No matter if you are a buyer or a seller, searching through the top programmatic AdTech companies is crucial if you want to reach the right audience. It’s no longer about basic showing of ads, but rather about finding a partner who can help you scale ad campaigns and leverage technologies.
While looking for the best programmatic advertising platforms for this guide, we focused on:
- DSP and SSP opportunities
- Years of experience in the field
- Whether the company works globally
- Selection of optimization and management services
- Support for multiple ad formats
- Transparency in communication
- Quality of customer support
The combination of these factors creates platforms worth your attention. If you are ready to discover the best AdTech partners of this year, read on.
PubMatic
When it comes to the top SSP platforms, a well-known service provider to consider is PubMatic. Established in 2006, this AdTech company, originally from the US, operates on a global scale. No matter where publishers live, they can benefit from the platform’s selection of features.
The core services offered by PubMatic include:
- Comprehensive supply-side platform
- AI-powered tools for analytics and forecasting
- Curated programmatic deals
- Access to premium ad inventory
- Support for ads across different formats (CTV, display, mobile, video, etc.)
The focus of PubMatic is on publishers, and the company offers plenty of optimization tools and extensive ad inventory features. The usual clients of this AdTech team are from different industries, such as telecom, finance, technology, digital publishing, and others.
SmartyAds
SmartyAds is one of the prominent leaders in the world of AdTech. Operating since 2011, this global company provides efficient solutions to advertisers and publishers in different niches. With a team of around 50 professionals, SmartyAds offers both self-serve and managed solutions to clients. You can decide which option works best for you.
As one of the top DSP platforms and SSP providers, SmartyAds provides their clients with:
- Self-serve demand side platform
- Self-serve supply side platform
- Support for different ad formats (interstitial, mobile, web, video, audio, etc.)
- Header bidding and yield optimization tools
- Optimization powered by ML and AI
- Curated deals from select publishers
- Data-driven audience segmentation
- Real-time bidding Ad Exchange
The solutions offered by SmartyAds are CCPA and GDPR-friendly, so there is a focus on responsible data management. Similar to other best demand-side platforms, SmartyAds helps clients in different industries, such as app development, e-commerce, entertainment, technology, and more.
OpenX
To continue with the best supply-side platforms operating nowadays, OpenX is another provider that won’t disappoint. This independent company with around 200 employees is known mostly for its SSP features and robust cloud technologies. While the headquarters are in California, USA, the offices are also found in Europe and Japan.
The current range of OpenX features includes the following:
- Fully independent SSP
- Real-time bidding opportunities
- Extensive cloud infrastructure for ad exchange
- Data integration features
- Advanced audience segmentation
- Support for different ad formats, such as video, audio, web, CTV
- AI-supported data processing
Being a top programmatic ad platform, this company is all about transparency and direct integrations with publishers. OpenX serves clients from the marketing and advertising to the streaming and telecommunications industries.
Choozle

If you are in search of a self-serve advertising platform, then Choozle may be the right one. This DSP provider from Colorado, USA, has been operating since 2012 and has a team of around 200 AdTech specialists.
This mid-sized team working on a global scale offers such services:
- Self-serve DSP or a managed one
- Integration with numerous demand partners
- Real-time ad optimization
- Extensive reporting features
- Audience segmentation according to different filters
- Support options in addition to self-serve
- Ad support across various formats (video, native, audio, CTV)
Choozle is a particularly suitable option for agencies and advertisers. A good thing about this provider is that you can choose whether you want a managed or a self-serve DSP. Some of the industries that the company works with are automotive, legal, travel, retail, consumer goods, and more.
Nexxen

To conclude the guide on the best ad networks for publishers and advertisers, let’s talk about Nexxen. This company offers a combination of both an SSP and a DSP, which makes it a versatile solution. This is an experienced provider working since 2007 with offices in the United States and Israel.
With the help of Nexxen, you get access to the following features:
- Supply-side and demand-side platforms
- Audience targeting and discovery features
- Marketplace with a large number of premium deals
- ML and AI-powered tools for optimization
- Features for dynamic campaign execution
- Support for multiple ad types
The company offers clients a selection of creative tools and the capabilities of both the SSP and DSP. The clients that normally turn to Nexxen work in broadcasting, entertainment, sports, digital publishing, and more.
Final Thoughts
With many professionals working and emerging, distinguishing the top 5 or top 10 ad exchange company options is not easy. All of the presented companies offer plenty of tools to plan, manage, and measure ad campaigns. You can choose whether you need an SSP, a DSP, or both. The mentioned teams have been around for years, use modern AI tools, and offer extensive targeting and optimization features.



