Payroll Software for Small Business: Full-Service vs. Self-Service, Features, and Cost

$46–$125/mo
all-in cost for full-service payroll software handling 1–10 employees with automatic tax deposits and filings: less than the penalty for a single late tax deposit
2%–15%
IRS penalty range for late payroll tax deposits: starting at 2% for deposits 1–5 days late and escalating to 15% for deposits more than 10 days after the IRS issues a first notice
Full-service only
is the right standard for small business payroll software: “full-service” means the software automatically deposits federal and state taxes and files all required returns. Anything less retains manual compliance risk
What Full-Service Payroll Software Must Do

The non-negotiable standard for small business payroll software is full-service tax compliance: the software automatically deposits federal and state payroll taxes on the IRS schedule, files Form 941 quarterly, files Form 940 annually, generates and distributes W-2s by January 31, and handles new hire state reporting. Any platform that requires the business owner to manually initiate tax deposits or file returns is a payroll calculator, not payroll software. And it retains the highest-risk parts of payroll compliance as owner responsibilities.

Beyond compliance, the practical evaluation criteria are: direct deposit included in the base plan (not as an add-on), integration with your accounting platform to eliminate manual journal entries, and support that can be reached by phone or chat when a payroll problem occurs on a Friday afternoon. Every other feature: time tracking, benefits administration, HR tools, advanced reporting: is genuinely secondary to those three.

Critical distinction: “full-service” vs. “self-service” payroll: most small businesses need full-serviceSelf-service payroll software calculates wages and withholdings and produces paystubs and records. But the owner manually initiates tax deposits via EFTPS and manually files quarterly and annual returns. Full-service payroll handles all of that automatically. For a business owner who is not a payroll professional, self-service is not actually a viable option: the deposit schedule alone requires tracking multiple federal and state deadlines that vary based on payroll frequency and tax liability. The cost difference between self-service and full-service is typically $20–$40/month. The penalty exposure of getting self-service wrong is multiples of that.

Full-Service Payroll Software: Annual Cost Comparison by Employee Count


Payroll Software ROI Calculator









Payroll Software Comparison: Full-Service Platforms for Small Business
Platform Best for Auto tax filing All-in cost (10 emp, est.) Key advantage
Gusto (Simple) 1–50 employees. Clean UI. Strong HR + payroll integration Yes: federal + all states ~$112/mo Best overall value. Cleanest employee self-service. Strong contractor 1099 support
QuickBooks Payroll (Core) Businesses already using QuickBooks Online for accounting Yes: federal + all states ~$130/mo Native QuickBooks sync eliminates journal entry reconciliation. Familiar interface
OnPay Cost-conscious businesses wanting full-service at flat pricing Yes: federal + all states ~$100/mo Flat per-employee pricing. No base fee for contractors. Strong multi-state support
RUN by ADP Businesses wanting enterprise-grade compliance with hands-on support Yes: federal + all states ~$150/mo (est.) Most strong compliance support. Dedicated payroll specialist available. Large integration ecosystem
Paychex Flex Businesses wanting one provider for payroll + HR + benefits Yes: federal + all states ~$200/mo (est.) Most comprehensive benefits administration. Dedicated support rep. Broad HR module
Wave Payroll Micro businesses (1–5 employees) on Wave accounting wanting lowest possible cost Yes in tax service states. Self-service in others ~$55–$75/mo Lowest cost full-service option. Wave accounting integration. Limited to smaller teams
“The question is never whether payroll software pays for itself: it does, reliably, within the first month for any business with 3+ employees. The question is which platform handles full-service tax compliance automatically so the owner never has to think about deposit schedules again.”
Selecting and Setting Up Payroll Software: 5 Steps
  1. Confirm “full-service” tax compliance is included at your plan level before evaluating anything else. Ask explicitly: does this plan automatically deposit federal and state taxes, file Form 941 quarterly, file Form 940 annually, prepare and send W-2s to employees, and handle new hire state reporting? These are not optional features: they are the baseline compliance requirements of having employees. If any of these are add-ons at your plan level, calculate the all-in cost with those add-ons included before comparing to other platforms.
  2. Match the software to your accounting platform as a hard requirement. If you use QuickBooks, QuickBooks Payroll is the most direct integration. But Gusto and OnPay also connect natively. If you use Xero, confirm Xero integration explicitly. A payroll platform that does not sync with your accounting software requires manual journal entry after every payroll run: a recurring cost that compounds over 26 bi-weekly runs per year and introduces reconciliation errors that waste accountant time at year-end.
  3. Register state employer accounts before you need them: not the week payroll is due. Payroll software cannot file state payroll taxes without state employer account numbers. These registrations: state income tax withholding account, state unemployment insurance account: can take 2–4 weeks depending on the state. Start the registration process the day you decide to hire your first employee. Every state has an online registration portal. Your software provider can guide you through the process. Waiting until payroll is due results in incomplete withholding and unfiled state taxes for the first several pay periods.
  4. Run a test payroll before processing the real first run. Before the first live payroll, run a test with one employee at their actual pay rate and deductions. Review the gross-to-net calculation, verify the tax withholding amounts match manual calculations, and confirm the direct deposit routing. Most platforms allow a test without actually sending money. This step catches setup errors: wrong pay frequency, incorrect state tax rate, missing deductions: before they affect a live paycheck and require a correction run.
  5. Set calendar reminders for payroll deadlines even when using full-service software. Full-service payroll software handles tax deposits and filings automatically. But it still requires the business owner to approve payroll before the processing deadline (typically 2–4 business days before payday). A payroll run not approved on time processes late, potentially missing the direct deposit window. Set a recurring calendar reminder for the payroll approval deadline for every pay period. One missed approval creates an employee pay delay that is disproportionately damaging to trust relative to the minutes it would have taken to prevent.
Tip: If you only have contractors (no W-2 employees), use Gusto’s contractor-only plan at $6/contractor/month: no base fee, full 1099-NEC filing includedGusto offers a contractor-only plan that handles contractor payments, 1099-NEC generation and e-filing, and contractor self-service for banking and tax information at $6 per contractor per month with zero base fee. There is no reason to pay for a full payroll subscription until you hire your first W-2 employee. Use the contractor plan until then, then upgrade: your setup data and contractor records carry over automatically.

Understanding the full payroll process before choosing your software?

Read: How to Do Payroll →

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SBM Editorial Team
An independent small business publication by the team at World Consulting Group.
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