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Most restaurants do not close because of bad food. They close because the numbers stop working. Passion gets the doors open. Systems keep them open.
This guide covers the business functions that decide whether a restaurant makes money. Each one affects margin, and margin is what pays you.
Know Your Costs Before You Open
Prime cost is the first figure to master. It adds food, drink and labour costs together. Divide it by net sales, excluding VAT. Gross figures hide the real picture. Most healthy restaurants keep prime cost between 60 and 65 percent. Above 70 percent, profit disappears fast.
Set a target for each line and review it weekly. Ranges vary by concept. Fine dining carries higher labour. Pizza carries lower food cost.
- Food cost: 28 to 32 percent of sales
- Labour: 28 to 33 percent
- Rent and rates: under 10 percent
- Net profit: 5 to 10 percent
Keep Financial Records Clean
Most UK restaurant companies report under FRS102. Smaller businesses often use Section 1A. Recent amendments touch revenue recognition and lease accounting. Brief your accountant early. Leases matter because premises are usually your largest fixed commitment.
Reconcile tills to bank deposits every day. Log card, cash and delivery platform payouts separately. Platform commissions can reach 30 percent, so track them as their own cost line. Close each day with a z-read and a variance note. Small gaps repeated daily point to training or process problems.
Cash flow needs its own forecast. Plan 13 weeks ahead. Cover wages, rent, suppliers, VAT and HMRC payments. Seasonality matters. January sales often drop sharply, so build that into the forecast. Hold at least eight weeks of operating costs in reserve.
Engineer the Menu for Margin
Every dish needs a costed recipe. Weigh portions. Include trim loss, garnish and cooking oil in plate cost. Recalculate when supplier prices move. A 5 percent rise in beef cost can erase the profit on a steak without anyone noticing.
Sort dishes by popularity and margin. Promote popular, high-margin items. Reprice or rework popular, low-margin ones. Remove dishes that sell little and earn little. Keep the menu short. Fewer items mean less waste and faster prep.
Schedule Labour to Demand
Build rotas from sales data, not habit. Check covers by hour for the past 12 weeks. Staff the peaks. Trim the quiet shifts. Track sales per labour hour and adjust the rota to hit your target. Overstaffing drains cash. Understaffing damages reviews.
Turnover is expensive. Replacing one team member costs weeks of lost productivity. Train properly. Cross-train stations. Document every procedure.
Control Stock and Suppliers
Count stock weekly. Compare usage against sales. The gap is waste, theft or portioning errors. Use two or three suppliers per category and negotiate terms. Order by par level, not by gut feel.
Rotate stock first in, first out. Date-label every container. Check delivery temperatures on arrival. Chilled food must be at 8 degrees Celsius or below. Frozen food should be at minus 18.
Plan Deliveries Carefully
Delivery adds revenue and complexity. Drivers, fuel, packaging and failed drops all cost money. Route optimization software groups orders by area and cuts mileage. Fewer miles mean hotter food and lower fuel spend.
Set a delivery radius based on travel time, not distance. Add a minimum order value to protect margin on small baskets. Track cost per order. If a postcode loses money, stop serving it.
Use Technology Wisely
Connect your POS to accounting and inventory. Automated data cuts manual entry errors and gives you daily margin visibility. Choose systems with open integrations so you can switch later.
Stay Compliant
Compliance protects your licence and your reputation. Allergens deserve special attention. Restaurants must provide information on the 14 listed allergens. The Food Standards Agency allergen guidance for food businesses explains the rules and the penalties. Mistakes can lead to improvement notices or prosecution.
Cover these basics before opening:
- Register with your local authority 28 days before trading
- Keep a documented food safety system based on HACCP
- Train every team member on allergens and hygiene
- Hold the right premises and alcohol licences
- Keep temperature and cleaning logs
Monitor Performance Every Month
Set clear key performance indicators (KPIs) to measure progress. Track average spend per customer, table turnover, booking conversion and customer retention. Compare results month by month to identify patterns before they affect profits. Review customer feedback across booking platforms and social media.
Repeated complaints about waiting times, portion sizes or service quality often reveal operational weaknesses. Use these insights to make practical changes. Set monthly targets for revenue, waste reduction and customer satisfaction. Share results with managers and supervisors so everyone understands their responsibilities. Regular performance reviews help restaurant owners make informed decisions instead of relying on assumptions.
Run It Like a Business
A restaurant is a manufacturer, a retailer and a service provider under one roof. Run it with data. Review costs weekly. Forecast cash monthly. Audit compliance often. Do that consistently and the food gets the chance to shine.
