ag-architect-auditor

To audit structural integrity in an Excel financial model, evaluate sheet role separation, cross-sheet dependency maps, and time axis consistency. This identifies architectural flaws like mixed input and calculation layers that cause silent errors during modifications.

Excel financial models break when extending forecast years due to hard-coded aggregation ranges, fixed-period logic, and date spine misalignments. These fragile architectures and condensed mega-formulas prevent easy model extension and produce incorrect results if modified manually.

To identify mega-formula modularity failures in Excel, check for condensed formulas that prevent step-by-step auditing and hard-coded aggregation boundaries. Structural reviews map these un-auditable black box formulas that hide errors and make modifications risky.

Yes, this Excel model audit checks for date spine misalignments across sheets by evaluating time axis consistency. It flags category ordering inconsistencies and date misalignments across model sheets that would produce incorrect results during extensions.

The best way to separate input, calculation, and output layers in financial models is through a structural review that maps cross-sheet dependencies and evaluates sheet role separation. This architectural audit ensures modularity and prevents mixed layers from causing silent errors.