Who's Behind Ironclad

Built by an operator who
underwrites his own deals.

Ironclad isn't a template a developer dreamed up. It's the underwriting system Dr. Jason L. Williams built from 20+ years of buying, underwriting, and stress-testing real estate — codified so other investors can underwrite with the same discipline.

Dr. Jason L. Williams, founder of Ironclad Underwriting
Dr. Jason L. Williams Founder · Active Sponsor & Underwriter
The Story

From the deal table to the engine.

I'm Jason — an active sponsor, underwriter, and host of the Ironclad Underwriting Podcast. I help real estate investors master underwriting to mitigate risk and maximize profit.

After spending over 20 years investing in real estate and underwriting hundreds of millions of dollars in transactions, I kept running into the same problem: most investors underwrite on gut feel and fragile spreadsheets — and only discover the broken assumption after they've committed capital.

So I built Ironclad to fix that. It's the same methodology I use on my own deals — reconciled income, stress-tested debt, a clean capital stack, and a disciplined look at the downside — turned into software any serious investor can run. Better decisions come from disciplined analysis, not optimism.

Track Record

Two decades of deals, not theory.

Every framework in Ironclad was forged on real transactions — bought, underwritten, and pressure-tested in live markets.

20+
Years Investing
$100M+
In Deals Underwritten
100+
Deals Analyzed
Ph.D.
Active Sponsor & Underwriter
How I Underwrite

The principles built into the platform.

Reconcile, don't assume

Income starts from the rent roll and T-12 — reconciled, not pasted from a broker's pro forma.

Stress the downside first

The question isn't whether a deal works in the base case. It's where it breaks — and how much room you have before it does.

Build it to defend

Assumptions you can explain to a lender or an investment committee — because eventually you'll have to.

Underwrite with discipline

Run the same engine I run on my deals.

Start free during open beta — or hand me your deal and I'll underwrite it with you.