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© 2026 Adaptrex, LLC

Spending
Lobbying
Coming soon: Congress, Stocks

Overview Firms Clients Revolving Door Stands Out

ADVENT TECHNOLOGIES — Lobbying — Receipts Report

LD-2 disclosure · 3rd Quarter - Termination Amendment (No Activity)

ADVENT TECHNOLOGIES

via O'NEILL AND ASSOCIATES

3rd Quarter (July 1 - Sep 30) · 2023Posted May 5, 2025Filing document ↗LDA record ↗

Coverage · No income or expenses were reported on this filing.

Client

Name: ADVENT TECHNOLOGIES
Description: Energy manufacturing
Location: Massachusetts · United States of America

Registrant

Firm: O'NEILL AND ASSOCIATES
Description: Lobbyist
Location: Boston, Massachusetts, 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.