Manual attendance quietly leaks money. Paper sheets get filled in from memory, buddy-punching inflates hours, and payroll spends days reconciling numbers nobody trusts. Geofencing fixes the root cause: it ties a clock-in to a real place, so time recorded is time actually on site.
What geofencing actually does
A geofence is a virtual boundary around your site. When an employee clocks in from the mobile app or a kiosk, the system checks that they are inside that boundary before it accepts the punch. Clock in from the car park across town and it is rejected.
That single check removes the most common forms of attendance fraud: clocking in for a colleague who has not arrived, or clocking in from home and driving in later. The record becomes something payroll can rely on.
Where teams get it wrong
The first mistake is drawing the geofence too tight. GPS on phones drifts by tens of metres, so a boundary that hugs the building will reject genuine staff at the door. Give it sensible padding and test it at the entrance before rollout.
The second is treating field and desk staff the same. Field teams need to clock in at client sites, not head office, so the system has to support multiple geofences or a per-visit location, not one fixed boundary.
Rolling it out without a revolt
Attendance changes make people nervous, so lead with the why: fewer disputes, faster pay, no more chasing timesheets. Run it in parallel with the old method for a pay cycle so everyone can see the numbers line up.
Tie clock events straight into timesheets and payroll export so managers are not re-keying anything. The less manual handling between the punch and the payslip, the fewer errors and the less resentment.
Key takeaways
- Geofencing ties each clock-in to a real location, killing buddy-punching and remote punching.
- Pad the boundary for GPS drift and test at the entrance before you go live.
- Support multiple sites for field teams; one fixed geofence will not fit everyone.
- Feed clock events straight to payroll to remove manual re-keying and disputes.
See how Trezod does this in practice.
See time & attendance