Top 10 IT Companies in World | Largest IT Service Providers

Top 10 Largest IT Service Provider Companies in The World

by Amelia Scott — 3 years ago in Top 10 13 min. read

Walking into 2021, the World’s top 10 IT companies or industries witnessed a little hitch as regards its general revenue.

As per industry reports, the top IT companies in world are spending money more than $4.5 trillion. Things like IoT, cloud computing, cyber attacks, online security, etc are the best IT services served to clients the best services.

In August of 2020, the International Data Corporation (IDC) which is the leading international provider of advisory services and market intelligence for IT service companies projected the year’s global revenue to be $4.8 trillion, contrasting the former estimate of $5.2 trillion.

Even though the IT industry did better than any other sector or industry during the pandemic, the qualms that befell it in terms of postponement of major investments and serious diminution in spending patterns could not be evaded.

Presently, it is estimated by IDC that the tech industry is making giant strides and is on its way to $5 trillion in 2021.

Now that you’ve had an overview of the global IT industry, a very salient question pops up. What are the world’s largest IT service companies today?

Better still, what comes to your mind when you think of the top 10 IT companies in the world. Let’s take a look at our list.

As technology continues to shape the future of the way people conduct business, it is now vital that you build relationships with international tech brands. Imagine if you were able to determine the top IT companies in world now without always scouring the web? Or better still, what if you can connect together directly from this report?

We have done the hard work and number crunching to supply you with the most extensive collection of greatest software firms yet so you could directly associate with the list of top 10 IT companies in the world in 2021.

Information technologies (IT) continues to be well recognized among the significant driving forces in today’s market today; since the top 10 largest IT companies in world are a few of the very best information technology services suppliers which are powering a variety of sectors and companies worldwide. Within the last few years, information technology (IT) has considerably altered our everyday lives and how business is completed.

Together with the growth of new technology and inventions, for example, IoT, large statistics, artificial intelligence, cloud solutions along with blockchain etc, the international IT sector is forecast to flourish farther, and the present top IT companies in the world for 2021, identified this list headed by the technology firm IBM, Microsoft, HP Enterprise and Oracle etc, will also be predicted to stay at top of their software business and reach greater achievement in the not too distant future.

Global Industry Overview on Top IT Companies

International IT Industry Review based on the most recent market report by Gartner, the entire spending in the international IT sector, such as IT solutions, data center systems, business applications, and telecom providers, is estimated to be over $3.7 trillion in 2019, representing a 4.5% rise in 2018. International IT spending growth started to turn around in 2018, with continued growth expected during the upcoming few decades.

Information technology (IT) is the combination of any computer’s storage, networking, and other physical devices, infrastructure, and processes to create, store, secure, and exchange all forms of electronic data.

The top IT companies create innovation, outsourcing, technology, and services in the world.

The growth of the information technology industry in the world is increased by 4.5-5% as per industry experts. Because of Covid-19, we can see how to next financial year will be for the best IT companies across the globe.

The list of Top 10 It companies include Microsoft, IBM, Oracle, Accenture, HPE, SAP & other big IT brands.

Also read: Top 7 Best ECommerce Tools for Online Business

List of the Top 10 IT Companies in World 2021


top it companies in world

Founder: Charles Ranlett Flint

CEO: Arvind Krishna ( April 2020)

Founded In: 1911

Revenue: $73.6 billion (2020)

Headquarters: Armonk, New York, United States

IBM, stands for International Business Machine is currently the biggest IT service company in the world with over 300 offices and 345,000 employees working in more than 170 nations of the world.

The American company was founded by financial capitalist Charles Ranlett Flint on the 16th of June 1911 and has its headquarters at Armonk, New York, United States.

IBM’s revenue generation today is achieved through its five sectors: Cloud & Cognitive Software, Global Technology Services (GTS), Global Business Services (GBS), Global Financing, and Systems.

Its GTS division takes care of the best IT services for its customers all over the world. These services include process outsourcing and maintenance of very important client systems and infrastructure.

Its GBS division is entrusted with consultancy, project management solutions, and system integration.

IBM shares sold at over $125 per share and sustained a market capitalization of over US$113.9 billion as of September 2018.

Currently, the company has three major individual shareholders: James M. Whitehurst (148,608 shares), the CEO– Arvind Krishna (86,188 shares), and James J. Kavanaugh (77,514 shares).

In recent times, well over 92 percent of the world’s top 100 banks require the services of IBM because of their dependence on mainframes for security and uninterrupted and efficient processing of financial transactions.

IBM also offers blockchain solutions that may help people to develop their own cryptocurrency exchange.

The company has since evolved into a major cloud computing haven which your business can also leverage and IBM comes in the list of top 10 largest IT companies in the world.


top it companies

Founder: Bill Gates, Paul Allen

CEO: Satya Nadella (Feb 2014)

Founded In: 1975

Revenue: $14300 crores (2020)

Headquarters: Redmond, Washington, United States

On April 4, 1975, in Albuquerque, New Mexico, Microsoft Corporation was founded by childhood buddies Bill Gates and Paul Allen.

They simply wanted to put their computer programming skills into good use by developing and selling BASIC interpreters for the Altair 8800, and fortunately, their vision and skill birthed today’s Microsoft.

Microsoft is a multinational IT services company that is into the development, manufacture, licensing, support, and sale of computer software, personal computers, and consumer electronics.

Very prominent among its software products are the Microsoft Windows class of operating systems, Internet Explorer and Edge web browsers, and the Microsoft Office Suite.

In April 2019, with its CEO as Satya Nadella,  Microsoft became the third U.S. public company to be valued at over $1 trillion after Apple and Amazon respectively, reaching the trillion-dollar market capitalization and Mircosoft comes under the best IT companies in world.

Microsoft’s principal hardware products include the Xbox video game consoles and the touchscreen PCs under the Microsoft Surface class.

The epoch-making multinational company has since the 90s spread its tentacles from the conventional operating system market by making several corporate acquisitions.

Its largest acquisition was LinkedIn for $26.2 billion in December 2016. The second being the acquisition of Skype Technologies for $8.5 billion in May 2011.

In 2020, Microsoft ranked No. 21 in the Fortune 500 rankings of United States largest corporations by total revenue. It is also considered alongside Google, Apple, Amazon, and Facebook as one of the Big Five companies in the U.S. IT industry.

As of 2020, Microsoft made US$143 billion in revenue, boasted a net income of US$44.3 US, and an employee base of 166,475 people.

Its major subsidiaries include Xbox Game Studios, LinkedIn, GitHub, and Skype Technologies. Microsoft is the best IT company in the globe.


top 10 it companies in world

Founder: Larry Ellison, Bob Miner, Ed Oates

CEO: Safra A. Catz

Founded In: 1977

Revenue: US$39.07 billion (2020)

Headquarters: Santa Clara, California, United States

Oracle is another multinational IT corporation that’s currently among the world’s top IT companies. It is presently headquartered in Austin, Texas after relocating from its former Redwood Shores location. Oracle is one of the most advanced in this listing of the top 10 IT companies in the world.

It was founded by Larry Ellison, Bob Miner, and Ed Oates in Santa Clara, California, United States on 16th June 1977, and its CEO is Safra A. Catz.

The company majorly focuses on the design, manufacturing, and marketing of database software and technology, hardware products, cloud engineered products, and business software products, specifically database management systems that represent its brand.

It became the second-largest IT company by revenue and market capitalization as of 2019. Oracle also came in 82nd in the 2018 Fortune 500 list of America’s largest corporations by total revenue.

Complementing Oracle’s products are services like consulting (technical and business expert services), hosting services, financing, and training in Oracle products via Oracle University.

Oracle also designs and develops specialized tools for Customer Relationship Management software, Supply Chain Management software, Business Resource Planning software, and database development.

You, as a retail business owner stand to gain so much by leveraging Oracle applications like the Oracle Retail Suite which provides warehouse management, merchandise management, invoice matching, price management, demand forecasting, and product financial planning, and a host of other solutions.

In 2014, despite experiencing heavy competition from its many rivals, Oracle Financials beat out SAP and several other rivals to be ranked in the Top 20 Most Popular Accounting Software Infographic by Capterra.

The IT services company and firm’s total revenue in 2020 was US$39.07 billion and in the same year, it recorded a net income of US$10.14 billion. Its employee population in 2020 was about 135,000.


top it companies in world

Founder: Clarence DeLany

CEO: Julie Sweet (Sep 2019)

Founded In: 1989

Revenue: $4,433 crores (2020)

Headquarters: Dublin, Ireland

Accenture by far has proven to be a major player in the tech world and also one of the biggest IT companies in the world and finest software companies in the world in 2019.

In 1989, Accenture plc, formerly known as Anderson Consulting, split from the accounting firm Arthur Anderson– a firm for which it was formerly the business and technology consulting division. The two companies broke all contractual ties in 2001.

Accenture Is a well-recognized global professional service and management consulting firm that provides the best IT services, consulting, digital marketing, operations solutions, business process outsourcing, IT, electronic, and cloud services.

The American-Irish multinational company is split into several units to facilitate its many services and operations, and for efficient management. Those units include:

  • Accenture Consulting is responsible for business, management, and technology consulting.
  • Accenture Strategy: This unit takes care of the company’s tech, operations, and business strategy services.
  • Accenture Operations is another unit of the company saddled with the responsibility of outsourcing business processes, IT services, security, and managed operations.
  • Accenture Technology: The operations unit is concerned with software research and development, administration, and execution.

Aside from all the very interesting things you now know about this top IT company, there’s one thing that’s even more marveling—its workforce population.

It should thrill you to know that in 2020 alone, Accenture had about 506,000 individuals employed in over 120 countries around the globe.

To further assure you of this firm’s credibility, know that it has had big brands like Unilever, the Royal Shakespeare Company, and Marriot as its clients.

In November 2019, two months after Julie Sweet resumed office as its CEO, Accenture’s market capitalization was valued at over US$125.1 billion, and as of 2020, the largest IT companies had a net income of US$5.11 billion.


top it companies

Founder: David Packard, Bill Hewlett,

CEO: Enrique Lores

Founded In: 1939

Revenue: $56.6 billion (2020)

Headquarters: Palo Alto, California, United States

HPE (Hewlett Packard Enterprise Company) needs no introduction in the list of top IT companies in the world.

It was founded in 1939 after splitting from the Hewlett-Packard company. It is headquartered in Palo Alto, California, USA with its current president and CEO as Antonio Neri.

After the split, HP Inc became the PC and printer arm of the company while HPE took on the Enterprise products and services aspect. HPE has since become one of the largest IT service provider companies in the world.

The services rendered by HPE are divided mainly into data storage and protection, IT financing, consulting, cloud services, IT infrastructure, Software, and Technology services. Anticipate HP to keep its standing among the top 10 IT companies in the world even going to the future, in the back of solid performance on the marketplace.

The cloud services have to do with machine E-learning, virtual machines, managed cloud systems, storage, data protection, Virtual Machines, Big Data, etc. All these are categorized under the HPE Greenlake Cloud Services.

The IT infrastructure sector includes High-Performance Computing, Data Storage, Networking, Information Management, and Networking Management facilities.

Hewlett Packard Enterprise, as its name implies, manufactures enterprise hardware products like servers and networking equipment.

Regardless of the tough competition from other cloud companies like Dell Technologies, HPE remains one of the most dominant players in the cloud market.

A series of software solutions, especially those concerned with cloud computing, has become possible through HPE’s robust system.

Having reigned for a long time in the global IT market, HP has the stamina to compete with the best IT company in world.

In the nearest future, expect to see it maintain its place among the largest IT companies around the world.


top 10 it companies in world

Founder: Dietmar Hopp, Hasso Plattner

CEO: Christian Klein (Oct 2019)

Founded In: 1972

Revenue: 27.34 billion EUR (2020)

Headquarters: Weinheim, Germany

Comfortably maintaining the sixth position on the list of the biggest IT companies in the world is SAP.

SAP SE is one of the leading business application software companies in the IT market today. It was founded in Weinheim, Germany in 1972 by German software engineer Dietmar Hopp and his colleagues.

Currently, the corporation has its headquarters in Walldorf, Baden-Wurttemberg, Germany, with its CEO as Christian Klein.

SAP will continue to generate a compelling case among the top 10 IT companies in the world for so long as they keep innovating as a good company pushing the bounds on a technician.

The German company provides the best software applications to take care of business activities, and for optimal client relationships.

If you’re yet to meet the largest non-American software firm by revenue, then welcome to SAP.

We are talking about the third-largest IT company in the world.

Another intriguing thing about the multinational software corporation is that it clearly states its target industry sectors to include; financial industries, service industries, consumer industries, process industries, public services, and discrete industries.

And that’s not all: It runs some kind of inclusive product system, accommodating large, mid-level, and small businesses.

SAP assists all companies to run at their best, regardless of size. This clearly explains why a shiny 77% of all revenue transactions all over the world pass through an SAP system.

The German company has its signature software solution as the Enterprise Resource Planning (ERP).

ERP comprises a group of connected applications that businesses leverage to gather, store, manage, and analyze data from a lot of business transactions.

Currently, SAP IT company has over 400,000 customers in well over 180 countries. It also boasts a workforce of 102,400 employees in over 140 countries and total revenue of €27.34 billion in the Fiscal Year- 2020.


top 10 it companies in India

Founder: Tata Sons, J. R. D. Tata

CEO: Rajesh Gopinathan (Feb 2017)

Founded In: 1968

Revenue: 1.57 trillion INR (2020)

Headquarters: Mumbai, India

It’s a subsidiary of the Tata Group and works in 46 nations. TCS is among the biggest IT firms in the world and among the best IT services suppliers for services such as consulting, applications development, infrastructure support, and business process outsourcing.

TCS, short for Tata Consultancy Services, is one of the largest IT companies of today. Founded in 1968, the company’s CEO and Managing Director is Rajesh Goinathan and it is headquartered in Mumbai, Maharashtra, India.

The Indian IT firm has its specialty in consulting and IT services. Its parent company is the Tata Group and it runs 149 locations across 46 countries. Currently, TCS is ranked among the most valuable IT services brands in the world.

The Indian company’s most formidable software products include TCS Mastercraft and TCS BaNCS.

TCS Mastercraft comprises a group of products that facilitate optimization of processes in digital transformation, software development, privacy, business data quality, delivery, application creation, etc.

On the other hand, TCS BaNCS integrates a series of software resources used by retail banks to process their financial services.

Some services TCS offers include consulting, analytics and insights, IoT, enterprise applications, automation and AI, engineering and industrial services, cybersecurity, and provision of cloud infrastructure.

In 2018, TCS rose to fame as the top IT company in India (preceded by Reliance Industries) to exceed the $100 billion dollar mark.

By this giant stride in 2018, TCS became one of the powerful 63 companies with a market capitalization of over $100 billion. That’s 33% below IBM’s market capitalization.

As of December 2020, the company had over 469,000 employees in over 45 countries and a net income of US$4.5 billion that same year.



Founder: Serge Kampf

CEO: Aiman Ezzat (May 2020)

Founded In: 1967

Revenue: 15.84 billion EURO (2020)

Headquarters: Paris, France

It’s among the world’s biggest IT company, outsourcing, and professional services firms with over 200,000 employees in over 40 nations.

Capgemini was founded by Serge Kampf on October 1, 1967, solely for data processing and enterprise management.

The French multinational company steadily rose through the ranks, making very strategic and important acquisitions since 1974.

Some of its most important acquisitions include CAP, Gemini Computers in New York, DASD Corporation in Wisconsin, USA, and Altran, all of which were salient players in the IT industry.

Capgemini is one of the world’s top IT service companies, specializing in professional services, consulting, outsourcing, technology, and engineering services, and other management services.

One of its subsidiaries—Sogeti, is an IT service company that focuses on technology and professional engineering services.

The French IT services firm has over 270,000 employees in over 50 nations, with 120,000 of those employees having Indian origin. In 2019, the company recorded a revenue of €15.84 billion and a net income of €856 million.



Founder: Kumar Mahadeva, Francisco D’Souza

CEO: Brian Humphries (Apr 2019)

Founded In: 1994

Revenue: $16.7

Headquarters: Teaneck, New Jersey, United States

Cognizant was founded by Sri Lankan American Kumar Mahadeva and his colleague Francisco D’Souza in1994. It is currently headquartered in Teaneck, New Jersey.

The American multinational digital company is the largest IT service company in world. It offers digital products, consulting, information security, and digital IT services.

The corporation’s business affects three salient areas—Digital Business, Digital Operations, and Digital Systems and Technology.

In 2015, the company acquired California based healthcare IT firm TriZetto Corp for $2.7 billion.

This is now the Cognizant TriZetto Healthcare Products sector of the company which comprises software solutions that help institutions improve cost and quality of care, improve the member-patient experience, improve administrative efficiency, and boost revenue.

A more comprehensive list of top 10 IT companies renders includes; business intelligence, data warehousing, customer relationship management, supply chain management, enterprise resource planning, testing, and research and development outsourcing solutions.

Its revenue as of 2019 was US$16.8 billion, and it recorded a net income of US$1.84 billion the same year. As of 2020, it had about 281,500 employees.

Also read: Top 10 Business Intelligence Tools of 2021


top 10 it companies in India

Founder: N. R. Narayana Murthy, Nandan Nilekani

CEO: Salil Parekh (Jan 2018)

Founded In: 1981

Revenue: US$13 billion (2020)

Headquarters: Bengaluru, India

Making our list of the top IT companies in the World is Infosys. Infosys is the 2nd largest IT company in India and among the top 10 biggest IT firms in the world concerning revenue.

Founded in July 1981 by N.R. Narayana Murthy and co, the company is headquartered in Bangalore India with Salil Parekh as its current CEO.

Listing the Indian multinational company at the base of the top 10 does not suggest it will keep being at the base, because—let’s face it— anything can happen in the IT world.

The company is the second-largest IT company in India and top 10 IT Companies after TCS by the revenue figures of 2017. It had a market capitalization of $46.52 on March 29, 2019.

Some of its most important services are software services such as development, maintenance, and independent validation services to manufacturing, insurance, financial, and other institutions.

Infosys has also tremendously influenced retail and corporate banking through one of its products called Finacle—a universal banking technology. As of 2020, the tech company recorded a net income of $22,000 and possessed assets worth about US$13 billion.

Future of the Top 10 IT Companies in the World

Humanity remains grateful to the top IT companies or it services provider industry for its massive contribution towards making every aspect of life easy. However, future technologies are forecast to be more efficient than what’s obtainable today.

As for the top IT companies in the world, there is a great likelihood they will remain dominant in the IT marketplace for a while since they’ve established formidable market stocks and possession of the most vital IT infrastructure.

Amelia Scott

Amelia is a content manager of The Next Tech. She also includes the characteristics of her log in a fun way so readers will know what to expect from her work.

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