5 Biggest Software Companies in the UK

2. Darktrace plc (OTC:DRKTF) 

Market Capitalization as of March 28, 2024: $3.81 Billion

Darktrace plc (OTC:DRKTF) ranks third on our list of the biggest software companies in the United Kingdom. The company specializes in the provision of cyber-threat defense technology software solutions. Some of the prominent products by the company include Darktrace PREVENT, Darktrace DETECT, and Darktarace RESPOND. Darktrace plc (OTC:DRKTF) has a market capitalization of $4.42 billion.