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© 2026 Adaptrex, LLC

Spending
Lobbying
Coming soon: Congress, Stocks

Overview Firms Clients Revolving Door Stands Out

LD-2 disclosure · 1st Quarter - Termination (No Activity)

CASTELLUM, INC.

via NELSON MULLINS RILEY & SCARBOROUGH

1st Quarter (Jan 1 - Mar 31) · 2023Posted Apr 18, 2023Filing document ↗LDA record ↗

Income$20Kfee reported

Client

Name: CASTELLUM, INC.
Description: Technology
Location: Maryland · United States of America

Registrant

Firm: NELSON MULLINS RILEY & SCARBOROUGH
Description: Law firm
Location: Washington, District of Columbia, United States of America

Source

Source · Senate Office of Public Records — Lobbying Disclosure Act filings ↗.

Coverage gaps · LD-2 reports a single dollar figure per quarter on ONE basis — income (a fee) or expenses (self-filed spend), never both — so this page never combines them into one "spend" number.

CASTELLUM, INC. — Lobbying — Receipts Report