
A jumpstart guide to valuing your small business using various methods and factors. Scroll to the end for a simple calculator to get you started.
Start with net income. Add back owner salary and benefits. Add back one-time or personal expenses. Add back taxes, depreciation, amortization, interest. Multiply by industry-specific multiple (typically 2-4x).
List all tangible assets. Add inventory at cost. Include equipment at market value. Add accounts receivable. Subtract liabilities.
Calculate annual revenue. Apply industry-specific multiple (typically 0.5-3x). Adjust based on growth rate and stability.
Revenue trends over 3-5 years. Profit margins compared to industry standards. Working capital requirements. Cash flow stability.
Customer concentration and loyalty. Recurring revenue percentage. Market position and competition. Systems and processes. Employee retention.
Industry outlook. Location and market conditions. Reliance on owner. Vendor relationships. Regulatory environment.

Source: Wall Street Prep
Suppose you’re tasked with calculating the seller’s discretionary earnings (SDE) profit metric of a small business given the following last twelve months (LTM) financials.
The calculation of the company’s SDE on an ​last twelve months basis is straightforward, as we adjust pre-tax income (EBT) by adding back the owner’s compensation, interest, D&A, discretionary expenses and non-recurring expenses.
In conclusion, the sum comes out to $640k, which reflects the concept of seller’s discretionary earnings (SDE).
Use this ​free tool to roughly predict your company's value:
Generally, SDE or adjusted EBITDA is a more accurate gauge of businesses value. I have included revenue methods as well since I've run into owners basing valuations off a revenue multiple. What I want you to notice is the gap in SDE vs revenue — use SDE!

Small Business Valuation Guide