The activity is being attributed to pent up demand following successive lockdowns.
Business activity in Dublin is recovering strongly, and reached a seven year high in the third quarter of this year.
The latest Purchasing Managers Index shows construction, services and manufacturing recording substantial increases in activity.
Rising workloads fed into further hiring, with Dublin companies increasing their staffing levels at the fastest rate since 2018.
It marks the third successive quarter where companies in Dublin increased their workforces.
The activity is being attributed to pent up demand following successive lockdowns.