What is a cost center?

Definition

A cost center is a part of the business the books track for what it spends, not for what it earns. On the books, this is a department or location with operating expenses and no revenue line.

A regional HVAC shop can treat HR and the warehouse this way. Those teams keep the company running, and the report asks how much they spent against the plan.

It is a label on a slice of the books, not a ledger account you debit. Wages, rent, and supplies still post to the usual expense accounts; this label only groups them.

Accrual books still record the costs when they are incurred, even if cash has not left. A cash-basis reading can shift the same spending into a different month.

Where it shows up

P&L: Related to operating expenses grouped by department, with no revenue line.

Cash flow: Related to the cash those departments spend, which this label does not show.

See also: Departmental P&L · Overhead Allocation · Chart Of Accounts

When you look at your Income Statement, this slice is a block of costs with no sales on top. HR and the warehouse each show wages, supplies, and other keep-the-shop-running costs.

When the figure is over plan, that department spent more than the month allowed. When it is under plan, hiring slipped, a bill landed late, or the team simply spent less.

The Balance Sheet does not print this label as its own line. Unpaid warehouse bills and payroll still sit in the company liabilities.

This label does not appear as a section on the Statement of Cash Flows. Paying those departments is cash out; the label itself does not move cash.

A departmental P&L can show this slice next to slices that do have sales. The cost-center idea is the missing revenue line, not the whole report.

How it works

Someone assigns a department tag to the expense accounts that belong to that team. At month-end, the report adds those tagged costs and stops there.

There is no sales line on purpose. HR does not invoice the techs, and the warehouse does not invoice the trucks, on this read.

Payroll expense for HR staff lands in the HR slice. Warehouse wages, pallets, and forklift repairs land in the warehouse slice.

Shared costs such as the office building may be assigned onto these slices. Overhead allocation is that assignment; this page stays on the spending label, not on the split method.

Stay with the spending when you read the slice. A warehouse that stays under plan is cheaper this month, not more profitable, because there is no sales line to compare.

Do not treat the slice total as cash that left this week. A $9,400 HR month can include an accrued bonus that has not been paid yet.

The headcount plan is often what sits behind the payroll budget on this slice. Hiring ahead of that plan is the usual reason the number jumps.

Example

Ridge Air HVAC is a regional shop with a field team, a warehouse, and a small HR desk. May is the month we will read.

HR has no revenue line. The slice shows wages, recruiting fees, and HR software only.

The HR budget for May is $9,000. Actual spending is $9,400, so the slice is $400 over plan.

The extra $400 is a recruiting fee for a new dispatcher. Wages were on plan; the fee is what put the slice over.

The warehouse is also a cost center this month. It shows $12,000 of wages, pallets, and forklift repairs against an $11,500 budget.

Neither slice shows a sales line. The field team's job revenue sits on a different read, not on HR or the warehouse.

If HR had skipped the recruiting fee, the slice would have landed at $9,000. The warehouse number would not have to change for HR to meet plan.

Common mix-ups

A cost center is not a profit center. A profit center tracks both sales and costs; this label tracks spending only.

A cost center is not a departmental P&L. A departmental P&L is the report that can show these slices; this label is one kind of slice on that report.

A cost center is not cash spent. The slice can include bills not yet paid, or miss a payment that belongs to last month.

Related terms

• Departmental P&L: An income statement split by department, location, or product line.
• Profit Center: A part of the business tracked for both its revenue and its costs.
• Overhead Allocation: The method for spreading indirect costs across products, jobs, or departments.
• Chart Of Accounts: The organized list of every account used to record transactions.
• Budget Versus Actual: The comparison of planned amounts to what actually happened.
• Operating Expenses: The ongoing costs of running the business that are not direct costs of sale.
• Account Roll-Up: How detailed accounts summarize into the lines shown on a statement.
• Headcount Plan: The staffing plan behind budgeted payroll cost by period.