The Company was initially founded in March 2002 under the name of Tuffsan 89 Investment Holdings Proprietary. The Company made its first direct property investment with the acquisition of the Forum Building in Pretoria. With the management, expertise and deal-making capabilities of the founding shareholders, further acquisitions followed, including NPA Cape Town building, 110 Hamilton building, SARS Kimberley building, Cooper House building, Tivoli building and SARS Springs building. Delta successfully listed on the JSE Limited on 2 November 2012. The portfolio at the time comprised on 20 properties valued at R2.1 billion and with a market capitalisation of R1.35 billion. Delta's portfolio as at 28 February 2018 comprises of 105 strategically located and high grade properties, valued at R11.5 billion and with a market capitalisation of around R4.3 billion.