There could only be winner of the main competition. However, within each sponsoring company teams were battling for supremacy against their colleagues, and for internal bragging rights as they tried to become their own sponsors' champion.

The final league tables, and performance assessments, for sponsors entering 3 or more teams are shown below, for the Preliminary Rounds.

	AECOM is a global provider of professional technical and management support services to a broad range of markets, including transportation, facilities, environmental, energy, water and government.	Final league table (brief) Final league table (detailed) Comparative assessment
	ARCADIS is the leading global Design & Consultancy firm for natural and built assets, applying their deep market sector insights and collective design, consultancy, engineering, project and management services to work in partnership with their clients to deliver exceptional and sustainable outcomes.	Final league table (brief) Final league table (detailed) Comparative assessment
	ATKINS is one of the world's leading design, engineering and project management consultancies. They have the breadth and depth of expertise to respond to the most technically challenging and time critical infrastructure projects.	Final league table (brief) Final league table (detailed) Comparative assessment
	BURO HAPPOLD ENGINEERING is an international, integrated engineering consultancy operating in 23 locations worldwide.	Final league table (brief) Final league table (detailed) Comparative assessment
	HATCH is a global multidisciplinary management, engineering and development consultancy, with a global network of 9,000 professionals in over 150 countries around the world in the metals, energy, infrastructure, digital, and investments market sectors.	Final league table (brief) Final league table (detailed) Comparative assessment
	JACOBS is an international engineering, architecture, and construction firm with offices located around the world. They are a publicly traded company offering support to industrial, commercial, and government clients across multiple markets.	Final league table (brief) Final league table (detailed) Comparative assessment
	MCNAB is a privately-owned Austalian based design and construction company, providing building solutions from project conception, design management, construction, project management and tender construction.	Final league table (brief) Final league table (detailed) Comparative assessment
	MOTT MACDONALD is a global management, engineering and development consultancy adding value for public and private clients on agenda-setting, next-generation projects worldwide. They use their ingenuity to save their customers money and time, reduce risks, increase efficiency, maximise sustainable outcomes and advance best practice.	Final league table (brief) Final league table (detailed) Comparative assessment
	UK-based MWH TREATMENT offers a full range of high-value, start-to-finish construction services, providing design, construction, commissioning and startup for projects ranging from water treatment to renewable energy.	Final league table (brief) Final league table (detailed) Comparative assessment
	The PARSONS CORPORATION is an engineering, construction, technical, and professional services firm, and a leader in diverse markets, focusing on infrastructure, defense, security, and construction.	Final league table (brief) Final league table (detailed) Comparative assessment
	RAMBOLL is a leading global engineering, architecture and consultancy company founded in Denmark in 1945, and working across a variety of markets, including buildings, transport, water environment & health, energy and management consulting.	Final league table (brief) Final league table (detailed) Comparative assessment
	The ROBERT BIRD GROUP are part of the Surbana Jurong Group, and are a global consulting engineering firm with over 600 staff across ten offices.	Final league table (brief) Final league table (detailed) Comparative assessment
	STANTEC is a global leader in the provision of strategic planning, design, construction and engineering program management services for projects around the world. Their focus is wet infrastructure – providing services to a full range of water-related projects and programs ranging from water supply, treatment and storage, dams, water management for the natural resources industry and coastal restoration to renewable power and environmental services.	Final league table (brief) Final league table (detailed) Comparative assessment
	WSP is one of the world’s leading professional services companies. They provide services to transform the built environment and restore the natural environment.	Final league table (brief) Final league table (detailed) Comparative assessment