United Kingdom

Top 4 largest UK Companies in the Conglomerates industry by Market Cap

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

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Top Conglomerates Companies from the United Kingdom as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 Halma plc $17.78 B United Kingdom UK Industrials UK Conglomerates
2 Wilmington plc $373.6 M United Kingdom UK Industrials UK Conglomerates
3 Ramsdens Holdings plc $167.6 M United Kingdom UK Industrials UK Conglomerates
4 PHSC plc $1.5 M United Kingdom UK Industrials UK Conglomerates

Top Conglomerates Companies from the United Kingdom as of Jan. 01, 2026

1. Halma plc

Company Profile: Halma plc
Market Cap (USD): $17.78 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Conglomerates

2. Wilmington plc

Company Profile: Wilmington plc
Market Cap (USD): $373.6 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Conglomerates

3. Ramsdens Holdings plc

Company Profile: Ramsdens Holdings plc
Market Cap (USD): $167.6 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Conglomerates

4. PHSC plc

Company Profile: PHSC plc
Market Cap (USD): $1.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Conglomerates

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