Estimating Solutions Group is now known as Decobu - www.decobu.com.au Estimating Solutions Group (ESG) is a consulting business that has been set up to aid all electrical, civil, hydraulic and construction contractors in the following services but not limited to; - All Estimating Work - Setting up new Estimating Procedures for new and small businesses - Variation claims - Procurement - Project Management - Engineering - Drafting - And much more. Our highly skilled team of Estimators, Project Managers and Draftsman are ready to assist you in all of your project requirements from start to finish. Estimating Solutions Group has experience in all Residential, Commercial, Industrial and Mining sectors throughout Australia.