Is Ecolab, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Ecolab, Inc. has moved from very expensive to fair. The company appears fairly valued based on its current metrics. Key ratios include a P/E ratio of 42, an EV to EBITDA of 28.65, and a PEG ratio of 1.18. In comparison, Linde Plc is rated attractive with a lower P/E of 35.69, while Air Products & Chemicals, Inc. is considered expensive with a P/E of 15.89.
Ecolab's stock has outperformed the S&P 500 in the year-to-date period, returning 18.11% compared to the index's 13.30%, but it has lagged over the longer term, particularly in the 5-year and 10-year returns. Overall, Ecolab's current valuation metrics suggest it is fairly valued in the specialty chemicals sector.