Wave Payroll
- Integrated payroll processing with Wave accounting
- Automated tax calculation and filing
Best for: Small firm (2-10)
Compare 10 alternatives to OnPay for practice management
Last updated April 2026
Best for: Small firm (2-10)
Best for: Small firm (2-10)
Best for: Small firm (2-10)
| Tool | Rating | AI Level | Firm Size | Key Features | Integrations | Pricing | Setup |
|---|---|---|---|---|---|---|---|
| OnPay(current) | 4.6/5 | Traditional | Small firm (2-10) | Automated payroll tax calculations and filings, Workers' compensation insurance management | QuickBooks, Xero | From $40/mo | Light setup |
| Wave Payroll | 4.6/5 | Traditional | Small firm (2-10) | Integrated payroll processing with Wave accounting, Automated tax calculation and filing | Wave Accounting, Canadian Revenue Agency | From $40/mo | Light setup |
| Justworks | 4.6/5 | Traditional | Small firm (2-10) | Automated payroll processing with tax compliance, Multi-state benefits administration | QuickBooks, Xero | From $59/mo | Light setup |
| Run Powered by ADP | 4.6/5 | Traditional | Small firm (2-10) | Automated payroll tax calculations and filings, Direct deposit processing | QuickBooks, Xero | From $46/mo | Light setup |
| Patriot Payroll | 4.6/5 | Traditional | Small firm (2-10) | Full-service payroll processing with tax calculations, Automated tax filing and compliance | QuickBooks, Xero | From $17/mo | Light setup |
| TimeSolv | 4.5/5 | Traditional | Small firm (2-10) | Cloud-based time tracking with billable hour capture, LEDES billing format compliance | QuickBooks, Xero | From $28/mo | Light setup |
Payroll add-on for Wave accounting.
Wave Payroll runs payroll, calculates federal and state/provincial taxes, files those taxes automatically, and pushes direct deposits to employee...Read more →
vs OnPay: Strong integration ecosystem with Wave Accounting, Canadian Revenue Agency
PEO and payroll platform for small businesses.
Justworks is a Professional Employer Organization that co-employs your small business clients, handling payroll runs, federal and state tax filings,...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
Run Powered by ADP handles payroll, payroll tax calculations, filings, and year-end documents for small businesses. On a typical pay run, it...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
Patriot Payroll handles payroll processing and tax filing for businesses with straightforward payroll needs. On the basic plan at $17/month plus $4...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
Cloud-based time tracking and billing for accounting and legal professionals.
TimeSolv captures billable hours through a cloud timer, then pushes those entries directly into LEDES-formatted invoices — the billing standard...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
Mango Practice Management bundles time tracking, billing, project management, a client portal, and document storage into one platform aimed at solo...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
Aero Workflow runs the recurring task engine that replaces the spreadsheet most small accounting firms are still using to track 1040 deadlines,...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
Legal practice management with built-in accounting.
Clio runs the daily operations of a law firm: opening matters, tracking billable hours against those matters, generating legal invoices, and...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
AI-powered payroll and HR platform with automatic tax calculations
Gusto runs payroll for businesses with 1 to roughly 100 employees, handling federal, state, and local tax calculations, direct deposits, W-2 and 1099...Read more →
vs OnPay: More advanced AI capabilities (AI-enhanced vs Traditional)
PracticePanther is legal practice management software that handles matter tracking, time entry, trust accounting, invoicing, and client communication...Read more →
vs OnPay: Strong integration ecosystem with QuickBooks, Xero
We evaluate AI accounting tools across multiple dimensions: feature depth, pricing transparency, integration ecosystem, user ratings, and vendor stability. The alternatives listed here share the same primary category as OnPay and are actively maintained. Tools are ranked by user ratings and review volume. We update this page as new tools enter the market and existing ones evolve.