| $1,000 | Dec 22, 2025 | Friends of Liz Nicholson | Attorney | Marquardt & Belmonte |
| $1,000 | Dec 22, 2025 | Friends of Liz Nicholson | Attorney | Marquardt & Belmonte |
| $1,553 | Jul 28, 2025 | Friends of Adam Braun | President and Chief Legal Counsel | Marquardt & Humes |
| $1,553 | Jul 28, 2025 | Friends of Adam Braun | President and Chief Legal Counsel | Marquardt & Humes |
| $1,500 | Jul 8, 2025 | 36th Ward Dems | Lobbyist | Marquardt & Humes |
| $1,500 | Jul 8, 2025 | 36th Ward Dems | Lobbyist | Marquardt & Humes |
| $1,500 | Jun 24, 2025 | Friends of Walter Burnett, Jr | Lobbyist | Marquardt & Humes |
| $1,500 | Jun 24, 2025 | Friends of Walter Burnett, Jr | Lobbyist | Marquardt & Humes |
| $1,500 | Jun 24, 2025 | Friends of Walter Burnett, Jr | Lobbyist | Marquardt & Humes |
| $250 | Apr 30, 2024 | Friends of Laura Yepez | — | — |
| $1,500 | Sep 12, 2023 | 27th Ward Reg Democratic Org | Lobbyist | Marquardt & Co. |
| $1,500 | Sep 12, 2023 | 27th Ward Reg Democratic Org | Lobbyist | Marquardt & Co. |
| $500 | Nov 22, 2022 | Friends of Frerichs | — | — |
| $500 | Nov 22, 2022 | Friends of Frerichs | — | — |
| $1,500 | Nov 7, 2022 | Preckwinkle for President | Lobbyist | Marquardt & Company, Inc. |
| $1,500 | Nov 7, 2022 | Preckwinkle for President | Lobbyist | Marquardt & Company, Inc. |
| $5,000 | Jun 13, 2022 | Lightfoot for Chicago | Lobbyist | Marquardt & Co., Inc. |
| $5,000 | Jun 13, 2022 | Lightfoot for Chicago | Lobbyist | Marquardt & Co., Inc. |
| $1,500 | Mar 5, 2021 | Friends for Susana Mendoza | Lobbyist | Marquardt & Co, Inc. |
| $1,500 | Mar 5, 2021 | Friends for Susana Mendoza | Lobbyist | Marquardt & Co, Inc. |
| $750 | Dec 4, 2019 | Spence for State's Attorney | Attorney | Marquardt & Belmonte |
| $750 | Dec 4, 2019 | Spence for State's Attorney | Attorney | Marquardt & Belmonte |
| $1,000 | Jan 18, 2019 | Susana Mendoza For Mayor | Attorney | Marquardt & Belmonte |
| $1,000 | Jan 18, 2019 | Susana Mendoza For Mayor | Attorney | Marquardt & Belmonte |
| $1,000 | Jan 18, 2019 | Susana Mendoza For Mayor | Attorney | Marquardt & Belmonte |
| $1,000 | Jan 18, 2019 | Susana Mendoza For Mayor | Attorney | Marquardt & Belmonte |
| $500 | Dec 14, 2009 | Friends of Ann M Williams | — | — |