtech

  • The company founded: 2013
  • Location: London, UK
  • Promoters of the company: Joe Root and Tim Spratt
  • Branches: Over 2 locations in New York, USA and London

Permutive is an advertising data management platform for publishers as well as advertisers. The platform gives access to publishers by enabling them to reach and monetize 100% of their audience. Publishers can also drive direct deals to win more RFPs and secure repeat business with advertisers.

Infosum Ad tech

  • The company founded: 2016
  • Location: London, England, United Kingdom
  • Promoters of the company: Nick Halstead, InfoSum Founder and CTO
  • Branches: Over 5 locations including London, New York, and Hamburg.

Infosum is a platform that helps in creating a “decentralized data ecosystem”. The platform allows advertisers to share data securely with vendors and partners. Broadly, the InfoSum platform powers fast, easy, and effective first-party data collaboration. This helps in maximizing the marketing performance of the advertisers in a privacy-first world.


  • The company founded: 2020
  • Location: Memphis, Tennessee,
  • Headquarters is in the USA

Copy.AI is an Artificial Intelligence (AI) powered platform that helps in generating high-quality and effective content for marketing people, bloggers, and content writers. Copy.AI mainly helps agencies, copywriters, and E-Commerce brands in the social media space.

Adtech startup Kevel 

  • The company founded: 2010
  • Location: Durham, North Carolina
  • Promoter: James Avery

Kevel is a platform for building custom ad servers. Kevel API helps developers build these custom ad platforms for retail media, native ads, sponsored listings, DOOH, and other promotions directly to their website or app.

Adtech startup C Wire

  • Year founded: 2020
  • Location: Zurich, Switzerland
  • Promoters: Chris Morgan, Rui de Freitas, Tom Spiegel, Yannick Koechlin
  • Branches: More than 3 locations

C Wire is one of the best ad tech companies that enable advertisers and publishers to unlock their full advertising potential on the platform. The platform leverages AI and machine learning tools to optimize ad performance and provides real-time reporting and analytics.

Creatopy one of the top Ad tech companies

  • Year founded: 2021
  • Location: San Francisco, California
  • Promoters: Gabriel Ciordas is the Founder and Dan Oros is the CEO of the company

Creatopy is another best ad tech company that helps businesses customize, automate, and scale up their ad production and delivery.

The company offers a cloud-based design and advertising platform and provides a range of tools for creating and managing advertising campaigns, including banner ads, social media ads, and email marketing campaigns. The platform is easy to use with features like a drag-and-drop design editor, collaboration tools, and a library of templates and stock images.

Adtech companies Adsterra

  • Year founded: 2013
  • Location: Nicosia, Cyprus

Adsterra is one of the best ad tech companies worldwide. This is a global advertising platform that serves over 30 billion ad impressions per month worldwide. The platform serves over 30000 advertisers and publishers worldwide. The platform provides services in various ad formats, including pop-ups, pop-unders, display banners, etc. while connecting publishers, advertisers, and affiliates in one place.

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Frequently Asked Questions (FAQs)

What are the most eminent tech corporations?

The most prestigious tech companies are typically recognized for their innovation, market influence, and financial performance. The list of such companies often includes global giants like Apple, Google, Amazon, Microsoft, and Facebook.

How do MarTech and AdTech differ from each other?

MarTech, or Marketing Technology, aids marketing teams in managing and optimizing their campaigns, focusing on developing leads, nurturing customer relationships, and enhancing conversions. AdTech, or Advertising Technology, concentrates on the strategic placement of advertisements to reach the right audience effectively.

What is the total number of AdTech companies currently operating?

There are 9,233 AdTech companies in existence, with notable examples including the companies mentioned above.

How do AdTech companies generate revenue?

AdTech companies earn income by providing services such as displaying ads, managing advertising campaigns, and conducting data analysis for their clients. Many also profit through ad exchanges, where they facilitate the buying and selling of advertising space between publishers and advertisers.

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