Owners of small and medium businesses ask this question when they want to sell, bring in a partner, borrow money or just see how they are doing. If you want to know how to calculate networth of a company in a way that reflects what the business is really worth, not only the accounting figure, there are three main approaches. This guide shows each, with a simple example you can adapt.
It is general education, not financial or valuation advice, and a professional valuation is best for any real transaction.
How to calculate networth of a company: why one number is not enough
A balance sheet gives a figure called owners’ equity, which is assets minus liabilities. That is a useful floor, but it ignores things that buyers care about, such as profits, customers and brand. Business people therefore talk about several values: book value, asset value and market or going-concern value. Understanding all three tells you what your company is worth in different situations.
Method 1: The asset-based approach
This looks at what the business owns and owes.
1. List all assets at fair market value, not book value. Property may be worth more than recorded, while old equipment may be worth less. 2. Subtract all liabilities, including debts and obligations that are not fully recorded. 3. The result is the adjusted net asset value.
This approach suits asset-heavy businesses such as manufacturers, property holders and farms, and businesses that are being wound up. It undervalues service companies whose main assets are people and relationships.
Method 2: Earnings-based approach
Buyers of operating businesses usually pay for profit. A common technique is to use a multiple of earnings.
1. Work out normalised annual earnings, adjusting for one-off items and for owner perks that a new owner would not have. For very small firms, a measure called seller’s discretionary earnings, which adds back the owner’s pay and personal expenses, is often used. For larger ones, earnings before interest, tax, depreciation and amortisation (EBITDA) is more common. 2. Choose a multiple based on the industry, size, growth and risk. Small private businesses often sell for a few times annual earnings, while fast-growing firms may command more. Industry brokers and published deal databases provide benchmarks. 3. Multiply earnings by the multiple to get a business value.
A simple example
A small design agency has normalised annual earnings of 120,000 after adjustments. Similar agencies have sold for about three times earnings. The earnings-based value is 120,000 × 3 = 360,000. If the agency has 40,000 of debt and 25,000 of cash, an owner might think of the equity value as roughly 345,000 (360,000 minus 40,000 plus 25,000), depending on how the deal is structured.
Method 3: The market approach
This compares the company with similar ones that have been sold. If you can find recent sales of comparable companies, you can express the price as a multiple of revenue or earnings and apply it to your business. For public companies, analysts use peers’ valuation ratios. For private firms, data from brokers and deal databases are used, and the quality varies.
Bringing it together
Many valuers look at the results of two or three methods and weigh them. If the asset value is higher than the earnings value, the business might be worth more broken up than as a going concern. If the earnings value is much higher, the value is in the profit stream, and it depends on keeping staff and customers.
Adjustments that matter
- Owner dependence. If the business relies on the owner personally, buyers will pay less.
- Customer concentration. If one customer is half of revenue, risk is higher.
- Growth. Rising revenues justify a higher multiple.
- Contracts and recurring revenue. Subscriptions and long contracts are valued more.
- Debt and working capital. Deals often adjust the price for the level of cash and debt at closing.
- Discounts for illiquidity. Private companies are harder to sell than listed shares.
Common mistakes
1. Using revenue instead of profit without a suitable multiple. 2. Not normalising earnings, so one-off gains inflate the value. 3. Ignoring liabilities such as tax debts or leases. 4. Using a rule of thumb blindly, such as “two times revenue.” 5. Confusing the asking price with the value.
How to check your figure
Compare it with at least one other method. Ask an accountant to review the numbers, and if you plan to sell, consider a professional valuation or a business broker. Lenders and tax authorities may also require formal valuations, with specific standards.
When book net worth is enough
If you only need a quick measure of financial health for a loan application, the balance-sheet net worth (assets minus liabilities) may be what the lender requests. For internal planning or a sale, use the broader approaches above.
In short
To work out how to calculate networth of a company, start with the balance-sheet figure, then test it against an asset-based value, an earnings multiple and market comparisons. Be honest about owner dependence and risk, and use a professional for transactions. This article is educational only.
More to read
- TechCrunch Disrupt 2026: What Founders Get From Going
- TechCrunch Disrupt 2025: Takeaways From the Startup Stage
Image credit: Martin Falbisoner via Wikimedia Commons (CC BY-SA 4.0).
