Gardiner & Theobald (G&T) is a long-established, independent construction and property consultancy founded in 1835 and headquartered in London. The firm operates globally across the UK, the US, and other international markets, delivering a wide range of services including cost management, project management, and infrastructure consultancy within the built environment. With over 180 years of industry heritage, G&T combines deep technical expertise with a forward-looking approach, supporting clients across sectors such as education, healthcare, commercial development, and energy. 

The company is distinguished by its partner-led structure, which promotes accountability, collaboration, and high-quality service delivery. This model enables the firm to build long-term client relationships while delivering tailored, value-driven solutions. G&T provides strategic advice throughout the project lifecycle, from early-stage planning and procurement to delivery and operational optimisation, helping clients manage risk and maximise asset value.