John Dameron Hallmark is named as a lobbyist on federal disclosure filings for 1 client through Ernst & Young LLP (washington Council Ernst & Young). The most recent filing naming them posted in October 2026. Issues reported include Accounting, Economics/Economic Development, Immigration and Taxation/Internal Revenue Code.
| Client | Registrant | Latest | Issues |
|---|---|---|---|
| ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG) | ERNST & YOUNG LLP (WASHINGTON COUNCIL ERNST & YOUNG) | Q3 2026 | Accounting, Immigration, Economics/Economic Development |
| Year | Clients | Registrants |
|---|---|---|
| 2026 | 1 | 1 |
| 2025 | 1 | 1 |
Pay is not disclosed for individual lobbyists. Filings do not confirm that records with the same name are one person, so this page may combine people who share the name John Dameron Hallmark. See the Capitol Clarity rankings and method.