In 2025, organizations spent $6.0 billion lobbying the federal government — more than ever before. But what exactly is lobbying, who does it, and how does it shape the laws that affect your life?
The Basics: What Is Lobbying?
Lobbying is the act of attempting to influence government decisions — legislation, regulation, or policy — on behalf of an organization, industry, or cause. It's protected by the First Amendment's right to "petition the Government for a redress of grievances."
In practice, lobbying means hiring people — often former government officials — to meet with members of Congress, their staff, and executive branch officials to advocate for specific policy positions.
Lobbying is legal. But the scale of money involved raises serious questions about whose voices are heard in Washington.
How Does Federal Lobbying Work?
Step 1: A Client Wants Something
A company, trade association, nonprofit, or even a foreign government wants to influence federal policy. Maybe a pharmaceutical company wants to block drug pricing legislation. Maybe a tech company wants to shape AI regulation. Maybe a defense contractor wants a bigger procurement contract.
Step 2: They Hire Lobbyists
The client either uses in-house lobbyists (employees who lobby as part of their job) or hires an outside lobbying firm. The top lobbying firms — like Brownstein Hyatt, Akin Gump, and BGR Group — represent dozens or hundreds of clients simultaneously.
Step 3: Lobbyists Meet with Officials
Lobbyists schedule meetings with members of Congress, congressional staff, and executive branch officials. They present arguments, data, and talking points in favor of their client's position. They attend hearings, draft proposed language for bills, and build relationships.
Step 4: They File Disclosure Reports
Under the Lobbying Disclosure Act (LDA), any individual or organization spending more than $14,000 per quarter on lobbying must register with the Senate and file quarterly reports disclosing how much they spent, what issues they lobbied on, and which lobbyists were involved.
These filings are public record — and they're what powers this entire site. We've analyzed 726,000+ filings from 2018 through 2025.
Who Lobbies?
Almost every major industry lobbies Congress. The biggest spenders include:
Foreign governments — Yes, foreign countries lobby Congress too (see our investigation)
The Revolving Door
One of the most controversial aspects of lobbying is the "revolving door" — the flow of people between government positions and lobbying jobs. A congressional staffer who spent years working on healthcare policy leaves government and immediately becomes a lobbyist for a pharmaceutical company. They already know the officials, the process, and the policy details.
Our data identifies 5,000 lobbyists with prior government positions, including former members of Congress, White House staff, agency officials, and military officers. Some are lobbying the very agencies they used to run.
Academic research suggests the return on lobbying is enormous. Studies have estimated that companies earn anywhere from $6 to $220 for every $1 spent on lobbying, depending on the industry and the policy at stake.
Our own analysis of lobbying spend vs. government contracts received shows staggering returns for some companies — lobbyists spending millions and receiving billions in federal contracts. See our Follow the Money investigation →
What's the Lobbying Disclosure Act?
The Lobbying Disclosure Act of 1995 (amended by the Honest Leadership and Open Government Act of 2007) is the federal law that requires lobbying disclosure. Key provisions:
Registration threshold: Must register if lobbying income exceeds $3,000/quarter (firms) or expenses exceed $14,000/quarter (in-house)
Quarterly reports: Filed with the Secretary of the Senate and Clerk of the House
Disclosure requirements: Income/expenses, issue areas, specific bills, lobbyist names, covered government positions, foreign entity involvement
Cooling-off period: Former senior officials must wait 1-2 years before lobbying their former agency (though enforcement is limited)
Penalties: Up to $200,000 in civil fines for violations
The Problem with Lobbying
Lobbying itself isn't inherently bad — it's how organizations communicate with their representatives. The problem is one of scale and access. When a pharmaceutical company can spend $17 million a year on lobbying while individual citizens can spend nothing, the playing field isn't level.
The revolving door amplifies this: former officials bring insider knowledge and personal relationships that money alone can't buy. Foreign governments gain influence that ordinary citizens of other countries could never achieve.
That's why transparency matters. And that's why we built OpenLobby — to make this data accessible to everyone, not just the insiders.
79 Issue Categories
The LDA classifies lobbying into 79 issue categories, from healthcare (HCR) to defense (DEF) to telecommunications (TEC). Each filing can list multiple issue codes, giving us a detailed picture of what's being lobbied on.
The Lobbying Disclosure Act (LDA) of 1995 requires lobbyists to register with the Secretary of the Senate and the Clerk of the House within 45 days of making a lobbying contact or being employed to make a lobbying contact. Registered lobbyists must file quarterly reports detailing their clients, the issues they lobbied on, the agencies they contacted, and their income or expenses.
However, the LDA has significant gaps. Grassroots lobbying, strategic consulting, and public affairs campaigns that don't involve direct contact with officials often go unreported. Many observers estimate that the true cost of influence in Washington is two to three times what appears in official filings.
Common Lobbying Tactics
Lobbyists employ a range of strategies to influence policy outcomes. Direct lobbying involves meeting with legislators and their staff to present arguments, data, and proposed legislative language. Many lobbyists draft bill text or amendments that lawmakers introduce with minimal changes.
Coalition building brings together diverse organizations around shared policy goals, amplifying their collective influence. Industry trade associations like the Chamber of Commerce and PhRMA coordinate lobbying efforts across their membership, pooling resources for maximum impact.
Grassroots lobbying mobilizes constituents to contact their representatives, creating the appearance of organic public support for policy positions. In the digital age, these campaigns can generate millions of emails, calls, and social media posts within days.
Why Lobbying Transparency Matters
Understanding who is spending money to influence government decisions is essential for democratic accountability. When pharmaceutical companies spend hundreds of millions lobbying against drug pricing reforms, or when tech giants invest heavily to shape AI regulation, citizens deserve to know.
OpenLobby exists to make this information accessible. We aggregate data from Senate Office of Public Records filings, clean and normalize it, and present it in ways that reveal patterns invisible in raw data. Whether you're a journalist investigating corporate influence, a researcher studying policy outcomes, or a citizen tracking what your government is doing, our tools help you follow the money.
Not all lobbyists are created equal. The lobbying industry includes several distinct categories, each with different roles and levels of influence.
In-House Lobbyists
Employees of corporations, trade associations, or nonprofits who lobby on behalf of their employer. Major companies like Amazon, Google, and Pfizer employ dozens of in-house lobbyists. Their spending appears under the company name in LDA filings.
Contract Lobbyists
Hired guns at lobbying firms like Akin Gump, Brownstein Hyatt, or Squire Patton Boggs. Clients pay these firms to represent their interests. A single firm may represent dozens of clients across different industries.
Revolving Door Lobbyists
Former government officials who leverage their insider knowledge and connections. Ex-members of Congress, former agency heads, and senior congressional staff command premium rates. See our revolving door tracker.
Foreign Agents
Individuals or firms representing foreign governments, political parties, or entities. They must register under the Foreign Agents Registration Act (FARA), which has stricter disclosure requirements than the LDA. Track foreign lobbying on our foreign influence page.
Lobbying by the Numbers: 2025 Snapshot
$5.08B
Total 2025 spending
12,800+
Active lobbyists
726K+
Filings in database
79
Issue categories
These numbers only tell part of the story. Lobbying disclosure requirements have significant gaps — grassroots campaigns, strategic consulting, and public affairs efforts that don't involve direct official contact often go unreported. Many experts estimate the true cost of influence is two to three times what appears in official filings.
Lobbying regulation in the United States has evolved significantly over the past century. The Federal Regulation of Lobbying Act of 1946 was the first federal law requiring lobbyist registration, but it was widely criticized for weak enforcement and narrow definitions.
The Lobbying Disclosure Act of 1995 (LDA) replaced the 1946 law with broader coverage and clearer reporting requirements. It defined "lobbyist" as anyone who spends at least 20% of their time on lobbying activities for a client and makes at least two lobbying contacts.
The Honest Leadership and Open Government Act of 2007 (HLOGA) strengthened the LDA following the Jack Abramoff scandal. It increased filing frequency from semi-annual to quarterly, enhanced penalties for non-compliance, and added disclosure requirements for campaign contributions by lobbyists.
Despite these reforms, significant gaps remain. The 20% time threshold means many influence professionals avoid registration. "Shadow lobbying" — where former officials advise on strategy without making direct contacts — has become increasingly common as a way to operate outside disclosure requirements.
Lobbying vs. Campaign Contributions
Lobbying and campaign contributions are often conflated but are legally distinct activities. Lobbying involves direct advocacy to government officials on specific policy issues. Campaign contributions are financial donations to candidates, parties, or political action committees (PACs).
However, the two are deeply intertwined. Many lobbying clients also make significant campaign contributions, and bundling — where lobbyists aggregate donations from multiple sources — amplifies their influence. Our Follow the Money investigation traces these connections.
All of our data is free and open. We believe that lobbying transparency is essential for a functioning democracy, and that citizens should be able to see who is spending money to influence their government without paywalls or barriers.
The Future of Lobbying
The lobbying industry is evolving rapidly. AI-powered advocacy tools, social media influence campaigns, and cryptocurrency-funded political action committees are reshaping how interests are represented in Washington. At the same time, calls for reform — including expanded disclosure requirements, longer cooling-off periods for the revolving door, and restrictions on foreign lobbying — continue to gain momentum.
As lobbying grows more sophisticated and more expensive, transparency becomes more important than ever. Understanding who is spending money, on what issues, and through which channels is the first step toward holding government accountable.
Lobbying involves advocacy and persuasion, not direct payments for votes. Bribery is a federal crime. However, critics argue that the combination of lobbying access and campaign contributions creates a system that functions similarly in practice.
Myth: Only corporations lobby
While corporations and trade associations account for the majority of spending, nonprofits, universities, state and local governments, unions, and advocacy groups also lobby extensively. The AARP, for example, consistently ranks among the top 20 lobbying spenders.
Myth: Lobbying always produces results
Many lobbying campaigns fail to achieve their objectives. Policy outcomes depend on public opinion, media coverage, competing interests, and political dynamics that no amount of lobbying spending can fully control.
Myth: All lobbying is disclosed
The LDA's 20% time threshold means many influence professionals operate without registering. "Shadow lobbying" by former officials who advise on strategy without making direct contacts is a growing concern.
Data Notes
All data on OpenLobby is sourced from Senate Office of Public Records lobbying disclosure filings under the Lobbying Disclosure Act of 1995. For our full methodology, see our methodology page.