MMaxx MitchellTax Software

EFIN enrollment under Maxx Mitchell

Your EFIN, our software, and support that scales with you.

Choose a yearly plan. Elite adds expanded office support, business resources, marketing and growth support, and additional partner programs.

Resources

$199

per year

For EFIN holders who want the software and a clear library of office resources.

  • Cloud tax software enrollment
  • Office setup guides
  • Partner platform resources
  • Ticket based support
Create Client Account Before Purchase

Professional

$349

per year

For established offices that want faster help during filing season.

  • Everything in Resources
  • Priority ticket handling
  • Preparer access setup help
  • Season readiness checklist
Create Client Account Before Purchase

Elite

$799

per year

For owners building a larger practice with more support behind them.

  • Expanded office support
  • Business resources
  • Marketing and growth support
  • Additional partner programs and opportunities
Create Client Account Before Purchase

Branded Tax Software

$1,289

branded option

Tax preparation software carrying your office name, for your own office's use.

  • Branded tax software setup
  • Your office or software name
  • Your approved colors and logo where available
  • Member portal, tickets, and document center
  • Office setup guidance

Billing details and the branding included will be confirmed with you before checkout.

Create Client Account Before Purchase

What you will need

  • Office name and contact details
  • Your EFIN and your IRS e file application acceptance letter
  • Number of members in your office
  • A government issued photo ID for the EFIN holder

Protect your EFIN

Monitor your e file activity and keep your application current. Official guidance, reviewed October 6, 2026: