ECL vs ROL: Which Is the Better Buy in 2026?

Last updated August 2026

Short answer

ECL is the larger of the two ($78.14B market cap): the incumbent the market prices for continued execution (29.42x forward earnings, beta 0.89). ROL is the smaller challenger ($18.27B), priced similarly on forward earnings (28.94x): more room to run, but more to prove. The real question is which set of drivers you believe, and whether owning one (or both) leaves you over-concentrated.

ECL vs ROL: the tie-breaker metrics

Same yardstick, side by side (as of August 2026). Valuation lined up like this is most meaningful for two names in the same corner of the market, which these are. Figures are approximate; verify before investing.

MetricECLROLWhat it tells you
Market cap$78.14B$18.27BSize. The larger name is the incumbent; the smaller has more room to grow and more to prove.
Forward P/E29.4228.94Valuation on next year's expected earnings, the same yardstick for both. Lower is cheaper for that growth; higher means the market is paying up.
Trailing P/E37.3234.52Valuation on the last 12 months. A big drop from trailing to forward means the market expects earnings to jump, so more growth is already in the price.
Beta0.890.75Volatility vs the market. Above 1 swings harder than the index; below 1 is steadier. Higher beta means bigger drawdowns to hold through.
Price vs 52-week range52% of range5% of rangeWhere today's price sits between the 52-week low and high. Near the high is momentum with less margin of safety; near the low is out of favor or a discount, depending on why.

Before you buy: how ECL and ROL affect your concentration

The metrics above tell you which is the marginally better business. The bigger risk for most people is not picking the slightly worse stock, it is over-concentrating. ECL and ROL share themes, so owning both, or adding either to what you already hold, can quietly push a large share of your portfolio into one bet.

This is the part a generic comparison page cannot answer, because it depends on what you own. Connect your brokerage and Walnut shows your real, combined ECL and ROL exposure, flags overlap with your existing positions, and tells you if adding one would tip you past a concentration you are comfortable with, read-only by default, with your login staying at your broker. Walnut is not an investment adviser.

What does Ecolab (ECL) do?

Ecolab is the global leader in water treatment, hygiene, and infection-prevention solutions, serving customers across foodservice, hospitality, healthcare, food and beverage processing, manufacturing, and increasingly high-tech and data-center cooling. The business is built on a razor-and-blade model: Ecolab places dispensing equipment and sensors on-site, then sells the recurring chemicals, service, and software that keep those systems running. Following a 2025 segment reorganization, the company reports through Global Water (formerly Global Industrial), Global Institutional and Specialty, Global Life Sciences, and Global Pest Elimination, with faster-growing units like Life Sciences, Pest Elimination, Global High-Tech, and Ecolab Digital called out as growth engines.

Full ECL guide

What does Rollins (ROL) do?

Rollins, Inc. is a US-based consumer and commercial services company that provides pest and termite control through a family of brands led by Orkin, alongside HomeTeam Pest Defense, Clark Pest Control, Fox Pest Control, Critter Control, Trutech, and many others across the US, Canada, Australia, and other markets. The business is built on recurring, contract-based service routes: residential pest control, commercial pest control, and termite and ancillary services, with a large share of revenue tied to repeat visits that give it visibility and pricing power. Rollins grows both organically (price and new customers) and through a steady stream of small tuck-in acquisitions of local operators in a highly fragmented industry.

Full ROL guide

ECL vs ROL: how do they differ?

Both fit overlapping themes, but they are not interchangeable. The useful comparison is which set of drivers and risks you want exposure to.

  • ECL drivers: Recurring razor-and-blade model; Water scarcity and hygiene secular demand.
  • ROL drivers: Recurring, non-discretionary demand; Acquisition roll-up in a fragmented market.

Which fits which kind of investor

A faster-growing, richer-valued name usually swings harder, so it suits a longer horizon and a higher tolerance for volatility; a steadier, more cash-generative business suits a more conservative or income-minded investor. The honest test is which set of risks you could hold through a drawdown: The most cited risk is valuation: ECL trades at a high price-to-earnings multiple, so slower growth or a guidance miss can pressure the stock even when the underlying business is healthy. For ROL, valuation is the central risk: ROL trades at a premium earnings multiple (well above the broader market) that already assumes years of consistent growth, so any slowdown could compress the multiple sharply.

ECL or ROL: which should you pick?

Growth-minded investors who believe the theme has years to run tend to accept the richer multiple for more upside; value-minded investors lean toward the cheaper forward earnings and steadier profile. Pick ECL if you believe its drivers more; ROL if you believe its. Many investors hold both, but since they share themes, that is a concentrated bet, not diversification. Decide deliberately and check overlap. For the full detail, see the ECL and ROL guides.

ECL vs ROL: the full fundamentals

ECL. Ecolab carries a premium valuation, with a trailing P/E in the mid-30s and a forward P/E around 31, reflecting investor confidence in its recurring model and steady growth. Management's FY2026 framework calls for 9 to 11 percent reported sales growth and 12 to 15 percent adjusted EPS growth, supported by pricing, digital, and the pending CoolIT and Ovivo acquisitions. Figures are approximate and move with each quarterly report and share-price changes.

ROL. Rollins grew FY2025 revenue about 11% to roughly $3.8 billion, with organic growth near 7% and the rest from acquisitions, and carried that momentum into Q1 2026 with about 10% growth. Profitability remains high but operating margin dipped year over year (to around 16% in Q1 2026) on acquisition mix and cost inflation. The stock trades at a premium valuation, with a trailing P/E in the high 30s and a forward P/E in the low 30s, reflecting its recurring-revenue quality.

Headline figures (approximate, JULY 2026): ECL shows revenue (2025) ~$16.1B, q1 2026 revenue ~$4.07B (up ~10% YoY), q1 2026 eps ~$1.52, fy2026 eps guidance ~$8.03 to $8.23; ROL shows revenue (ttm) ~$3.9B, fy2025 revenue ~$3.8B (+11%), q1 2026 revenue ~$906M (+10.2%), market cap ~$20B.

The bottom line: ECL vs ROL

ECL and ROL are related but distinct: same themes, different businesses and risks. Neither wins in the abstract; the right pick is whichever thesis you actually believe, sized so you are not over-concentrated in one theme. Walnut can show your combined ECL and ROL exposure against your real portfolio. It is not an investment adviser.

Wondering how ECL or ROL fits the portfolio you already own? Walnut is an AI investing app that connects your brokerage read-only and answers questions like that about your actual holdings: overlap, concentration, and how each position tracks the S&P 500. Compare the best AI portfolio analyzers or see the best AI investing apps in 2026.

Investing in Ecolab with AI

Connect the broker you already use and ask Walnut's AI how ECL fits what you actually hold: whether you own it already through a fund, what it would do to your concentration, and how it has tracked the S&P 500. Read-only by default, and you approve anything before it reaches your broker.

FAQ

What is the difference between ECL and ROL?

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Ecolab is the global leader in water treatment, hygiene, and infection-prevention solutions, serving customers across foodservice, hospitality, healthcare, food and beverage processing, manufacturing, and increasingly high-tech and data-center cooling. Rollins, Inc. They show up together because they share investment themes, but they are different businesses, so the better fit depends on which thesis you are expressing.

Is ECL or ROL the better stock?

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Neither is universally better. ECL is the larger incumbent; ROL is the smaller challenger and looks cheaper on forward earnings. Walnut is informational, not investment advice. Compare what each does, the tie-breaker metrics above, and the risks, then decide which fits your thesis and what you already own.

Which is cheaper, ECL or ROL?

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On forward P/E (as of August 2026), ECL trades at 29.42x and ROL at 28.94x, so ROL is the cheaper of the two on next year's expected earnings. A lower multiple is not automatically the better buy: a richer valuation can be justified by faster growth, and a lower one can reflect real risk. Weigh the multiple against how fast each business is compounding.

Should you own both ECL and ROL?

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Because they share themes, owning both concentrates you in that theme. That can be intentional (a focused bet) or accidental (less diversification than it looks). Walnut can show your combined exposure across both, and whether adding either over-concentrates you, before you buy.

What are the risks of ECL vs ROL?

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ECL: The most cited risk is valuation: ECL trades at a high price-to-earnings multiple, so slower growth or a guidance miss can pressure the stock even when the underlying business is healthy. Roughly two-thirds of the business is tied to cyclical end markets like foodservice, hospitality, manufacturing, and industrial activity, which soften in a downturn. Raw-material and energy cost inflation can squeeze margins faster than pricing can catch up. Large acquisitions such as CoolIT and Ovivo carry integration and execution risk, and the high-tech push places the company in a faster-moving, more competitive segment. Currency swings also matter given Ecolab's global footprint. ROL: Valuation is the central risk: ROL trades at a premium earnings multiple (well above the broader market) that already assumes years of consistent growth, so any slowdown could compress the multiple sharply. Operating margins have shown some compression recently from acquisition mix and cost inflation, and a heavy reliance on M&A carries integration and overpayment risk. Organic growth can soften with a weak housing market or unusually mild weather that reduces pest activity. Competition from Rentokil (which now owns Terminix), Ecolab, Aptive, and well-funded private-equity roll-ups could pressure pricing and deal prices. Labor availability and wage inflation for technicians are ongoing cost pressures.

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Walnut is informational, not investment advice. This page is descriptive and not a recommendation to buy or sell ECL or ROL; figures are approximate and dated (as of August 2026). Verify current data before investing.

    ECL vs ROL: Which Is the Better Buy in 2026? - Walnut AI Investing App