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
91 TPXimpact Holdings PLC $27.6 M United Kingdom UK Technology UK Information Technology Services
92 Smartspace Software plc $25.8 M

(Jan. 1, 2024)

 United Kingdom UK Technology UK Software—Application
93 Altitude Group plc $24.6 M United Kingdom UK Technology UK Software—Application
94 Tekcapital plc $24.4 M United Kingdom UK Technology UK Software—Application
95 essensys plc $24.0 M United Kingdom UK Technology UK Software—Application
96 SysGroup plc $23.4 M United Kingdom UK Technology UK Software—Infrastructure
97 Checkit plc $23.0 M United Kingdom UK Technology UK Software—Application
98 Blackbird plc $22.6 M United Kingdom UK Technology UK Software—Application
99 ZOO Digital Group plc $21.7 M United Kingdom UK Technology UK Software—Application
100 Pennant International Group plc $16.9 M United Kingdom UK Technology UK Software—Application
101 Arcontech Group plc $16.2 M United Kingdom UK Technology UK Software—Application
102 Pebble Beach Systems Group plc $15.4 M United Kingdom UK Technology UK Communication Equipment
103 Shearwater Group plc $15.4 M United Kingdom UK Technology UK Software—Infrastructure
104 Starcom plc $14.0 M United Kingdom UK Technology UK Scientific & Technical Instruments
105 Ingenta plc $13.4 M United Kingdom UK Technology UK Software—Application
106 Northamber plc $11.9 M United Kingdom UK Technology UK Electronics & Computer Distribution
107 Touchstar plc $10.2 M United Kingdom UK Technology UK Computer Hardware
108 Tern plc $10.1 M United Kingdom UK Technology UK Software—Application
109 SEEEN plc $6.7 M United Kingdom UK Technology UK Software—Application
110 Zytronic plc $6.7 M

(Jan. 1, 2025)

 United Kingdom UK Technology UK Electronic Components
111 Trakm8 Holdings plc $6.3 M United Kingdom UK Technology UK Scientific & Technical Instruments
112 GRC International Group plc $5.8 M

(Jan. 1, 2024)

 United Kingdom UK Technology UK Information Technology Services
113 Crimson Tide plc $5.7 M United Kingdom UK Technology UK Software—Application
114 Catenae Innovation plc $4.3 M United Kingdom UK Technology UK Software—Infrastructure
115 Rosslyn Data Technologies plc $3.8 M United Kingdom UK Technology UK Software—Application
116 CloudCoCo Group plc $2.9 M United Kingdom UK Technology UK Software—Infrastructure
117 Dillistone Group plc $2.5 M United Kingdom UK Technology UK Software—Application
118 Biome Technologies plc $2.2 M

(Jan. 1, 2025)

 United Kingdom UK Technology UK Electronic Components
119 i-nexus Global plc $1.3 M

(Jan. 1, 2024)

 United Kingdom UK Technology UK Software—Application
120 PipeHawk plc $686,418 United Kingdom UK Technology UK Scientific & Technical Instruments

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

91. TPXimpact Holdings PLC

Company Profile: TPXimpact Holdings PLC
Market Cap (USD): $27.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

92. Smartspace Software plc

Company Profile: Smartspace Software plc
Market Cap (USD): $25.8 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

93. Altitude Group plc

Company Profile: Altitude Group plc
Market Cap (USD): $24.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

94. Tekcapital plc

Company Profile: Tekcapital plc
Market Cap (USD): $24.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

95. essensys plc

Company Profile: essensys plc
Market Cap (USD): $24.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

96. SysGroup plc

Company Profile: SysGroup plc
Market Cap (USD): $23.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

97. Checkit plc

Company Profile: Checkit plc
Market Cap (USD): $23.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

98. Blackbird plc

Company Profile: Blackbird plc
Market Cap (USD): $22.6 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

99. ZOO Digital Group plc

Company Profile: ZOO Digital Group plc
Market Cap (USD): $21.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

100. Pennant International Group plc

Company Profile: Pennant International Group plc
Market Cap (USD): $16.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

101. Arcontech Group plc

Company Profile: Arcontech Group plc
Market Cap (USD): $16.2 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

102. Pebble Beach Systems Group plc

Company Profile: Pebble Beach Systems Group plc
Market Cap (USD): $15.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Communication Equipment

103. Shearwater Group plc

Company Profile: Shearwater Group plc
Market Cap (USD): $15.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

104. Starcom plc

Company Profile: Starcom plc
Market Cap (USD): $14.0 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

105. Ingenta plc

Company Profile: Ingenta plc
Market Cap (USD): $13.4 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

106. Northamber plc

Company Profile: Northamber plc
Market Cap (USD): $11.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronics & Computer Distribution

107. Touchstar plc

Company Profile: Touchstar plc
Market Cap (USD): $10.2 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Computer Hardware

108. Tern plc

Company Profile: Tern plc
Market Cap (USD): $10.1 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

109. SEEEN plc

Company Profile: SEEEN plc
Market Cap (USD): $6.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

110. Zytronic plc

Company Profile: Zytronic plc
Market Cap (USD): $6.7 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

111. Trakm8 Holdings plc

Company Profile: Trakm8 Holdings plc
Market Cap (USD): $6.3 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

112. GRC International Group plc

Company Profile: GRC International Group plc
Market Cap (USD): $5.8 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Information Technology Services

113. Crimson Tide plc

Company Profile: Crimson Tide plc
Market Cap (USD): $5.7 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

114. Catenae Innovation plc

Company Profile: Catenae Innovation plc
Market Cap (USD): $4.3 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

115. Rosslyn Data Technologies plc

Company Profile: Rosslyn Data Technologies plc
Market Cap (USD): $3.8 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

116. CloudCoCo Group plc

Company Profile: CloudCoCo Group plc
Market Cap (USD): $2.9 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Infrastructure

117. Dillistone Group plc

Company Profile: Dillistone Group plc
Market Cap (USD): $2.5 M
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

118. Biome Technologies plc

Company Profile: Biome Technologies plc
Market Cap (USD): $2.2 M (Jan. 1, 2025)
Country: United Kingdom
Sector: UK Technology
Industry: UK Electronic Components

119. i-nexus Global plc

Company Profile: i-nexus Global plc
Market Cap (USD): $1.3 M (Jan. 1, 2024)
Country: United Kingdom
Sector: UK Technology
Industry: UK Software—Application

120. PipeHawk plc

Company Profile: PipeHawk plc
Market Cap (USD): $686,418
Country: United Kingdom
Sector: UK Technology
Industry: UK Scientific & Technical Instruments

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