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Business-Entity Decision Helper — Compare LLC, S-Corp, Sole Proprietorship & C-Corp (Excel & Google Sheets)

Compare LLC, S-Corp, sole proprietorship & C-Corp with a weighted scorecard and a self-employment-tax estimator — find your best-fit structure.

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What you'll love

  • Score all four structures — sole prop, LLC, an S-Corp election & C-Corp — weighted your way, so the best overall fit rises to the top
  • A built-in Tax & Cost Estimator turns your expected profit into an illustrative self-employment / payroll tax estimate — and shows what an S-Corp could save
  • A curated Entity Facts reference lays the four structures side by side on liability, taxation, setup, filings, ownership & payroll
  • See your best-fit structure next to your lowest-cost one, with the gap named as an illustrative dollar figure
  • One owned file — Excel, Google Sheets & LibreOffice, no login, no subscription

Choose your business structure with a clear head, not a sales pitch

Deciding how to structure your business — sole proprietorship, LLC, an S-Corp election, or a C-Corporation — is one of the first big decisions you make as an owner, and one of the most confusing. Many “free” guides online are really a formation service’s funnel, nudging you toward the option that earns them a fee. The Business-Entity Decision Helper does the opposite: it gets the trade-offs out of the sales pitch and onto one page, so you can score the choice instead of agonizing over it.

It’s a weighted decision scorecard built as a workbook you own. You set a weight for each thing that matters to you — tax treatment, liability protection, setup cost, ongoing admin, ownership flexibility, and more — then rate each of the four structures from 1 to 5. The workbook returns a single weighted score per structure and ranks them, so the best overall fit rises to the top instead of whichever one you were talked into.

Put a dollar figure on the S-Corp question

The one question everyone guesses at is tax — usually as a vague “an S-Corp saves me money” with no idea whether that’s true at their profit. The built-in Tax & Cost Estimator replaces the guess with a number. Enter your expected annual net profit and, for the S-Corp, the reasonable salary you’d pay yourself, and the tab estimates each structure’s self-employment or payroll tax — the tax that entity choice most directly changes for the pass-through structures — adds an illustrative annual admin cost, and shows what an S-Corp election would save you, and how much of that saving the extra payroll and paperwork eat back. You make the S-Corp call on your numbers, not a rule of thumb you heard secondhand.

The estimate is deliberately simplified: it models self-employment / payroll tax only — not income tax, the QBI deduction, or state taxes, and it leaves the C-Corp’s corporate and dividend tax out entirely (so the C-Corp isn’t part of the cost comparison). It’s a planning estimate to ground your rating and your CPA conversation — not tax advice.

Understand the four structures at a glance

The curated Entity Facts tab lays sole proprietorship, LLC, S-Corp, and C-Corporation side by side in plain English — the liability shield, how each is taxed, whether self-employment tax hits all profit or just a salary, what it takes to form, the annual filings, how many owners it allows, whether it can issue stock, and whether it requires payroll. It turns “LLC versus S-Corp” from a vague debate into a concrete comparison.

Score, rank, and confirm your choice

  • Compare all four structures side by side on the criteria you choose and weight.
  • Rank them automatically by a weighted score on a clean 1–5 scale.
  • Estimate the tax with the Tax & Cost Estimator, so the S-Corp question is grounded in real dollars.
  • See the price of fit — the Results tab shows your best-fit structure next to your lowest-cost one and names the gap as an illustrative dollar figure.
  • Walk into your CPA meeting prepared — with the trade-offs mapped and a sharp question, not a blank page.
  • Revisit as you grow — score it again when profit rises or you take on partners.

What’s inside

A 7-tab workbook (.xlsx) plus three PDF guides:

  • Decision Scorecard — set a weight per criterion, rate each structure 1–5; the weighted score and ranking fill in automatically.
  • Tax & Cost Estimator — your expected profit folded into an illustrative self-employment / payroll tax figure and annual cost per structure.
  • Entity Facts — the four structures compared on liability, taxation, setup, filings, ownership, and payroll.
  • Results & Ranking — structures ranked by score, with the best-fit/lowest-cost gap named as an illustrative dollar figure.
  • How to Score — the 1–5 scale, the eight criteria, and how to set your weights.
  • Notes & Next Steps — your open questions, your final choice, and the reasons behind it.
  • Read Me — how the tabs fit together, and where to start.
  • Three PDF guides — a Start Here guide, a Structure & Scoring guide with a worked example, and a Setup & Next-Steps checklist with a printable scorecard.

Works in Excel, Google Sheets, and LibreOffice

Use the .xlsx in Microsoft Excel or LibreOffice Calc, or open the included one-click link and choose Make a copy for a ready-made native Google Sheets version in your own Drive — no importing, nothing to set up. It comes pre-loaded with illustrative ratings for a typical owner-run business so you can see the method working before you tune it to yourself.

Try it free first

Want to feel the method before you buy? The free Business-Entity Web Scorer weighs two structures across the five core criteria — tax, liability, setup cost, ongoing admin, and ownership flexibility — right in your browser, no sign-up. The full workbook expands those five into eight criteria, adds all four structures side by side, the Tax & Cost Estimator, and a file you keep.

Own it, don’t rent it

This sits between a blank spreadsheet (free, but you build everything) and a formation service’s upsell funnel (pushing the option that earns them a fee). It’s the structure you keep: a connected, owned workbook for a decision worth getting right — and you can reuse it as the business grows and the right structure changes.

Who it’s for

New business owners deciding how to register before they open — freelancers, consultants, makers, and contractors going full-time. Established sole proprietors and LLC owners wondering whether it’s time to form an entity or elect S-Corp treatment as profit grows. Anyone drowning in conflicting online advice who wants a neutral, structured way to compare the options against their own priorities.


A decision-making and planning template — not legal, tax, or financial advice, and it creates no professional relationship. The four structures are described in general terms and the estimator’s figures are illustrative; rules, fees, and tax treatment vary by state and change over time. A weighted score is a tool for thinking, not a verdict: it’s there to organize the trade-offs and sharpen the question you bring to a CPA or attorney, who can confirm the choice for your situation. The decision, and the responsibility for it, stay yours.

See it in action

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Built to last

  • Intuitive and straightforward design
  • Employs software best practices
  • Delivered as one spreadsheet that works in Microsoft Excel, Google Sheets, and LibreOffice Calc
  • Free updates — send us a message to be notified of updates when they are available
  • Completely customizable — add rows and columns, rename headings, and adjust formulas

In the download

This digital product is delivered as a zip file containing the following items:

  • 7-tab workbook (.xlsx): Decision Scorecard, Tax & Cost Estimator, Entity Facts, Results & Ranking, How to Score, Notes & Next Steps, and a Read Me
  • One-click Google Sheets copy — a ready-made native version (no import needed)
  • Start Here guide (PDF)
  • Structure & Scoring guide with a worked example (PDF)
  • Setup & Next-Steps checklist with a printable scorecard (PDF)
  • Pre-loaded with illustrative ratings for a typical owner-run business that you adjust to your own situation

Compatibility & terms

Unless otherwise specified, this digital product is delivered as a spreadsheet (an .xlsx file) designed to work in Microsoft Excel, Google Sheets, and LibreOffice Calc . It is not guaranteed to work in any other application.

This digital product is copyrighted. It is intended for personal use only. It is strictly prohibited to reproduce, resell or share this product, in part or in full, with or without modifications. No refunds, exchanges, or cancellations. Given this is a digital product, no physical product will be delivered.

Why a workbook

Most tools force a choice between a blank spreadsheet you build from scratch and a monthly app that's overkill. Ardent Workshop is the rung in between — structure you own.

  1. Blank spreadsheet

    Free, but you build and maintain every formula, tab and layout yourself.

    • Free
    • Infinite setup
    • No structure
  2. You are here

    Ardent Workshop

    Owned, structured, connected workbooks — a one-time price, yours to keep.

    • One-time price
    • Structured & connected
    • Yours to own
  3. Generic SaaS app

    Powerful, but overkill, rented and locked-in — built for someone bigger than you.

    • Monthly rent
    • Overkill
    • Lock-in

Running an operation that's genuinely outgrown the file? Ardent Seller isn't the generic SaaS app this ladder warns about — it's maker-first software built by the same workshop: your data stays yours, you can start free or pay as you go with no subscription required, and it's sized for your operation, not someone bigger. The platform to graduate to when a spreadsheet honestly can't keep up.

Ready to start

Instant download · Free lifetime updates · Personal use license

$18.95 USD
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From the Guides

Hand-picked reading on how to actually use a tool like this.