Paychex
Depends
Confidence: Medium
Buy if you want one vendor for payroll, HR, benefits, and retirement with a dedicated rep.
New check
Comparison
Paychex vs OnPay
Paychex lands on Depends, and OnPay lands on Worth it.
OnPay
Worth it
Confidence: Medium
Small businesses (roughly 1-50 employees) get a well-reviewed, transparently priced payroll+HR+benefits bundle . buy it.
| Compare | ||
|---|---|---|
| Verdict | Depends | Worth it |
| Best for | Small-to-mid businesses wanting outsourced payroll | Small businesses under ~50 employees |
| Who it's not for | Solo founders and 1-3 person teams . overpriced | Companies with 100+ employees needing deep HRIS workflows |
| Privacy | 2024 data breach; negligence class action dismissed, but account-takeover reports persist.⁴ | No known public vulnerabilities found in the sources reviewed for OnPay core; one CVE exists in its WooCommerce WordPress plugin. |
| Support quality | BBB customer-service complaints; mixed reports | No reliable support evidence in sources |
| Public sentiment | Reviews are mixed: users like the interface and breadth, but complain about opaque pricing, fees, and support, and some switch away. | Small-business owners consistently praise OnPay's cost and ease of use, and it ranks #1 on G2 among small-business payroll tools.14 |
| Biggest gotcha | March 2024 breach exposed payroll data; class action dismissed but trust dented⁵ | OnPay's WooCommerce plugin had a missing-authorization CVE (CVSS 5.3); patch if you use it. |
Pick Paychex when
- Small-to-mid businesses wanting outsourced payroll
- Owners bundling HR, benefits, and 401(k)
- Companies preferring a rep over DIY software
When Paychex is not a fit
- Solo founders and 1-3 person teams . overpriced
- Buyers who want transparent, published pricing
- Teams wanting modern self-serve software over sales calls
- Security-sensitive buyers unwilling to accept a breach history
Pick OnPay when
- Small businesses under ~50 employees
- Owners bundling payroll, HR, and benefits
- Churches and nonprofits
- Agricultural businesses
When OnPay is not a fit
- Companies with 100+ employees needing deep HRIS workflows
- Anyone with multi-country or global payroll needs
- Solo operators who only cut occasional contractor payments
Sources
- Paychex Review: Pros, Cons, Features and Pricingpeoplemanagingpeople.comreview
- Paychex Flex Review - Pros, Cons, and Featuressoftwarefinder.comreview
- Paychex Payroll Services Reviewpossibly.comreview
security
- Paychex Escapes Proposed Class Action Over 2024 Data Breachnews.bloomberglaw.comsecurity
- Paychex Data Breach: What & How It Happened?twingate.comsecurity
- Paychex Inc BBB Complaintsbbb.orgreview
- Best Paychex alternatives (Reddit)reddit.comreview
- Paychex Case Studiesfeaturedcustomers.comreview
review
- Gusto vs Paychex Flexonpay.comreview
- Paychex Corporate Privacy & Securitypaychex.comofficial
- OnPay Named Best Online Payroll Service for Small Businessesbusinesswire.comnews
- Page 10 - Reviews of OnPay (Capterra)capterra.comreview
review