ADP vs OnPay

Last updated: 2025-11-27

This comparison focuses on who each tool fits best, pricing structure (where available), and the practical differences that matter for SMB payroll decisions.

At a glance

	ADP	OnPay
Segment	MID	SMB
Best for	Businesses that prioritize compliance coverage and prefer a long-established payroll provider.	Small businesses that want reliable payroll and tax filing without a heavy HR suite.
Pricing	Custom pricing; varies by plan and services (check vendor site).	Typically a base fee plus per-employee pricing (check vendor site).
Key features	Payroll processing Tax services Compliance support Reporting Service options (vary by plan)	Payroll processing Tax filings Direct deposit Contractor payments Payroll reporting

Which should you choose?

Choose ADP if…

You fit: Businesses that prioritize compliance coverage and prefer a long-established payroll provider.
You value its approach to payroll + HR tradeoffs.

Choose OnPay if…

You fit: Small businesses that want reliable payroll and tax filing without a heavy HR suite.
You value its approach to payroll + HR tradeoffs.

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