Principle · Chief Financial Officer

Profit First.

Source: Mike Michalowicz, Profit First: Transform Your Business from a Cash-Eating Monster to a Money-Making Machine (2014, revised 2017), Portfolio.

The Principle

The traditional accounting formula is Sales minus Expenses equals Profit. The Profit First formula flips it: Sales minus Profit equals Expenses. The order matters because human behavior expands to fill what is available. If profit is whatever is left at the end, it will rarely be there. If profit is taken first, off the top, the expenses adjust to fit.

The mechanics are simple. Set up a separate bank account labeled Profit. Every time revenue lands, transfer a fixed percentage to that account before paying any expense. The remaining balance is what the business has to operate within. Operating expenses, owner pay, and taxes each get their own accounts and percentages. The business runs on what remains after profit is taken.

This is not a finance trick. It is a behavioral system. Parkinson's Law says work expands to fill the time available. Spend behaves the same way. Money in a single operating account looks like all of it is available to spend, so all of it gets spent. Money in named accounts with a fixed allocation creates real constraints, and constraints produce discipline that no spreadsheet ever does on its own.

Why It Matters Here

The CFO's first job is to make sure the business is profitable, not just busy. Most founder-led businesses run profit-last by default: they pay vendors, payroll, software, and the founder's draw, then look at the bank balance and call whatever is left "profit." The Profit First mechanism converts profit from an afterthought into a fixed cost the business is forced to plan around. It is the simplest available way to make sure the business actually pays the owner and the company before it pays everyone else.

Signals (When to Apply)

The business is profitable on paper but the bank account is always close to zero
The founder has not taken a real distribution in months or years
Tax season produces surprise bills the business cannot pay
Every quarter ends with "we will fix the margin next quarter"
Revenue is growing but the owner's take-home is not

How to Apply

Set up five separate operating accounts: Income, Profit, Owner's Pay, Tax, Operating Expenses. Income is the only account that receives revenue. From there, money is allocated.
Set the initial allocation percentages based on revenue tier. Michalowicz's starting framework is roughly 5 percent profit, 50 percent owner pay, 15 percent tax, 30 percent OpEx for businesses under $250K. Adjust for size and industry.
Allocate on a fixed cadence (twice a month is the standard). Move the percentages from Income into the other four accounts. Do not skip an allocation because OpEx is tight. The constraint is the point.
Quarterly, take the profit distribution. Half to the owner. Half stays in the Profit account as a reserve. The owner-pay distribution is real money the founder spends. The profit distribution is a reward and a buffer.
If OpEx cannot cover the bills at the new allocation, do not raise the OpEx percentage. Cut expenses. The forcing function is doing its job.
Increase the profit percentage every quarter by half a point. The business adapts. Compounding the discipline matters more than the starting number.
Review the percentages annually. As revenue grows, the ratios shift. Owner pay percentage typically drops, profit percentage rises, OpEx percentage holds.

Examples

Applied well A consulting firm with $600K revenue runs Profit First with a 10 percent profit allocation, 40 percent owner pay, 15 percent tax, and 35 percent OpEx. Twice a month, every dollar of revenue gets routed by percentage. When the office manager wants to upgrade the project management tool from $200 to $400 per month, the OpEx account shows the spend will leave no room for the contractor invoice due Friday. The conversation moves from "can we afford it" to "what do we cut to afford it." The firm makes a real trade-off instead of putting the upgrade on a credit card. Quarter close: the owner takes a $15K profit distribution. Real money in the personal account. The business is forced to be profitable because profit was taken first.

Misapplied The same firm sets up the accounts but treats them as labels on a spreadsheet rather than physically separate accounts. When OpEx runs short, money quietly moves from Profit to OpEx. The mechanism becomes a thought experiment, not a constraint. By Q4, the Profit account is empty, the founder has not taken a distribution, and the OpEx line has crept to 50 percent. The business is back to running profit-last. The percentages were correct. The discipline was not enforced. The system fails the moment the constraint is allowed to flex.

When to Break It

During a known temporary period (a one-time large investment, a planned ramp, a seasonal trough) where the allocation will be restored on a date already on the calendar. Name the date out loud.
In the very early days of a business when revenue is too small and irregular for percentage allocation to be meaningful. Use the discipline of setting aside any profit at all, even if the percentages have to wait.
When a regulated cash requirement (covenant, escrow, deposit) takes precedence and forces an allocation that does not fit the model. Adapt the framework, do not abandon it.