Three situations account for most first conversations. Each one has a first rung.
You do not yet know what is wrong. Start with the free check, then commission an independent review of the installation that states the findings, the remediation options and the consultancy estimate against each, written for an executive audience.
Rungs 0 and 1You know what is wrong and need it written down. The procedure manuals, error catalogues, decision trees, line manager guides and control matrices that make a configured system operable.
Rung 2You need someone inside the team. A retained, embedded engagement, deliberately capped at typically one or two concurrent clients.
Rung 4