Small Business Retirement Plans.
Onyx Payroll helps you find the right 401(k) plan for your team — whether traditional, safe-harbor, or Solo(k) — while unlocking potential tax credits that benefit your bottom line.
Transparent
No surprises. Our competitive, cost-effective pricing means clear fees and nothing hidden.
Flexible
Seamlessly integrate payroll deferrals directly with your 401(k) plan and manage everything anytime, anywhere through our mobile app and online platform.
Payroll + HR
Best for growing teams that need support beyond payroll
$79.99
/month + $10 per employee
- Automated payroll with next-day direct deposit.
- Automated tax payments, filings, and new hire registrations.
- Dedicated employee portal for paystubs and tax forms.
- No long-term contracts—cancel anytime.
- Streamlined digital documentation for new hires.
- Full access to HR templates, policies, and regulatory resources.
- Enhanced priority support and HR-specific guidance.
Tax Payments & Filing
Get your federal, state, and local taxes filed and deposited with our Full-Service Plan.
Your federal, state and local payroll taxes are paid and filed for you. Plus, we’ll also handle your quarterly 941 and annual 940 tax returns, saving you time and helping you avoid costly IRS fines.
All federal, state, and local payroll tax deposits and filings are automatically included in the service. W-2s and 1099s are easily accessible online for you and your employees.
Automatic Payroll
Receive reminders before each payment and turn off payments at any time to ensure smooth operations.
Easy Access
Access and run payroll anytime, anywhere, from any smart device.
Direct Deposit
Ensure accurate and timely payments to your employees with our free direct deposit option.
In-Depth Reporting
Get in-depth, up-to-date reports on payroll, employees, benefits, and more—plus seamless integration with most accounting software for effortless tracking.