Drawing on the resources of 20 years experience in the field of Quantity Surveying and Estimating Abacus Construction Estimators was established in 2007, to service small and medium sized Building Companies and Subcontractors. Several Companies and Subcontractors may not have the requirement for a full time Estimator or Quantity Surveyor. On the other hand, Several Companies and Subcontractors who do have full time Estimators or Quantity Surveyors but due to current workload may require additional support. Abacus Construction Estimators can accommodate the needs of both of these situations.