About Us


At A.C.Ong Consulting Inc. (ACO), we have the resources and the expertise of a large engineering consulting firm, but we strive to maintain the family atmosphere of a small firm.  Since our founding in 2002, we have earned a reputation as one of the country’s leading Engineering and Project Management firm, providing consulting services to the infrastructure development and construction industry. The company today numbers over 45 technical, project and administrative staff, located in our Makati City head office and other project offices in the Philippines.

The engineering environment is one of increasing regulations and complexity.  Knowing this, we believe our clients deserve the technical competence needed in today’s business world.  We are continually expanding the scope of our practice beyond traditional engineering services. We provide a wide variety of professional solutions from a single source.

Our firm culture is progressive in its thinking.  We set high standards for performance and empower our highly trained personnel.  We believe, however, that quality client service goes beyond technical excellence.  It includes responsiveness to client needs, value for reasonable fees and a caring attitude. We focus on delivering excellent service and exceptional value to our clients.

ACO has an impressive track record across a broad range of project types in the Philippines and other countries. This document provides a brief overview of the company’s services and capabilities.


ACO is able to offer the most appropriate team with the necessary skills and can make them available immediately upon commissioning by the client.

In particular, the benefits in selecting ACO include:

  • Proven Track Record. ACO has a history of successfully delivering projects across a broad range of project types for our clients.
  • Quality and Timeliness. Local reputation for providing timely and high quality services as highlighted by our growing clients list.
  • Value for Money. Competitive rates from an established team with an established track record.
  • Appropriate Skills and Experience.A project team with considerable experience and exposure to a broad range of project types.

Overall, ACO has the experience, competence and expertise to provide a high quality professional service in undertaking a project.

Quality Assurance

ACO is committed to providing quality solutions in a timely and efficient manner. The quality assurance system we use facilitates this process.

Working towards an ISO 9001 certification, our office operates under a practice Quality Management System. The system is regularly reviewed and we have in place a continuing improvement program to ensure we meet the needs of our clients now and in the future.

Value Engineering

As one of the practitioners of Value Engineering in the Philippines, ACO provides engineering services that clarify our client’s needs, challenges assumptions and tests alternative design solutions aiming to achieve the optimum in economy, quality and performance.

We formulate appropriate, cost-effective designs that address specific client and functional requirements. The client is informed of a range of options, as viable solutions are determined for the project.

Working in close collaboration with our clients, we build value and wealth by developing creative methodologies focused on specific project needs.