Staff at the family firm are already looking for new jobs after being given the bad news on Friday.
Killelea has been in business since 1970 providing structural engineering services including 3D building design, structural steel fabrication and erection.
One of the company’s highest profile recent projects was the £20m new Luton airport car park which hit the headlines last week when it caught fire.
Killelea worked for recently collapsed main contractor Buckingham Group on the Luton job.
Latest accounts for Killelea show a turnover of £11.4m generating a pre-tax loss of £772,000 for the year to May 31 2022 during which the company employed 92 staff.
Data and credit checking specialist Red Flag Alert highlighted the firms’ administration notice with its regular checks of high court construction insolvency applications.
Subscribers to the Red Flag Alert service benefit from early warnings about the financial health of companies to help them avoid bad debts.
The Enquirer has linked-up with Red Flag Alert to offer readers a discount on its services and help you avoid worthless invoices from insolvent companies.
For more information and to benefit from the Enquirer discount click here.