Softscape Landscape Design Needed

I need a comprehensive softscape landscape design. The project is 4500m2 and will likely include:

- Trees
- Plants and flowers
- Shrubs and Ground covers
- Grass and turf

Ideal skills and experience:
- Expertise in horticulture and landscape design
- Knowledge of Saudi Arabia, UAE, and Egypt local climate and plant suitability

Please provide portfolios and relevant experience.