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The top 10 consultancies by work area turnover, based on entries in the ENDS Directory 2010, listed in alphabetical order
Air pollution and quality
AEA
AECOM
Arup
Atkins
Capita Symonds
Entec UK
Golder Associates (UK)
Hyder Consulting (UK)
Mott MacDonald
RPS Group
Contaminated land
AECOM
Capita Symonds
Entec UK
Environmental Resources Management
Halcrow Group
MWH
RAW Group
RPS Group
RSK Group
WSP Environment & Energy
Corporate environmental strategy and CSR
Arup
Atkins
Capita Symonds
Environmental Resources Management
Hyder Consulting (UK)
Mott MacDonald
PricewaterhouseCoopers
RPS Group
Scott Wilson
WSP Environment & Energy
Due diligence/auditing
Atkins
Capita Symonds
ENVIRON
Environmental Resources Management
Halcrow Group
Mott MacDonald
MWH
RPS Group
SLR Consulting
WSP Environment & Energy
Ecological and land management
ADAS UK
Atkins
Capita Symonds
Halcrow Group
Hyder Consulting (UK)
Mott MacDonald
Mouchel Group
RPS Group
RSK Group
Thomson Ecology
Environmental impact assessment and SEA
Arup
Capita Symonds
Environmental Resources Management
Halcrow Group
Hyder Consulting (UK)
Mott MacDonald
Mouchel Group
MWH
RPS Group
RSK Group
Environmental management systems
Arup
Atkins
Black & Veatch
Capita Symonds
Environmental Resources Management
Hyder Consulting (UK)
Mott MacDonald
RPS Group
RSK Group
WSP Environment & Energy
Industrial processes and hazard management
AECOM
Atkins
Black & Veatch
Capita Symonds
Entec UK
Halcrow Group
MWH
RPS Group
SLR Consulting
URS Corporation
Noise and vibration
Arup
Atkins
Capita Symonds
Entec UK
Halcrow Group
Hyder Consulting (UK)
Mott MacDonald
Mouchel Group
RPS Group
WSP Environment & Energy
Product stewardship
AEA
Atkins
Capita Symonds
ENVIRON
Mott MacDonald
PricewaterhouseCoopers
RPS Group
Scott Wilson
SKM Enviros
WSP Environment & Energy
Sustainable energy and climate change
AEA
Black & Veatch
Capita Symonds
Environmental Resources Management
Hyder Consulting (UK)
MWH
RPS Group
RSK Group
SKM Enviros
SLR Consulting
Waste management and recycling
ADAS UK
AEA
Atkins
Capita Symonds
Golder Associates (UK)
Mouchel Group
MWH
RPS Group
SKM Enviros
SLR Consulting
Water and wastewater
Atkins
Black & Veatch
Capita Symonds
Entec UK
Halcrow Group
Hyder Consulting (UK)
Mott MacDonald
Mouchel Group
MWH
RPS Group
