You check your Profit and Loss statement and see a positive number at the bottom. You are technically profitable. However, you log into your business bank account and see that funds are dangerously low. This discrepancy causes anxiety for almost every founder at some stage.
The metric that explains this gap is Operating Cash Flow (OCF).
OCF is a measure of the amount of cash generated by a company’s normal business operations. It tells you exactly how much cash your product or service is generating before you account for outside investments, one time capital expenditures, or debt financing.
It is the rawest view of your business model’s ability to sustain itself.
The Engine of the Business
#Think of your startup as a machine. OCF measures the fuel produced by the machine itself while running.
If you raise a Series A round, your total cash balance goes up. If you take out a loan, your cash goes up. But neither of those are Operating Cash Flow. Those are financing activities.
OCF focuses strictly on:
- Cash received from customers
- Cash paid to suppliers and employees
- Cash paid for operating expenses like rent and utilities
For a startup to survive long term without constant fundraising, this number eventually needs to turn positive. It proves that for every dollar you put into operations, you are getting more than a dollar back.
OCF vs Net Income
#New entrepreneurs often confuse OCF with Net Income. They are rarely the same number.
Net Income uses accrual accounting. It includes revenue for invoices you have sent but have not yet collected. It also includes non-cash expenses like depreciation.
If you close a massive deal for $100,000 but the client has payment terms of 90 days, your Net Income looks great immediately. Your OCF does not change until that money hits the bank.
This distinction is where startups die.
You can be profitable on paper and go bankrupt because you ran out of operating cash while waiting for clients to pay.
Interpreting the Numbers
#There are two main ways to look at this metric in a startup environment.
Negative OCF
This is normal for early stage startups. It means you are spending more to operate than you are collecting. This is your burn. You cover this gap with investment capital or debt. The question you must ask is if the burn is resulting in growth that will eventually reverse the trend.
Positive OCF
This indicates financial health. You are generating enough cash to maintain operations. However, high OCF does not always mean you should relax. If you are hoarding cash rather than reinvesting it into growth, you might be stalling your potential market share.
Questions to Ask Yourself
#Calculating OCF is usually done by your accountant using the indirect method, starting with net income and adjusting for working capital changes. Once you have the number, you need to interrogate it.
Is your OCF negative because you are growing fast, or because your margins are too thin?
Are you technically profitable but cash poor because your collection cycles are too slow?
Does your business model actually generate cash, or does it only survive because of the last funding round?
Understanding OCF removes the mystery from your bank balance and gives you a clear picture of your operational reality.