My Northcote friend invited her grandchildren to help with the harvest this year, and they took it to Ceres for pressing. Free for <20 kg of fruit, depending on where you live. Friend reckons a minimum of 5 kg is best.
ceres.org.au/olives-to-oil/
Olives to Oil Festival is our annual event bringing people together to harvest olives and have them pressed communally into delicious, local olive oil.