Reviewed alternatives

Alternatives to Paychex Flex

Compare products with a sourced competitor or replacement relationship to Paychex Flex. Pricing is vendor-published and may vary by plan, seats, usage, or contract.

ADP (RUN Powered by ADP / Workforce Now)

Direct competitor

Payroll and HR platform line from ADP: RUN Powered by ADP for small businesses (1-49 employees) and ADP Workforce Now for mid-sized to enterprise organizations.

Published pricing

Contact vendor for pricing

Categories

Payroll

Both are large, long-established payroll and HR outsourcing providers targeting overlapping small-to-enterprise segments; ADP publishes its own head-to-head comparison against Paychex.

Compare Paychex Flex vs ADP (RUN Powered by ADP / Workforce Now)Source ↗

Relationship verified September 25, 2026.

Rippling

Direct competitor

Unified workforce management platform ('Workforce OS') spanning HR, IT, Finance, and Payroll, with payroll offered as one of several core modules.

Published pricing

From $8/user/mo