Company Profile EstimateOne focuses solely on the commercial construction industry. Our aim is to make simple but powerful online services that improve estimating and tendering, and help you win more work. Free Building Tender News | Estimate One Commercial Construction Opportunities | EstimateOne Commercial Construction Tender Reports Video from EstimateOne EstimateOne Pty Ltd 1300 705 035 Level 4, 99 Queen Street, Melbourne, Vic, 3000. VISIT WEBSITE * If you would like to update the text on your profile page, please contact Spec-Net.