Do you want to have full control over inventory rather than waiting for the ad agency team members to make changes? Then youâll appreciate the self-service DSP alternative. Such platforms give you full control over targeting, campaign management, and real-time optimization at a lower spend.
To help you narrow the search, weâve picked the top 5 ad exchange companies that:
- Have been on the market for 10+ years.
- Offer accessible omnichannel platforms.
- Prioritize fast onboarding.
- Have strong customer ratings.
Scroll down to find the most reliable advertising partner.
1.SmartyAds

SmartyAds is an international company that offers the best programmatic advertising platforms both for advertisers and publishers. Itâs been on the market for more than 15 years, providing top-tier advertising tools and services for 1,000+ global brands.
The company has developed its own self-service DSP for advertisers and agencies, which streamlines programmatic ad buying across channels. The platform is cloud-based, supporting all popular formats like display, audio, video ads, in-app, CTV, and even DOOH. It uses machine learning and real-time bidding to optimize campaigns. Advertisers can select targeting options based on audience data, location, context, and performance goals, while the system controls budget pacing and bidding.
SmartyAds also created one of the best supply-side platforms, which allows publishers to boost their revenue from inventory. The SSP uses header bidding, private deals, and real-time analytics. This gives publishers more control over prices and the sources of demand.
The company has official partnerships with Opera, Rakuten Advertising, and Google. On Trustpilot, it holds 4 stars, while on G2, its score is 4.5/5. The company was also ranked as a High Performer by the G2 platform in 2023 and received multiple industry recognitions from the Stevie Awards, DADI, SIA, Red Herring, and MarTech Breakthrough.
2. AdLib

AdLib is another AdTech company that offers one of the best demand-side platforms on the market. Itâs a versatile tool that allows you to manage all ad campaigns in one place with no technical skills. It also works with high-quality ad sources, like Netflix, Amazon, Hulu, Disney+, Twitch, and YouTube, which gives clients a lot of exposure across the web.
Advertising companies can use this self-service DSP to buy ad space on CTV, radio, mobile devices, laptops, and even digital billboards. Customers can set their targeting goals, and the platform will then automatically bid and optimize their ads.
The company is an official partner of Microsoft Advertising, PayPal Ads, Spotify, and many other brands. The AdLib platform has also been praised on G2, which gave it an âEasiest to Do Business Withâ Award in 2024. Customers praise the platformâs usability, helpful support team, campaign management, and targeting capabilities.
3. Nexxen

Nexxen is an international company with operating teams in Europe, North America, Asia, and Latin America. It provides some of the best ad networks for publishers and buyers, combining data and technology.
The self-service DSP helps buyers build and run programmatic ads of different formats, such as mobile, display, connected TV, and video. The platform adjusts bidding for campaigns in real time based on the potential campaign reach. Nexxen’s data system is linked to the platform, helping target audiences more effectively while still protecting privacy.
The company also offers one of the top SSP platforms to maximize publishersâ revenue. It emphasizes high-quality supply and sophisticated audience insights, offering innovative tools and analytics-driven yield enhancement.
Nexxenâs seamless architecture powers both DSP and SSP, giving them access to the proprietary Nexxen Data Platform. This platform seamlessly integrates identity, viewing, and engagement signals, enhancing targeting and measurement capabilities.
4. StackAdapt

StackAdapt is based in Canada, serving about 40,000 brands and agencies. It provides one of the top DSP platforms that uses machine learning and automation for streamlining and optimizing campaigns. Advertisers can plan, buy, and measure advertisements all from one platform, instead of having to buy ads manually on many sites and applications.
The DSP allows managing multi-channel campaigns across web, mobile, video, native, and connected TV inventory. With its reach, advertisers can create seamless campaigns to engage users across devices with no need for extra tools. It uses first-party data to improve tailored targeting and reporting, leading to better campaign insights and performance evaluation.
The platform was ranked as the #1 DSP on G2 for multiple years, holding many awards in different categories. Its customer rating on G2 is 4.7, with over 800 reviews.
5. Choozle

Having over 14 years on the market, Choozle has developed a top programmatic ad platform for marketers of all sizes. It gives advertisers control and helpful support to eliminate the need for a technical team.
The companyâs main product is an omnichannel platform for managing campaigns across different channels from a single dashboard. Its users can employ targeting tools, real-time performance tracking, and benefit from advanced bidding. Being the top 10 ad exchange company in many lists, it has integrations with other popular DSPs such as The Trade Desk, Amazon Ads, and Walmart Connect, and offers access to premium inventory from over 140 supply partners.
Choozle currently holds a 4.2 rating on G2, with more than 200 reviews. Customers appreciate the helpful support team and advanced campaign management capabilities.
Conclusion
When choosing a decent self-service DSP, think of your business size and goals. Some tools offered by the top programmatic AdTech companies are more useful for big enterprises, while others are targeted at small teams. Make sure the platform supports all required formats, especially if you work with non-conventional ones like DOOH. Lastly, choose platforms that invest in privacy-safe targeting, so that youâll stay one step ahead when rules change.
