Seller's discretionary earnings, with every add-back on its own line, times a market range you can change.
That is 25.9% of the $650,000 in revenue you entered.
An estimate built from the numbers above. Not an appraisal, and not an offer on your business.
Owner dependence. A business that runs on the owner's relationships and daily presence sells at the low end of the range. One that runs on the crew and the systems sells at the high end.
Recurring contracts. Service agreements and repeat maintenance work count more than one-off jobs, because a buyer can underwrite revenue that keeps showing up on its own.
Customer concentration. One account carrying a third of revenue is a risk a buyer prices into the offer. A spread-out customer list moves the multiple up.
Crew tenure. A crew that has been there for years and plans to stay after closing is worth more to a buyer than a crew that just started.
The two defaults above, 1.75x and 3.13x, are the range BizBuySell reports for the middle half of small service-business sales in its own transaction data. Both numbers are assumptions about the market, not a quote on your business, so change them if your trade or your area looks different. Source: bizbuysell.com, service-business valuation benchmarks.