The total U.S. William Blair/PCO Bookkeepers & M&A Specialists Pest Index increased 14 percent year-over-year in September 2025, above the long-term average index growth rate of 10 percent.
After normalizing for one more workday in September, the Pest Index increased about 9 percent year-over-year. This level is near the year-to-date growth rate of 10 percent.
Tim Mulrooney, William Blair equity researcher, said in a release, “Despite concerns around consumer confidence, slowing job growth and the government shutdown, the health of the pest control consumer remains robust. This is a testament to the high recurring revenue model and nondiscretionary nature of the service.”
Dan Gordon, managing member of PCO Bookkeepers & M&A Specialists, notes, “It’s great to see that revenue growth accelerated across all business lines in September. The results are in line with the general positivity we’re hearing from industry members.”
The month’s results by segment include:
- The Residential Pest Index increased 17 percent year-over-year.
- The Commercial Pest Index increased 8 percent year-over-year.
- The Termite Index increased 13 percent year-over-year.
- The Bed Bug Index increased 7 percent year-over-year.
The Mosquito Index increased 14 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 148 privately held pest control companies across 38 states with a combined annual 2024 revenue of $531 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.
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