The display advertising software industry focuses on technology solutions that enable businesses to create, manage, and optimize their online advertising campaigns. Companies in this sector range from prominent players like Google Ads to specialized firms offering niche services. They provide tools for targeted advertising across various formats, such as display and mobile ads. As shifts towards more personalized consumer experiences rise, these firms are increasingly integrating artificial intelligence and machine learning to enhance their capabilities. Insightful analytics are becoming essential for measuring effectiveness, ensuring advertisers maximize their investment in a rapidly evolving digital space.

This list features a varied mix of companies specializing in display advertising software, including established names founded as early as 1996 and newer entrants from 2014 onwards. Their headquarters span locations from California to New York, and even Copenhagen. Company sizes differ, with teams ranging from around 50 to over 10,000 employees. These organizations specialize in services like programmatic buying, marketing automation, and audience targeting, positioning themselves to adapt to changing market demands and the increasing importance of data-driven advertising solutions.

Read on to discover the top display advertising software companies.

Top 22 Display Advertising Software Companies

1. AdRoll, a division of NextRoll

• Website: adroll.com
• Ownership type: Venture Capital
• Headquarters: San Francisco, California, United States (USA)
• Employee distribution: United States (USA) 56%, Ireland 22%, Australia 18%, Other 4%
• Latest funding: $70.0M, April 2014
• Founded year: 2007
• Headcount: 501-1000
• LinkedIn: adroll

AdRoll, a division of NextRoll, is a digital marketing agency based in San Francisco, California. Founded in 2007, the company specializes in providing comprehensive advertising solutions tailored for businesses across various sectors, including ecommerce and finance. AdRoll offers a wide range of services, such as display ads, video ads, and marketing automation tools, aimed at helping clients effectively engage their target audiences. The platform is designed to run full-funnel ad campaigns that optimize to specific marketing goals, leveraging advanced AI and machine learning for better targeting and performance. With a significant presence in the industry, AdRoll has served over 140,000 brands, showcasing its capability to drive revenue and enhance marketing strategies through data-driven insights. The company has received substantial funding, with its last reported amount being $70 million in 2014, indicating investor confidence in its business model and growth potential.

2. AppNexus

• Website: appnexus.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 65%, United Kingdom (UK) 10%, Brazil 10%, Other 15%
• Latest funding: $1.6B, June 2018
• Founded year: 2007
• Headcount: 1001-5000
• LinkedIn: appnexus

AppNexus, founded in 2007 and based in New York City, operates as a significant player in the digital advertising industry. Initially an independent company, it has since been integrated into Microsoft Advertising, enhancing its capabilities and reach. AppNexus specializes in providing a demand-side platform (DSP) that enables advertisers to effectively manage and optimize their digital advertising campaigns. The platform supports various ad formats, including display, video, and mobile, allowing businesses to engage with their target audiences through data-driven strategies. With a workforce of over 1,000 employees and a global presence, AppNexus has established itself as a key technology provider in the advertising ecosystem. The company has also attracted substantial funding, with a reported last funding amount of $1.6 billion in June 2018, underscoring its growth and relevance in the market.

3. Google Ads

• Website: ads.google.com
• Ownership type: Private
• Headquarters: Mountain View, California, United States (USA)
• Founded year: 1998
• Headcount: 10001+
• LinkedIn: google-ads-es

Google Ads, founded in 1998 and based in Mountain View, California, is a prominent advertising agency that specializes in online advertising solutions. The platform provides a variety of services, including search ads, display ads, and video ads, catering to businesses that seek to improve their online presence and drive customer engagement. Google Ads leverages artificial intelligence to enhance ad performance, ensuring that businesses can effectively reach their target audiences. The platform is designed to help advertisers manage multiple campaigns seamlessly, offering tools for conversion tracking, keyword planning, and performance analysis. With a focus on maximizing return on investment, Google Ads remains a vital resource for companies aiming to navigate the complexities of digital marketing.

4. Xandr

• Website: xandr.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 70%, India 6%, United Kingdom (UK) 6%, Other 19%
• Latest funding: December 2021
• Founded year: 2006
• Headcount: 1001-5000
• LinkedIn: xandr

Xandr, Inc., founded in 2006 and based in New York City, is an advertising technology company that specializes in digital advertising solutions. The firm provides a platform that facilitates the buying and selling of consumer-focused digital ads, catering to businesses in the advertising and marketing sectors. Their offerings include demand-side platforms, audience targeting, and video advertising solutions. Xandr operates under the umbrella of Microsoft, which allows it to utilize data-driven insights to enhance the effectiveness of advertising campaigns. The company has a global presence, with a significant portion of its workforce located in the United States, and it continues to innovate within the digital advertising space, focusing on maximizing the impact of advertising through advanced technology and analytics.

5. Adform

• Website: adform.com
• Ownership type: Private
• Headquarters: Copenhagen, Denmark
• Employee distribution: Lithuania 43%, India 13%, Poland 7%, Other 37%
• Founded year: 2002
• Headcount: 501-1000
• LinkedIn: adform

Adform is a digital advertising technology company headquartered in Copenhagen, Denmark. Established in 2002, it has grown to employ around 864 individuals across various locations, including Lithuania, India, and Poland. Adform specializes in providing innovative solutions for advertisers, agencies, and publishers, focusing on programmatic marketing automation. Its product offerings include a Demand Side Platform (DSP), Data Management Platform (DMP), and identity solutions, which enable clients to optimize their digital advertising strategies effectively. The company is recognized for its commitment to sustainability, having integrated carbon reduction features into its platform. Adform's ID Fusion solution is particularly noteworthy, as it helps advertisers navigate the complexities of a cookieless future by linking various first-party IDs. This adaptability and forward-thinking approach position Adform as a significant player in the digital advertising industry.

6. Media.net

• Website: media.net
• Ownership type: Corporate
• Headquarters: Dubai, Dubai, United Arab Emirates (UAE)
• Employee distribution: India 92%, United Arab Emirates 2%, United States (USA) 2%, Other 3%
• Latest funding: $900.0M, August 2016
• Founded year: 2010
• Headcount: 1001-5000
• LinkedIn: media.net

Media.net is an advertising technology company based in Dubai, UAE, founded in 2010. The company specializes in contextual advertising solutions, offering a variety of products that include contextual ads, display ads, and programmatic advertising services. Media.net aims to help publishers and advertisers maximize their revenue through effective monetization strategies. The company operates on a global scale, leveraging partnerships with major advertising networks, including the Yahoo! Bing Network, to provide access to a vast pool of advertisers. With a workforce of over 1,500 employees, the majority of whom are based in India, Media.net has established itself as a significant player in the advertising technology space. The company received substantial funding of $900 million in 2016, which underscores its growth potential and the confidence investors have in its business model. Media.net continues to innovate, focusing on enhancing user experience and maximizing revenue for its clients.

7. InMobi

• Website: inmobi.com
• Ownership type: Venture Capital
• Headquarters: Singapore
• Employee distribution: India 76%, United States (USA) 11%, United Kingdom (UK) 2%, Other 10%
• Latest funding: Other (Debt), $99.9M, September 2024
• Founded year: 2007
• Headcount: 1001-5000
• LinkedIn: inmobi

InMobi, founded in 2007 and headquartered in Singapore, is an advertising technology company that focuses on mobile advertising solutions. The company operates a mobile-first platform designed for brands, developers, and publishers, enabling them to connect with consumers through contextual advertising. InMobi serves a wide range of clients in the advertising and consumer sectors, helping them effectively reach their target audiences. With a workforce of over 1,000 employees, the company has a significant presence in India, the United States, and the United Kingdom. Recently, InMobi secured approximately $100 million in funding, which they plan to use for strategic growth and AI-focused acquisitions. Their advertising platforms, including InMobi Advertising and Glance Advertising, provide tools for app advertisers and publishers to engage and acquire users, optimize performance, and monetize mobile applications. InMobi's commitment to innovation and its robust suite of advertising solutions position it as a notable player in the mobile advertising space.

8. FreeWheel

• Website: freewheel.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 60%, China 19%, United Kingdom (UK) 10%, Other 12%
• Latest funding: March 2014
• Founded year: 2007
• Headcount: 1001-5000
• LinkedIn: freewheel

FreeWheel, founded in 2007 and based in New York City, is an advertising technology company that specializes in providing comprehensive platforms for publishers, advertisers, and media buyers. As a subsidiary of Comcast, FreeWheel leverages premium video content and advanced technology to facilitate transactions across various screens and data types. Their product suite includes DemandSuite, SupplySuite, Strata, and Beeswax, which are designed to optimize advertising strategies and enhance revenue generation. FreeWheel's clients primarily consist of businesses in the advertising and media sectors, utilizing data-driven insights to navigate the complexities of the advertising ecosystem. The company has established itself as a trusted partner in the industry, offering advisory services and insights to help clients improve their advertising effectiveness. With a global presence, FreeWheel operates in multiple countries, ensuring they can support clients in various markets.

9. Mediaocean

• Website: mediaocean.com
• Ownership type: Private Equity
• Headquarters: New York, New York, United States (USA)
• Employee distribution: India 42%, United States (USA) 40%, United Kingdom (UK) 6%, Other 12%
• Latest funding: August 2021
• Founded year: 1967
• Headcount: 1001-5000
• LinkedIn: mediaocean

Mediaocean is an advertising technology firm based in New York, founded in 1967. The company operates a mission-critical platform designed for omnichannel advertising, which integrates various aspects of ad management. Mediaocean offers services such as ad serving, creative personalization, and media finance solutions, enabling advertisers and agencies to manage and optimize their campaigns effectively. With a workforce of over 1,160 employees, the company has a significant presence in the industry, with a notable distribution of its workforce across India, the United States, and the United Kingdom. Mediaocean's platform is recognized for its ability to streamline advertising processes and enhance campaign performance, making it a vital player in the advertising technology sector.

10. Teads

• Website: teads.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: France 23%, United States (USA) 15%, United Kingdom (UK) 10%, Other 51%
• Latest funding: $1.0B, August 2024
• Founded year: 2005
• Headcount: 1001-5000
• LinkedIn: teads-

Teads is an advertising technology company based in New York, specializing in digital advertising solutions. Founded in 2005, Teads has carved out a niche in the advertising sector by providing tools that assist businesses in managing and optimizing their advertising campaigns. Their services include automatic ad positioning, which allocates budgets across various placements to maximize performance, and comprehensive performance reporting. This focus on enhancing campaign effectiveness has made Teads a valuable partner for businesses in the advertising and marketing sectors. The company has a global presence, with a significant employee distribution across countries like France, the United States, and the United Kingdom. Recently, Teads secured $1 billion in funding in August 2024, underscoring its ongoing relevance and potential for growth in the competitive advertising technology landscape.

11. Smartly

• Website: smartly.io
• Ownership type: Private Equity
• Headquarters: Helsinki, Uusimaa, Finland
• Employee distribution: Finland 36%, United States (USA) 21%, Germany 14%, Other 28%
• Latest funding: $222.3M, December 2019
• Founded year: 2013
• Headcount: 501-1000
• LinkedIn: smartly-io

Smartly.io, founded in 2013 and based in Helsinki, Finland, is an advertising technology company that provides a comprehensive platform for social media advertising. With a workforce of approximately 881 employees, Smartly.io serves brands and agencies across various industries, including retail, travel, gaming, and e-commerce. The company is dedicated to automating workflows and enhancing advertising strategies through its innovative software solutions. Smartly.io has raised significant funding, with the last reported amount being over $222 million in December 2019. This financial backing supports their ongoing development and expansion in the advertising technology sector, particularly in creative production and campaign management. Their platform integrates advanced data intelligence features, allowing users to optimize their advertising efforts effectively.

12. Simpli.fi

• Website: simpli.fi
• Ownership type: Private Equity
• Headquarters: Fort Worth, Texas, United States (USA)
• Employee distribution: United States (USA) 98%, Other 2%
• Latest funding: June 2021
• Founded year: 2010
• Headcount: 501-1000
• LinkedIn: simpli.fi

Simpli.fi is an advertising technology company based in Fort Worth, Texas, founded in 2010. The company provides a comprehensive platform for programmatic media buying, offering solutions that cater to advertisers and agencies. Their services include targeted advertising across multiple digital channels, such as display, mobile, video, and connected TV (CTV). Simpli.fi's platform is designed to help clients reach and engage their audiences effectively, utilizing unstructured data for precise targeting. With a workforce of approximately 665 employees, the company has established itself as a significant player in the advertising technology sector, focusing on delivering measurable results and optimizing advertising campaigns. Simpli.fi has not reported any recent funding, indicating a stable operational status since its last funding round in June 2021.

13. StackAdapt

• Website: stackadapt.com
• Ownership type: Private Equity
• Headquarters: Toronto, Ontario, Canada
• Employee distribution: Canada 57%, United States (USA) 26%, United Kingdom (UK) 7%, Other 10%
• Latest funding: $235.0M, February 2025
• Founded year: 2014
• Headcount: 1001-5000
• LinkedIn: stackadapt

StackAdapt, founded in 2014 and based in Toronto, Ontario, is an advertising technology firm that provides a comprehensive programmatic advertising platform. The company focuses on helping businesses across various sectors, including finance, healthcare, and travel, to plan, execute, and analyze their digital advertising campaigns. StackAdapt's platform is designed to optimize campaign performance through advanced analytics and machine learning. With a workforce of over 1,300 employees, the company has established a strong presence in the advertising technology space. Recently, StackAdapt secured $235 million in funding, which underscores its growth potential and commitment to innovation in the advertising sector. Their offerings include not only display advertising but also native, video, and connected TV advertising, making them a versatile player in the digital marketing arena.

14. Adcash

• Website: adcash.com
• Ownership type: Private Equity
• Headquarters: Tallinn, Harju, Estonia
• Employee distribution: Estonia 72%, Spain 16%, Bulgaria 8%, Other 4%
• Latest funding: Series A, $23.7M, January 2015
• Founded year: 2007
• Headcount: 51-200
• LinkedIn: adcash

Adcash, founded in 2007 and based in Tallinn, Estonia, is a digital marketing platform that specializes in providing advertising services tailored for businesses and organizations. The company offers a comprehensive suite of tools designed for creating and managing ad campaigns, monetizing web traffic, and leveraging advanced analytics alongside anti-fraud technology. Adcash serves a wide array of clients, including advertisers and publishers across various sectors, helping them enhance their advertising effectiveness and revenue generation. With a workforce of approximately 109 employees, the company has established a strong presence in the industry, boasting a daily reach of 200 million unique users and operations in 195 countries. Adcash has also secured funding, with a notable Series A round amounting to approximately $23.7 million in 2015, which has likely contributed to its growth and technological advancements in the competitive advertising space.

15. Rakuten Marketing

• Website: rakutenmarketing.com
• Ownership type: Private
• Headquarters: San Mateo, California, United States (USA)
• Founded year: 1996
• Headcount: 501-1000
• LinkedIn: rakuten-marketing

Rakuten Marketing, operating under the name Rakuten Advertising, is a marketing consultancy based in San Mateo, California. Founded in 1996, the company specializes in performance-driven advertising solutions, offering services such as affiliate marketing, influencer marketing, and digital media solutions. Rakuten Advertising connects brands with the right partners to optimize marketing strategies and enhance audience engagement. Their display advertising solutions are designed to maximize campaign effectiveness through advanced analytics and creative strategies. The company has established a strong presence in the industry, reaching over 1.2 billion consumers and facilitating more than 200 million transactions. Their commitment to performance is reflected in their recognition through various industry awards, highlighting their innovative approach to marketing.

16. Mgid

• Website: mgid.com
• Ownership type: Venture Capital
• Headquarters: Los Angeles, California, United States (USA)
• Employee distribution: Ukraine 49%, United States (USA) 10%, Thailand 8%, Other 34%
• Latest funding: November 2009
• Founded year: 2004
• Headcount: 501-1000
• LinkedIn: mgid-inc-

MGID is a digital marketing platform based in Los Angeles, California, founded in 2004. The company specializes in native and programmatic advertising solutions, catering to both advertisers and publishers. With a workforce of approximately 634 employees, MGID operates on a global scale, reaching up to a billion people each month. The company is recognized for its innovative advertising strategies that help clients effectively target audiences and maximize revenue. MGID's services include case studies, webinars, and a knowledge base, showcasing their commitment to providing valuable insights and expertise in the advertising sector. Their recent initiatives, such as the launch of an all-in-one monetization and audience engagement solution, further highlight their active role in the industry. MGID has not reported any recent funding, indicating a stable operational model since its last funding round in 2009.

17. Smaato (Now part of Verve)

• Website: smaato.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Germany 61%, United States (USA) 18%, India 10%, Other 10%
• Latest funding: $170.0M, July 2021
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: smaato

Smaato, now part of Verve, is a digital advertising platform based in New York City, founded in 2005. The company provides comprehensive solutions for ad monetization, catering to both publishers and marketers. Smaato's platform allows users to manage ad placements across various formats, including mobile, video, and display ads. With a focus on transparency and control, Smaato enables its clients to optimize their advertising strategies effectively. The company has a significant presence in the ad tech industry, processing billions of ad requests monthly and reaching a vast audience of unique users. In July 2021, Smaato secured $170 million in funding, underscoring its growth and relevance in the competitive advertising landscape.

18. Vistar Media

• Website: vistarmedia.com
• Ownership type: Corporate
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 54%, Netherlands 15%, Australia 11%, Other 20%
• Latest funding: $600.0M, January 2025
• Founded year: 2011
• Headcount: 51-200
• LinkedIn: vistar-media

Vistar Media, founded in 2011 and based in New York City, is an advertising technology company that specializes in out-of-home (OOH) advertising solutions. The company provides a programmatic marketplace and enterprise software designed to help marketers and media owners optimize their advertising campaigns. Vistar Media's platform integrates various data solutions, allowing for precise targeting and effective campaign management. With a workforce of around 323 employees, the company has established itself as a significant player in the OOH advertising space, working with brands and agencies globally. Vistar Media has also secured substantial funding, with a reported last funding amount of $600 million in January 2025, indicating strong investor confidence in its business model and growth potential.

19. GroundTruth

• Website: groundtruth.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: India 53%, United States (USA) 46%
• Founded year: 2009
• Headcount: 201-500
• LinkedIn: groundtruthco

GroundTruth, founded in 2009 and based in New York City, is a media platform that specializes in targeted advertising solutions aimed at driving in-store visits and measurable business results. The company offers a range of services, including audience targeting, location targeting, and creative services, primarily serving businesses in industries such as retail and automotive. GroundTruth leverages advanced technology to measure the effectiveness of advertising campaigns, providing clients with insights into consumer behavior and campaign performance. Their proprietary technology, Blueprints, maps real-world consumer behavior, allowing advertisers to create precise audience segments and attribute real business results to their marketing efforts. With a workforce of approximately 358 employees, GroundTruth operates primarily in the United States and India, reflecting a global approach to advertising solutions. The company has not reported any recent funding, indicating a stable operational model.

20. Kargo

• Website: kargo.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 81%, Ireland 7%, Australia 5%, Other 7%
• Founded year: 2003
• Headcount: 201-500
• LinkedIn: kargo

Kargo is an advertising technology company based in New York, founded in 2003. With a workforce of approximately 201-500 employees, Kargo focuses on creating innovative advertising solutions tailored for brands across mobile, CTV, and social media platforms. The company is dedicated to enhancing advertising effectiveness and engagement, providing services that help businesses refine their marketing strategies. Kargo has established itself as a significant player in the advertising technology space, particularly with its emphasis on premium supply and advanced targeting capabilities. Their approach includes AI-driven contextual targeting and unique ad formats that aim to capture user attention more effectively. Kargo's commitment to quality and transparency in advertising is evident in their operations, which are designed to combat fraud and ensure brand safety. They have also made strides in integrating with leading demand-side platforms (DSPs), further solidifying their position in the industry.

21. RevContent

• Website: revcontent.com
• Ownership type: Private Equity
• Headquarters: Sarasota, Florida, United States (USA)
• Employee distribution: United States (USA) 95%, Bangladesh 5%
• Latest funding: June 2021
• Founded year: 2013
• Headcount: 51-200
• LinkedIn: revcontent

RevContent, founded in 2013 and based in Sarasota, Florida, is a digital marketing firm that specializes in native advertising solutions. The company connects advertisers with engaged audiences on prominent publisher sites, facilitating effective ad campaign management. RevContent provides services such as dedicated account management and real-time reporting, which are crucial for optimizing advertising efforts. The company operates primarily in the advertising and media sectors, focusing on monetization strategies that align with the evolving digital landscape. With a workforce of around 64 employees, RevContent has established itself as a player in the native advertising space, emphasizing a cookieless future and sustainable monetization practices. Their commitment to enhancing user experience while driving revenue for publishers further solidifies their relevance in the advertising industry.

22. Celtra

• Website: celtra.com
• Ownership type: Private Equity
• Headquarters: New York, New York, United States (USA)
• Employee distribution: Slovenia 58%, United States (USA) 32%, United Kingdom (UK) 7%, Other 2%
• Latest funding: $190.0M, November 2021
• Founded year: 2006
• Headcount: 201-500
• LinkedIn: celtra

Celtra is a marketing technology firm based in New York, founded in 2006. The company focuses on creative automation and digital advertising solutions, providing services such as dynamic product ads and creative enablement. Celtra's platform allows brands and media companies to automate the production of digital advertising content, optimize campaigns, and ultimately drive revenue growth. With a workforce of around 202 employees, the company has a significant presence in Slovenia, the United States, and the United Kingdom. Celtra has established itself as a trusted partner for major brands, including Unilever, which relies on its solutions to streamline creative processes and enhance digital advertising effectiveness. The company has also received substantial funding, with its last round totaling $190 million in November 2021, reflecting strong investor interest in its innovative approach to advertising technology.

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