Top Programmatic Buying Startups in 2026

An evolution of online media technology pioneer, Casale Media, Index equips enterprise sellers with custom architected solutions, fully transparent sell-side management technology, and access to programmatic demand that has been organized and certified by humans. We create our solutions with you in mind.

Jampp builds a suite of growth products that all growing on-demand businesses can use to accelerate growth across the customer lifecycle, from acquisition, to engagement and retention. A demand-side platform (DSP) at heart, Jampp unlocks programmatic advertising for some of the biggest names in mobile (like Uber, Rappi, iFood, & Postmates to name a few). We solve the most complex and large-scale technological challenges on mobile advertising today. Jampp handles over 50 billion ad requests and process 100 terabytes a day, across three global data centers. We rely on real-time machine learning models (with billions of features) that give us predictions in less than 1ms.

Affinity Answers was founded in Austin, Texas, so naturally we are a little weird, but we are very serious about our mission: to demonstrably increase brands’ efficiency and effectiveness. We measure ourselves by your increased sales, market share, and profitability. Our guiding value is to earn success with a long-term focus in serving our clients, employees, partners, and investors. We pride ourselves in our ability to connect the dots across areas that were traditionally silos or undiscoverable, helping you better understand and market to your consumers. Brands need partners. In a world of investment capital-backed ad tech darlings, we have bootstrapped ourselves to profitability with steady growth over the years. We are not a profit center for a larger Goliath. Our management and employees own the majority of the company which enables us to have a long-term focus and commitment to you. We are proud to be a marketing data science company. And we are proud to be at your service.

matchinguu is a mobile ad-tech company. Our goal is to change the way app publishers and advertisers interact with audiences. Through our realtime push- and proximity-marketing platform we empower engagement that is more targeted and highly relevant. We believe that optimizing audience sizes for relevance will always lead to the highest customer satisfaction and conversion. A seamless flow between the physical reality and the digital world is optimizing ROI for our app publishers. By connecting apps in our network, we provide new options to grow traffic and deliver innovative monetization opportunities without being intrusive to their users.

We deliver: Customers, Sales, Retention, Growth, Users, Subscribers We're experts in: Display, Paid Social, Programmatic, Remarketing, Paid Search, ASO, Affiliates, Media Buying, Digital Media, Creative.

S4M (Success for Mobile) is an innovative advertising technology company transforming mobile ads into genuine personalized content for each individual user. Our mobile-native technology platform revolutionizes end-user experiences for media agencies and advertisers. We provide programmatic expertise and campaign management with full transparency from ad impressions to conversions in both mobile browsers and applications. The S4M technology guarantees a standard of 100% loaded + 1 second impressions and landing pages, ensuring real clicks, true visits and viewability for our clients.   Founded in 2011 by mobile marketing pioneers, we now service more than 250 advertisers around the world. S4M is headquartered in Paris with over 85 employees and five offices worldwide in the US, Europe, Asia Pacific, and Latin America