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Arup is an independent firm of designers, planners, engineers and technical specialists offering a broad range of professional services.

Mace Group Ltd, commonly known as Mace, is a global construction and consultancy firm based in London, UK. Founded in 1990, Mace specializes in delivery consulting, project management, and construction expertise across property and infrastructure sectors worldwide. The company employs approximately 7,200-9,200 people and generates annual revenue of around £2.36 billion. Mace is committed to innovation and sustainability, offering services that include project delivery management, cost consultancy, design and digital services, and environmental consultancy. Mace has a strong track record of handling complex, large-scale projects from design to completion. Notable projects include the British Airways Waterside headquarters, the London Eye, The Shard, and significant infrastructure developments in Canada and New York. The firm collaborates with various clients, including governments and major developers, to reshape skylines and connect communities globally. Mace remains independent and focuses on delivering high-quality outcomes through its expertise and collaborative approach.

Balfour Beatty is an international infrastructure group that finances, develops, and maintains vital infrastructures that people depend on.