Ask a company what their recurring revenue is and you'll get a number in about four seconds.
Ask what it should be by December and watch what happens.
Not what they hope it'll be. Not the board number. What it should be, given the customers already in the building and where each of them is in their own progress.
Almost nobody can answer that, and the reason is that they're carrying one number where they need three.
The three
What's arriving. New customers in the pipeline. Everyone tracks this and most of them value it wrong, which is its own argument.
What you're holding. Revenue Under Management. The recurring revenue you're responsible for delivering against right now, whoever owns it, however the book is split. A snapshot.
What you're leaving. Latent revenue. What that same book is ready to buy and hasn't, because nobody moved them there or nobody asked.
And then the sentence that makes them one system rather than three reports:
Revenue Under Management should grow by latent revenue, plus whatever new business brings in.
That's the whole model. Everything else is bookkeeping.
Why the middle number lies on its own
A book that holds flat produces a clean RUM number. Nothing shrank. Nobody schedules a meeting about it.
Sitting inside that flat number is every customer who reached a milestone and was never asked, every account that would have said yes to something nobody named, and every expansion that didn't happen because nothing in the company was built to notice it was available.
RUM is silent on all of it. Shrinkage shows up. Contraction shows up. Revenue you could have collected and didn't shows up as nothing at all.
Which makes RUM on its own a retention metric wearing a growth name. And retention is a ceiling: gross revenue retention can't exceed 100%, so a perfectly defended book is a flat book.
Latent revenue isn't a wish
This is where it stops resembling a sales pipeline, and it's the reason the three numbers belong in one view.
A new-business forecast is a target somebody picked, divided backwards through a funnel until the arithmetic clears, with a quota on top to make it happen at all. It's a budget with steps.
Latent revenue is built the other way round. It says: this book will grow by this amount if we move these specific customers from where they are to the point where the next thing becomes useful. The customer is known. Delivery is proven or it isn't. The trigger is a real event in their business.
None of that is assumed.
And the conversion isn't a guess either. An offer that was named early, tied to a condition, and left alone until the customer got there converts at a rate a cold expansion push never sees. They were told it was coming. They know what earns it. They've had time to want it and to budget for it.
So latent revenue isn't what might happen. It's what will happen if the work gets done, and the only reason it stays latent is that nobody did the work.
The precondition nobody puts in the revenue conversation
You can't expand a customer you can't serve.
Bring in ten customers with the capacity to properly deliver to two, and eight get some degraded version of what they bought. Enough of them leave. And none of them expand, because a customer who hasn't gotten what they already paid for is not a candidate for anything else.
Which means forecasting arrivals isn't only a revenue exercise. It's how you know whether the delivery side can absorb them, and delivery is what the other two numbers are standing on.
What changes when you run all three
The flat book stops being invisible. Somebody has to explain the gap between what RUM is and what it should have been, which is the first time in most companies that missed expansion has a shape anybody can point at.
Nobody ever got fired for losing out on revenue they never knew was there. Three numbers is how it stops being revenue nobody knew was there.
Lincoln Murphy formally named and popularized Customer Success starting in 2010 and has spent 15 years connecting it to expansion revenue and commercial outcomes. Read The Premise.