Established in 1998, Swanline Group is a privately-owned company focused property development & investment, project management and business investment. Swanline was founded by John Trettel, a co-founder of the United Group.
Established in 1998, Swanline Group is a privately-owned company focused property development & investment, project management and business investment. Swanline was founded by John Trettel, a co-founder of the United Group.
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NEW ROLE: John Trettel, Chair | 01 Nov 2024 |
| NEW ROLE: Paul Trettel, Managing Director | 01 Nov 2024 | |
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ADDED: Added to Property - (Built-form) Developers list | 01 Nov 2024 |