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.

	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
	BURO HAPPOLD ENGINEERING is an international, integrated engineering consultancy operating in 23 locations worldwide.	Final league table (brief) Final league table (detailed) Comparative assessment
	The COSTAIN GROUP is one of the UK’s leading engineering solutions providers, delivering integrated consulting, project delivery and operations and maintenance services to major blue-chip customers in targeted market sectors including Rail, Highways, Power, Airports, Water, Nuclear Process, Waste and Oil & Gas.	Final league table (brief) Final league table (detailed) Comparative assessment
	CUNDALL is an international multi-disciplinary consultancy providing engineering, design and sustainable solutions for the built environment.	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
	LAING O'ROURKE is an international engineering enterprise, founded on over a century and a half of experience. It is the largest privately owned construction company in the UK, and delivers a single-source solution for some of the world’s most prestigious organisations.	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
	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
	The PELL FRISCHMANN is a multi-disciplinary engineering consultancy based in London that provides structural and civil engineering, planning, design, and consulting services. The company employs over 1000 staff worldwide with 8 offices across the UK and international offices in India, the Middle East, Turkey and Romania.	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
	TONY GEE AND PARTNERS provide specialist engineering consultancy services to the worldwide construction industry. They are a multi-award winning firm, renowned for providing high calibre engineering design solutions, with a particular flair for the unique and challenging.	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 (Non UK)
	WSP OPUS is an international multi-disciplinary infrastructure consultancy providing professional consultancy services in transportation asset development and management, building design, water and other infrastructure.	Final league table (brief) Final league table (detailed) Comparative assessment