UG vs LIQT vs NTIC vs ECL

For growth investors, LiqTech International, Inc.

(LIQT) is the stronger pick with 13. 0% revenue growth year-over-year, versus -13. 4% for United-Guardian, Inc. (UG). United-Guardian, Inc. (UG) offers the better valuation at 15. 2x trailing P/E, making it the more compelling value choice. Analysts rate Ecolab Inc. (ECL) a "Buy" — based on 37 analyst ratings — the highest consensus in this comparison. The "better buy" depends entirely on your goals: growth investors should weight revenue trajectory, value investors should weight P/E and PEG, and income investors should weight dividend yield and streak.

On trailing P/E, United-Guardian, Inc.

(UG) is the cheapest at 15. 2x versus Northern Technologies International Corporation at 4438. 9x.

Over the past 5 years, Ecolab Inc.

(ECL) delivered a total return of +17. 3%, compared to -96. 1% for LiqTech International, Inc. (LIQT). Over 10 years, the gap is even starker: ECL returned +139. 5% versus LIQT's -90. 9%. Past returns do not guarantee future results, and the stock with the higher historical return may already have its best growth priced in.

By beta (market sensitivity over 5 years), United-Guardian, Inc.

(UG) is the lower-risk stock at 0. 33β versus Ecolab Inc. 's 0. 63β — meaning ECL is approximately 88% more volatile than UG relative to the S&P 500. On balance sheet safety, Northern Technologies International Corporation (NTIC) carries a lower debt/equity ratio of 17% versus 117% for LiqTech International, Inc. — giving it more financial flexibility in a downturn.

By revenue growth (latest reported year), LiqTech International, Inc.

(LIQT) is pulling ahead at 13. 0% versus -13. 4% for United-Guardian, Inc. (UG). On earnings-per-share growth, the picture is similar: LiqTech International, Inc. grew EPS 45. 7% year-over-year, compared to -99. 7% for Northern Technologies International Corporation. Over a 3-year CAGR, NTIC leads at 4. 3% annualised revenue growth. Higher growth typically commands a higher valuation multiple — check whether the premium P/E or P/S is justified by the growth rate using the PEG ratio.

United-Guardian, Inc.

(UG) is the more profitable company, earning 20. 0% net margin versus -51. 7% for LiqTech International, Inc. — meaning it keeps 20. 0% of every revenue dollar as bottom-line profit. Operating margin tells a similar story: UG leads at 21. 3% versus -50. 3% for LIQT. At the gross margin level — before operating expenses — UG leads at 47. 7%, reflecting greater pricing power or product mix advantage. Stronger margins indicate durable pricing power, lower cost of revenue, or higher mix of software/services. They are one of the clearest signs of business quality.

In this comparison, UG (8.

6% yield), NTIC (2. 0% yield), ECL (1. 0% yield) pay a dividend. LIQT does not pay a meaningful dividend and should not be held primarily for income.

For long-horizon retirement investors, United-Guardian, Inc.

(UG) is the stronger choice — it scores higher on the combination of lower volatility, dividend reliability, and long-term compounding (low volatility (β 0. 33), 8. 6% yield). Both have compounded well over 10 years (UG: -12. 1%, LIQT: -90. 9%), confirming both are viable long-term holds — but the lower-volatility option typically results in less emotional selling during corrections. Retirement portfolios generally favour predictability over maximum returns. Consult a financial advisor before making allocation decisions.

These companies operate in different sectors (UG (Consumer Defensive) and LIQT (Industrials) and NTIC (Basic Materials) and ECL (Basic Materials)), which means they face different economic cycles, regulatory environments, and macro sensitivities — making direct comparison nuanced.

In terms of investment character: UG is a small-cap deep-value stock; LIQT is a small-cap quality compounder stock; NTIC is a small-cap quality compounder stock; ECL is a mid-cap quality compounder stock. UG, NTIC, ECL pay a dividend while LIQT does not, making them suitable for different income and tax situations. These fundamental differences mean investors should not choose between them on a single metric — the "better stock" depends entirely on which of these characteristics aligns with your investment strategy.