Finally understand your taxes.

Every number traced to its source. Checked by a real CPA. Click any figure.

Form 1040 · click any number to open its working paper

Form 1040

U.S. Individual Income Tax Return

Department of the Treasury · Internal Revenue Service

OMB No. 1545-0074 2025

Return lineAmount

This sample Form 1040 is interactive — turn on JavaScript to click any figure and follow it to its source. Every number on a real return is traced the same way.

Click any amount to open its working paper — only one opens at a time.

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A real CPA, every return

A real CPA on every return — and a call every quarter.

$250/mo per corp. Personal filing included. $299 to incorporate a new one.

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Incorporate a new company

$299one-time

State filing + EIN
Running in days
One flat charge

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Per corporation

Books, returns & a CPA

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Personal filing included

Books kept monthly
Business return, prepared + reviewed
Personal 1040 included
Quarterly call

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A stack of corps

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Many corps? Same flat per-corp rate, sized to you.

Every plan includes

Books kept monthly
Business & personal returns
A licensed CPA on every return
Every number sourced
A quarterly call
Sole prop through S corp, with K-1s
State returns where you owe
A private, encrypted account

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The hard stuff

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Thousands of trades. Perpetual futures. Staking, airdrops, NFTs, foreign accounts, K-1s three deep. The non-standard ones — handled.

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Foreign accounts & FBAR
Real estate & depreciation
Multi-entity K-1s
Carried interest & equity comp

Every position reconciled. Every number sourced. A real CPA signs off.