United Kingdom

Top 16 largest UK Companies in the Electrical Equipment & Parts industry by Market Cap

This is the list of the largest public listed companies in the Electrical Equipment & Parts industry from the United Kingdom by market capitalization with links to their reference stock.

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Top Electrical Equipment & Parts Companies from the United Kingdom as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 nVent Electric plc $17.24 B United Kingdom UK Industrials UK Electrical Equipment & Parts
2 Smart Metering Systems plc $1.65 B

(Jan. 1, 2024)

 United Kingdom UK Industrials UK Electrical Equipment & Parts
3 Volex plc $1.02 B United Kingdom UK Industrials UK Electrical Equipment & Parts
4 Ceres Power Holdings plc $560.2 M United Kingdom UK Industrials UK Electrical Equipment & Parts
5 FW Thorpe plc $430.0 M United Kingdom UK Industrials UK Electrical Equipment & Parts
6 Luceco plc $269.5 M United Kingdom UK Industrials UK Electrical Equipment & Parts
7 Supreme Plc $236.5 M United Kingdom UK Industrials UK Electrical Equipment & Parts
8 Dialight plc $185.8 M United Kingdom UK Industrials UK Electrical Equipment & Parts
9 AFC Energy plc $154.3 M United Kingdom UK Industrials UK Electrical Equipment & Parts
10 Ilika plc $91.3 M United Kingdom UK Industrials UK Electrical Equipment & Parts
11 Dewhurst plc $68.3 M

(July 1, 2025)

 United Kingdom UK Industrials UK Electrical Equipment & Parts
12 eEnergy Group plc $23.2 M United Kingdom UK Industrials UK Electrical Equipment & Parts
13 Proton Motor Power Systems plc $8.1 M

(Jan. 1, 2025)

 United Kingdom UK Industrials UK Electrical Equipment & Parts
14 LPA Group plc $6.5 M United Kingdom UK Industrials UK Electrical Equipment & Parts
15 Calisen plc United Kingdom UK Industrials UK Electrical Equipment & Parts
16 Gelion plc United Kingdom UK Industrials UK Electrical Equipment & Parts

Top Electrical Equipment & Parts Companies from the United Kingdom as of Jan. 01, 2026

1. nVent Electric plc

Company Profile: nVent Electric plc
Market Cap (USD): $17.24 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

2. Smart Metering Systems plc

Company Profile: Smart Metering Systems plc
Market Cap (USD): $1.65 B (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

3. Volex plc

Company Profile: Volex plc
Market Cap (USD): $1.02 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

4. Ceres Power Holdings plc

Company Profile: Ceres Power Holdings plc
Market Cap (USD): $560.2 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

5. FW Thorpe plc

Company Profile: FW Thorpe plc
Market Cap (USD): $430.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

6. Luceco plc

Company Profile: Luceco plc
Market Cap (USD): $269.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

7. Supreme Plc

Company Profile: Supreme Plc
Market Cap (USD): $236.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

8. Dialight plc

Company Profile: Dialight plc
Market Cap (USD): $185.8 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

9. AFC Energy plc

Company Profile: AFC Energy plc
Market Cap (USD): $154.3 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

10. Ilika plc

Company Profile: Ilika plc
Market Cap (USD): $91.3 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

11. Dewhurst plc

Company Profile: Dewhurst plc
Market Cap (USD): $68.3 M (July 1, 2025)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

12. eEnergy Group plc

Company Profile: eEnergy Group plc
Market Cap (USD): $23.2 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

13. Proton Motor Power Systems plc

Company Profile: Proton Motor Power Systems plc
Market Cap (USD): $8.1 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

14. LPA Group plc

Company Profile: LPA Group plc
Market Cap (USD): $6.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

15. Calisen plc

Company Profile: Calisen plc
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

16. Gelion plc

Company Profile: Gelion plc
Country: United Kingdom
Sector: UK Industrials
Industry: UK Electrical Equipment & Parts

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