United Kingdom

Top 18 largest UK Companies in the Software—Infrastructure industry by Market Cap

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

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Top Software—Infrastructure Companies from the United Kingdom as of Jan. 01, 2026

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Rank Company Market Cap (USD) Country Sector Industry
1 Darktrace plc $5.15 B

(July 1, 2024)

 United Kingdom UK Technology UK Software—Infrastructure
2 Micro Focus International plc $2.16 B

(Jan. 1, 2023)

 United Kingdom UK Technology UK Software—Infrastructure
3 Blue Prism Group plc $1.66 B

(March 1, 2022)

 United Kingdom UK Technology UK Software—Infrastructure
4 Spirent Communications plc $1.53 B

(July 1, 2025)

 United Kingdom UK Technology UK Software—Infrastructure
5 Equiniti Group plc $896.8 M

(Dec. 1, 2021)

 United Kingdom UK Technology UK Software—Infrastructure
6 Panariagroup Industrie Ceramiche SpA $770.3 M

(July 1, 2025)

 United Kingdom UK Technology UK Software—Infrastructure
7 Endava plc $330.9 M United Kingdom UK Technology UK Software—Infrastructure
8 Beeks Trading Corporation Ltd. $213.0 M United Kingdom UK Technology UK Software—Infrastructure
9 Blancco Technology Group plc $176.0 M

(July 1, 2023)

 United Kingdom UK Technology UK Software—Infrastructure
10 Corero Network Security plc $65.8 M United Kingdom UK Technology UK Software—Infrastructure
11 Insig AI Plc $37.0 M United Kingdom UK Technology UK Software—Infrastructure
12 iomart Group plc $26.7 M United Kingdom UK Technology UK Software—Infrastructure
13 SysGroup plc $18.0 M United Kingdom UK Technology UK Software—Infrastructure
14 Shearwater Group plc $14.3 M United Kingdom UK Technology UK Software—Infrastructure
15 Catenae Innovation plc $4.6 M United Kingdom UK Technology UK Software—Infrastructure
16 CloudCoCo Group plc $1.4 M United Kingdom UK Technology UK Software—Infrastructure
17 Arqit Quantum, Inc. United Kingdom UK Technology UK Software—Infrastructure
18 W.A.G payment solutions plc United Kingdom UK Technology UK Software—Infrastructure

Top Software—Infrastructure Companies from the United Kingdom as of Jan. 01, 2026

1. Darktrace plc

Company Profile: Darktrace plc
Market Cap (USD): $5.15 B (July 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

2. Micro Focus International plc

Company Profile: Micro Focus International plc
Market Cap (USD): $2.16 B (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

3. Blue Prism Group plc

Company Profile: Blue Prism Group plc
Market Cap (USD): $1.66 B (March 1, 2022)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

4. Spirent Communications plc

Company Profile: Spirent Communications plc
Market Cap (USD): $1.53 B (July 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

5. Equiniti Group plc

Company Profile: Equiniti Group plc
Market Cap (USD): $896.8 M (Dec. 1, 2021)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

6. Panariagroup Industrie Ceramiche SpA

Company Profile: Panariagroup Industrie Ceramiche SpA
Market Cap (USD): $770.3 M (July 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

7. Endava plc

Company Profile: Endava plc
Market Cap (USD): $330.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

8. Beeks Trading Corporation Ltd.

Company Profile: Beeks Trading Corporation Ltd.
Market Cap (USD): $213.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

9. Blancco Technology Group plc

Company Profile: Blancco Technology Group plc
Market Cap (USD): $176.0 M (July 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

10. Corero Network Security plc

Company Profile: Corero Network Security plc
Market Cap (USD): $65.8 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

11. Insig AI Plc

Company Profile: Insig AI Plc
Market Cap (USD): $37.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

12. iomart Group plc

Company Profile: iomart Group plc
Market Cap (USD): $26.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

13. SysGroup plc

Company Profile: SysGroup plc
Market Cap (USD): $18.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

14. Shearwater Group plc

Company Profile: Shearwater Group plc
Market Cap (USD): $14.3 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

15. Catenae Innovation plc

Company Profile: Catenae Innovation plc
Market Cap (USD): $4.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

16. CloudCoCo Group plc

Company Profile: CloudCoCo Group plc
Market Cap (USD): $1.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

17. Arqit Quantum, Inc.

Company Profile: Arqit Quantum, Inc.
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

18. W.A.G payment solutions plc

Company Profile: W.A.G payment solutions plc
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

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