Ecolab provides water, hygiene and energy technologies and services to industrial, institutional and healthcare customers and presents as a cash-generative industrial with steady profitability and moderate leverage. Growth Metrics and Recent Performance The company shows multi-year earnings compounding: five‑year diluted EPS compounded at about 16.08% and three‑year EPS CAGR at roughly 23.88% , wh
Ecolab provides water, hygiene and energy technologies and services to industrial, institutional and healthcare customers and presents as a cash-generative industrial with steady profitability and moderate leverage.
The company shows multi-year earnings compounding: five‑year diluted EPS compounded at about 16.08% and three‑year EPS CAGR at roughly 23.88%, while revenue per share grew about 6.40% over five years — metrics that underpin recent per‑share improvement in revenue ($56.39 most recently) and EPS (7.28 most recently) as shown in EPS Diluted & Revenue per Share.
Profitability and cash generation are tangible strengths: gross margin is near 44.5%, operating margin about 18.0% and net margin roughly 12.9% in the latest quarters (Profit Margin Trends), return on equity sits at about 21.2% trailing twelve months (Return on Equity (ROE)), and trailing twelve‑month operating cash flow of $2.95B exceeds trailing net income of $2.08B by roughly $0.87B, supporting a free cash flow margin near 11.8% (Earnings Quality Analysis).
At the same time there are real issues to monitor. EPS growth has turned slightly negative on a year‑over‑year basis (most recent diluted EPS growth –1.7% / –1.74%), and revenue per‑share growth has been highly volatile — one‑year RPS growth was only 2.2% after extreme quarter‑to‑quarter swings (e.g., revenue per‑share surges of thousands of percent in early 2025 and near –100% readings in 2023–2024) (Revenue & EPS Growth; EPS Diluted & Revenue per Share). Capital allocation and investment activity are also notable: investing cash flow returned to heavy outflows with a recent TTM investing cash flow of –$2.84B (after earlier peaks near –$4.5B) and financing was a net use of cash at –$837.5M TTM (Strategic Capital Allocation).
Key fundamentals to watch going forward are quarterly revenue per‑share and diluted EPS trends and whether EPS reverts to positive year‑over‑year growth (Revenue & EPS Growth); the gap between operating cash flow ($2.95B TTM) and net income ($2.08B TTM) and changes in investing cash outflows (–$2.84B TTM) that drive free cash flow (Earnings Quality Analysis; Strategic Capital Allocation); margin progression (gross ~44.5%, operating ~18.0%, net ~12.9%) (Profit Margin Trends); and movement in ROE (21.2% TTM) and the company’s P/E trend (36.1x most recent) for context on market pricing (Return on Equity (ROE); Price-to-Earnings (PE) Ratio Trend).
The foundation of business quality and long-term value creation
Revenue for ECOLAB INC. has trended upward in recent quarters, rising sequentially through 2025 from $3.69B in Q1 to $4.03B in Q2, $4.17B in Q3 and $4.20B in Q4. Over the multi-year sample revenue moved from the mid–$3.4B–$3.8B range in 2018–2021 into a more consistent ˜$4.0B level in 2022–2025, with the 2025 quarterly series showing the strongest recent progression.
Net income has been more variable but generally increased through 2025, climbing from $402.5M in Q1 2025 to $524.2M in Q2 and $585.0M in Q3 before a modest decline to $563.9M in Q4. Notable inflection points in the data include a peak net income of $736.5M in Q3 2024 and an isolated negative revenue entry of -$11.38B for the period ending 2023–12–31 that stands apart from surrounding quarters. The most recent quarterly revenue was $4.20B. The most recent quarterly net income was $563.9M.
Why Growth Matters
Consistent revenue and earnings growth are the lifeblood of successful long-term investments. Companies that can grow their top line (revenue) and bottom line (net income) over many years demonstrate they have products or services customers value and are willing to pay for repeatedly.
Revenue Growth shows whether the company is expanding its market reach, gaining market share, or successfully launching new products.Net Income Growth demonstrates the company can convert that revenue into actual profits while managing costs effectively.
Look for steady, sustainable growth rather than erratic spikes. The best businesses compound earnings year after year, creating tremendous value for shareholders over time. Companies that can grow earnings faster than revenue are improving their profitability—a sign of operational excellence and competitive strength.
Year-over-year growth rates for revenue and earnings per share
Reading the Growth Rate Chart
This chart converts the absolute per-share figures into year-over-year percentage changes, making it easy to see whether growth is accelerating, decelerating, or reverting to trend — regardless of the company's absolute size.
Revenue per Share Growth (1-year, split-adjusted) measures how quickly the top line is expanding on a per-share basis. Sustained positive growth signals that the company continues to win customers and grow its addressable market.EPS Diluted Growth (1-year, split-adjusted) measures how quickly earnings are compounding for each shareholder. When EPS growth consistently outpaces revenue growth, operating leverage and margin expansion are at work.
Look for consistency, not just magnitude. A company that reliably grows EPS 10–15% per year is far more valuable than one that alternates between 50% spikes and deep contractions. Negative EPS growth during a period of positive revenue growth is a red flag — costs are rising faster than sales. Quarters where both lines converge near zero or go negative deserve close scrutiny.
How revenue converts to net income for the most recent annual period
Period Information
Report Type: Annual (10-K)
Period: Jan 2025 to Dec 2025
Revenue composition by disclosure category for the latest period
Product sales of cleaning, sanitizing, disinfecting, and water treatment chemistries and specialty chemicals across multiple end-use applications (including industrial water treatment, process chemistry, food processing sanitation, institutional cleaning, and life sciences contamination control).
Sales of equipment and systems used to dispense, monitor, and control product application, including digitally enabled dispensers, chemical injectors, clean-in-place systems, process control and monitoring equipment, and lease programs for dishwashing machines with associated maintenance.
Service revenues from on-site programs and technical services, including water treatment programs, process optimization programs, installation and engineering of facility cleaning systems, custom on-site evaluations, training and quality assurance services, decontamination services using hydrogen peroxide vapor, and pest elimination services.
Sales of specialized products and materials for targeted applications, including antimicrobial products for direct food-contact processing, premium purification resins and fluid treatment solutions, membrane treatments, coagulants, flocculants, and other specialty process aids.
Digital platform offerings and associated services that combine software, hardware and services to automate procedures and support food safety and compliance in foodservice operations.
Revenues from distributors and third-party channels for selected product lines in certain markets.
Large industrial customers in manufacturing, food and beverage processing, transportation, chemical, primary metals and mining, power generation, refining, petrochemical, and pulp and paper industries.
Food processing customers including dairy plants, meat and poultry processors, breweries, and bottling plants.
Institutional customers including commercial buildings, hospitals, universities, hotels, and other hospitality and healthcare institutions.
Quick service restaurant chains, regional and national QSR franchisees, and food retailers such as supermarkets and grocery stores.
Foodservice operators and chain customers served through corporate account relationships and field-level program support.
Pharmaceutical, biopharma, personal care, animal health, blood purification and dialysis, cosmetics and medical device manufacturers as customers of contamination control, cleaning, and purification solutions.
Commercial segments served by pest elimination, including restaurants, food processors, hotels, grocery operations, education, life sciences, and healthcare.
Independent, third-party distributors, dealers and licensees serving certain markets and farm customers.
Global operations with direct operations in numerous countries outside the United States through wholly-owned subsidiaries and, in some cases, joint ventures or partnerships with local partners.
Regional operations explicitly identified in several areas including Asia Pacific, Greater China, Western Europe and Latin America.
Export and distributor-based sales in additional countries where selected products are sold through export operations to distributors, agents or licensees.
Primary marketing and sales by Company-trained direct field sales personnel and corporate account sales personnel who establish relationships and negotiate contracts with larger multi-unit or chain customers.
Use of independent, third-party distributors, broad-line distributors, foodservice distributors, healthcare and janitorial distributors, and dealers in various markets for logistics and to reach end customers.
Corporate account sales force and field sales force models used to manage national, regional and local customer relationships, particularly for QSR and food retail customers.
Product deliveries from Company manufacturing plants, a network of distribution centers, and third-party logistics service providers using common carriers, Company delivery vehicles, and distributors.
The filing states that the majority of revenue across several reportable segments is from product and sold equipment and is recognized at a point in time when contractual obligations are satisfied, indicating transactional revenue characteristics for those product sales.
Pest elimination revenue is stated to be majority services and is recognized over time as services are provided, indicating recurring or service-based revenue recognition for that segment.
The business includes lease programs for equipment that include full machine maintenance and on-site service programs, and digital monitoring and dispensing systems combined with on-site service expertise, which are described as part of customer programs and support ongoing customer relationships.
Reliance on a mix of direct customers and independent, third-party distributors; the loss of certain customers or distributors could have a material adverse effect on results of operations for affected periods.
Specialty’s business is described as largely dependent upon a limited number of major quick service restaurant chains, franchisees and large food retail customers.
Use of joint ventures or partnerships in certain countries to meet local ownership requirements or to expand geographic reach.
Dependence on manufacturing facilities and third-party contract manufacturers and suppliers for production and on a global sourcing approach for raw materials and components.
Regulatory dependencies for certain product categories (including pesticide/biocide registrations, chemical regulations, medical device and pharmaceutical product requirements) that affect the ability to sell or the form of products in particular jurisdictions.
Reliance on investments in sales, technical support, and localized operations to support international growth and to manage margins where distribution or scale differ by geography.
Analyzing long-term margin stability and competitive positioning
Over the past five quarters ECOLAB INC. shows a steady upward trend in gross and operating margins and relatively stable net margins. Gross margin has moved from 43.5% at 2024-12-31 to 44.5% at 2025-12-31, rising each quarter through 2025. Operating margin has likewise climbed from 16.6% to 18.0% over the same window. Net profit margin has been around the mid-teens percentage range, with a dip to 12.5% in 2025-09-30 before recovering to 12.9% in the latest quarter.
There are notable outliers in early-to-mid 2024 (periods ending 2024-03-31, 2024-06-30 and 2024-09-30) where gross and operating margins were extremely negative and net margins exceptionally positive; subsequent quarters from 2024-12-31 onward return to more consistent, pre-anomaly ranges. The most recent gross margin was 44.5%, the most recent operating margin was 18.0%, and the most recent net profit margin was 12.9%.
Understanding Profit Margins
Between Jan 2025 and Dec 2025, Ecolab Inc converts every dollar of revenue through the following stages:
Sustainable competitive advantages reveal themselves through consistently superior profit margins over extended periods. Companies with durable economic moats maintain pricing power and operational efficiency that competitors struggle to match.
A sign of durable competitive advantage is earning sustained higher margins than competitors.Look for margins that remain stable or improve over time, especially during economic downturns. Declining margins may signal increasing competition, pricing pressure, or deteriorating business fundamentals.
Comparing reported earnings to actual cash generation
Over the multi-year series, ECOLAB INC.'s trailing twelve‑month operating cash flow has generally exceeded trailing twelve‑month net income, rising from the low‑to‑mid single‑billion range in earlier years to higher levels by 2024–2025. Operating cash flow climbed from roughly $1.79B (2022‑12) and multiple points near $2.4–$2.9B in 2019–2024 to a recent peak, while net income moved upward from roughly $1.09B (2022‑12) and below $1.6B in earlier years to a range around $2.0–$2.1B more recently. The gap between operating cash flow and net income widened in 2023–2024 as cash flow increased faster than reported earnings.
Focusing on the latest quarters, operating cash flow showed a dip from $2.81B at 2024‑12 to $2.53B at 2025‑03, then recovered through 2025 to $2.95B at 2025‑12. Trailing net income was relatively stable around $2.10–$2.14B in early 2025, slipped to $1.98B at 2025‑09, and rose to $2.08B by 2025‑12. As of the most recent period, trailing twelve‑month operating cash flow exceeded trailing twelve‑month net income by about $0.87B. The most recent trailing twelve‑month operating cash flow was $2.95B and the most recent trailing twelve‑month net income was $2.08B.
The Earnings vs. Cash Flow Gap
Reported earnings (Net Income) doesn't always reflect actual cash generation. Companies use accrual accounting, which recognizes revenue when earned and expenses when incurred—not when cash actually changes hands. This creates timing differences and opportunities for accounting discretion that can mask underlying business health.
Net Income (the "earnings" number) can be influenced by non-cash items like depreciation, stock-based compensation, and changes in accounting estimates.Operating Cash Flow, however, shows the actual cash the business generates from its core operations—a harder number to manipulate.
What to Look For
Key Insight: Companies with durable competitive advantages typically show operating cash flow that meets or exceeds net income over time, demonstrating they convert accounting profits into actual cash that can be returned to shareholders or reinvested in the business.
Measuring management's efficiency at generating profits from shareholder capital
ECOLAB INC.'s ROE climbed through 2023 and into 2024, moving from 17.1% at 2023-12-31 to 24.1% at 2024-12-31, then moderated in 2025 to 20.4% at 2025-09-30 and 21.2% at 2025-12-31. The most recent sequence shows a peak at year-end 2024 followed by a modest pullback into the low 20% range across 2025, with the latest quarters weighted toward sustained high-teens to low-20s performance.
Over the longer series, ROE has been broadly higher since mid-decade, frequently in the mid-to-high teens and around 18–20% for many periods; there are earlier notable inflection points including very high readings in 2009–2010 (above 30%) and a low period in 2011–2013 (single-digit to low-teens). The most recent trailing twelve-month Return on Equity (ROE) was 21.2%.
The Gold Standard of Profitability
Return on Equity (ROE) is a powerful measure of how effectively a company's management is using the money shareholders have invested. Calculated by dividing Net Income by Shareholders' Equity, it reveals how much profit is generated for every dollar of equity capital.
A consistently high ROE (typically above 15-20%) is often the signature of a "quality" business with a durable competitive advantage. It indicates that the company can generate high returns on its own capital, which it can then reinvest at these high rates to compound value over time.
What to Look For:
How the company generates and deploys its cash
Over the past several trailing twelve-month periods, ECOLAB INC.'s operating cash flow has shown a generally rising profile, moving from roughly $1.8B in 2022 to a run-rate near $2.6–2.9B through 2023–2025 and reaching $2.95B as of the 2025-12-31 TTM. Investing cash flow has been consistently negative, with very large outflows in 2021–2022 (around -$4.5B) before moderating in 2023–mid-2025; the most recent TTM shows a renewed increase in outflows to -$2.84B. Financing cash flow shifted from sizable positive inflows in 2021–2022 to persistent net outflows from 2023 onward, with large negative spikes in 2024 and more moderate but still negative TTM values in 2025–Q1 2026.
In the most recent quarters, operating cash has remained the dominant positive contributor, investing outflows expanded again to support activities in the latest TTM, and financing activity remains a net use of cash. The latest observed values are: Operating Cash Flow (TTM) $2.95B (period end 2025-12-31); Investing Cash Flow (TTM) -$2.84B (period end 2026-03-31); Financing Cash Flow (TTM) -$837.5M (period end 2026-03-31).
Understanding Company Strategy
Capital allocation refers to how management decides to spend and invest the company's cash. Analyzing the three primary categories of cash flow reveals a company's true operational strategy:
What to look for: Is the company bootstrapping (funding growth solely from operating cash)? Are they borrowing to fund aggressive expansion or dividends? Or are they capital raising by issuing new shares, potentially diluting your ownership? A healthy, mature company typically generates strong operating cash, moderately invests in growth, and returns the surplus to shareholders through financing activities.
Net assets attributable to each share — the accounting floor of intrinsic value
Why Book Value per Share Matters
Book value per share is the net worth of the company — total assets minus total liabilities — divided by shares outstanding (split-adjusted). It represents the theoretical liquidation value per share if every asset were sold and every liability repaid at balance-sheet carrying values. It is the accounting foundation upon which much of equity valuation is built.
A steadily rising book value per share is one of the most reliable signals of compounding wealth creation. It means the company is retaining earnings and building net worth faster than it is returning capital or eroding it. Warren Buffett famously tracked Berkshire Hathaway's book value per share for decades as his primary measure of intrinsic value growth.
Context is essential. Asset-heavy businesses (banks, manufacturers, utilities) should be judged by book value more directly than asset-light businesses (software, consumer brands), where intangible assets like intellectual property and customer loyalty may far exceed their balance-sheet carrying values. A company trading at a large premium to book value is not necessarily overvalued — it may simply possess competitive advantages that accounting rules do not capture. Conversely, a declining book value per share — especially over multiple years — is a serious warning sign of capital destruction.
How much of the company is financed by debt versus shareholders' equity
Reading the Debt-to-Equity Ratio
The debt-to-equity (D/E) ratio compares total financial debt to shareholders' equity. A ratio of 1.0 means the company has borrowed one dollar for every dollar of equity; a ratio of 2.0 means it has borrowed twice as much as it owns. Financial leverage amplifies both returns and risk: in good times, debt turbocharges equity returns; in bad times, it accelerates losses and can threaten solvency.
Trends matter more than a single number. A rising D/E ratio can mean the company is taking on debt to fund growth — potentially value-creating if returns exceed the cost of capital. But it can also mean equity is being eroded through losses or that the business is borrowing simply to sustain operations. A falling D/E ratio generally reflects strengthening financial health: earnings are being retained, debt maturities are being paid down, or both.
Industry norms vary enormously. Capital-intensive sectors (utilities, real estate, financials) routinely carry high D/E ratios that would be alarming in, say, a technology company. Always compare against sector peers. As a rough rule of thumb, a D/E above 2× in a cyclical business warrants careful scrutiny of interest coverage and refinancing risk.
Short-term liquidity — can the company cover its near-term obligations?
Liquidity: Can the Business Pay Its Bills?
The current ratio is calculated as current assets divided by current liabilities. A ratio of 1.5 means the company has $1.50 of short-term assets — cash, receivables, inventory — for every $1.00 of obligations due within the next twelve months. It is the most direct measure of near-term financial resilience: can the business meet its obligations without needing to raise new capital or sell long-term assets at a discount?
A ratio above 1.0 is generally healthy, meaning current assets exceed current liabilities. A ratio consistently above 2.0 may indicate the company is holding excess cash or inventory that could be deployed more productively. A ratio below 1.0 is a warning sign — the company is relying on future cash generation or external financing to cover its near-term obligations, which is manageable in normal conditions but dangerous during a downturn.
Trends and context matter.A declining current ratio isn't always alarming — highly efficient businesses (e.g., large retailers with reliable daily cash flows) often run leaner balance sheets intentionally. Conversely, a rapidly rising current ratio can signal slowing sales causing inventory to build, or customers taking longer to pay. Always compare the trend against industry peers and cross-reference with the cash flow statement to assess whether the business is genuinely liquid or just holding non-cash current assets.
How much the market is paying for each dollar of company earnings
Over the past year ECOLAB INC.'s trailing twelve‑month P/E showed a decline into late 2024 followed by a rebound through 2025: it moved from 41.9x (2024-03) down to 31.6x (2024-12), then rose to 39.4x (2025-09) and settled at 36.1x in the most recent quarter. The most recent movement reflects a recovery from the late‑2024 trough with a modest pullback in the latest quarter.
The longer series in the chart shows earlier higher spikes (notably 62.7x at 2020-12 and 59.2x at 2021-12) and lower readings in earlier years (for example 19.9x at 2010-06). The most recent P/E ratio was 36.1x.
What Is the PE Ratio?
The Price-to-Earnings (PE) ratio is one of the most widely used valuation metrics in investing. It divides the current stock price by the company's earnings per share (EPS), revealing how much investors are willing to pay for each dollar of earnings. A high PE can signal that the market expects strong future growth, while a low PE may suggest undervaluation—or reflect genuine concerns about the company's prospects.
Context matters:PE ratios vary significantly across industries. High-growth technology companies routinely trade at PE ratios above 30x or 40x, while mature, low-growth sectors like utilities or financials often trade closer to 10–15x. Always compare a company's PE to its own history and its industry peers, not just an absolute number.
What to Look For:
Key Insight:The PE ratio is a snapshot of market sentiment and expectations. Tracking it over time alongside earnings trends reveals whether the market's valuation has expanded or contracted—and whether that change is justified by fundamentals.