Are you struggling with advertising across channels? Is it hard to track campaign results? The optimal solution is to go for the best programmatic advertising platforms that provide omnichannel marketing, built-in analytics tools, and an intuitive interface. But how can you find the right advertising partner from the endless options that actually deliver results? There are four main factors you need to pay attention to when choosing the platform:
Have been on the market for at least 5 years
Support multiple ad formats and channels
Feature a good customer rating
Obtained industry-specific awards
In this listing, you’ll find the 5 top programmatic AdTech companies that meet these criteria.
SmartyAds is a full-stack ad tech company with 14 years of experience and a global presence. The company was created for omnichannel reach and helps advertisers manage campaigns across display, video, native, audio, in-app, and connected TV.
SmartyAds has one of the best demand-side platforms on the market, powered by machine learning. It allows advertisers to handle precise contextual targeting in real-time and make ads in Creative Builder. The platform integrates with leading data providers to provide advanced targeting, while detailed analytics dashboards that track impressions, CTR, conversions, and win rates ensure transparency and measurable ROI. Over 1,000 big brands use this platform for advertising, maximizing their reach by five times.
The company also runs its own SSP platform for publishers. It supports a wide range of advertising formats and channels, including video, banners, native, and in-app, so publishers can efficiently monetize their inventory across various environments. Its interface allows them to set price floors, control demand partners, and get real-time reports on revenue and traffic performance. Besides, being one of the top SSP platforms it uses header bidding and AI to make sure publishers get the best possible price for every impression.
The company has been recognized with the VideoWeek European Video Awards, Stevie Awards, Red Herring, and MarTech Breakthrough. In 2023, it was marked as “High Performer” on G2, having a customer rating of 4.6 out of 5 stars.
2. PubMatic
PubMatic is another big ad tech company, founded in 2006 and headquartered in Florida. It provides one of the best supply-side platforms for publishers, partnering with Google, WordPress, Microsoft, and eBay.
The SSP platform supports multiple formats and channels, such as mobile, video, CTV, web, and in-app. One of their primary advantages is the OpenWrap SDK, a tool that helps publishers set up header bidding and optimize first-price auctions, especially for mobile in-app inventory.
The platform follows strict standards like ads.txt and sellers.json to make sure the supply chain is clear and fraud-free. In the fourth quarter of 2024, an analyst report on sell-side platforms named PubMatic a leader. The platform has a good customer rating on TrustRadius, with reviews mentioning its user-friendly interface and reliable access to demand.
3. Trade Desk
Trade Desk was founded in 2009 in California and, since then, has become one of the leading advertising technology companies. They developed one of the top DSP platforms to help advertisers and agencies manage digital advertising campaigns across channels. The platform gives users full control to set budgets, manage targeting, and optimize bids in real time.
The system provides AI tools to help advertisers find ad impressions that are more likely to convert and refine them to meet campaign goals. The feature set lets traders make real-time changes to bids, pacing, budget allocation, and creative delivery based on data.
The company has a customer rating of 4.6 out of 5 stars on Gartner Peer Insights, where it was listed as a 2023 Customer Choice in advertising technology. The platform has also won several industry awards, including ones from the Martech Breakthrough Awards, The Drum Digital Advertising Awards, and recognition in the Adweek Best of Tech Awards.
4. Viant Technology
Viant Technology was founded in 1999, and over time, it has become a top 10 ad exchange company. Viant Technology grew by acquiring other businesses. Thus, one of the most important acquisitions was the mobile DSP Adelphic, which it purchased in 2015. Later, the company was rebranded to Viant, and the DSP became its main offering.
One of their best products is ViantAI, a system that helps with planning campaigns, automatic bidding, and measuring results. Advertisers can set some basic rules, and ViantAI will create a plan, improve it, and report on results. Viant also uses its own system called Household ID to understand audiences and attribution better, and it lets publishers use data and access inventory directly, so they can monetize more effectively.
In 2025, ViantAI won the MarTech Breakthrough award for the best AI-powered advertising solution. On G2, the self-service DSP is ranked #3 in the Winter 2023 G2 Grid Report for demand-side platforms and has a rating of 4/5 with over 200 positive reviews.
5. Criteo
Criteo is a French ad tech company, specializing in the commerce media space. It has official partnerships with Shopify and helps grow revenue for such brands as Adidas and Yves Saint Laurent.
Criteo offers one of the best ad networks for publishers, called Commerce Grid. The platform provides publishers with tools to help them manage curated deals and supply packages, enriched data overlays for deals, and detailed reports to help them analyze performance and match rates. By using first-party data, login info, and predictive signals, publishers can make more of their ad space visible to buyers and increase its value. The company has a rating of 4.2/5 on Gartner Peer Insights.
Conclusion
A top programmatic ad platform doesn’t just launch ads; it drives a smarter advertising strategy. The platforms above combine AI, data, and omnichannel tools to help advertisers reach audiences effectively and publishers boost revenue. Companies such as SmartyAds or PubMatic set standards for innovation and performance in the industry, driving growth for their clients.
