[Central Centre for Information Technology (COI)](https://www.coi.gov.pl/) employs over 1.5 1000 specialists who implement IT projects for the public sector, designated and coordinated by the Ministry of Digital Affairs. It is the COI squad that corresponds to e.g. [for the mCitizen application](https://cyberdefence24.pl/politics-and-law/citizen-is-safe-minister-tlumbists), its operation and implementation of subsequent functionalities.