Definition

Staff turnover

Staff turnover is the rate at which employees leave a business and are replaced over a given period, usually expressed as a percentage of headcount per year. It is one of the more reliable early signals in due diligence, because turnover that is high, rising, or concentrated among long-tenured staff usually points to a problem the financial statements have not caught up to.

Reviewed

Every business loses some staff — turnover on its own is not a red flag. What matters is the pattern: is it stable and expected for the industry, or is it accelerating, and is it hitting the experienced employees who actually carry the business? A restaurant losing junior line cooks regularly is normal; a service business losing its senior technicians every few months is not.

What high turnover usually signals

  • Management or scheduling problems the owner has not been dealing with
  • Below-market wages that a buyer will likely need to correct after closing
  • A workplace culture issue that will not disappear with new ownership
  • Rising training and recruiting costs that are not always broken out as a separate line item

What to check in diligence

Employment standards on notice, severance and continuity of service vary by province, so how a sale is structured can itself affect what a buyer owes departing or continuing staff. Reviewing recent departures, exit reasons where they were recorded, and current wage levels against the local market gives a much clearer read than the turnover number by itself.

Sources

This definition is checked against primary sources. Links were last confirmed on the dates shown.

  1. 01
    Treadstone LawLegal commentary
    Employment Due Diligence Red Flags Before Buying an Ontario Business
    treadstonelaw.ca·Checked Aug 14, 2026
  2. 02
    Treadstone LawLegal commentary
    ESA Section 9 and Continuity of Employment on an Ontario Business Sale
    treadstonelaw.ca·Checked Aug 14, 2026
  3. 03
    Treadstone LawLegal commentary
    Key Employee Retention Agreements
    treadstonelaw.ca·Checked Aug 14, 2026

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