| Gagnon Neil10% owner · 14 transactions | — | 2.48M†as of Dec 2016 | — | 96.9K | 39.3K |
| Sakellaris George PChief Executive Officer, Director, 10% owner · 195 transactions | — | 2.31M† | 642.3K | 1.40M | 3.03M |
| Byrne Samuel T10% owner · 1 transaction | — | 1.70Mas of Jul 2010 | — | — | 40.0K |
| Sutton Joseph W.Director · 61 transactions | — | 213.6K† | 70.5K | 73.7K | 930.7K |
| Iusi MarioPresident, Ameresco Canada · 8 transactions | — | 101.7Kas of Jul 2014 | 300.0K | — | 300.0K |
| Spence Andrew BVP and Chief Financial Officer · 39 transactions | — | 100.0Kas of Oct 2013 | 400.0K | — | 300.0K |
| Bulger William MDirector · 8 transactions | — | 80.0Kas of Aug 2013 | 150.0K | — | 70.0K |
| Bulgarino Nicole EPresident - Federal & Utility · 26 transactions | — | 59.3K | 159.0K | 15.0K | 115.2K |
| Cox Brian CDirector · 1 transaction | — | 44.3K | — | 4.6K | — |
| Wisneski Francis V JrDirector · 187 transactions | — | 35.7K | 146.5K | 107.0K | 216.2K |
| Miller Jennifer LDirector · 18 transactions | — | 34.5K | 70.5K | 14.0K | 50.0K |
| MacIntosh BrittaSenior Vice President · 4 transactions | — | 34.0Kas of Sep 2023 | 33.3K | — | 128 |
| Maltezos Louis PPresident-Central&West USA Can · 97 transactions | — | 32.1K | 680.6K | — | 648.5K |
| Stavropoulos NickolasDirector · 23 transactions | — | 24.5K | 56.5K | 4.0K | 36.0K |
| Patton Charles R.Director · 5 transactions | — | 23.8K | 18.8K | 5.0K | — |
| Johnson Claire D'Oyly-HughesDirector · 5 transactions | — | 22.3K† | 20.5K | 1.8K | — |
| Corrsin David JEVP and General Counsel, Director · 80 transactions | — | 21.7K† | 45.8K | — | 1.52M |
| Anderson DavidExecutive Vice President, Director · 42 transactions | — | 20.0Kas of Jun 2021 | — | — | 1.04M |
| Foy Douglas IDirector · 22 transactions | — | 14.0Kas of Mar 2022 | 60.0K | 14.0K | 60.0K |
| Bakas Michael TPresident - Renewable Fuels · 55 transactions | — | 13.6K | 260.4K | — | 621.9K |
| Christakis PeterPresident-EastUSA, ProjectRisk · 9 transactions | — | 13.4K | 2.7K | — | 324 |
| Murley Thomas SDirector · 30 transactions | — | 10.5Kas of Nov 2021 | 60.0K | 10.5K | 60.0K |
| Jesanis Michael EDirector · 8 transactions | — | 10.0Kas of May 2014 | — | 10.0K | — |
| Hole Spencer DoranEVP and CFO · 21 transactions | — | 6.9Kas of Aug 2024 | 63.6K | — | 63.2K |
| Nichols Guy WDirector · 1 transaction | — | 5.0Kas of Nov 2010 | — | 5.0K | — |
| Todd LaurenSVP - HR and Operations · 3 transactions | — | 3.0Kas of Aug 2021 | 3.0K | — | 3.0K |
| Chiplock MarkEVP, CFO & CAO · 52 transactions | — | 1.7K | 100.2K | — | 98.5K |
| DeManche Joseph PExecutive Vice President · 51 transactions | — | 0as of Mar 2018 | 500.0K | — | 500.0K |
| Derrington Keith AExecutive Vice President · 44 transactions | — | 0as of Apr 2012 | 300.0K | — | 300.0K |
| Georgeoff RobertExecutive Vice President · 5 transactions | — | 0as of Nov 2021 | 25.0K | — | 25.0K |
| Cunningham William JSenior Vice President · 2 transactions | — | 0as of Dec 2011 | 22.5K | — | 22.5K |