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VAT for small business: what owner-operators actually need to know
VAT is a tax you collect on behalf of the government — it was never yours. Most spreadsheet errors I see are owners treating VAT-inclusive sales as revenue. Here's how it works, what to put in your P&L, and where the traps hide.
Ibrahim Ölmez
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02 Apr
March 2026: team handover at shift change, mobile keyboard fixes, and two new locales
A quieter release on the surface — but the three things we fixed this month came out of more support tickets than anything else in Q1.
Ibrahim Ölmez
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31 Mar
Salon tip pool norms across Europe: what shops actually do
Across European salons on nouz, 58,8% pool tips and split, 27,3% keep individual, 13,9% run a hybrid. The pooled-shops show 14,2% lower stylist turnover and a 2,1-point lift in net margin — but only when the split formula is written down and visible to everyone on the floor.
Ibrahim Ölmez
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26 Mar
How shipping costs quietly eat your e-commerce margin (and the threshold maths)
On a €40 average order, every €1 of unrecovered shipping is 2,5 percentage points of EBIT margin. The "free shipping over €50" promise is sometimes the most expensive marketing decision a small store makes. Here's how to model the threshold properly.
Ibrahim Ölmez
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24 Mar
Gross vs net revenue: the difference and why it determines whether your shop is profitable
Gross revenue is everything the customer paid. Net revenue is what stayed with your business after VAT, card fees and refunds came off. For a typical European shop the gap is 20-26% — and every margin, every menu price, every "is this product worth keeping" decision made on the gross number is silently wrong by exactly that gap.
Ibrahim Ölmez
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21 Mar
nouz first-week onboarding checklist: from sign-up to your first weekly P&L
A small-business P&L onboarding checklist is mostly about order: do the right things in the right week and the first weekly P&L makes sense. Below is the seven-day plan we walk new nouz customers through — 90 minutes of setup spread across the week, ending with a clean Sunday-evening report.
Ibrahim Ölmez
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19 Mar
The 90-day menu-engineering quadrant: stars, dogs, plowhorses, puzzles
Plot every menu item on two axes — popularity and contribution margin — and you get four quadrants that tell you exactly what to promote, kill, reprice or rebuild. Here's the 90-day routine, the quadrant maths, and how to read the chart in 30 seconds.
Ibrahim Ölmez
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13 Mar
Rent as a percent of revenue: where cafés actually sit across 11 European cities
The median European café spends 9,7% of net revenue on rent. Paris cafés sit at 13,8%; Lisbon at 6,2%. The rent ratio is the single biggest constraint on small-café profitability — and 11,5% is the threshold above which most cafés stop being able to absorb a bad month, based on cafés using nouz.
Ibrahim Ölmez
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12 Mar
COGS snapshot explained: why nouz freezes cost-of-goods at the moment of sale (and not later)
When you sell a croissant in nouz, the product's current cost is frozen onto that revenue entry forever. If flour gets more expensive next month and you update the croissant's cost, today's sales keep their old cost and tomorrow's sales pick up the new one. That's the snapshot. It's the only way to make COGS honest in a small shop where supplier prices move every few weeks and you don't run period-end inventory counts.
Ibrahim Ölmez
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12 Mar
Depreciation for non-accountants: why the espresso machine costs €80/month for five years, not €4,800 in January
You spent €4,800 on an espresso machine in January. Was January a €4,800 loss month, or did you just convert cash into a five-year asset? Depreciation is how accountants answer. The cash leaves once; the cost on paper leaves slowly — €80/month for sixty months. Get this wrong and every year after the purchase looks healthier than it is, right up until the asset breaks and you discover you never put money aside to replace it.
Ibrahim Ölmez
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07 Mar
Setting up your products in nouz: COGS, margin, the things to get right first
To set up a product with COGS correctly: enter the sale price the customer pays, then enter the unit cost to you (broken into ingredients if it's prepared on-site), and tag the category. Everything downstream — daily EBIT, weekly margin, statistics — runs off those two numbers. Here's the walkthrough.
Ibrahim Ölmez
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05 Mar
Service-line pricing for boutique salons: cuts, colour, blow-dries and the bundle
A boutique salon usually offers 12-20 distinct services across three stylist tiers. Pricing each one consistently — and pricing the bundle so it pulls — is the difference between a healthy 22% margin and a quiet 8% one. Here's the full service-line ladder.
Ibrahim Ölmez
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28 Feb
Staff cost as percent of revenue, by sector: the four-line benchmark
Across European owner-operator shops on nouz, staff cost ratios cluster by sector: cafés 32,1%, retail 19,4%, salons 41,7%, e-commerce 14,8%. Within each sector the top-bottom quartile spread is 7-11 points — a wider spread than rent, wider than COGS, and the single largest controllable lever in the P&L.
Ibrahim Ölmez
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26 Feb
Accrual vs cash accounting in plain English: which lens your small shop is actually using
Most owners use cash accounting without ever calling it that — you log the money when it hits the bank. Most accountants want accrual — log it when it's earned, not when it's paid. The difference shapes when you call yourself profitable, when you owe tax, and what your daily P&L is actually saying. This post explains both, shows how the same February looks under each lens, and is honest about which one nouz uses by default.
Ibrahim Ölmez
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18 Feb
Subscription pricing economics: when bag 3 is the only one that pays
A coffee subscription, a wine club, a soap-of-the-month — every recurring product runs on the same unit economics. The first bag usually loses money on acquisition. The second covers the cost to serve. Only the third onwards is profit. Here's the maths.
Ibrahim Ölmez
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14 Feb
The clean cash-and-card handover at shift change: a 5-minute walkthrough
A clean cash handover at shift change in a café needs three things: a mid-day Z-tape, a counted drawer with a written total, and a re-set float. Five minutes between the outgoing and incoming shift. The version below works for cafés with two daily shifts and prevents the "phantom discrepancy" that haunts month-end.
Ibrahim Ölmez
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10 Feb