The use case: how Paychex deploys Sierra
Paychex uses a Sierra voice AI agent to handle transactional payroll-processing calls around the clock, so service reps have more time for work that needs human expertise. It was built to ease surging holiday call volumes, long hold times and mandatory overtime.
More reported results
Figures published in Sierra’s case study. They are not independently measured by usedby.
93% positive customer effort scores
In the customer’s words
When it's implemented thoughtfully, it doesn't dilute the experience," Liz says. "It really helps you deliver an enriched experience to your customers.Other AI tools used by Paychex
Other public relationships recorded on usedby.
Explore Paychex’s AI stackSierra users in HR & Recruiting
Companies in the same sector, with public evidence.
See all Sierra customersGo straight to the source
Based on Sierra’s published case study. We check the public evidence; the results are reported by the vendor.
sierra.ai- Source published
- May 14, 2026
- Last checked
- Oct 7, 2026
Open source capture What the story claims, and what we checked
What we compared with the page.
- The figure: 95%Checked
The figure is on the page; its label is our wording.
- The passage quoted aboveChecked
Copied word for word from the page, near the name of Paychex.
- The publication dateChecked
Read from the page’s own metadata, never guessed.
- Paychex uses SierraChecked
Confirmed line.
- The result itselfNot checked
We quote it; we did not measure it.
The early results from those using the agent validated the approach: 95% positive client satisfaction scores, 93% positive customer effort scores, and customers who try the agent coming back to use it again.



