The total U.S. William Blair/PCO Bookkeepers & M&A Specialists Pest Index increased 9 percent year-over-year in January 2025, decelerating from December’s 11 percent result. The January result is slightly below the long-term average pest index growth rate of 10 percent.

“Based on commentary from several regional operators, we believe weather may have negatively affected January performance in some markets,” says William Blair Equity Researcher Tim Mulrooney. “On a sequential basis, the index increased 4 percent from January, which is in line with normal seasonal trends.”

Dan Gordon, managing member of PCO Bookkeepers & M&A Specialists, adds, “The January result reflects continued resiliency in our market. It will be interesting to see if economic news in subsequent months changes anything. In any case, we know the pest control industry is consistent over the long haul.”

The month’s results by segment include:

• The Residential Pest Index increased 10 percent year-over-year.
• The Commercial Pest Index increased 10 percent year-over-year.
• The Termite Index increased 5 percent year-over-year.
• The Bed Bug Index increased 12 percent year-over-year.
• The Mosquito Index decreased 1 percent year-over-year.

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The William Blair/PCO Bookkeepers & M&A Specialists Pest Index tracks the monthly performance of 137 privately held pest control companies across 38 states with combined annual 2024 revenue of $530 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. Learn more.