Payroll & HR Software · reliability comparison

Justworks vs Personio: which is more reliable? (2026)

Justworks and Personio are effectively tied on reliability (89.6 vs 89.6). Over the last 90 days Justworks reported 8 incidents and Personio reported 3, with effective uptime of 99.95% and 99.89% respectively. Justworks resolves incidents faster on average (23m).

Data updated Nov 1, 2026 · How we score

Justworks

89.6/100

Operational

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Personio

89.6/100

Operational

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VS
MetricJustworksPersonio
Reliability score89.689.6
Rank (payroll & HR platforms)#3#4
Uptime (90 days)99.95%99.89%
Incidents (90 days)83
Partial / major outages42
Avg time to resolve23m1h 39m
Outages we detected00
Transparency score100/100100/100

Where Justworks and Personio differ

  • Justworks reported 2.7× as many incidents as Personio over the last 90 days (8 vs 3).
  • Justworks had 4 partial or major outages, compared with 2 for Personio.
  • Justworks fixes problems faster: 23m on average, against 1h 39m for Personio (4.4× quicker).
  • Justworks's longest outage on record lasted 13h 42m (Jun 29, 2026); Personio's lasted 2d 15h (Mar 20, 2026).

90-day uptime

Justworks

Aug 4, 2026 – Aug 5, 2026: no incidentsAug 6, 2026: 99.72% uptime, 1 incident (Degraded performance)Aug 7, 2026 – Aug 11, 2026: no incidentsAug 12, 2026: 99.65% uptime, 2 incidents (Partial outage)Aug 13, 2026: no incidentsAug 14, 2026: 99.65% uptime, 1 incident (Major outage)Aug 15, 2026 – Aug 17, 2026: no incidentsAug 18, 2026: 99.53% uptime, 1 incident (Partial outage)Aug 19, 2026 – Aug 20, 2026: no incidentsAug 21, 2026: 98.18% uptime, 1 incident (Major outage)Aug 22, 2026 – Aug 30, 2026: no incidentsAug 31, 2026: 99.54% uptime, 1 incident (Degraded performance)Sep 1, 2026 – Oct 19, 2026: no incidentsOct 20, 2026: 99.44% uptime, 1 incident (Degraded performance)Oct 21, 2026 – Nov 1, 2026: no incidents
90 days ago99.952% average daily uptimeToday

Personio

Aug 4, 2026: 92.74% uptime, 1 incident (Partial outage)Aug 5, 2026 – Aug 26, 2026: no incidentsAug 27, 2026: 99.54% uptime, 1 incident (Degraded performance)Aug 28, 2026 – Sep 13, 2026: no incidentsSep 14, 2026: 98.46% uptime, 1 incident (Partial outage)Sep 15, 2026 – Nov 1, 2026: no incidents
90 days ago99.897% average daily uptimeToday

Recent Justworks incidents

  • Degraded performanceOct 20, 2026 · resolved in 53m

    Trainings are Currently Unavailable

    Affected: Justworks Platform

  • Degraded performanceAug 31, 2026 · resolved in 44m

    We are experiencing an issue with our platform

    Affected: Justworks.com Website, Justworks Time Tracking Website, Justworks Payroll Platform, Justworks Platform, Justworks Time Tracking Platform, Justworks Mobile App +1 more

  • Major outageAug 21, 2026 · resolved in 26m

    We are experiencing an issue with our platform

    Affected: Justworks.com Website, Justworks Time Tracking Website, Justworks Payroll Platform, Justworks Platform, Justworks Time Tracking Platform, Justworks Mobile App +1 more

  • Partial outageAug 18, 2026 · resolved in 13m

    We are experiencing an issue with our platform

    Affected: Justworks.com Website, Justworks Time Tracking Website, Justworks Payroll Platform, Justworks Platform, Justworks Time Tracking Platform, Justworks Mobile App +3 more

  • Major outageAug 14, 2026 · resolved in 5m

    We are experiencing an issue with our platform

    Affected: Justworks.com Website, Justworks Time Tracking Website, Justworks Payroll Platform, Justworks Platform, Justworks Time Tracking Platform, Justworks Mobile App +1 more

  • Partial outageAug 12, 2026 · resolved in 9m

    Intermittent Platform Issues

    Affected: Justworks.com Website, Justworks Time Tracking Website, Justworks Payroll Platform, Justworks Platform, Justworks Time Tracking Platform, Justworks Mobile App +1 more

Full Justworks reliability report →

Recent Personio incidents

Full Personio reliability report →

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