The Washington Inquisitor
Revolving Door
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Invariant’s lobbying revenue rises 6% as defense-tech clients increase their spending
Invariant reported $37.23 million in federal lobbying revenue through September 2026, up 6%, with Hadrian Automation nearly doubling its fees and new clients including Super Micro and Vulcan Elements.
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Holland & Knight’s lobbying revenue dips 2% as an offshore oil company becomes its top client
The law firm reported $40.58 million in federal lobbying revenue through September 2026. Sable Offshore, which is seeking approvals for oil production off California, paid it $1.01 million.
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Capitol Counsel’s lobbying revenue rises 12% as Ontario and Alberta stay among its top clients
The bipartisan firm reported $20.65 million in federal lobbying revenue through September, with two Canadian provinces among its three largest accounts as U.S.-Canada trade talks continue.
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Fierce Government Relations reports $9.1 million in lobbying revenue through September, level with 2025
Fierce Government Relations reported $9.13 million in federal lobbying revenue in the first nine months of 2026, compared with $9.21 million a year earlier, with seven lobbyists listed on nearly every client.
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Cornerstone Government Affairs’ lobbying revenue rises 13% through September
Cornerstone Government Affairs reported $46.5 million in federal lobbying revenue in the first nine months of 2026, up from $41.2 million a year earlier, across 392 clients.