Largest U.K. (FTSE) Tech Stocks by Market Cap

Name: Financial Insights Based on S&P Global Market Intelligence
Creator: Simply Wall St Pty Ltd
License: https://www.spglobal.com/content/dam/spglobal/corporate/en/documents/secure/MI-FastTrack-Terms-and-Conditions-July-2023.pdf

UPDATED Oct 10, 2025

Discover large cap U.K. Tech companies that are on the FTSE. These Tech Companies are organised by Market Cap.

43 companies

Company	Last Price	7D Return	1Y Return	Market Cap	Analysts Target	Valuation	Growth	Div Yield
HLMA Halma	UK£34.94	-0.2%	40.0%	UK£13.2b	UK£34.20	PE44.5x	E9.3%	0.7%
SXS Spectris	UK£40.90	0.2%	62.8%	UK£4.1b	UK£34.06	PE70.3x	E44.7%	2.1%
RSW Renishaw	UK£36.80	-1.1%	3.4%	UK£2.7b	UK£35.19	PE32x	E17.2%	2.1%
SPT Spirent Communications	UK£1.98	0%	13.4%	UK£1.2b	UK£2.00	PE216.9x	E37.1%	1.8%
OXIG Oxford Instruments	UK£19.80	-1.5%	0.5%	UK£1.1b	UK£23.89	PE43.4x	E26.1%	1.1%
RPI Raspberry Pi Holdings	UK£3.85	-9.8%	-0.5%	UK£744.1m	UK£4.85	PE104.6x	E40.9%	n/a
FTC Filtronic	UK£1.28	-4.5%	91.0%	UK£281.3m	UK£2.00	PE20x	E-45.0%	n/a
BIG Big Technologies	UK£0.83	-2.1%	-33.6%	UK£240.1m	n/a	PS4.9x	E103.8%	n/a
CNC Concurrent Technologies	UK£2.28	-1.7%	102.7%	UK£197.1m	UK£2.37	PE41x	E17.9%	0.5%
SRT SRT Marine Systems	UK£0.87	-3.3%	107.1%	UK£187.6m	UK£1.00	PS15.8x	E91.4%	n/a
MIDW Midwich Group	UK£1.82	-4.5%	-44.2%	UK£186.5m	UK£3.29	PE27x	E10.5%	7.2%
TTG TT Electronics	UK£1.01	-5.6%	12.0%	UK£179.3m	UK£1.11	PB1x	E123.6%	0%
GHH Gooch & Housego	UK£5.86	-3.0%	39.5%	UK£158.9m	UK£7.39	PE30.5x	E32.5%	2.3%
SEE Seeing Machines	UK£0.033	6.5%	-34.5%	UK£157.8m	n/a	PS3.4x	E96.1%	n/a
SOLI Solid State	UK£1.78	1.4%	-29.7%	UK£100.9m	UK£2.28	PE197.1x	E63.6%	1.4%
0W1I Vectron Systems	€12.85	0%	n/a	€113.9m	n/a	PE19.1x	n/a	0%
XAR Xaar	UK£1.21	0.6%	21.0%	UK£95.6m	UK£1.83	PS1.5x	E181.1%	0%
SDI SDI Group	UK£0.90	0.2%	67.0%	UK£94.3m	UK£1.40	PE23.7x	n/a	n/a
KETL Strix Group	UK£0.38	-0.7%	-43.2%	UK£86.3m	n/a	PE44.5x	E43.3%	3.4%
BVC BATM Advanced Communications	UK£0.19	6.3%	-1.0%	UK£84.3m	n/a	PB1.1x	S-4.7%	0%
SPSY Spectra Systems	UK£1.56	-10.1%	-36.8%	UK£75.3m	UK£2.56	PE7.5x	E-43.2%	5.6%
WPHO Windar Photonics	UK£0.56	-8.9%	43.0%	UK£54.4m	n/a	PS12.6x	E54.4%	n/a
CLX Calnex Solutions	UK£0.57	-3.8%	8.0%	UK£50.4m	UK£1.09	PE149.4x	E53.2%	1.6%
SNX Synectics	UK£2.93	-4.9%	2.6%	UK£49.7m	n/a	PE11.3x	E9.9%	1.6%

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