To calculate normalized earnings for a business valuation, start with net income from the financial statements and adjust it in six directions: add back one-time expenses and subtract one-time gains, replace the owner’s actual pay with market-rate compensation, strip out personal expenses run through the business, reprice any related-party transactions to fair market value, remove income and costs tied to non-operating assets, and subtract the shortfall between actual and required maintenance spending. The resulting figure shows what the business repeatably earns on its ongoing operations, which is the number that gets multiplied to arrive at a valuation.
The math is straightforward. Identifying which adjustments belong, and defending the amount of each, is where the work happens. Every dollar added back raises the purchase price by the valuation multiple, so buyers push down and sellers push up on the same items.
Non-Recurring Items
The first pass through the income statement pulls out anything that happened once and won’t happen again in a normal year. A patent-litigation settlement, an employee injury payout, storm-damage insurance proceeds, or the gain from selling a warehouse the company no longer needs all belong here. So do relocation costs, severance from a one-time layoff, large write-downs of obsolete inventory, and temporary supply-chain surcharges that have since normalized.
The direction of the adjustment always points toward what a normal year would look like. A non-recurring expense gets added back, which raises normalized earnings. A one-time gain gets subtracted, which lowers them.
The label “non-recurring” deserves skepticism. Check whether similar charges appeared in earlier years under different names. A company that books a “non-recurring” legal expense every two or three years actually has a recurring legal cost, and it should stay in the numbers. A useful sanity check runs the normalized profit margin against the industry average. If your adjustments push the margin well above the peer group, they are probably too aggressive.
The old GAAP category of “extraordinary items” no longer exists as a separate line. The Financial Accounting Standards Board eliminated it for fiscal years beginning after December 15, 2015.1FASB. ASU 2015-01 Income Statement Extraordinary and Unusual Items (Subtopic 225-20) Unusual or infrequent items still get disclosed, but they no longer sit below continuing operations. For normalization, the accounting label does not matter. The only question is whether the item will recur.
Owner Compensation
Owner compensation is almost always the single largest adjustment in a private-company normalization. Owners of closely held businesses set their own pay, and that pay rarely matches what an outside manager in the same role would cost. An owner drawing $300,000 for a job a hired CEO would do for $150,000 has buried $150,000 of profit distribution inside the salary line. The adjustment substitutes the market-rate figure and adds the difference back to earnings.
Reasonable compensation has decades of case law behind it. Federal courts evaluate it under Section 162(a)(1) of the Internal Revenue Code, which allows a deduction for “a reasonable allowance for salaries or other compensation for personal services actually rendered.”2Office of the Law Revision Counsel. 26 USC 162 – Trade or Business Expenses In Charles Schneider & Co. v. Commissioner, the Eighth Circuit held that reasonableness is a factual determination based on all the circumstances, and that compensation in owner-controlled corporations deserves extra scrutiny because there is no arm’s-length bargaining.3Justia Law. Charles Schneider and Co Inc v Commissioner of Internal Revenue
The IRS uses a multi-factor test that looks at the employee’s qualifications and experience, the scope of their duties, the size and complexity of the business, time devoted to operations, local economic conditions, and what comparable businesses pay for similar roles.4Internal Revenue Service. Reasonable Compensation Job Aid for IRS Valuation Professionals In practice, analysts pull compensation surveys and job postings for the specific role, geography, and company size to set the market rate.
Benefits deserve their own look. Health insurance premiums for an S-corporation shareholder who owns more than 2% of the company are deductible by the corporation and reported as wages on the shareholder’s W-2, but they are not subject to Social Security or Medicare taxes when paid under a qualifying plan.5Internal Revenue Service. S Corporation Compensation and Medical Insurance Issues The share that reflects a standard employee benefit stays in the numbers. Coverage that goes well beyond what a replacement manager would receive gets added back.
Discretionary Personal Expenses
Owners routinely run personal costs through the business. Personal vehicle leases, country club memberships, family members on the payroll who do little or no actual work, personal travel booked as business travel, and above-market retirement contributions all show up in the income statement. A new owner would not incur them, so each gets reversed. The goal is to strip the current owner’s lifestyle out of the operating cost base.
Related-Party Transactions
When an owner does business with themselves or with family members through separate entities, the pricing is almost never at market. Rent is the classic example. An owner who also owns the building might charge the company $8,000 a month for space that would lease for $4,500 on the open market. That $3,500 monthly gap, or $42,000 a year, gets added back to normalized earnings, because a new owner would either renegotiate or find comparable space at fair market value.
The adjustment runs both ways. Some owners deliberately undercharge rent to keep more cash inside the operating company, which inflates reported earnings. In that case, the adjustment lowers earnings to reflect what the business would actually pay. Fair market rent gets established by pulling comparable lease listings in the same area and adjusting for building age, square footage, and lease terms.
The same logic applies beyond real estate: raw materials bought from a family-owned supplier, management fees paid to a holding company, and loans between related entities at off-market interest rates all get repriced to their arm’s-length equivalents.
Non-Operating Income and Assets
Some line items generate income or costs that have nothing to do with the core business. A manufacturer that holds an investment portfolio earns dividends and capital gains from investing, not from making products. Rental income from subletting unused warehouse space is the same story. These revenues come out during normalization, because a buyer is paying for the operating business, not the owner’s side investments.
Costs tied to non-operating assets come out too. An unused piece of equipment that still costs money to insure and maintain drags down earnings without contributing to production. Corporate-owned life insurance is another common item: the cash surrender value sits on the balance sheet, and the premium payments flow through the income statement, but neither relates to daily operations.
Separating these items matters for two reasons. It isolates the true earning power of what the buyer is actually acquiring, and non-operating assets are often handled separately in the deal structure. The investment portfolio might stay with the seller, and surplus real estate might be carved out into its own transaction.
Deferred Maintenance
This is where many buyers get burned. A seller who has been skimping on equipment maintenance, building upkeep, or technology refreshes in the years before a sale shows artificially high earnings, because money that should have gone to maintenance stayed in the profit column. Normalized earnings need to reflect what the business should be spending to sustain current revenue, not what the seller actually spent.
The adjustment compares a multi-year average of required maintenance spending, based on industry norms and the company’s asset base, against actual spending. If a business should be spending $400,000 a year on maintenance but has averaged $75,000 over the past three years, the $325,000 gap reduces normalized earnings. At a 5x valuation multiple, that single adjustment moves the purchase price by more than $1.6 million.
Watch for maintenance expenses trending down while revenue stays flat, capital budgets consistently below industry benchmarks, and aging equipment with no replacement schedule. Distinguish maintenance spending, which keeps current capacity running, from growth spending, which expands capacity or enters new markets. Only maintenance belongs in normalized earnings. Growth spending is optional and generates new revenue to cover its own cost.
The Calculation, in Order
Working through the adjustments in sequence:
- Start with net income from the most reliable financial statements available. Audited or reviewed statements carry more weight than compiled statements or tax-return figures.
- Add back non-recurring expenses: settlements, one-time severance, disaster costs, obsolete-inventory write-downs.
- Subtract non-recurring gains: profit from asset sales, insurance windfalls, forgiven debt.
- Add back excess owner compensation, calculated as actual owner pay and benefits minus market-rate compensation for the role.
- Add back discretionary personal expenses running through the business.
- Adjust related-party transactions to fair market value, in whichever direction the current pricing sits.
- Remove non-operating income and the costs tied to non-operating assets.
- Subtract deferred maintenance, the gap between required and actual maintenance spending.
A simple example: a business reports $500,000 in net income. It paid a $50,000 legal settlement that will not recur, the owner took $125,000 in compensation above market rate, and the company recorded a $100,000 gain from selling surplus land. Normalized earnings work out to $500,000 + $50,000 + $125,000 − $100,000 = $575,000.
Every adjustment needs documentation. An invoice for the settlement, a compensation survey for the owner-pay figure, a lease comparable for the rent adjustment. The buyer’s advisors will challenge anything that looks inflated, and undocumented add-backs get thrown out.
Cross-Checking Against the Tax Return
For S-corporations, tax professionals often reconcile normalization adjustments against Schedule M-1 of Form 1120-S, which bridges book income and the income reported on the tax return.6Internal Revenue Service. 2025 Instructions for Form 1120-S – Section: Schedule M-1 Reconciliation of Income (Loss) per Books With Income (Loss) per Return Schedule M-1 tracks items like book expenses that are not deductible on the return and income recorded for tax that does not appear in the accounting records. Cross-referencing this schedule against the normalization worksheet catches discrepancies that would otherwise slip through.
Which Earnings Figure You Are Normalizing To
Not every normalized earnings number is expressed the same way. Two metrics dominate private-business valuation, and confusing them produces a wildly incorrect price.
Seller’s Discretionary Earnings (SDE) adds back the owner’s entire salary, benefits, and perks to net income, along with interest, taxes, depreciation, and amortization. SDE represents the total financial benefit available to a single full-time owner-operator, and it is the standard metric for smaller businesses, generally those under $1 million in earnings. Typical SDE multiples run from 2x to 4x.
EBITDA adds back only the excess portion of owner compensation above the market rate. It assumes the business will need a paid manager to run and is the standard for larger businesses, typically those above $1.5 million in earnings. Multiples here generally run from 4x to 7x or higher depending on size and industry.
Businesses in the $1 million to $1.5 million range can be valued either way. What matters is not applying an EBITDA multiple to an SDE figure or vice versa. A multiple quoted without specifying which earnings base it goes with is meaningless.
Cyclical Businesses
Construction, manufacturing, commodities, and hospitality all move with the economy. Valuing a cyclical company at the peak of its cycle overpays; valuing it at the trough underpays. Neither snapshot captures long-term earning power.
The standard fix is to average earnings across a full cycle, generally five to ten years of data. The simpler approach averages dollar earnings directly. The more defensible approach averages profit margins or return on capital over the period, then applies that average rate to the company’s current revenue or asset base. The second method handles growth better, because a company that has doubled in size should not be valued on the absolute earnings it produced when it was half its current size.
What the Normalized Number Feeds Into
Normalized earnings sets the purchase price, but two other pieces of the deal ride on the same analysis.
Working capital gets its own peg. Most acquisition agreements set a target level of net working capital that the seller must deliver at closing, calculated by averaging the company’s normalized net working capital over the trailing three to twelve months with adjustments for seasonality, non-recurring items, and non-operating balances. If actual working capital at closing falls short, the price drops dollar for dollar. If it exceeds the target, the seller collects the difference. Watch for sellers accelerating collections or delaying payments in the months before closing, which temporarily inflates working capital and reverses within weeks.
A Quality of Earnings report is the professional deliverable that packages the normalization work. It is not the same as an audit. An audit asks whether the financial statements comply with GAAP. A QoE report asks whether the earnings are real, sustainable, and correctly adjusted for valuation purposes. A typical analysis covers three years of monthly data plus the trailing twelve months, examining adjusted EBITDA trends, owner compensation, discretionary expenses, customer concentration, working capital, and business risks that would not appear in an audit. Most transactions are priced off last-twelve-months earnings rather than the most recent fiscal year, because LTM captures the most current performance and standardizes comparisons across deals announced at different times.
Customer concentration can compress the multiple applied to whatever normalized figure you arrive at. When a single customer accounts for more than 20% to 25% of revenue, buyers see real risk that losing the relationship would crater cash flow, and they often shift part of the price into an earn-out tied to retaining that customer for a year or two after closing. In effect, the seller carries the concentration risk instead of the buyer.
For mid-sized deals under $10 million in enterprise value, a QoE report typically costs between $14,000 and $23,000, varying with the number of locations, industry complexity, and whether carve-out analysis is needed. A single missed normalization adjustment routinely moves the price by a multiple of that fee.