⚙ Free Tool for Business Owners
How does the OBBBA
change your taxes?
The One Big Beautiful Bill Act made some major business tax provisions permanent — and added a few new wrinkles. Run our 2-minute calculator to see exactly which provisions affect you and how much you could save.
Run the Calculator ↓in tax cuts and changes signed into law on July 4, 2025.
provisions that directly affect S-corps, LLCs, and sole props.
is when most rules kick in. Plan now or pay later.
The OBBBA Tax Impact Calculator
See your potential 2026 tax savings in 2 minutes.
Answer a few quick questions about your business and we'll show you which OBBBA provisions affect you, with estimated dollar impact for each. Then we'll send your personalized results to your inbox.
- QBI deduction (Section 199A) — now permanent
- 100% bonus depreciation — restored for 2026
- SALT cap relief — from $10K → $40K
- R&D expensing — made permanent
- Plus tips, overtime, and car loan interest if you have employees
Email required at the end to receive your results. By subscribing you'll also get our free Business Edition newsletter every Thursday — easy to bail anytime.
The Calculator
Tell us about your business.
All inputs stay in your browser. Nothing is sent until you submit.
A few quick questions
Answer these so we can tailor your breakdown. Takes about 30 seconds.
Why TaxStache
Built by tax pros.
Written for humans.
The Business Edition exists because we kept watching small business owners overpay — not because they were careless, but because nobody ever explained the strategy in plain English. Generic "tax tips" articles aren't enough. You need real, specific guidance for how your business actually works.
So we built it. Every issue is researched and reviewed by credentialed tax pros, written in a voice that doesn't put you to sleep, and designed around the way business owners actually think about money — quarterly cycles, deduction stacking, audit avoidance, year-end moves.
Earn it. Keep it.
Two minutes, real dollar estimates for your situation. We'll send your personalized OBBBA breakdown to your inbox along with a free subscription to The Business Edition.
Free as a meme. Easy to bail anytime.