WallStSmart

National Grid PLC ADR (NGG)vsWilliams Companies Inc (WMB)

VS

Smart Verdict

WallStSmart Research — data-driven comparison

National Grid PLC ADR generates 48% more annual revenue ($17.48B vs $11.83B). WMB leads profitability with a 22.1% profit margin vs 16.4%. NGG appears more attractively valued with a PEG of 1.06. WMB earns a higher WallStSmart Score of 67/100 (B-).

NGG

Buy

50

out of 100

Grade: C-

Growth: 2.0Profit: 6.5Value: 7.3Quality: 5.5
Piotroski: 4/9Altman Z: 1.24

WMB

Strong Buy

67

out of 100

Grade: B-

Growth: 6.7Profit: 8.0Value: 9.3Quality: 3.3
Piotroski: 3/9Altman Z: 0.37
IV

Intrinsic Value Comparison

Multi-model valuation · Graham Formula

NGGSignificantly Overvalued (-235.0%)

Margin of Safety

-235.0%

Fair Value

$27.06

Current Price

$84.29

$57.23 premium

UndervaluedFair: $27.06Overvalued
WMBUndervalued (+29.0%)

Margin of Safety

+29.0%

Fair Value

$100.15

Current Price

$73.81

$26.34 discount

UndervaluedFair: $100.15Overvalued

Key Strengths & Concerns

Side-by-side fundamental analysis

Key Strengths

NGG2 strengths · Avg: 8.5/10
Market CapQuality
$81.59B9/10

Large-cap with strong market position

Operating MarginProfitability
24.1%8/10

Strong operational efficiency at 24.1%

WMB4 strengths · Avg: 9.5/10
Operating MarginProfitability
41.2%10/10

Strong operational efficiency at 41.2%

EPS GrowthGrowth
50.8%10/10

Earnings expanding 50.8% YoY

Market CapQuality
$90.96B9/10

Large-cap with strong market position

Profit MarginProfitability
22.1%9/10

Keeps 22 of every $100 in revenue as profit

Areas to Watch

NGG4 concerns · Avg: 3.0/10
Price/BookValuation
8.4x4/10

Trading at 8.4x book value

Return on EquityProfitability
7.9%3/10

ROE of 7.9% — below average capital efficiency

Debt/EquityHealth
1.233/10

Elevated debt levels

Revenue GrowthGrowth
-11.3%2/10

Revenue declined 11.3%

WMB4 concerns · Avg: 3.3/10
PEG RatioValuation
2.474/10

Expensive relative to growth rate

P/E RatioValuation
34.8x4/10

Premium valuation, high expectations priced in

Piotroski F-ScoreQuality
3/93/10

Weak financial health signals

Free Cash FlowQuality
$-485.00M2/10

Negative free cash flow — burning cash

Comparative Analysis Report

WallStSmart Research

Bull Case : NGG

The strongest argument for NGG centers on Market Cap, Operating Margin. Profitability is solid with margins at 16.4% and operating margin at 24.1%. PEG of 1.06 suggests the stock is reasonably priced for its growth.

Bull Case : WMB

The strongest argument for WMB centers on Operating Margin, EPS Growth, Market Cap. Profitability is solid with margins at 22.1% and operating margin at 41.2%.

Bear Case : NGG

The primary concerns for NGG are Price/Book, Return on Equity, Debt/Equity.

Bear Case : WMB

The primary concerns for WMB are PEG Ratio, P/E Ratio, Piotroski F-Score.

Key Dynamics to Monitor

NGG profiles as a declining stock while WMB is a mature play — different risk/reward profiles.

WMB carries more volatility with a beta of 0.65 — expect wider price swings.

WMB is growing revenue faster at 8.7% — sustainability is the question.

WMB generates stronger free cash flow (-485M), providing more financial flexibility.

Bottom Line

WMB scores higher overall (67/100 vs 50/100), backed by strong 22.1% margins. Both earn "Strong Buy" and "Buy" ratings respectively — the choice depends on your investment horizon and risk tolerance.

This analysis is generated from publicly available financial data. Not financial advice.

National Grid PLC ADR

UTILITIES · UTILITIES - REGULATED ELECTRIC · USA

National Grid plc transmits and distributes electricity and natural gas. The company is headquartered in London, the United Kingdom.

Visit Website →

Williams Companies Inc

ENERGY · OIL & GAS MIDSTREAM · USA

The Williams Companies, Inc., is an American energy company based in Tulsa, Oklahoma. Its core business is natural gas processing and transportation, with additional petroleum and electricity generation assets.

Want to dig deeper into these stocks?