A prominent construction contractor, Fung Cheung Kee, has gone into liquidation, dismissing all of its employees.

It's understood that workers were on Friday informed the decades-old firm had initiated proceedings to wind up due to cash flow problems, and that provisional liquidators had been appointed to take over.

The liquidators would be responsible for handling the company's assets, debts and other related matters, while arranging two rounds of meetings with employees, according to an internal memo circulating online.

A search of the company online found that its webpage was no longer available.

The Hong Kong Construction Industry Employees General Union said it had received calls for assistance from at least 20 workers, adding that more than 100 of individuals directly employed by the contractor could be affected.

Ng Wai-leung, a rights and complaints officer at the union, told RTHK that he was shocked to hear about the news, saying that the firm had been proactive in handling the wages it owed.

The Labour Department, for its part, expressed concern, saying it immediately reached out to the provisional liquidators to follow up on the situation.

Officials said they would help workers apply for ex-gratia payment from the Protection of Wages on Insolvency Fund, if the company was unable to pay back its employees due to liquidation.

The firm's subsidiary, Cheung Kee Fung Cheung Construction Company, is among those on the Development Bureau's approved list of public works contractors.

The Urban Renewal Authority said the company undertook the "Free Space" project in Kwun Tong town centre, with most of the work completed.

It said the remaining work would be dealt with in accordance with contract terms.