| Community Defibrillator | Emergency AED and Gundaroo defribrillator first responders |
| Facebook – Gundaroo Buy and Swap | |
| Facebook – Gundaroo Community Connect | A private and informal social media group created in 2013 connecting residents of Gundaroo (and neighbouring villages) for things such as lost and found, traffic incidents etc. |
| Facebook – Gundaroo Community Noticeboard | A second private social media group created in 2021 for public notices across the Gundaroo community. |
| GCA - Gundaroo Community Association | GCA |
| GCA - Gundaroo Arts and Culture | Fireside Chats - meets in the Colonial Inn monthly. GCA Sub-committee |
| GCA - Gundaroo Police Paddock | GCA sub-committee |
| GCA - Gundaroo Community Website | GCA sub-committee |
| GCA - Gundaroo Village Monuments | ANZAC Day Commemorations |
| Gundaroo and District Historical Society | includes a Genealogy site |
| Gundaroo Book Club | Gundaroo Loves Books |
| Gundaroo Brewers | Gundaroo brewers, beer, wine, cider, spirits |
| Gundaroo Bullocks | Social Soccer Club |
| Gundaroo Common Trust | The village common |
| Gundaroo Community Church | Uniting church and other community services |
| Gundaroo Community Singers | Local choir |
| Gundaroo Cricket Club | The GOATS |
| Gundaroo Film Society | Film Group that meets monthly in the local Gundaroo Hall |
| Gundaroo Gazette | Produced monthly, available online. |
| Gundaroo Literary Institute | |
| Gundaroo Men's Shed | Meets at the Gundaroo Park shed weekly. Supporting men's health and wellbeing in a fun and productive atmosphere. |
| Gundaroo Music Festival | Annual event raising funds for MND research |
| Gundaroo Out of School Hours | After school care |
| Gundaroo Park | Managed by volunteers as a Crown Reserve |
| Gundaroo Playgroup: Little Explorers | |
| Gundaroo Public School | |
| Gundaroo Regenerative Land Management Group | A private group of likeminded farmers interested in regenerative farming practices. |
| Gundaroo Rural Fire Brigade - NSW Rural Fire Service | In an emergency call Triple Zero (000); Permits; Volunteering, Training, Donations |
| Gundaroo Scout Group | HQ at Gundaroo Park |
| Gundaroo Soldier's Memorial Hall | |
| Gundaroo Sunday Handicap | Cool running or walking: A weekly event |
| Gunning Medical Services | Call 02 4845 1166 for Doctors and allied health services |
| Justice of the Peace | |
| Landcare - Murrumbateman Landcare Group | The Murrumbateman Landcare Group which works in the Sutton and Gundaroo areas |
| Landcare - Sutton Landcare | Sutton Landcare group works with the Murrumbateman Landcare group and residents in the Gundaroo area |
| SES – NSW SES Sutton unit | 132 500 Covers Gundaroo area. State Emergency Services. |
| St Joseph's Church | Catholic Religious Services |
| St Mark's Church | Anglican Religious Services |
| Yass Valley Council | |
| Yass - South East Local Land Services (NSW Government) | SE Local Agriculture Landcare |