Members Directory

Members with the stakeholder group 'Tier 1 Consultants'

Company Name

Nature of Business


Help clients around the world to manage and reuse water, providing them with modern and reliable water and wastewater treatment.

Allen Gordon LLP

Allen Gordon provide Project Management and Design Services for water and wastewater infrastructure and non-infrastructure projects.

Arcadis UK

Arcadis is the leading global natural and built asset design and consultancy firm, working in partnership with our clients to deliver exceptional and sustainable outcomes through the application of design, consultancy, engineering, project and management services. Our passion is to improve the quality of life and be recognized as the best. Our values are lived out every day by our 28,000 people around the world.


Arup is an independent, multinational, professional services firm which provides engineering, design, planning, project management and consulting services for all aspects of the built environment.

Atkins Ltd

Atkins is one of the world's leading design, engineering & project management consultancies. Atkins supports the water, wastewater and water-related environmental sectors with services from water strategy planning and flood management to infrastructure design and maintenance.


Solution integrator and IT Services

Beal Consultants

Simon can provide specialist advice on leakage economics, supply-demand economics, asset management, capital maintenance and benefit:cost analysis

Black & Veatch Ltd

Black & Veatch is a leading global engineering, consulting and construction company.

E C Harris

E C Harris is a leading, global Built Asset Consultancy.

FTI Consulting LLP

FTI Consulting combines deep financial, forensic, economic, technology and communications experience with extensive industry expertise throughout the world.

GMC Surveys

GMC Surveys is a civil engineering consultancy which specialises in roads and drainage design for developments in the north of Scotland.

Hitachi Consulting

From generation asset management, to a smarter grid, or to addressing the needs of new energy solutions, Hitachi Consulting provides services in all segments of the energy & utilities value chain.


Jacobs leads the global professional services sector delivering solutions for a more connected, sustainable world. Jacobs provides a full spectrum of services including scientific, technical, professional and construction and program-management for business, industrial, commercial, government and infrastructure sectors.

JBA Consulting

JBA Consulting is one of the UK's leading specialists in flood risk and environmental management - including floods, droughts. erosion and water levels.

Mace Limited

Mace is an investment, construction, consultancy and FM business. Our water services are part of the Infrastructure consultancy division.

Mott MacDonald

Civil and structural engineering consultancy.


Mouchel is an international infrastructure and business services group. Mouchel provide advisory, design, project delivery and managed services associated with infrastructure and business services. Working in highways and transportation, local government, property, emergency services, health, education and utilities markets across the world.

PricewaterhouseCoopers LLP (PwC)

PwC is the leading professional services firm, providing assurance, tax, deals and advisory services, including in the water and wastewater sectors.

RPS Water

RPS is a leading provider of professional and field-based support services to the water industry.


Simoco meets the communications needs of organisations throughout the world. We work where communications are critical to operational success


Sweco plans and designs the communities and cities of the future. We do this by offering qualified services in the fields of consulting engineering, environmental technology and architecture.

Turner & Townsend

Turner & Townsend are a leading global programme management and construction consultancy that supports organisations that invest in, own and operate assets.

Wood plc

Wood provide consultancy, engineering and project management services to the oil & gas, clean energy, environment and infrastructure markets.

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