Bookkeeping for Restaurants: COGS, Tips & Payroll

Restaurants run on some of the thinnest margins in small business — a healthy full-service spot might keep 3 to 5 cents of every dollar after everything is paid. When the profit is that thin, the difference between a good year and a bad one hides inside your bookkeeping: a food-cost percentage that drifted two points, a labor line that crept up on slow weeks, tips that were never reconciled to the POS, or sales tax that quietly wasn't set aside. This guide walks through how restaurant bookkeeping actually works — COGS and cost percentages, inventory, tips and tip payroll, the reports you should read every single week, and where owners most often lose money without seeing it.

Why restaurant bookkeeping is uniquely hard

Most small businesses do a handful of transactions a day. A restaurant does hundreds — split across cash, cards, gift cards, third-party delivery apps, and house accounts — and it does them at speed, at night, and often through staff who are focused on service, not accounting. Layer on perishable inventory that spoils, a labor force paid partly in tips, vendor deliveries several times a week, and sales tax collected on every ticket, and you have a business that generates more bookkeeping complexity in a month than many companies see in a year.

Four things make it genuinely different from ordinary small-business books:

• Volume and speed. Hundreds of daily tickets flow through a point-of-sale (POS) system that has to be reconciled to what actually landed in the bank — after processor fees, delivery-app commissions, and tip payouts are stripped out.
• Perishable COGS. Your biggest cost after labor is food and beverage that loses value by the day. Waste, over-portioning, and theft show up as a rising cost percentage, not as a line item anyone books on purpose.
• Tipped labor. Tips create wage, payroll-tax, and reporting obligations that a normal payroll never touches — and getting them wrong is both a tax problem and a labor-law problem.
• Thin margins that punish sloppiness. A retailer with a 40% margin can absorb a bookkeeping error. A restaurant living on a 4% margin cannot. Small percentage drifts eat the entire profit.

Because of all this, restaurant books are best kept on the accrual basis, where the cost of the food you sold lands in the same period as the sale that produced it. Cash-basis books — where you record food cost when you pay the vendor rather than when you sell the dish — hide your real margins and make month-to-month comparison almost meaningless.

Prime cost: the one number that runs the restaurant

If you learn one metric from this article, make it prime cost. Prime cost is your total cost of goods sold (food + beverage) plus your total labor (wages, salaries, payroll taxes, and benefits). Expressed as a percentage of sales, it is the single best measure of whether a restaurant is fundamentally healthy, because these two categories are your largest controllable costs and the ones most exposed to daily decisions.

The widely used industry rule of thumb: keep prime cost at or below roughly 60% of total sales for a full-service restaurant, and closer to 55% for many quick-service concepts. Rent, utilities, insurance, and everything else has to fit into the remaining 40%, and profit is whatever survives after that. When prime cost climbs to 65% or 70%, there is usually no profit left — the restaurant is working hard to break even.

Prime cost is powerful precisely because it combines the two numbers owners tend to watch separately. You can have a beautiful food cost and still lose money because you overstaffed; you can run lean on labor and still lose money because portions are too generous. Prime cost catches both. The catch is that you can only calculate it reliably if your books split food, beverage, and labor cleanly — which is where a purpose-built chart of accounts matters.

Cost of goods sold and food-cost percentage

In a restaurant, COGS is the actual cost of the food and beverage you sold during the period — not what you purchased and not what's still sitting in the walk-in. The formula every operator should have memorized:

COGS = Beginning Inventory + Purchases − Ending Inventory

Beginning inventory is what you counted at the start of the period. Purchases are everything you bought from vendors during it. Ending inventory is what you counted at the end. The difference is what you actually consumed and sold. Skipping the inventory counts and just booking purchases as COGS is the single most common restaurant bookkeeping error — it means your "food cost" is really your "food purchases," and the two can differ by thousands of dollars in any month where you stocked up or drew down.

Once you have COGS, the percentage is simple:

Food-cost % = Food COGS ÷ Food Sales

Most full-service restaurants target a food cost in the 28% to 35% range, though it varies widely by concept — a steakhouse pouring expensive proteins may run higher, a pizza or pasta concept much lower. The number itself matters less than the trend. If your food cost was 30% in the spring and it's 34% now with the same menu and prices, something changed: vendor prices rose, portions grew, waste increased, or product is walking out the back door. Bookkeeping that reports food cost monthly (ideally weekly) is what makes that drift visible while you can still act on it.

Track beverage separately. Liquor, beer, and wine have very different cost structures from food — a well-run bar program often runs a beverage cost around 18% to 24% — and blending them into one "COGS" line hides both. Separating food sales, beverage sales, food COGS, and beverage COGS on the profit & loss is the foundation everything else depends on.

Inventory and vendor management

Inventory is where the theoretical food cost (what your recipes say you should have used) meets the actual food cost (what your counts say you did use). The gap between them is variance, and variance is money — spoilage, over-portioning, comps that weren't rung in, breakage, and theft all live there.

A workable inventory rhythm for most independent restaurants:

• Count on a fixed schedule. Weekly or biweekly counts of high-value, high-movement items (proteins, liquor, seafood) catch problems fast; a full count at month-end anchors the books. The key is consistency — count the same way, at the same time, so the numbers are comparable.
• Match invoices to deliveries. Vendors make mistakes and prices change. Checking each delivery against the invoice — right quantity, right price — is where you catch a supplier who quietly raised your ground-beef price 12%.
• Enter vendor bills as accounts payable. Recording bills when they arrive (not when you pay them) keeps your accrual COGS accurate and gives you a real picture of what you owe. It also lets you catch duplicate billings and take early-pay discounts.
• Watch price trends. Because so many purchases repeat weekly, restaurant books are a goldmine for spotting cost creep. A bookkeeper who codes purchases consistently can show you that your produce cost per cover rose 8% over a quarter — a menu-price or vendor conversation you'd otherwise miss.

Well-organized vendor records also make the rest of the back office easier: cleaner monthly bookkeeping, faster month-end close, and a simpler tax season because 1099-eligible vendors are already tracked.

Daily sales reporting and POS-to-books reconciliation

Restaurant-specific platforms like Restaurant365 automate much of this — and we keep the books inside them. The backbone of restaurant bookkeeping is the daily sales report (DSR) — a single daily entry that captures everything the POS recorded: gross sales by category (food, beverage, other), comps and discounts, sales tax collected, tips, and the breakdown of how guests paid (cash, each card type, gift cards, delivery apps). Done right, the DSR becomes the bridge between your operations and your accounting.

The reason it matters is that the money the POS says you made is never the money that lands in your bank account. Between the two sit:

• Credit-card processing fees — typically 2% to 3% of card volume, deducted before deposit.
• Third-party delivery commissions — apps often keep 15% to 30% of the ticket, and they remit on their own schedule, net of fees. These deposits must be grossed up so you record the full sale and the full commission expense, not just the leftover.
• Tips paid out in cash at the end of a shift, which reduce the cash you actually deposit.
• Timing gaps — a Friday-night card batch may not hit the bank until Monday or Tuesday.

Reconciling POS to bank means proving that every dollar the POS reported is accounted for — as a deposit, a fee, a commission, a tip payout, or cash on hand. When that reconciliation is skipped, sales get understated (because only net deposits get recorded), fees disappear into the sales figure, and the P&L becomes fiction. This is the most labor-intensive part of restaurant bookkeeping and the part most worth handing to a professional. A clean bank reconciliation every month is what keeps the whole system honest.

Labor cost and payroll

Labor is the other half of prime cost, and in most restaurants it runs somewhere between 25% and 35% of sales depending on service model. But "labor cost" is more than hourly wages — for bookkeeping and prime-cost purposes it should include the employer's payroll taxes, workers' comp, and any benefits, not just gross pay. Tracking only the wages on the schedule understates your true labor cost by roughly 10% to 15%.

Restaurant payroll is complicated by scheduling that changes daily, tipped and non-tipped roles side by side, overtime, and often multiple locations. Getting it processed accurately and on time — with correct tip handling baked in — is its own discipline. Many owners lean on dedicated payroll support so that wages, tips, and payroll taxes all reconcile back to the books instead of living in a separate silo.

Tips: handling, payroll, and reporting

Tips are where restaurant bookkeeping crosses into payroll and tax law, and where the rules are easiest to get wrong. Here's what an owner needs to understand. (Figures below are current as of 2026 — always confirm the latest federal and state rules, since they change.)

The tip credit and cash wage

Under the federal Fair Labor Standards Act, an employer may pay a tipped employee a direct cash wage as low as $2.13 per hour and count up to $5.12 per hour in tips toward the $7.25 federal minimum wage — that gap is the "tip credit." The crucial rule: if an employee's cash wage plus tips doesn't reach the full minimum wage in a given workweek, the employer must make up the shortfall. And many states set this differently — a number of states (including California, Washington, Oregon, Nevada, Minnesota, Montana, and Alaska) don't allow a tip credit at all and require the full state minimum wage in cash before tips. Your books and payroll have to reflect your state's rule, not just the federal one.

Employee tip reporting

Employees who receive $20 or more in tips in a month are required to report the total to the employer in writing (IRS Form 4070 or an equivalent record), typically by the 10th of the following month. The employer then treats those reported tips as wages for withholding — income tax, Social Security, and Medicare — and includes them on the employee's Form W-2. This is why "cash tips" are never truly off the books: reported tips flow through payroll like any other wages.

Form 8027 and allocated tips

A "large food or beverage establishment" — generally one that normally employs more than 10 employees on a typical business day and where tipping is customary — must file Form 8027 annually, reporting total sales and total reported tips. If employees collectively report tips totaling less than 8% of the establishment's food and beverage sales, the employer must allocate the difference among employees and show it on their W-2s. Even below the large-establishment threshold, keeping tip reporting close to reality avoids allocation surprises.

The FICA tip credit — a break worth claiming

Here's the piece many restaurant owners miss. Because employers pay the 7.65% employer share of FICA (Social Security and Medicare) on employees' reported tips, the tax code offers the FICA tip credit under Section 45B — a dollar-for-dollar federal income-tax credit for much of that employer FICA. The credit applies to tips above the amount needed to bring the employee up to $5.15 per hour (a threshold frozen at the 1996–2007 minimum wage, not today's rate). It's claimed on Form 8846, and for a restaurant with significant tip volume it can be worth thousands of dollars a year. Accurate tip records aren't just a compliance chore — they're what unlocks this credit.

"No tax on tips" — new for 2025–2028

Under the 2025 tax law (the One Big Beautiful Bill Act), qualifying employees can take a federal income-tax deduction of up to $25,000 of qualified tips for tax years 2025 through 2028, phasing out once modified adjusted gross income exceeds $150,000 (single) or $300,000 (joint). Two things owners should know: it's an employee deduction, not an employer break — and payroll taxes still apply to tips. It also raises the stakes on accurate tip reporting, because employees can only claim the deduction on properly reported, qualified tips. Confirm the current guidance and any updated reporting requirements before relying on it.

Sales tax on food and beverage

Every ticket a restaurant rings up typically includes sales tax, and that tax is not your money — it's collected on behalf of the state (and often the city or county) and must be remitted, usually monthly or quarterly. The two mistakes that cause the most pain:

• Treating collected tax as revenue. Sales tax collected should sit in a liability account, not inflate your sales. When it's mixed into revenue, owners overestimate how much money is actually theirs and come up short at remittance time.
• Not setting the cash aside. Because remittance lags collection by weeks, it's easy to spend the tax money. Disciplined restaurants effectively hold it separately so the payment is always funded.

Rules also vary in ways that catch operators off guard: prepared/hot food is often taxed differently from grocery items, alcohol may carry additional taxes, and delivery and service charges can be taxable or not depending on the jurisdiction. Rates and rules differ by state and locality, so verify what applies where you operate. Good bookkeeping records the tax as a liability at the point of sale and reconciles it to what you remit, so there are no surprises.

The reports an owner should read every week

Monthly financials are essential, but a restaurant moves too fast to run on monthly numbers alone. The best operators read a short set of numbers weekly, because a bad trend caught on day 7 is fixable and one caught on day 45 is already a loss. Learning to read these the way an operator does — not just filing them — is the difference between books that sit in a drawer and books that run the business (our guide on reading your P&L like a CEO goes deeper on this).

• Weekly prime cost. Food + beverage COGS + total labor as a percentage of sales. This is the master gauge — hold it under ~60% and most restaurants are healthy.
• Food and beverage cost %. Tracked separately, week over week, to catch price creep, portion drift, and waste early.
• Labor cost % (fully loaded). Wages plus payroll taxes and benefits against sales, ideally broken into front-of-house and back-of-house.
• Sales by day and daypart. To staff and order correctly and to see which shifts actually make money.
• Sales tax liability balance. So the remittance is always funded and never a scramble.
• Cash position. Because thin margins mean cash timing — payroll dates, vendor terms, tax due dates — can matter more than the monthly profit figure.

At month-end, those weekly numbers roll into a proper P&L and balance sheet that show the full picture: prime cost, operating margin, and how the restaurant is trending versus prior periods. That combination — fast weekly operating metrics plus disciplined monthly financials — is what separates restaurants that quietly bleed from ones that actually build equity.

Where restaurant owners lose money in the books

A few patterns show up again and again when we clean up restaurant books:

• Recording net deposits as sales. Booking only what hit the bank buries processing fees and delivery commissions and understates real revenue — so no one sees how much the apps are actually costing.
• Purchases booked as food cost with no inventory counts. Without beginning and ending counts, "food cost" is just "food buying," and margins are invisible.
• Tips run outside payroll. Skipping proper tip reporting risks payroll-tax problems, W-2 errors, and forfeiting the FICA tip credit.
• Sales tax mixed into revenue. Money that belongs to the state gets counted as profit and spent.
• No separation of food and beverage. One blended COGS line makes it impossible to see whether the kitchen or the bar is the problem.

None of these are exotic. They're the predictable result of trying to run high-volume, tip-heavy, thin-margin books in the same casual way you'd keep books for a simple service business. The fix isn't heroics — it's a restaurant-specific chart of accounts, a disciplined daily and monthly rhythm, and someone whose job it is to keep it clean.

How Tides handles restaurant books

Restaurant bookkeeping rewards specialization, and it's exactly the kind of work we're built for. We set up a chart of accounts that separates food and beverage sales and COGS, tracks prime cost, and books processing fees and delivery-app commissions where they belong — so your P&L shows real revenue and real cost, not the leftover that hit the bank. We reconcile your POS to your bank so the numbers are trustworthy, keep vendor bills and inventory adjustments current so food cost is accurate, and coordinate tip handling and payroll so wages, tips, and payroll taxes all tie out — including the records you need to claim the FICA tip credit.

Every month you get financials you can actually use: prime cost, food and beverage cost percentages, labor cost, and the trends behind them — plus a bookkeeper who understands what those numbers mean for a restaurant. It's one of the industries we know best; you can see how we approach it on our restaurants & bars page, and the full range of businesses we support on who we serve. If your books are behind or were never set up for a restaurant in the first place, that's a fixable problem — and a good conversation to have before the next tax season or your next lease renewal.