The Professional Certification Group provides a one-stop building approval and inspection service throughout Queensland and New South Wales.

Rainbow Engineering Services and Building Consultants (RBC) provides Construction Assurance, Supervision and Project Management Services for the Residential, Commercial, Industrial, Infrastructure and Rail Sectors. RBC assists property, asset owners and investors who are planning or in the process of building a project to ensure they get the best outcome out of their construction investment by taking the stress of the building process off you ensuring quality workmanship and industry standards are compliant and delivered. RBC have been working for more than 25 years with potential buyers, new homeowners, Asset Owners, Government and builders from concept design to final practical completion and handover and anything in between to ensure a smooth transaction of all types of assets (e.g dwellings, buildings, civil, infrastructure, precast manufacturing and more). Our services include: -Project Delivery Management -Construction Advice, Inspections & Supervision -Construction Disputes & Mediation -Structural Integrity Inspections & Assessment -Dilapidation and Forensic Inspections & Reports - Practical Completion, Handover & Defects Inspections & Reports -RPEQ Certification (incl. Form 15 & Form 12) -Consultation & Advisory -Independent Verification & Certification. - Construction Quality Assurance Inspections, Management & Auditing RBC is big in knowledge and expertise but not too big to care.

Welcome to GMA Certification Group, the largest certification company in Queensland. We specialise in providing a comprehensive range of Building Surveying Services. No project is too big or small for us, as we cover all types of buildings, from Residential to Commercial and Industrial. Whether it's a cosy pergola or a grand high-rise development, we've got you covered. Trust GMA for your drafting needs in Nerang.