5 Largest IT Services Companies in the World

2. IBM (NYSE: IBM)

Revenue: 77.1 billion

Market Cap: $110.79 billion

Assets: $110.79 billion

Employees: 383,000

Headquarters: Armonk, New York

International Business Machines secured the seventh spot in our list of the biggest tech companies in the world in 2020 with a revenue of over $77 billion. Also called the Big Blue, IBM’s most popular services include cloud and cognitive computing, IT infrastructure, digital security, IoT, data analytics, blockchain, and AI. IBM also develops and markets computer hardware and software and offers infrastructure, hosting, and consulting services in a variety of fields, from mainframe computers to nanotechnology. And it is no surprise, given that around 97% of banks and around 80% of retailers worldwide use their services. Today, IBM has had more than 180 acquisitions and merges including Nordcloud, TruQua, Instana, and Red Hat.