The Newtownabbey based company has been operating for more than 25 years but has run into financial problems.

It said that upwards of 50 jobs could be lost.

In a statement, Ulster University said: “The university continues to manage the construction work under way to ensure the continued progress of the development of the new teaching block at our Magee campus.”

The steel frame of the building on the Northland Road is in place, some underground pipes have been laid but workers from T&A Kernoghan are no longer on site.