WM Associates’ client list include:
- NIEA (Belfast)
- National Parks and Wildlife Service (Dublin)
- Coillte Teo (Co. Wicklow)
- Heritage Council (Kilkenny)
- World Wildlife Fund
- NI Housing Executive
- NI Fire and Rescue Service
- Invest NI
- Belfast City Council
- Kildare County Council
- Cavan County Council
- The Woodland Trust
- The National Trust
- The Ulster Museum
- The Ministry of Defence (Defence Estates)
- Lagan Valley Regional Park
- Ove Arup
- Scottish and Southern Energy
- British Telecom
- McAdam Design
- Farrans (Construction) Ltd.
- Laing O’Rourke
- Henry Brothers (Magherafelt) Ltd.
- R.J Mitten & Sons
- Capita Symonds
- RSK (Ireland) Ltd.
- Habinteg Housing Association (Ulster) Ltd.
- Clanmil Housing Association
- Fold Housing Association
- Helm Housing
- Oaklee Housing Association Ltd.