Microsoft

Top-five global digital advertising platform and one of the few full-stack AdTech providers with owned search, programmatic, social (LinkedIn), and DSP/SSP capabilities via Xandr

Microsoft Corporation is a multinational technology conglomerate founded in 1975, headquartered in Redmond, Washington. In the AdTech ecosystem, Microsoft operates a significant and growing advertising business anchored by Microsoft Advertising (formerly Bing Ads), LinkedIn Marketing Solutions, and the Microsoft Audience Network. These platforms collectively enable advertisers to reach users across Bing search, MSN, Outlook, Xbox, and thousands of partner sites, making Microsoft one of the few scaled alternatives to Google and Meta in digital advertising. Microsoft's advertising revenues have grown substantially, bolstered by its acquisition of LinkedIn in 2016 and its partnership with Netflix to power their ad-supported tier. The company also acquired Xandr (formerly AppNexus) from AT&T in 2021, adding a sophisticated programmatic advertising and supply-side platform to its portfolio. Xandr's technology powers Microsoft's demand-side platform (DSP) and enables programmatic buying across premium inventory, positioning Microsoft as a full-stack AdTech provider capable of competing with The Trade Desk, Google DV360, and Amazon DSP. Microsoft's unique position in AdTech stems from its combination of first-party data assets — including LinkedIn's professional graph, Microsoft 365 user data, and Xbox gaming audiences — alongside its enterprise cloud infrastructure (Azure) and AI capabilities (including OpenAI partnership). This allows Microsoft to offer privacy-safe, AI-enhanced targeting and measurement solutions that are increasingly valuable in a cookieless advertising landscape. The company's advertising segment generates tens of billions in annual revenue, making it a top-five global digital advertising platform.