Why It Matters

Microsoft engages multiple external firms, most recently bringing on Rivendell Group LLP, led by Partners Nick Kolovos and Matt Berzok. The disclosure was signed Aug. 14 with no listed amount or legislation.

Broader Context

Microsoft's expanded lobbying apparatus comes as the company faces scrutiny from lawmakers on multiple fronts. In September 2025, Sen. Ron Wyden (D-OR) called for an Federal Trade Commission (FTC) investigation of Microsoft for allegedly enabling a ransomware hack through insecure software. That same month, Sen. Kevin Cramer (R-ND) questioned Microsoft's reliability as a Department of Defense partner.

Sens. Chuck Grassley (R-IA) and Jim Banks (R-IN) called on AI companies, including Microsoft, to detail their efforts detecting Chinese espionage, managing insider threats, and securing sensitive model information.

The Bottom Line

Microsoft's addition of Rivendell Group reflects a broader strategy of deploying multiple lobbying firms across different issue areas.

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