by Trey Pruitt
Polyphony (1932) by Paul Klee, public domain via Wikimedia Commons.
"Subscription business planning" isn't a phrase you'll find in a textbook. It isn't a Gartner Magic Quadrant. There's no software category named after it. That's deliberate — it's a category I've defined to describe a specific way of working that didn't have a clean name in the existing landscape.
This piece exists because the name will be unfamiliar to most subscription CEOs the first time they hear it. Here's what it is, what it isn't, and why I think the distinction is worth making.
Subscription business planning is a way of running planning in a subscription business that connects three things most companies leave disconnected:
The cohort math underneath your revenue. Your customers acquired in 2024 don't behave like your customers acquired in 2022. Their retention curves are different, their expansion patterns are different, the cost to acquire them was different. Treating them as one homogeneous block — which most planning approaches do — washes out the signal that actually predicts where the business is going.
The spend-to-cash loop. Marketing spend creates customers. Customers create revenue over time. Revenue (eventually) becomes cash. Most subscription companies model one or two of these in isolation — a revenue forecast here, a hiring plan there, a board deck with the cash number sourced from somewhere. The output is a plan that doesn't reconcile to itself.
The decision rhythm of the people actually running the business. A plan that produces a beautiful three-statement model nobody opens between board meetings is a deliverable, not a planning system. The whole point is to be useful in the weeks between board meetings — when you're deciding whether to lean into a channel, whether you can afford the senior hire, whether the missed quarter is a blip or a trend.
The output isn't a forecast file. It's a working planning system, configured to your data, refreshed each cycle, with judgment applied where the math runs out — and decision-grade outputs that hold up under board scrutiny: marketing-spend payback, lifetime value, revenue retention, EBITDA, cash impact, runway, plan-vs-actuals.
It isn't fractional CFO work. A fractional CFO is responsible for the whole finance function — close, treasury, audit, banking, fundraising mechanics, contracts. Subscription business planning delivers none of that. What it delivers is planning at a depth most generalist fractional CFOs can't, on a proprietary cohort-driven platform they don't have. The two roles can coexist; they don't substitute.
It isn't an FP&A platform. Mosaic, Pigment, Cube, Anaplan — these are configurable tools that, properly implemented, give your team a place to build and maintain a plan. They're real software with real value. But the value depends entirely on the quality of the model that gets built inside them, and they're designed for in-house FP&A teams to do the building. Subscription business planning is the modeling work, productized — with a platform underneath designed specifically for subscription dynamics rather than general-purpose finance configuration.
It isn't generic strategic finance. "Strategic finance" as a category sits adjacent to FP&A and has come to mean "the part of finance that doesn't close the books." That's broader than what I do. Subscription business planning is specifically planning — driver models, scenario stacks, cohort sensitivity, cash projection — for businesses where recurring revenue, retention dynamics, and acquisition economics are the load-bearing parts of the model.
The names matter because they shape what you expect to get.
If you hire a fractional CFO, you expect them to own everything finance-y. They probably won't, because no one person can credibly own the whole finance stack at depth — so you end up with a generalist doing several things adequately.
If you implement an FP&A platform, you expect the software to solve the planning problem. It doesn't — it gives you a place to solve it, and the quality of the plan depends on who configures it and maintains it.
If you hire a subscription business planning engagement, you should expect: a cohort-driven model built specifically for your business, configured to your data and your decision rhythm, run each cycle with judgment applied, producing plan-vs-actuals and scenario work the board can rely on. Narrower scope, deeper work.
CEOs of $5M+ DTC, mobile app, or PLG SaaS businesses, where cohort dynamics are real enough to model. The $5M floor exists because below that, the data is usually too thin to do the cohort work justice. There's no ceiling.
The shape of the engagement: a discovery call to figure out whether this is the right fit, a paid two-week diagnostic to surface and quantify specific value levers in your business, then — if both sides want to keep going — a setup phase that builds the planning system, followed by a monthly retainer that runs it with you.
If you're a subscription CEO and you've read this far, the next step is a discovery call. Book one here and tell me what you're trying to plan against.
