| MMA184620166201206 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | Landscape Architectural Design Services | $9.0M | May 2016 | Apr 2019 | Non-M/WBE |
| MMA184620238803741 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | Landscape Architecture consulting services, Citywide | $9.0M | Nov 2022 | Oct 2025 | Non-M/WBE |
| MMA184620268803017 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | L andscape Architecture consulting services, Citywide - M | $9.0M | Nov 2025 | Oct 2027 | Non-M/WBE |
| MMA184620136201114 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | Landscape Architectural Services | $6.5M | Jun 2013 | Jun 2016 | Non-M/WBE |
| MMA184620196201681 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | Landscape Architectural Design Services | $6.0M | May 2019 | Apr 2022 | Non-M/WBE |
| MMA184620116200648 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | LANDSCAPE ARCHITECTURE DESIGN SERVICES | $4.0M | Jun 2011 | Jun 2013 | Non-M/WBE |
| MMA184620090017514 | QUENNELL ROTHSCHILD & PARTNERS LLP | Department of Parks and Recreation | LANDSCAPE ARCHITECTURAL DESIGN SERVICES FOR CONST OR RECONST | $4.0M | Dec 2008 | Dec 2010 | Non-M/WBE |