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The William Blair/PCO Bookkeepers & M&A Specialists total U.S. Pest Index increased 8 percent year-over-year in July 2026, below the long-term average index growth rate of 10 percent. A result above 10 percent is a sign of strength for the month, and a reading below 10 percent is a sign of softness for the month.
“July showed a slight deceleration from June, which was up 9 percent year-over-year,” William Blair Equity Researcher Tim Mulrooney said in a news release. “However, adjusting for the extra workday in June this year, we estimate both months grew at a similar rate on a year-over-year basis. In conclusion, our index did not show any discernible improvement in July.”
Dan Gordon, managing member of PCO Bookkeepers & M&A Specialists, added in the news release, “After several months of softer-than-average growth, it’s clear that 2026 is shaping up to be a more challenging growth environment than the industry has experienced in recent years. The key question now is whether we see that trend stabilize or begin to improve as we move into the second half of the year.”
The month’s results by segment include:
- The Residential Pest Index increased 9 percent year-over-year.
- The Commercial Pest Index increased 11 percent year-over-year.
- The Termite Index increased 4 percent year-over-year.
- The Bed Bug Index increased 3 percent year-over-year.
- The Mosquito Index decreased 6 percent year-over-year.
About the William Blair/PCO Bookkeepers & M&A Specialists Pest Index
The William Blair/PCO Bookkeepers & M&A Specialists Pest Index tracks the monthly performance of 161 privately held pest control companies across 40 states with combined annual 2025 revenue of $647 million. The purpose of the report is to track the monthly performance of several U.S. pest markets. It does not include residential door-to-door companies.
