Swanline Group

Our Beginning

Established in 1998, Swanline Group is a privately owned company focused property development & investment, project management and business investment. Headed by Chairman John Trettel, a co-founder of the United Group, and Managing Director Paul Trettel, Swanline Group combines a vast pool of knowledge and expertise to manage all aspects of the company’s interests.

Our Values

Swanline Group takes pride in its technical excellence in design, innovation and building and has been at the forefront of project development & management of some of Perth’s highest quality projects. All projects are sensitively developed in consideration of community interests and built to a high quality that is renowned in the industry. The company has earned respect and recognition from its peers with numerous awards for excellence in design, construction, interior design and innovation.

‘Swanline Group is a privately owned company involved in a range of activities including property investment, property development, project management and business investment.’



Contact Us

326 Rokeby Rd
Western Australia 6008
PO Box 2036
Western Australia 6904