The slowdown in mining project work has resulted in a 26 per cent fall in the number of environmental professionals employed at the state's biggest consulting firms over the past year.
Less than a year after its takeover of construction contractor Central Systems, Resource Development Group is selling subsidiaries Ecologia Environment and Intellect Systems.
Perth-based Resource Development Group says it has combined its business operations into two independent divisions, following its acquisition of Central Systems in October last year.
Resource Development Group has added a fourth arm to its engineering and contracting business after exercising an option to acquire Ecologia Environmental Consultants.
ENVIRONMENTAL consulting firm RPS Group has boosted its position in the Perth market with the recent acquisition of water resource and environmental consultancy Aquaterra Consulting.