Grant Thornton Frackowiak sp. z o.o. acquired 80% stake in EDISONDA Sp. z o. o. from Quantum Software Spólka Akcyjna (WSE:QNT) and others on September 15, 2017. Grant Thornton acquired 59.2% stake in EDISONDA from Quantum Software for PLN 2.1 and acquired the remaining 20.8% stake from an undisclosed seller. Edisonda had revenue of PLN 4.5 million in 2016. Grant Thornton Frackowiak sp. z o.o. completed the acquisition of 80% stake in EDISONDA Sp. z o. o. from Quantum Software Spólka Akcyjna (WSE:QNT) and others on September 15, 2017.