Financial Model Audit – Cell by Cell vs Shadow Modelling

Imagine a ‘Where’s Wally’ (or Waldo in the USA) picture, but rather than a few hundred people, you have many thousands. To make things worse, the variability of each individual person can be huge, and you don’t know what Wally is wearing! To make things worse again, there may be many Wallys, or none at […]
Financial Model Audit the Secrets of Pricing

Here’s a peek behind the curtain at how Gridlines goes about pricing for a financial model audit. Before providing a quote, we will typically request a call with the potential client to help us understand the following key factors that drive our pricing. To do this we have a baseline audit fee which we will […]
Killer Errors – Adding when you mean to subtract!

It still surprises me when we are completing a financial model audit, how often we encounter errors where rather than adding a number it is subtracted by mistake (or vice versa). Where you get a sign wrong, it’s especially bad news as it gives you twice the problem compared to missing it out completely. If […]
What is a model audit?

What is a Model Audit? In simple terms, a model audit is a review of a financial model, generally completed by an independent third party to help minimise the risk of error. Model audits are typically (but not exclusively) undertaken in relation to financial models which have been developed to support large transactions, where a […]
Financial Model Audit: What makes a good audit?

We are constantly striving to make our model audit service as good as it possibly can be. Here’s what we believe makes a great model audit experience: Finding the big errors This goes without saying, but the one thing that overshadows everything else is that you need to be confident that material errors will be […]
Financial Model Audit: Parallel Build vs Cell by Cell

One of the key differences in approach adopted by the various financial model audit firms is whether they follow a parallel build or a cell by cell approach. If you are engaging an auditor to review your model, it is a question you should ask. Cell by Cell This approach is what the name implies. […]
Model Audit 2.0 turns one this week. What have we learned?

Exactly one year ago Gridlines secured its first financial model audit mandate. As we now celebrate the one year anniversary of launching Model Audit 2.0, what have we achieved and what have we learned? Let’s start with the achievements: We have been appointed on over 20 audits with a transaction value in excess of 3Bn […]
Harder, Better, Faster

A Faster Audit? We set ourselves the challenge of looking at the financial model audit process to see how we can make it faster for our clients. For those of you un-familiar with the typical audit process, it usually goes something like this: Engage auditors around 1 month prior to bid / financial close Initial […]
The pain of being audited

Nobody likes to be scrutinized, and to have a financial model audited is a very public form of scrutiny. I have had my models audited many times, and it is not generally a fun experience. My rational brain tells me that it has to be done and that a thorough audit is a good thing, […]