Southward African prosecutorial include named for two consulting firms to return $130 millionth (£94.4 millionth) they gained of the country force business, Eskom.
McKinsey, and a regional company named Trillian, were pay the sum in 2016 for giver consultation.
Trillian was controllable by the Gupta household, whose proximity to Ceo Jacob Zuma led to corrupt practices extortion.
Both of the Guptas and Mr Zuma, who has told he will set up an investigation in the household, reject any offence.
Officials are studying if McKinsey permitted cash of Eskom to go to Trillian as a way of winner the consulting agreement.
McKinsey, that has lose clients above the fracas, told it stopped work in Trillian one day it implemented its connect to the Guptas.
The world company has as well told it is lucky to back the cash it gained in the transactions.
McKinsey, that acknowledged in Oct it “done few errors of judgment”, as well maintains it gave no cash to Trillian.
Recent monthly, a Southward African trial gave prosecutorial permit to freeze over the $130 millionth (£94.4 millionth) regarding to the Eskom agreement.
The is the newest in a episode of corrupt practices news story stories about Mr Zuma and the Guptas.
The strong household is charged of “country seize”, mainly how it utilized its bonds to profit by the government impact and profitable country contracts.
The is one of the at first times the by the government has undertaken activity versus the Gupta household.
The go versus McKinsey may so be fair the begin – as encouraged prosecutorial begin to goal figures someone, for year, seemed to lot to be inviolable, our reporter adds.