United Kingdom

Top 142 largest UK Companies in the Technology sector by Market Cap

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

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

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Rank Company Market Cap (USD) Country Sector Industry
1 The Sage Group plc $13.49 B United Kingdom UK Technology UK Software—Application
2 Spectris plc $5.46 B

(July 1, 2025)

 United Kingdom UK Technology UK Scientific & Technical Instruments
3 Darktrace plc $5.15 B

(July 1, 2024)

 United Kingdom UK Technology UK Software—Infrastructure
4 Computacenter plc $4.12 B United Kingdom UK Technology UK Information Technology Services
5 Softcat plc $3.68 B United Kingdom UK Technology UK Information Technology Services
6 Renishaw plc $3.46 B United Kingdom UK Technology UK Scientific & Technical Instruments
7 Clarivate Plc $2.18 B United Kingdom UK Technology UK Information Technology Services
8 Micro Focus International plc $2.16 B

(Jan. 1, 2023)

 United Kingdom UK Technology UK Software—Infrastructure
9 Alphawave IP Group plc $1.89 B

(July 1, 2025)

 United Kingdom UK Technology UK Semiconductors
10 Blue Prism Group plc $1.66 B

(March 1, 2022)

 United Kingdom UK Technology UK Software—Infrastructure
11 Kainos Group plc $1.58 B United Kingdom UK Technology UK Software—Application
12 Oxford Instruments plc $1.56 B United Kingdom UK Technology UK Semiconductor Equipment & Materials
13 Spirent Communications plc $1.53 B

(July 1, 2025)

 United Kingdom UK Technology UK Software—Infrastructure
14 Ideagen plc $1.27 B

(July 1, 2022)

 United Kingdom UK Technology UK Software—Application
15 Northamber plc $1.20 B United Kingdom UK Technology UK Electronics & Computer Distribution
16 Bytes Technology Group plc $1.12 B United Kingdom UK Technology UK Software—Application
17 WANdisco plc $1.12 B

(July 1, 2023)

 United Kingdom UK Technology UK Software—Application
18 Equiniti Group plc $896.8 M

(Dec. 1, 2021)

 United Kingdom UK Technology UK Software—Infrastructure
19 SEEEN plc $840.1 M United Kingdom UK Technology UK Software—Application
20 Alfa Financial Software Holdings plc $830.8 M United Kingdom UK Technology UK Software—Application
21 GB Group plc $784.7 M United Kingdom UK Technology UK Software—Application
22 discoverIE Group plc $772.5 M United Kingdom UK Technology UK Electronic Components
23 Panariagroup Industrie Ceramiche SpA $770.3 M

(July 1, 2025)

 United Kingdom UK Technology UK Software—Infrastructure
24 FD Technologies plc $744.1 M

(July 1, 2025)

 United Kingdom UK Technology UK Information Technology Services
25 NCC Group plc $554.4 M United Kingdom UK Technology UK Software—Application
26 PensionBee Group plc $533.1 M United Kingdom UK Technology UK Software—Application
27 Filtronic plc $530.5 M United Kingdom UK Technology UK Communication Equipment
28 ITM Power plc $525.4 M United Kingdom UK Technology UK Electronic Components
29 Judges Scientific plc $514.7 M United Kingdom UK Technology UK Scientific & Technical Instruments
30 Cerillion plc $486.4 M United Kingdom UK Technology UK Software—Application

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

1. The Sage Group plc

Company Profile: The Sage Group plc
Market Cap (USD): $13.49 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

2. Spectris plc

Company Profile: Spectris plc
Market Cap (USD): $5.46 B (July 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

3. 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

4. Computacenter plc

Company Profile: Computacenter plc
Market Cap (USD): $4.12 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

5. Softcat plc

Company Profile: Softcat plc
Market Cap (USD): $3.68 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

6. Renishaw plc

Company Profile: Renishaw plc
Market Cap (USD): $3.46 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

7. Clarivate Plc

Company Profile: Clarivate Plc
Market Cap (USD): $2.18 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

8. 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

9. Alphawave IP Group plc

Company Profile: Alphawave IP Group plc
Market Cap (USD): $1.89 B (July 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductors

10. 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

11. Kainos Group plc

Company Profile: Kainos Group plc
Market Cap (USD): $1.58 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

12. Oxford Instruments plc

Company Profile: Oxford Instruments plc
Market Cap (USD): $1.56 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductor Equipment & Materials

13. 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

14. Ideagen plc

Company Profile: Ideagen plc
Market Cap (USD): $1.27 B (July 1, 2022)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

15. Northamber plc

Company Profile: Northamber plc
Market Cap (USD): $1.20 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronics & Computer Distribution

16. Bytes Technology Group plc

Company Profile: Bytes Technology Group plc
Market Cap (USD): $1.12 B
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

17. WANdisco plc

Company Profile: WANdisco plc
Market Cap (USD): $1.12 B (July 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

18. 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

19. SEEEN plc

Company Profile: SEEEN plc
Market Cap (USD): $840.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

20. Alfa Financial Software Holdings plc

Company Profile: Alfa Financial Software Holdings plc
Market Cap (USD): $830.8 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

21. GB Group plc

Company Profile: GB Group plc
Market Cap (USD): $784.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

22. discoverIE Group plc

Company Profile: discoverIE Group plc
Market Cap (USD): $772.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

23. 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

24. FD Technologies plc

Company Profile: FD Technologies plc
Market Cap (USD): $744.1 M (July 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

25. NCC Group plc

Company Profile: NCC Group plc
Market Cap (USD): $554.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

26. PensionBee Group plc

Company Profile: PensionBee Group plc
Market Cap (USD): $533.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

27. Filtronic plc

Company Profile: Filtronic plc
Market Cap (USD): $530.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

28. ITM Power plc

Company Profile: ITM Power plc
Market Cap (USD): $525.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

29. Judges Scientific plc

Company Profile: Judges Scientific plc
Market Cap (USD): $514.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

30. Cerillion plc

Company Profile: Cerillion plc
Market Cap (USD): $486.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

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