was to have been located between Mount Street, the railway station and Blackhall Street. Planning permission was granted for retail, commercial and residential units. Phase 1, which included tax offices, library, civic offices and County Council buildings was officially opened on 11 June 2009. Phase 2, however, did not proceed.

Mullingar contains several industrial estates and business parks. As of 2015, only one plot on the Industrial Development Authority (IDA) business park in Marlinstown has been acquired by an employer, Patterson