Purcell is now the 10th largest architectural practice in the UK according to the AJ120.
The results were revealed at the AJ120 Awards ceremony which took place at the Tower of London on 3rd June.
The AJ120 ranks the top UK practices and is coordinated by the Architects Journal. Purcell has been steadily growing over the past few years and was previously no.13.
Purcell was also a finalist for the Business Pioneer of the Year Award, a new category for 2015, recognising creativity and positive change within the business.