People who lost their jobs due to the collapse of Carillion are still seeking justice 600 days after the engineering giant was forced into compulsory liquidation.
Unite, the UK and Ireland's largest union, has criticised the government for a "business as normal approach" amid what it described as "continued inaction" against the company's directors and senior managers.
The union has stepped up calls for a "root and branch reform" of company law, with Friday set to mark 600 days since Carillion, which was headquartered in Wolverhampton, went out of business, Press Association reports.
Thousands of workers lost their jobs, with Unite now taking employment tribunal cases for around 220 former employees, claiming a lack of consultation before they were made redundant.
The union said Carillion's two flagship hospital projects, the Royal Liverpool Hospital and the Midland Metropolitan Hospital, are years behind schedule with work not yet restarted or only just getting under way.
The Royal Liverpool Hospital was originally due to be completed by March 2017 but work has only recently restarted.
The Midland Metropolitan Hospital near Birmingham was due to be completed last October but will not be finished before late 2021, Unite said.
Unite assistant general secretary Gail Cartmail said: "As we approach 600 days since the collapse of Carillion it is totally apparent the Government has failed to learn any lessons from this debacle.
"The guilty directors and senior managers remain unpunished and are free to pursue new lucrative roles while the innocent workers have a long battle ahead of them in their battle to secure compensation in the courts.
"Flagship hospital projects are years away from being completed, meanwhile patients and staff have been left to struggle on in facilities that are no longer fit for purpose.
"Government ministers have clearly washed their hands of the whole mess and now pretend it is no longer their problem.
"It is quite clear that their needs to be a root and branch reform of company law to prevent similar collapses in the future and the creation of effective regulators with real teeth who are able and willing to tackle bandit capitalism."
