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 32,000+ lobbying clients by spending
~4MB
⬇ 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
Government Entities
240 government agencies targeted by lobbyists
~500KB
⬇ JSON
Surge Tracker
Quarter-over-quarter lobbying surges by issue
~50KB
⬇ JSON
Text Analysis
Word frequency and bill mentions from lobbying descriptions
~100KB
⬇ JSON
Network Analysis
Lobbyist network connections, multi-firm relationships
~200KB
⬇ JSON
Revolving Door Premium
Revenue comparison: revolving door vs non-revolving door firms
~20KB
⬇ JSON
Geographic Heatmap
Lobbying spending by state with per-capita analysis
~10KB
⬇ JSON
Lobbying vs Contracts
Cross-reference of lobbying spend vs federal contract awards
~5KB
⬇ JSON
Client Trajectories
Spending growth paths: exploding, declining, steady clients
~100KB
⬇ JSON
Firm Concentration
HHI analysis, client dependency, issue specialization
~50KB
⬇ JSON
Filing Activity
Monthly filing volumes and type breakdowns
~20KB
⬇ 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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