The IDGT Strategy: “Defective” by Design, Perfect for Wealth Transfer

Tax Tips / Advanced Planning

The IDGT Strategy: “Defective” by Design, Perfect for Wealth Transfer

By Team BMT Dec 22, 2025

💡 Executive Summary

  • Problem: Standard trusts pay high income taxes (37% kicks in at just ~$14k), eroding growth.
  • Solution: An IDGT is “defective” for income tax (you pay it) but “effective” for estate tax (it’s out).
  • Result: Assets grow tax-free for heirs, while your tax payments act as a “Tax-Free Gift.”
⚠️ THE “BURN” ADVANTAGE
Paying the trust’s income tax is not a penalty; it is the feature. It reduces your taxable estate (“Burn”) while allowing the trust to compound without tax drag (“Supercharge”).

In the world of UHNW (Tier L3+) planning, the goal is to disconnect income tax liability from asset ownership. The IDGT creates a legal fiction: you own the income (tax), but the trust owns the asset (equity).

🧐 Core Mechanic: Sale vs. Gift
Unlike a GRAT, you typically sell assets to an IDGT in exchange for a Promissory Note. Because the trust is “you” for income tax, there is Zero Capital Gains Tax on this sale (Rev. Rul. 85-13).

Performance Simulation

Trust Growth Scenario (15 Years)
Standard Trust (Pays Own Tax) Growth Dragged by Tax
$15M Net
IDGT (Grantor Pays Tax) “Supercharged” Growth
$25M Net

The “Sale to IDGT” Blueprint

Step Action Strategic Intent
1. Seed Gift Gift 10% Cash Establishes “Creditworthiness”
2. Sale Sell Asset for Note Freezes value at current price
3. Tax Burn Grantor pays Income Tax Phantom Gift (Tax-Free)
“The most powerful gift you can give your children is to pay their taxes for them. The IDGT makes this legally mandatory.”
BMT designs for tax reality, not theory.