US Lobbying Disclosure Search

Search the official US Senate Lobbying Disclosure Act (LDA) database. Find which companies lobby Congress, how much they spend, which lobbyists they hire, and what issues they target. Covers every federally registered lobbying filing since 1999.

No API key required. Data comes directly from the US Senate LDA public database.

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What You Get

Each result is one lobbying filing (registration or quarterly activity report).

Field	Type	Description
registrantName	string	Lobbying firm or in-house lobbying org
clientName	string	Company or entity paying for lobbying
income	number	Reported lobbying income (registrant perspective)
expenses	number	Reported lobbying expenses (client perspective)
filingYear	integer	Year of the filing
filingPeriod	string	Quarter (first_quarter, etc.)
filingType	string	Registration, quarterly report, etc.
lobbyists	array	Names and covered government positions
activities	array	Issue areas, descriptions, targeted agencies
documentUrl	string	Link to the original filing document
postedDate	string	Date the filing was posted

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Sample Output

{
  "registrantName": "AKIN GUMP STRAUSS HAUER & FELD",
  "clientName": "META PLATFORMS INC",
  "income": 250000,
  "expenses": 0,
  "filingYear": 2025,
  "filingPeriod": "first_quarter",
  "filingType": "QUARTERLY_REPORT",
  "lobbyists": [
    {
      "name": "SMITH, JONATHAN R",
      "coveredPosition": "Former Legislative Director, US Senate"
    }
  ],
  "activities": [
    {
      "issueAreaCode": "CPT",
      "description": "Issues related to AI regulation and content moderation policy",
      "governmentEntities": ["US SENATE", "US HOUSE OF REPRESENTATIVES"]
    }
  ],
  "documentUrl": "https://lda.senate.gov/filings/public/filing/example-id/",
  "postedDate": "2025-04-20"
}

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Who Uses This

Competitive intelligence teams tracking which competitors are lobbying and on what issues. Know when a rival starts pushing for regulatory changes that could affect your market.

Political researchers and journalists investigating corporate influence on legislation. Track spending trends by industry, client, or issue area over time.

Government affairs professionals monitoring the lobbying landscape around specific policy areas (AI regulation, trade, healthcare, defense) to inform their own advocacy strategy.

Sales teams targeting government contractors identifying companies with active federal lobbying -- a strong signal of government engagement and budget.

Compliance officers verifying that lobbying activities are properly disclosed per LDA requirements.

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How to Use

Search by client (who's paying):

{
  "clientName": "Meta",
  "filingYear": 2025,
  "maxResults": 50
}

Search by lobbying firm:

{
  "registrantName": "Akin Gump",
  "maxResults": 100
}

Search by issue area:

{
  "issueAreaCode": "DEF",
  "filingYear": 2025,
  "maxResults": 100
}

Common issue area codes: TAX (Taxation), DEF (Defense), HCR (Health Issues), TRD (Trade), CPT (Computer Technology), ENV (Environment), BNK (Banking), TRA (Transportation).

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Cost Estimate

Pricing is $0.002 per result.

Run size	Estimated cost
10 results	~$0.02
100 results	~$0.20
500 results	~$1.00
1,000 results	~$2.00

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FAQ

Does this require an API key? No. The Senate LDA database is free and public. No registration needed.

How far back does the data go? The database covers federally registered lobbying activity since 1999.

What are issue area codes? The LDA uses standardized codes to categorize lobbying topics. Common ones: TAX, DEF, HCR, TRD, CPT, ENV, BNK. You can search by code to find all lobbying related to a specific policy area.

Can I search by individual lobbyist name? Yes. Use the lobbyist name field to find all filings where a specific person is listed as a lobbyist.

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Data Source

All data comes from the official US Senate Lobbying Disclosure Act database at lda.gov. Updated daily as new filings are posted.