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What is HRO?

HRO solutions mindshare

As of May 2026, in the HRO category, the mindshare of TriNet Human Resource Outsourcing is 12.1%, up from 7.4% compared to the previous year. The mindshare of ADP Human Resource Outsourcing is 15.0%, down from 20.2% compared to the previous year. The mindshare of AON Human Resource Outsourcing is 14.1%, down from 16.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
HRO Mindshare Distribution
ProductMindshare (%)
ADP Human Resource Outsourcing15.0%
AON Human Resource Outsourcing14.1%
TriNet Human Resource Outsourcing12.1%
Other58.8%
HRO

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