Purcell is an architectural, masterplanning, and heritage consultation firm. The firm boasts a deep comprehension of shared heritage which influences their designs, as well as a dedication to the improvement of occupancy experience and project sustainability. They manage tasks such as Kresen Kernow, which involves the creation of a county archive for Cornwall, and Tai Kwun Centre for Heritage and Arts, depicting their versatility in handling differing projects.

The company is also involved in annual heritage and cultural events such as the ICOMOS GA23 Youth Forum, displaying its active participation in community activities. One of their architectural assistants, Hugh Jones, represented the firm in the 2023 edition of the youth forum. Their devotion to maintaining cultural and heritage values is further demonstrated by their recent restoration of The George Community Pub, Wickham Market, Suffolk.

The team at Purcell consists of over 250 architects, heritage consultants, and support staff who are spread across the globe, showing the company's global reach. They are celebrated as the world's largest team of heritage experts working in the built environment. The team enjoyed a coordinated global day out on 7 September 2023, showing a culture of unity and camaraderie within the firm.

Since its establishment in 1947, Purcell has evolved into a cross-disciplinary practice with over 250 employee-owners, based in 14 international studios. Reflecting the firm's growth and entrepreneurial spirit, these employees, scattered across numerous locations, represent Purcell's continued commitment to its principles and expansive industry experience.