Building Confidence Through Accuracy

We are the Best Cost Consultancy Firm

At AGC Consultants, we deliver expert quantity surveying, claims management, and contract administration services — ensuring every project is measured, managed, and delivered with precision.

Accuracy

We ensure every project is measured and verified through CostX for total cost transparency.

Expertise

Our experienced Chartered Quantity Surveyors bring proven industry knowledge to every project.

Support

We stand by our clients from tender to completion with professional, reliable assistance.

Who We Are

We address your most critical business priorities

AGCC (Aren Gunawardena Cost Consultancy) is a professional practice made up of Chartered Quantity Surveyors and Claims Specialists dedicated to delivering accuracy, accountability, and results across every stage of the construction process.

Our team of over 60 skilled Quantity Surveyors work with one clear goal — to help our clients deliver projects with confidence, clarity, and commercial success. Every task, from building measurement to claims management, is handled with precision and supported by sound contractual understanding.

We specialise in detailed measurement using CostX, comprehensive contract administration, and strategic claims preparation — ensuring every figure, clause, and submission is backed by evidence and aligned with industry standards.

At AGCC, we believe that strong commercial management is the foundation of project success. Whether we’re supporting a single project or managing multiple contracts, our team brings practical experience, technical depth, and professional integrity to every engagement.

Your success is our measure — and we’re here to make sure it’s built on accuracy, transparency, and trust.

Our Core Expertise

Professional Consultancy Services Across Australia

At AGC Consultants, we provide end-to-end commercial management support — from accurate building measurements to complex claims and contract administration. Our services ensure clarity, compliance, and cost control in every project.

Measurements

We deliver accurate building measurements and Bills of Quantities using CostX technology—ensuring clarity, traceability, and confidence from the project’s early estimating stage to final cost control for reliable project delivery.

Claims

Our claims specialists prepare and review variations, EOTs, and delay analyses—providing strong contractual justification, transparent documentation, and improved entitlement outcomes for every construction project.

Contracts

We manage contract administration from award to completion—tracking progress claims, variations, and correspondence with precision, ensuring compliance, accountability, and peace of mind throughout your project’s lifecycle.

Our Insights

Latest Blog Posts

Stay informed with cost and quantity surveying insights, contract administration guidance, and industry updates shaping Australia’s construction landscape.

Ad-Hoc Measurement Support by AGCC

How AGCC’s Ad-Hoc Measurement Support Strengthens Your Project Delivery and Tendering Efficiency In today’s fast-paced construction environment, frequent design updates,

AGCC – Extending Your Commercial Team | Contract Administration & Cost Consultancy

Extending Your Commercial Team for Smarter, Streamlined Project Delivery In today’s construction environment, commercial teams are constantly balancing contract obligations,