KPMG noted that it was not able to verify contracts and transactions with 11 customers, Serba Dinamik said in a stock exchange filing on Friday.
The deals amounted to total sales transactions of 2.3 billion ringgit, trade receivables balance of 652 million ringgit and materials on site balance of 569 million ringgit, the company said.
"Now is the time to challenge ways of working and use what we've learnt during the pandemic to really drive positive action," Holt said in a statement.
It indicates the regulator has found breaches of auditing standards and is giving KPMG time to respond before it makes a final decision on whether to pursue enforcement action and financial penalties.
The three consultancies "will support UzAssets by providing financial, tax and legal due diligence, valuation services and identifying and negotiating with potential buyers", it said in a statement.
Among the assets to be sold off are majority stakes in Kafolat, one of the Central Asian nation's largest insurance companies, Quartz, the country's largest glass producer, and Trest-12, a leading construction company.