Buying & selling platforms. Demand-Side Platforms (DSPs): Software that allows advertisers to buy ad inventory across multiple sites automatically. Supply-Side Platforms (SSPs): Tools for publishers to manage and sell their ad inventory to maximize revenue. Ad Exchanges: Virtual marketplaces where advertisers and publishers buy and sell impressions through real-time auctions.
Buying & selling platforms. Demand-Side Platforms (DSPs): Software that allows advertisers to buy ad inventory across multiple sites automatically. Supply-Side Platforms (SSPs): Tools for publishers to manage and sell their ad inventory to maximize revenue. Ad Exchanges: Virtual marketplaces where advertisers and publishers buy and sell impressions through real-time auctions.
Based on The Agile Brand Guide List composite scoring across innovation, organizational strength, customer signals, and vision, the top 5 AdTech: Programmatic platforms in 2026 are: 1. Shirofune; 2. Topsort; 3. Viant DSP; 4. Simpli.fi; 5. In-Store Marketplace.
AdTech: Programmatic platforms are most commonly deployed in Retail & E-commerce, Consumer Packaged Goods (CPG), Technology & Software, and Financial Services & Banking, based on the published industry focus of vendors in this category.
Each platform receives a composite score from 0 to 100, weighted across four dimensions: Innovation Index, Organizational Strength, Customer Signals, and Vision Index. Scores are recalculated regularly from public evidence and are explained in detail on the methodology page.
Start by matching capabilities to your top use cases, then compare the leading vendors by composite score, customer signals, and industry fit. Shirofune currently ranks first in the AdTech: Programmatic category, but the right platform depends on your scale, region, and existing tech stack.