HR & Payroll
OnPay
Simple, flat-rate full-service payroll and HR for small businesses.
4.8· 464 reviews· via CapterraFounded 2011 · Atlanta, GA
What is OnPay?
OnPay is a full-service online payroll and HR provider for small businesses. It offers flat-rate, unlimited payroll runs plus tax filing, benefits, and basic HR tools across all US states.
Best known for: Simple flat-rate full-service payroll
Key features
- Full-service automated payroll
- Automatic tax filing and payments
- Flat per-employee pricing
- Employee self-onboarding
- Benefits and workers' comp integration
- HR tools and document storage
Who OnPay is best for
- Small businesses that want one transparent, flat monthly price
- Owners who need all tax filings and multi-state payroll included
- Teams with contractors or across several states
Ideal team: US small businesses of 1–100 who want straightforward, full-service payroll at a predictable flat base plus per-employee fee.
OnPay pricing
Popular
Payroll Essentials
$49/base + $6/emp / mo
- Unlimited pay runs
- All tax filings included
- W-2s & 1099s included
Costs to watch before you commit
- HR tools are a paid add-on (+$15 base + $2/employee).
- Compliance resources (+$10) and live HR support (+$75) are separate add-ons.
- No same-day direct deposit — funding takes a few business days.
- Built for SMBs, not very large or enterprise headcounts.
Top OnPay alternatives
Popular HR & Payroll tools teams evaluate alongside OnPay.
RipplingOne system to run HR, IT, and Finance on a single employee record.
DeelHire, pay, and manage a global team compliantly from one platform.
Patriot PayrollAffordable, easy online payroll for US small businesses.
GustoAll-in-one payroll, benefits, and HR built for small businesses.
RUN Powered by ADPTrusted full-service payroll and tax filing for small businesses.