Do You Know Your Break-Even? Most Agency Owners Don't — And It's Costing Them
- Ellis Bennett

- Jun 23
- 4 min read
Let me ask you a quick question.
If you lost your biggest client tomorrow — how long could the business survive without winning a single piece of new work?
Most agency owners go quiet when I ask that. Not because the answer is bad. But because they've never done the calculation. They don't know their break-even. They just know things feel fine right now — and fine feels like enough, until it suddenly isn't.
I had a client last year. Solid agency, £380k turnover. A client reducing their retainer by 40% sent them into near-panic. Not because the business was broken — but because they had no idea how much runway they had. They were flying on feel, and when turbulence hit, they had no instruments.
We ran the numbers together. The business had far more headroom than they thought. But they'd spent three weeks in anxiety that the numbers would have prevented entirely.
That's what not knowing your break-even actually costs you.
"The agency owners who never panic about money aren't luckier. They just know their numbers."
The Formula: Break-Even in Two Numbers
Break-even is the point where your revenue exactly covers your costs — you make neither profit nor loss. Below it, you're losing money. Above it, you're generating profit. The gap between your actual revenue and your break-even is your safety margin.
The formula is simple:
Break-Even Revenue = Fixed Costs ÷ Gross Margin %
Two numbers. That's it. Here's how to find them.
Fixed costs — everything the business pays regardless of revenue. Salaries, rent, software, accountancy, insurance. Add them all up. That's your monthly fixed cost base.
Gross margin % — your gross profit divided by revenue, multiplied by 100. If you charge a client £5,000 and it costs £2,000 to deliver, your gross margin is 60%.
A Worked Example:
Monthly fixed costs | £15,000 |
Gross margin | 55% |
Break-even (£15,000 ÷ 0.55) | £27,273/mo |
Current monthly revenue | £35,000 |
Safety margin | £7,727 — 22% |
That £7,727 is what the business can afford to lose before it starts losing money. One client reducing their retainer, one slow month — and there's still room to breathe.
Now watch what happens when gross margin drops.
Why Margin Changes Everything
At 55% gross margin: Break-even: £27,273/mo. Safety margin on £35k revenue: £7,727. Healthy. One client leaving is manageable.
At 40% gross margin: Break-even: £37,500/mo. Same fixed costs. Same revenue. Safety margin: minus £2,500. You're already below break-even.
Same costs. Same revenue. Fifteen percentage points of margin — the difference between a healthy business and one that's losing money every month without knowing it.
This is why pricing and margin matter so much more than most agency owners realise. It's not just about profit. It's about resilience.
The Three Break-Even Numbers Every Agency Owner Should Know
1 — Monthly break-even.
What do you need to bring in every month to cover your costs? This is your base number. Know it.
2 — Client-loss break-even.
If your biggest client left tomorrow, what would break-even be as a percentage of remaining revenue? Is the business viable without them?
3 — Hiring break-even. If you bring on a new team member, what does break-even look like with their cost added? How much extra revenue do you need to justify it?
How to Calculate Your Safety Margin
Fixed costs ÷ gross margin % = break-even. Then:
(Revenue − Break-Even) ÷ Revenue × 100 = Safety Margin %
Safety Margin: | What It Means: |
Above 30% | Strong — resilient business |
20–30% | Healthy — watch costs and pricing |
Below 20% | Thin — limited room for error |
Below 0% | Urgent — you're below break-even right now |
Your Checklist:
Add up all fixed monthly costs — salaries, software, rent, accountancy, insurance, everything
Calculate your gross margin % — gross profit ÷ revenue × 100
Calculate your break-even — fixed costs ÷ gross margin %
Calculate your safety margin — how far above break-even are you?
Run the client-loss scenario — remove your biggest client. Where does it leave you?
If safety margin is below 20% — identify whether it's a pricing or a cost problem
Set a reminder to recalculate every quarter — especially after any hire or pricing change
Three Things to Do This Week:
1. Calculate your break-even today. Not next week. Today. It takes 15 minutes if your books are up to date. If it takes longer — your books need attention too.
2. Run the client-loss scenario. Take your biggest client off the revenue line. Recalculate. If the answer makes you uncomfortable — that's the most useful discomfort you'll feel this week.
3. If break-even feels too high, look at gross margin first, fixed costs second. Improving pricing across your retainers moves break-even faster than cutting costs in almost every case. Don't reach for redundancies before reviewing pricing.
Most agency owners won't do this calculation. They'll read this, nod, think "I should do that" — and not do it.
The ones who do it will spend the next month making better decisions than the ones who didn't.
Which one are you?
Want to work through your break-even together? Book a discovery call and we'll calculate your break-even, safety margin and client-loss scenario in real time. You'll leave knowing your number.
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