Paychex
A full service payroll veteran that pairs deep tax and compliance coverage with a dedicated specialist on most plans.
Paychex is one of the two giants of US payroll, and Paychex Flex brings that scale to small and mid sized employers. It files federal, state and local taxes, supports a 24/7 service team, and many plans assign a dedicated payroll specialist, which is rarer in the self serve crowd. It also offers a PEO and a long menu of HR, benefits and retirement add ons, so it can grow with a company. The tradeoffs are transparency and feel. Only the entry Flex Essentials price is published, the higher tiers are quote based, per run and setup fees can apply, and the interface is busier than newer rivals like Gusto.
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Full service payroll with a specialist on the line, if you can live with quote based tiers.
In its favour
Held against it
Service and depth lead, pricing clarity is the trade.
Paychex scores well on payroll, compliance and service, helped by dedicated specialists and a wide add on menu. Ease and value are softer, shaped by a dated interface and quote based pricing above the entry tier.
Scored against the same five weighted criteria we use across HR and payroll. See the rubric →
a small or mid sized US employer that wants full service payroll with a dedicated specialist and room to add HR or a PEO.
you want flat, fully published pricing and a modern self serve interface, or you hire abroad.
What it costs
Base fee plus per employee, mostly quotedPricing as of June 2026. Paychex publishes only its entry Flex Essentials price, about $39 a month plus $5 per employee per month; the Flex Select and Flex Pro tiers and the PEO are quote based. Setup and per payroll run fees can apply. Check the vendor for current pricing.