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 Jul. 01, 2025

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Rank Company Market Cap (USD) Country Sector Industry
31 Filtronic plc $457.7 M United Kingdom UK Technology UK Communication Equipment
32 IDE Group Holdings plc $448.5 M

(Jan. 1, 2023)

 United Kingdom UK Technology UK Information Technology Services
33 Telit Communications plc $435.1 M

(Aug. 1, 2021)

 United Kingdom UK Technology UK Communication Equipment
34 IDOX plc $408.7 M United Kingdom UK Technology UK Software—Application
35 IQGeo Group plc $366.8 M

(July 1, 2024)

 United Kingdom UK Technology UK Software—Application
36 FDM Group (Holdings) plc $326.5 M United Kingdom UK Technology UK Information Technology Services
37 dotdigital Group plc $313.9 M United Kingdom UK Technology UK Software—Application
38 Midwich Group plc $309.4 M United Kingdom UK Technology UK Electronics & Computer Distribution
39 Fonix Mobile plc $306.5 M United Kingdom UK Technology UK Information Technology Services
40 accesso Technology Group plc $279.8 M United Kingdom UK Technology UK Software—Application
41 TT Electronics plc $275.2 M United Kingdom UK Technology UK Electronic Components
42 Redcentric plc $271.1 M United Kingdom UK Technology UK Information Technology Services
43 Netcall plc $266.0 M United Kingdom UK Technology UK Software—Application
44 SRT Marine Systems plc $259.7 M United Kingdom UK Technology UK Scientific & Technical Instruments
45 Aptitude Software Group plc $254.1 M United Kingdom UK Technology UK Software—Application
46 Concurrent Technologies plc $233.4 M United Kingdom UK Technology UK Computer Hardware
47 Gooch & Housego plc $227.4 M United Kingdom UK Technology UK Electronic Components
48 Eckoh plc $211.3 M

(Jan. 1, 2025)

 United Kingdom UK Technology UK Information Technology Services
49 Beeks Trading Corporation Ltd. $205.6 M United Kingdom UK Technology UK Software—Infrastructure
50 Eleco plc $184.4 M United Kingdom UK Technology UK Software—Application
51 Tracsis plc $176.7 M United Kingdom UK Technology UK Software—Application
52 Blancco Technology Group plc $176.0 M

(July 1, 2023)

 United Kingdom UK Technology UK Software—Infrastructure
53 Gresham Technologies plc $172.8 M

(July 1, 2024)

 United Kingdom UK Technology UK Software—Application
54 Quartix Holdings plc $167.1 M United Kingdom UK Technology UK Scientific & Technical Instruments
55 Solid State plc $164.3 M United Kingdom UK Technology UK Electronic Components
56 Dev Clever Holdings plc $153.2 M

(Jan. 1, 2023)

 United Kingdom UK Technology UK Software—Application
57 Intercede Group plc $150.7 M United Kingdom UK Technology UK Software—Application
58 ActiveOps Plc $144.2 M United Kingdom UK Technology UK Software—Application
59 Xaar plc $135.6 M United Kingdom UK Technology UK Electronic Components
60 IQE plc $134.1 M United Kingdom UK Technology UK Semiconductor Equipment & Materials

Top Technology Companies from the United Kingdom as of Jul. 01, 2025

31. Filtronic plc

Company Profile: Filtronic plc
Market Cap (USD): $457.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

32. IDE Group Holdings plc

Company Profile: IDE Group Holdings plc
Market Cap (USD): $448.5 M (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

33. Telit Communications plc

Company Profile: Telit Communications plc
Market Cap (USD): $435.1 M (Aug. 1, 2021)
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

34. IDOX plc

Company Profile: IDOX plc
Market Cap (USD): $408.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

35. IQGeo Group plc

Company Profile: IQGeo Group plc
Market Cap (USD): $366.8 M (July 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

36. FDM Group (Holdings) plc

Company Profile: FDM Group (Holdings) plc
Market Cap (USD): $326.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

37. dotdigital Group plc

Company Profile: dotdigital Group plc
Market Cap (USD): $313.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

38. Midwich Group plc

Company Profile: Midwich Group plc
Market Cap (USD): $309.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronics & Computer Distribution

39. Fonix Mobile plc

Company Profile: Fonix Mobile plc
Market Cap (USD): $306.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

40. accesso Technology Group plc

Company Profile: accesso Technology Group plc
Market Cap (USD): $279.8 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

41. TT Electronics plc

Company Profile: TT Electronics plc
Market Cap (USD): $275.2 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

42. Redcentric plc

Company Profile: Redcentric plc
Market Cap (USD): $271.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

43. Netcall plc

Company Profile: Netcall plc
Market Cap (USD): $266.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

44. SRT Marine Systems plc

Company Profile: SRT Marine Systems plc
Market Cap (USD): $259.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

45. Aptitude Software Group plc

Company Profile: Aptitude Software Group plc
Market Cap (USD): $254.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

46. Concurrent Technologies plc

Company Profile: Concurrent Technologies plc
Market Cap (USD): $233.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Computer Hardware

47. Gooch & Housego plc

Company Profile: Gooch & Housego plc
Market Cap (USD): $227.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

48. Eckoh plc

Company Profile: Eckoh plc
Market Cap (USD): $211.3 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

49. Beeks Trading Corporation Ltd.

Company Profile: Beeks Trading Corporation Ltd.
Market Cap (USD): $205.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

50. Eleco plc

Company Profile: Eleco plc
Market Cap (USD): $184.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

51. Tracsis plc

Company Profile: Tracsis plc
Market Cap (USD): $176.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

52. 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

53. Gresham Technologies plc

Company Profile: Gresham Technologies plc
Market Cap (USD): $172.8 M (July 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

54. Quartix Holdings plc

Company Profile: Quartix Holdings plc
Market Cap (USD): $167.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

55. Solid State plc

Company Profile: Solid State plc
Market Cap (USD): $164.3 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

56. Dev Clever Holdings plc

Company Profile: Dev Clever Holdings plc
Market Cap (USD): $153.2 M (Jan. 1, 2023)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

57. Intercede Group plc

Company Profile: Intercede Group plc
Market Cap (USD): $150.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

58. ActiveOps Plc

Company Profile: ActiveOps Plc
Market Cap (USD): $144.2 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

59. Xaar plc

Company Profile: Xaar plc
Market Cap (USD): $135.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

60. IQE plc

Company Profile: IQE plc
Market Cap (USD): $134.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Semiconductor Equipment & Materials

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