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About Us

Williamson Building Corporation is a multi-disciplined construction and property business specialising in commercial and residential projects within the Sydney metropolitan area.

The company was established in November 2001 by William Obeid and his son Michael William Obeid, who is the Managing Director of the business.

At Williamson Building Corporation, we value the relationships we foster with our clients, consultants and contractors and pride ourselves on the high standard of service we provide to our clients and stakeholders. We strive to understand our clients needs and requirements, fostering open and transparent communication and always operating from integrity.

We are a young, dynamic and proactive team of professionals who are constantly searching for creative solutions to the challenges that arise within a project. We are meticulous in our planning and reporting, at all times applying the utmost attention to detail when delivering projects.

Business size

26-100 employees


Commercial presence