Corporations and Foreign Nations Pivot to Lobby Biden

The morning after Election Day, as votes were still being counted, diplomats from more than 20 foreign governments logged into a videoconference to hear Joe Lockhart, a veteran Democratic operative, provide what his consulting firm’s invitation described as “insider tips on how to make YOUR agenda happen in the aftermath of an election.”

Over the next few days, as Joseph R. Biden Jr. accumulated the votes necessary to become the next president, representatives from countries and companies around the world began scrambling to secure representation from well-connected Democrats like Mr....