
Every café owner we have ever worked with can name three line items where they are losing money. They are usually wrong about which three. The biggest leaks in a hospitality business almost always sit outside the items that get the most attention — coffee cost, rent, wages. They are smaller line by line, but they compound. Here are seven that we see drain margin month after month in cafés across Europe.
1. Wastage at the bar
Pulled and dumped shots, mis-steamed milk, over-poured filter, the cortado that goes back. A well-run café aims for shot wastage below 2%; many cafés sit at 5% or higher without realising. At 5% wastage on a typical 200-shot day, you are pouring around 10 espressos down the drain. Over a month that is 300 lost drinks. Track wastage for one week and you will know the size of your problem.
2. Milk over-pour
Every barista has a hand for milk. Some hands are calibrated, most are not. A typical café pours 5 to 15% more milk per drink than the drink actually contains, depending on jug technique. On a milk cost of €1.20 per litre and a 250 ml flat white, that is €0.018 to €0.045 of milk poured into the sink per drink. Sounds trivial; multiplied by 6,000 drinks a month it is €108 to €270 of margin lost.
3. Water filtration neglected
Limescale damages boilers, reduces extraction quality and accelerates seal degradation. A poorly maintained or absent water filtration setup costs you in two ways: in service callouts (typically €150 to €300 per intervention) and in reduced equipment lifespan. A €6,000 machine that should last twelve years lasting eight is a hidden €2,000 annual cost. Most cafés realise this only when the boiler goes.
4. Energy left running
The espresso machine that stays on for two hours before opening because «it takes ages to warm up». The grinder that runs idle. The lights on the back-of-house that are never turned off. None of these are dramatic individually. Combined, a typical café leaves €40 to €80 per month of energy on the table. Over a year, that is the cost of one or two staff training sessions you could have funded.
5. Inventory creep
Stock that gets bought «because we always have it», then sits in the cupboard. Syrups that go off. Single-origin bags that expire because volumes were over-ordered. The amount of cash tied up in slow-moving inventory in a typical specialty café is usually three to four times what the owner thinks. Cash tied up in inventory is cash not available for marketing, training or expansion.
6. Subscription bloat
POS subscription, accounting software, scheduling app, loyalty platform, music licence, social media tool, design subscription, delivery aggregator commissions. Most cafés are paying for one or two services they no longer actively use. An audit of every recurring charge once a quarter typically recovers €50 to €150 a month.
7. Card transaction fees
Card fees are not negotiable in the sense that you cannot make them zero. They are highly negotiable in the sense that the rate you signed for two years ago is almost certainly not what you would pay if you opened a new account today. Card processing competition has moved sharply in your favour since 2024. A café doing €20,000 a month in card payments paying 1.5% pays €300 in fees; the same business can often negotiate down to 1.0%, saving €100 a month.
How to audit your own café
These seven cost categories share a common feature: none of them are dramatic on a single day. The temptation is to defer the work because each one looks small. The collective impact across all seven, in a typical specialty café, is between 3% and 7% of monthly revenue — which for a café running on a 10 to 15% net margin is half your profit.
The audit itself is a two-evening job:
One evening: pull twelve months of bank statements and credit card statements. List every recurring charge. Cancel anything not actively used.
Second evening: spend a service watching the bar with a notepad. Count dumped shots. Watch milk pours. Note the times equipment is on before the first sale of the day.
These two evenings have, in our experience, paid back themselves within four weeks for almost every café we have worked with.
What’s next
We help hospitality businesses with the full operational stack — equipment renting and maintenance, profitability audits, supply optimisation, training and centralised purchasing. If any of the seven costs above resonate with what is happening in your café, the next step is a conversation. We can run a proper audit on your operation and report back where the money is leaking.
Book a profitability audit. Get in touch with the Good Cherry team.

