FundQuill
Audit, trace and stress-test confidential Excel financial models in your desktop browser. The workbook, its formulas and its numbers never leave your computer.
Audit, trace and stress-test confidential Excel financial models in your desktop browser. The workbook, its formulas and its numbers never leave your computer.
This page is designed to help you find out whether FundQuill is good and if it is the right choice for you.
Every model you open in FundQuill stays on your own computer. The audit, the tracing and every recalculation happen there, so the workbook, its formulas and its numbers are never sent to a server, and we never receive them.
For M&A advisors, VC and private equity associates, real estate analysts and fractional CFOs, that matters most on the model you cannot share: a pre-close LBO, a cap table or a pro forma under NDA.
The free tier needs no account. It opens any .xlsx, finds circular references and error cells such as #REF! and #DIV/0!, proposes fixes for some of them, traces any number to the cells behind it, and recomputes outputs as you change assumptions. Pro adds scenarios, stress tests, sensitivity and tornado tables, Monte Carlo simulation, 20 model templates and a signed report a recipient can check for free. Firm adds shared assumption libraries, audit trails and seat admin.
Runs in desktop Chrome or Edge, with nothing to install.
Listed in
Integrity audit
Finds circular references and error cells such as #REF!, #DIV/0! and #NAME? across the workbook.
Formula checks
Flags inconsistent formulas and hard-coded numbers sitting where a formula should be.
Suggested fixes
Proposes a fix for totals that accidentally include themselves.
Dependency map
Traces any number to the cells behind it and the cells that depend on it, including circular chains.
What-if recalculation
Change an assumption and watch the outputs recompute. Free, no account.
Scenarios and stress tests (Pro)
Build scenarios and stress-test the assumptions the model depends on.
Sensitivity and tornado tables (Pro)
See which inputs move the result most.
Monte Carlo simulation (Pro)
Simulate the model to see the range of outcomes, not just one answer.
Signed report (Pro)
Export a signed report that the recipient can check for free.
Model templates (Pro)
20 templates for M&A and private equity, venture capital, real estate and CFO work.
Shared assumption libraries (Firm)
Keep one set of assumptions the whole firm works from.
No upload
The workbook, its formulas and its numbers stay on your own computer and are never sent to a server.
Boutique M&A advisors, VC and private equity associates, real estate analysts, and fractional CFOs and finance consultants, typically in firms of one to fifty people. The common thread is that they check Excel models they are not allowed to put into a cloud tool: a pre-close LBO, a cap table, a development pro forma, a board model.
FundQuill never uploads your model. The audit, the formula tracing, the what-if recalculation and the Monte Carlo runs all happen on your own computer, inside the browser you already have. That is how the product is built, not a policy setting. There is no upload step to opt out of.
For a deal team, that removes the question of whether a pre-close model can go into a cloud tool at all. It also means the work you hand over can be checked: a Pro report is signed on your device, and the person who receives it can confirm, for free and without an account, that it has not been altered and which device signed it.
Against cloud spreadsheet and planning tools, your workbook simply never leaves your machine, so the confidentiality question does not come up.
Against the Excel add-ins for model auditing and simulation, there is nothing to install, which matters on a managed work laptop where adding software means an approval process. FundQuill also keeps the audit, the tracing, scenarios, sensitivity tables and Monte Carlo in one place, and its report can be checked by the recipient with a free tool, including an open-source checker that runs offline.
The free tier is a working auditor, not a trial: no account, no card, and no time limit.
FundQuill started from a narrow observation: the financial models that most need a second look are the ones that cannot be uploaded anywhere. A pre-close LBO or a cap table under NDA cannot go into a cloud spreadsheet or a chatbot, and many of the established checking tools are Excel add-ins, which a managed work laptop often will not let you install.
So we built a model auditor that runs in the browser but does all of its work on your own machine. It finds broken formulas and circular references, shows how every number is built, and recomputes the model under your own assumptions. Pro adds simulations and a signed report, so the review you hand over can be checked rather than taken on trust.
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Is FundQuill good? This is an informative page that will help you find out. Moreover, you can review and discuss FundQuill here. The primary details have been verified within the last quarter. So they could be considered up to date. If you think we are missing something, please use the means on this page to comment or suggest changes. All reviews and comments are highly encouranged and appreciated as they help everyone in the community to make an informed choice. Please always be kind and objective when evaluating a product and sharing your opinion.
