A subconsultant is a professional who is appointed and paid by another discipline (usually an architectural practice) to carry out design or surveys work that requires specialism.

Some examples of subconsultants include:

• Landscape Architects
• Ecologists
• Arboriculturalists.

Landscape Architects can be appointed both as consultants or as subconsultants. The diagrams below provide a couple of the alternatives depending on who they are appointed to:

Even if a Landscape Architect is appointed as a subconsultant, he can still bring in another professional as a subconsultant to him for the carrying out of specialist work as per the diagram below: