Data Downloads

All of our processed data is available for download. Built from Senate LDA filings, 2018–2025. Use it for your own analysis — all we ask is a link back.

Top Clients

Top 5,000 lobbying clients by spending

~2MB

⬇ JSON

Top Firms

Top 2,000 lobbying firms by income

~500KB

⬇ JSON

Top Lobbyists

Top 5,000 lobbyists by filing count

~1MB

⬇ JSON

Revolving Door

Lobbyists with prior government positions

~1MB

⬇ JSON

Issues

All 79 LDA issue categories with spending totals

~10KB

⬇ JSON

Industries

Spending aggregated by industry sector

~20KB

⬇ JSON

Trends

Yearly lobbying totals 2018-2025

~1KB

⬇ JSON

Foreign Entities

Foreign entities involved in US lobbying

~200KB

⬇ JSON

States

Lobbying spending by client state

~5KB

⬇ JSON

Stats

Overall summary statistics

~2KB

⬇ JSON

Surge Tracker

Quarter-over-quarter lobbying surges by issue

~50KB

⬇ JSON

Text Analysis

Word frequency and bill mentions from lobbying descriptions

~100KB

⬇ JSON

Raw Source Data

The raw data comes from the Senate Lobbying Disclosure Act (LDA) filing system. We pull quarterly and semi-annual reports, normalize entity names, and aggregate spending.

Data Sources: Senate LDA Filings via lda.senate.gov API

Last updated: February 2026

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