How would you structure a conversion rate audit of our entire marketing department?

"I can assure you that my process of conversion rate auditing is sufficient to audit an entire marketing department. I'd start by researching and building an inventory of your marketing assets. Then, I'd identify KPIs for each of the assets and ensure that the KPI is being tracked. Then, I'd use industry benchmarks to determine which, if any of the assets are obviously underperforming. I'd start testing with the most obvious candidates and use what we learn to inform our tests going forward."