WHO WE ARE
Established in 1987, DCOH is an experienced construction and development company operating across residential, commercial, hospitality and real estate sectors.
We have a strong track record delivering complex projects, including award winning work such as the Charles Darwin University Danala Education and Community Precinct, recognised with a 2025 National Master Builders Award of Excellence.
With operations in both the Northern Territory and Victoria, we deliver high quality projects with a clear focus on buildability, programme certainty and strong on-site execution.
Driven by a commitment to Building Better, DCOH combines experience, innovation and disciplined execution creating lasting value for our clients, partners and the communities we serve.
We are seeking a dedicated Roof Plumber Apprentice to join our skilled team. This exciting apprenticeship offers the opportunity to learn and develop your skills in all aspects of roof plumbing, including installation, repair, and maintenance of roofing systems. You’ll work closely with experienced professionals, gaining hands-on experience while contributing to high-quality construction projects.
Your role will be essential in ensuring our roofing systems are reliable and long-lasting, enhancing the safety and functionality of the buildings we work on.

Welcome to DCOH.
Formerly known as the Halikos Group.
Established in 1987, DCOH is a proudly Territory owned and operated business. From its origins as a contract and roofing business, DCOH has successfully developed across seven industries committed to employing, investing into and developing the local community.