United Kingdom

Top 13 largest UK Companies in the Aerospace & Defense industry by Market Cap

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

United Kingdom Aerospace & Defense Industry Analysis
Top UK Companies United Kingdom Analysis
World Top Companies World Companies Analysis

Top Aerospace & Defense Companies from the United Kingdom as of Jul. 01, 2025

Download Excel

Rank Company Market Cap (USD) Country Sector Industry
1 Rolls-Royce Holdings plc $108.29 B United Kingdom UK Industrials UK Aerospace & Defense
2 BAE Systems plc $75.42 B United Kingdom UK Industrials UK Aerospace & Defense
3 QinetiQ Group plc $3.76 B United Kingdom UK Industrials UK Aerospace & Defense
4 Ultra Electronics Holdings plc $3.04 B

(July 1, 2022)

 United Kingdom UK Industrials UK Aerospace & Defense
5 Chemring Group plc $2.09 B United Kingdom UK Industrials UK Aerospace & Defense
6 Senior plc $1.05 B United Kingdom UK Industrials UK Aerospace & Defense
7 Cohort plc $967.3 M United Kingdom UK Industrials UK Aerospace & Defense
8 Avon Protection plc $810.0 M United Kingdom UK Industrials UK Aerospace & Defense
9 Avon Rubber plc $805.9 M United Kingdom UK Industrials UK Aerospace & Defense
10 MS INTERNATIONAL plc $262.5 M United Kingdom UK Industrials UK Aerospace & Defense
11 Amedeo Air Four Plus Ltd $207.4 M United Kingdom UK Industrials UK Aerospace & Defense
12 Velocity Composites plc $21.6 M United Kingdom UK Industrials UK Aerospace & Defense
13 Harland & Wolff Group Holdings Plc United Kingdom UK Industrials UK Aerospace & Defense

Top Aerospace & Defense Companies from the United Kingdom as of Jul. 01, 2025

1. Rolls-Royce Holdings plc

Company Profile: Rolls-Royce Holdings plc
Market Cap (USD): $108.29 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

2. BAE Systems plc

Company Profile: BAE Systems plc
Market Cap (USD): $75.42 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

3. QinetiQ Group plc

Company Profile: QinetiQ Group plc
Market Cap (USD): $3.76 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

4. Ultra Electronics Holdings plc

Company Profile: Ultra Electronics Holdings plc
Market Cap (USD): $3.04 B (July 1, 2022)
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

5. Chemring Group plc

Company Profile: Chemring Group plc
Market Cap (USD): $2.09 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

6. Senior plc

Company Profile: Senior plc
Market Cap (USD): $1.05 B
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

7. Cohort plc

Company Profile: Cohort plc
Market Cap (USD): $967.3 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

8. Avon Protection plc

Company Profile: Avon Protection plc
Market Cap (USD): $810.0 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

9. Avon Rubber plc

Company Profile: Avon Rubber plc
Market Cap (USD): $805.9 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

10. MS INTERNATIONAL plc

Company Profile: MS INTERNATIONAL plc
Market Cap (USD): $262.5 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

11. Amedeo Air Four Plus Ltd

Company Profile: Amedeo Air Four Plus Ltd
Market Cap (USD): $207.4 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

12. Velocity Composites plc

Company Profile: Velocity Composites plc
Market Cap (USD): $21.6 M
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

13. Harland & Wolff Group Holdings Plc

Company Profile: Harland & Wolff Group Holdings Plc
Country: United Kingdom
Sector: UK Industrials
Industry: UK Aerospace & Defense

Stay in touch