List of the Top 6 Supply-Side Platforms (SSP) for Prebid in 2025

Sharethrough delivers innovative programmatic display and video advertisements that seamlessly integrate while still standing out. We enable both publishers and marketers to effectively update their advertising methods to engage and maintain their target audiences. Our selection process for ad placements is meticulous, ensuring we find the most suitable locations for each advertisement. Once these optimal spots are identified, our technology springs into action, utilizing a Dynamic Ad Template that adapts the advertising message to harmonize with its environment, thereby maximizing performance. Our native advertising™ solutions are expertly crafted to scale and connect with all demographic groups. For buyers looking to harness the advantages of native advertising™ using their existing creative assets, Enhanced Ads provide an excellent alternative. When Sharethrough is chosen as a standard display or outstream source, your advertisements will automatically conform and optimize for peak performance. This ensures that every campaign achieves its full potential, engaging audiences in a meaningful way.

Xandr, a branch of Microsoft, operates as a global advertising company that provides a technology-driven platform enriched with data, designed to foster a marketplace for premium advertising. This cutting-edge platform is dedicated to optimizing returns for both advertisers and publishers, while steadfastly adhering to the ideals of an open marketplace and championing the global open web. Among the key products offered by Xandr are Invest DSP, Monetize SSP, and Curate, all of which enable advertisers to connect effectively with their desired audiences and assist publishers in boosting their revenue. With a strong worldwide presence, Xandr is strategically positioned as a vital partner for brands aiming to expand their international reach and enhance audience engagement. As the dynamics of digital advertising continue to shift, Xandr is determined to evolve its offerings in order to align with the ever-changing demands of the marketplace and ensure continued success for its clients. This adaptability reflects their commitment to innovation and excellence in the advertising sector.

Sovrn offers a diverse array of advertising solutions, technologies, and services tailored for a wide variety of content creators, which helps them generate revenue, grow their businesses, and access a vast pool of data that provides insightful analytics. We understand the importance of unique storytellers, a belief that resonates with the advertisers who choose to partner with us. Our dedication is towards fostering fair and transparent advertising practices, supporting net neutrality, and cultivating strong connections between publishers and advertisers. Regardless of whether you are a seasoned publishing professional or just starting out, we are committed to helping you effectively monetize your content. Our services feature header bidding, server-to-server bidding, and waterfall advertising methodologies. By partnering with top-quality, independent publishers, you can significantly enhance your campaign reach and engage with a responsive audience. We support display, mobile, and video campaigns through our esteemed, certified exchange. Additionally, some of the most respected websites and leading brands around the world depend on Sovrn for exceptional value and measurable results, ensuring mutual benefits from each partnership. Through our innovative tools, content creators can unlock their potential and achieve heightened success in the ever-evolving digital landscape, ultimately leading to a more sustainable business model.

Magnite is recognized as the leading independent platform for sell-side advertising in the world. We are dedicated to supporting your success across diverse channels and formats, customized to fit your unique requirements. Our strategy is distinctly collaborative; instead of competing with you, we partner with you, granting you full access to our advanced technology and knowledgeable teams who help you stay ahead in the market. With our extensive experience, we provide invaluable insights, while our independence guarantees that you receive impartial guidance without any hidden fees or obstacles, allowing your investments to yield greater returns. By collaborating with us, you benefit from our expansive global presence, strong brand protection, and sophisticated tools designed to connect you with your target audiences, regardless of their location. Magnite (NASDAQ: MGNI) combines the programmatic strengths of Rubicon Project with the streaming capabilities of Telaria, allowing publishers to effectively monetize their content across various platforms, such as desktop, mobile, audio, and connected TV. This all-encompassing approach ensures that content creators can fully realize their revenue potential while crafting engaging experiences for their audiences, ultimately fostering a thriving ecosystem for both advertisers and publishers alike.

Microsoft Monetize is a strategic platform created to optimize inventory management and address a variety of buyer needs, enabling you to fully leverage the potential of your inventory. It provides a cohesive method for handling inventory and demand across multiple types of transactions, channels, and formats. With its robust analytics and data capabilities, the platform aids in effectively maximizing the value of your inventory. Its distinct emphasis on both buyers and sellers encourages varied demand and scalability. Additionally, it strengthens your business with a comprehensive supply-side solution that supports cross-channel monetization while offering critical insights. By gaining control over your entire advertising sales process, from strategic planning to execution, you benefit from a clear and transparent ad-serving solution that improves operational efficiency. This all-encompassing strategy ensures that you remain competitive in a fast-paced market landscape, allowing you to adapt and thrive amidst ongoing changes. Ultimately, Microsoft Monetize positions your business to seize new opportunities and harness growth in an increasingly digital world.

By placing the needs of publishers at the forefront, we enable our clients to fully realize the potential of their digital assets while providing marketers with straightforward access to high-quality inventory. Our dedication to tackling the most pressing challenges in the sector has established us as frontrunners in sell-side innovation throughout the years. We offer vital audience insights and sophisticated machine-learning algorithms that enhance monetization across a variety of devices, channels, and ad formats. PubMatic has created a global framework aimed at fostering meaningful connections among consumers, content, and brands on a large scale. It is essential to equip you with the necessary tools for making informed and strategic decisions. Our product vision strives to furnish clients with a holistic advertising technology stack. Additionally, we have crafted a flexible system where each component can be customized and expanded to address specific requirements. This adaptability not only ensures that our clients can keep pace with the rapidly changing environment but also empowers them to seize new opportunities for growth and success. The future of advertising is not just about technology; it's about creating lasting partnerships that drive mutual success.