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Tax Planner Pro
Model complex tax positions without uploading client financials.
Air-gapped from $4,999 / year
- Editions
- Solo · Firm · Site · Air-gapped
- Deployment
- Workstation · LAN · Air-gap
- License
- Perpetual; annual air-gap
- Data
- Stays on your machine
Why teams choose Tax Planner Pro.
Tax Planner Pro models multi-entity, multi-year scenarios with configurable federal, state and local rules. Compare structures side by side, stress-test assumptions and export workpapers with a complete calculation trail.
Client financials remain in an encrypted local workspace. Nothing is uploaded, and the model can be archived and reopened years later without depending on a vendor subscription.
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What it does well.
Five capabilities that matter in daily use, not a feature list written for a press release.
Scenario modeling
Compare entity structures, timings and elections side by side.
Entity comparison
Quantify the after-tax difference between S corp, partnership and C corp.
Configurable rule library
Versioned rule packs you can review and lock per engagement.
Audit-ready workpapers
Every figure traces back to an input and a calculation step.
Encrypted workspace
AES-256 local storage with per-engagement access controls.
Editions and pricing.
SSS editions are licensed per organization. Solo, Firm and Site are one-time purchases; Air-gapped is billed annually and includes offline updates. Founder's is exactly half of Solo and limited to the first 50 licenses.
USD · Taxes at checkout
| Edition | Best for | Price | Seats | Deployment | Updates | Support | Purchase |
|---|---|---|---|---|---|---|---|
| Solo Individual | One practitioner | $399 one-time | 1 seat | Single workstation | 12 months included | Email support | Buy |
| Firm Small team | Up to 5 people | $999 one-time | Up to 5 seats | Team / LAN install | 12 months included | Priority email | Buy |
| Site Organization | Multi-site teams | $1,999 one-time | Up to 25 seats | Site-wide deployment | 12 months included | Priority + onboarding | Buy |
| Air-gapped Isolated network | Classified environments | $4,999 per year | Unlimited seats | Offline activation | Included while subscribed | Dedicated engineer | Buy |
| Founder's 50% off · 50 only | First 50 buyers | $199.50 one-time | 1 seat | Single workstation | 12 months included | Email support | Buy |
Compliance note: Tax Planner Pro provides technical controls that support your compliance program. Regulatory certification and final compliance determinations remain the responsibility of your organization.
Does Tax Planner Pro require an internet connection?
How is the license delivered?
Can we deploy this across a team?
Own Tax Planner Pro forever.
One payment for a perpetual license. No subscription hiding in the fine print, no telemetry, no cloud dependency.
Secure checkout via Creem · Instant delivery