# Lobbying The paid practice of attempting to influence government decisions — legislation, regulation, appropriations, executive action, and contract awards — on behalf of clients. In the U.S. federal system, lobbying is a constitutionally protected activity (the [[First Amendment]]'s "petition" clause) carried out by an organized influence industry concentrated on and around **K Street** in Washington, DC. This page is the definitional anchor for the KB's lobbying layer; see [[Lobbying Hub]] for the navigational hub of firms, lobbyists, and connected machinery. ## How it is regulated Two main disclosure regimes govern the industry. The [[Lobbying Disclosure Act]] (1995, amended 2007) requires lobbyists working for domestic and most commercial clients to register and file quarterly reports of their clients, issues, and revenue. [[FARA]] — the Foreign Agents Registration Act — applies a separate, stricter regime to those acting for foreign governments, parties, and principals, requiring disclosure of the relationship and the political activity performed. Many of the largest DC firms register under both. Disclosure is the system's central weakness and its central data source: the law makes the money visible but does almost nothing to limit it, and the boundary between "lobbying" (reportable) and "strategic advice" or "public affairs" (often not) is porous, so reported revenue undercounts true influence spending. ## "K Street" The universal metonym for the industry. K Street NW in downtown Washington historically housed the major lobbying and law firms, and the street name became shorthand for the whole influence business — the way "Wall Street" means finance. The label outlived the geography: most top firms have long since scattered to other addresses (Pennsylvania Avenue, Navy Yard, downtown office towers), but "K Street" remains the industry's name for itself, its trade press beat (Politico Influence, The Hill's "lobbying world"), and its critics' epithet. This page is the vault's canonical target for the term. ## The influence industry's mechanics Lobbying is the visible tip of a larger influence economy that also runs through [[Campaign Finance]] (donations, bundling, [[Super PACs]]), [[Dark Money]] (undisclosed issue advocacy), and the [[Revolving Door]] (the movement of officials between government and the firms that lobby it). The most valuable asset a lobbying firm sells is not legal expertise but *access* — relationships with the specific officials who hold the relevant power. This is why firm fortunes track political power: when an administration changes, clients stampede toward the firms staffed by that administration's former aides and fundraisers. ## The Trump-era surge Federal lobbying hit a record ~$5.3 billion in 2025, and the gains concentrated heavily in firms tied to the [[Second Trump Administration]]. A cluster of Trump-world shops — led by [[Ballard Partners]], with [[Miller Strategies]], [[Continental Strategy]], and [[Checkmate Government Relations]] — posted historic revenue jumps as corporations and foreign governments paid for proximity to Trump's circle. The pattern is the revolving door operating at unusual speed and scale: firms staffed by the President's former partners, fundraisers, and aides became the market's premium product. See [[Lobbying Hub]] for the full roster. ## See also [[Lobbying Hub]] · [[FARA]] · [[Revolving Door]] · [[Shadow Lobbying]] · [[Influence Peddling]] · [[Cooling-Off Period]] · [[Campaign Finance]] · [[Foreign Influence Ecosystem]]