Model Audit
It's fairly safe to assume every spreadsheet has an error. We help find and correct them before your working group does. Not only can we find and help you correct errors in your model, we also back our work with an insurance contract that pays up to $5MM for damages caused by errors we didn't find. Talk about certainty...
Model audits are usually required by government agencies accepting bids for large infrastructure projects.
Model audits are also used by buyers in the energy and infrastructure M&A market.
Model audits make sense for deals where complexity is high and time is short.
Want to get an idea of how pricing works? Download this NDA and email us.
Not ready to send us your model but still want to see about pricing?
Download this model audit pricing tool and send us the results. Orbis will respond within 24 hours.
Financial modeling errors can cost billions
Avoid costly mistakes like these:
“ SolarCity Adviser Lazard Made Mistake in Tesla Deal Analysis ”
Reuters , 2016
“ Spreadsheet Blunders Costing Business Billions ”
CNBC, 2013
“ Stupid Errors in Spreadsheets Could Lead to Britain’s Next Corporate Disaster ”
The Telegraph, 2015
Model audits are rough. Reading about them doesn't have to be...
Model Audit in the Time of AI
April 20, 2026
As AI accelerates model creation, rigorous model audit becomes even more critical—not less—to ensure reliability, governance, and trust in increasingly complex, opaque financial models.
Model audit
April 2, 2026
Construction finance is complex, and small decisions can have big impacts. Better modeling brings clarity to these trade-offs and guides smarter choices. With the right tools, teams can move faster, reduce risk, and improve outcomes.
Model audit in the desert
April 22, 2026
Model audit should strictly validate model mechanics—not inputs—and combining model creation, validation, and input endorsement (as alleged in NEOM’s case with McKinsey & Company) creates clear conflicts of interest that can lead to flawed outcomes.
