Modern Landscape Design in Perth

I'm looking for a skilled landscaper to design my front and back yard in Perth. The design should be modern and incorporate outdoor seating areas and garden beds.

Key requirements:
- Design modern outdoor seating areas, specifically pergolas.
- Include garden beds in the design.
- Ensure overall design is cohesive and modern.

Ideal skills and experience:
- Proven landscape design experience
- Strong portfolio of modern designs
- Knowledge of local plants and climate

Please provide a detailed plan and visuals.