United Kingdom

Top 6 largest UK Companies in the Utilities—Diversified industry by Market Cap

This is the list of the largest public listed companies in the Utilities—Diversified industry from the United Kingdom by market capitalization with links to their reference stock.

United Kingdom Utilities—Diversified Industry Analysis
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Top Utilities—Diversified Companies from the United Kingdom as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 National Grid plc $77.12 B United Kingdom UK Utilities UK Utilities—Diversified
2 SSE plc $35.96 B United Kingdom UK Utilities UK Utilities—Diversified
3 Centrica plc $10.65 B United Kingdom UK Utilities UK Utilities—Diversified
4 Telecom Plus plc $1.44 B United Kingdom UK Utilities UK Utilities—Diversified
5 Yü Group plc $359.4 M United Kingdom UK Utilities UK Utilities—Diversified
6 Invinity Energy Systems plc $153.1 M United Kingdom UK Utilities UK Utilities—Diversified

Top Utilities—Diversified Companies from the United Kingdom as of Jan. 01, 2026

1. National Grid plc

Company Profile: National Grid plc
Market Cap (USD): $77.12 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

2. SSE plc

Company Profile: SSE plc
Market Cap (USD): $35.96 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

3. Centrica plc

Company Profile: Centrica plc
Market Cap (USD): $10.65 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

4. Telecom Plus plc

Company Profile: Telecom Plus plc
Market Cap (USD): $1.44 B
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

5. Yü Group plc

Company Profile: Yü Group plc
Market Cap (USD): $359.4 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

6. Invinity Energy Systems plc

Company Profile: Invinity Energy Systems plc
Market Cap (USD): $153.1 M
Country: United Kingdom
Sector: UK Utilities
Industry: UK Utilities—Diversified

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