Xandr
| Formerly | AT&T Advertising and Analytics (2018) | 
|---|---|
| Company type | Subsidiary | 
| Industry | |
| Predecessors | 
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| Founded | September 25, 2018 | 
| Headquarters | New York City, New York, U.S. | 
| Area served | Worldwide | 
| Key people | Mike Welch (EVP & GM) Ben John (CTO) | 
| Products | Community Xandr Invest Xandr Monetize | 
| Revenue | $2,022 million (2019) | 
| Parent | AT&T (2018-2022) Microsoft (2022-present) | 
| Divisions | 
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| Subsidiaries | 
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| Website | www | 
Xandr, Inc. (pronounced "Zander") is the advertising and analytics subsidiary of Microsoft, which operates an online platform, Community, for buying and selling consumer-centric digital advertising.
In December 2021, AT&T announced that they had agreed to sell Xandr (including AppNexus and Clypd) to Microsoft for an undisclosed price. The acquisition was completed in June 2022.