⬖ Landscape ⬖ Pool ⬖ Alfresco ⬖ Horticulture COS Design was formed in early 2000 by Steve Taylor and has since become one of the country’s most highly regarded and awarded design companies. Steve and the team specialize in a professional design process from consultation to concept plans through to part or full working drawings, 3D modeling, tender management and contract admin/project management services.