Independent review
Independent review of documents, systems and decisions, by people with no stake in the answer being comfortable.
Reading what you have written as a hostile reader would, before one does.
Whether the process described is the process running.
A second opinion on a decision that is expensive to get wrong.
We publish these because most of the value in hiring anyone is knowing which mistakes are common, and that knowledge is not worth hiding.
Authors cannot see their own assumptions. That is not a character flaw, it is how reading works.
A review that has never returned an unfavourable finding is not a control, it is a signature.
Including when the answer is that you do not need what you came to ask for. Anyone who never says that is not giving you information, they are giving you an invoice.
Where something needs a legal opinion, a financial audit or a clinical judgement, we will say so and stop rather than improvise past the edge of what we do.
Tell us the situation rather than the service you think you need. We would rather start from your problem.