Top 10 IT Companies In The World | Largest IT Services 2023 (2023)

The top global IT companies are no mystery. Are you familiar with companies like Microsoft and IBM? Do you know which markets they dominate?

Follow closely as we uncover the top 10 leading IT companies globally. They provide robust solutions in a rapidly-changing digital technology environment.

Disclaimer: This list contains only pure software companies and does not consider manufacturers, computer services companies, and consumer electronic companies.

Presenting You with the Top 10 IT Companies in the World

  • Microsoft Corporation
  • IBM
  • Accenture Consulting
  • Oracle
  • SAP
  • Tata Consulting Services
  • DXC Technology
  • Deloitte Consulting
  • Capgemini
  • Cognizant

1. Microsoft Corporation

Best Overall IT Company in the Software Industry

Top 10 IT Companies In The World | Largest IT Services 2023 (1)

Top 10 IT Companies In The World | Largest IT Services 2023 (2)


Bill Gates, Paul Allen (1975)


Satya Nadella


Redmond, Washington, United States


$168 billion (2021)

Number of Employees:


When you think of Information Technology companies, Microsoft is one of the first names that comes to mind. Microsoft Corporation is one of the largest professional services providers globally.

According to the Fortune 500 (2022), Microsoft ranks 14th among the world's largest companies globally. It has a market capitalization of over $1.75 trillion, the combined expenditure budget value of Canada and Australia in 2020.

Microsoft dominates the global operating system market, accounting for 75% of the global desktop OS market. The IT giant develops, sells, and licenses computer software, personal computers, consumer electronics, and IT services.

Some popular applications provided by Microsoft include:

  • Internet Explorer.
  • Microsoft Edge.
  • Microsoft Word.
  • Microsoft Excel.
  • Microsoft PowerPoint.
  • Microsoft Outlook.
  • Microsoft OneDrive.
  • Skype.
  • Microsoft Teams.
  • Bing.
  • MSN.
  • OneNote.

2. IBM (International Business Machine)

Top IT Company in the Cloud Services and Data Analytics Markets

Top 10 IT Companies In The World | Largest IT Services 2023 (3)

Top 10 IT Companies In The World | Largest IT Services 2023 (4)


Charles Ranlett Flint (1911)


Arvind Krishna


Armonk, New York, United States


$57.35 billion (2021)

Number of Employees:


IBM is one of the largest IT services providers in the world operating in over 150 countries. Did you know that IBM International Business Machine was first a computing recording company?

You can divide IBM’s business operations into four sectors: cloud software, global business services (GBS), global financing, and global technology services (GTS). IBM’s biggest source of revenue and profits is its cloud software-related services.

IBM (International Business Machines) has a market capitalization value of $105.83 billion. The company holds the record for the most patents generated by a business.

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3. Accenture Consulting

Best IT Company Dominating the Business Consultancy Market for Enterprises

Top 10 IT Companies In The World | Largest IT Services 2023 (5)

Accenture Consulting is one of the biggest management consulting firms in the IT world with a market capitalization value of $162.31 billion.

Did you know that Accenture was once the tech consulting unit of an accounting firm named Arthur Andersen?

Accenture is the largest independent technology services provider and dominates the business consulting market for enterprises. Some of its top partners include SAP, Microsoft, Oracle, and Salesforce.

The American-Irish multinational company has various business units: Accenture Technology, Accenture Consulting, Accenture Strategy, and Accenture Operations.

  • Accenture Technology focuses on research and development, technology solution implementation, and technology labs to develop new innovative technologies.
  • Accenture Consulting offers mobility services, business consultancy, and digital marketing analytics.
  • Accenture Strategy focuses on providing technology strategy services, business strategy, and operation strategy services.
  • Accenture Operations functions as an IT service provider and helps clients manage operations services, outsource business processes, and provide online security.

4. Oracle

Leading IT Company Dominating the Database Management Systems Market

Top 10 IT Companies In The World | Largest IT Services 2023 (6)

Top 10 IT Companies In The World | Largest IT Services 2023 (7)


Larry Ellison, Bob Miner, and Ed Oates (1977)


Safra Catz


Austin, Texas


$40.47 billion (2021)

Number of Employees:


Oracle is one of the top IT companies worldwide with a market capitalization of $162 billion. It is popular for manufacturing and marketing software products and services like Java.

The IT giant dominates the database market. Most of its revenue comes from the sales of its cloud engineering services and its database management systems.

Oracle is a key player in the software development industry. It is popular for developing software systems such as:

  • ERP Solutions.
  • Customer Relationship Management Software.
  • Client Relationship Management Systems.
  • Supply Chain Management Software.
  • Database Development and Planning Software.

5. SAP

Best IT Company Dominating the ERP (Enterprise Resource Planning) Market

Top 10 IT Companies In The World | Largest IT Services 2023 (8)

Top 10 IT Companies In The World | Largest IT Services 2023 (9)



Dietmar Hopp and Hasso Plattner (1972)


Christain Klein


Weinheim, Germany


$29.30 billion

Number of Employees:


SAP is a German-based multinational company that develops applications and software services to help clients manage business operations and customer relationships. Its customers range from individuals to small business owners and large business enterprises.

The software giant is popular for its Enterprise Resource Planning (ERP) solutions and dominates the ERP market. With a market capitalization of $125.06 billion, SAP is the 95th most valuable company globally.

6. Tata Consultancy Services

Best IT Company Dominating the Tech Consulting Market

Top 10 IT Companies In The World | Largest IT Services 2023 (10)


Tata Sons, J. R. D. Tata (1968)


Rajesh Gopinathan


Mumbai, India


$25.07 billion (2021)

Number of Employees:


Tata Consultancy Services (TCS) is an Indian-based IT company that dominates the tech consulting market. The Tata Group, a multinational company owns Tata Consultancy Services.

Clients get services such as consulting, application development, business process outsourcing, and infrastructure support.

Recently, Tata Consultancy Services (TCS) became the top IT company in India with a market capitalization of over $138 billion. The tech consulting firm has a presence in 35 countries and provides services to six Fortune 10 US companies.

7. DXC

Top IT Company Dominating the IT Outsourcing Market

Top 10 IT Companies In The World | Largest IT Services 2023 (11)


Hewlett Packard Enterprise Company & Computer Sciences Corporation (2007)


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Mike Salvino


Ashburn, Virginia, United States


$16.27 billion (2021)

Number of Employees:


DXC is one of the leading IT companies in the world. The company offers end-to-end IT solutions across its Enterprise Technology Stack for different business categories. Services offered include analytics and engineering, IT outsourcing, and consulting.

The IT company dominates the IT outsourcing market. Recently, its Analytics & Engineering, and Applications & Cloud services accounts for 47% of its revenue.

DXC ranks 207 in the 2022 list of Fortune 500 companies and has a market capitalization of over $6 billion.

8. Deloitte Consulting

Best IT Company with the Most Extensive Management Consulting Services

Top 10 IT Companies In The World | Largest IT Services 2023 (12)


Williams Welch Deloitte (1845)


Dan Helfrich


New York, United States


$59.3 billion (2021)

Number of Employees:


Deloitte Consulting is one of the most extensive Management Consulting firms globally. It is popular for serving clients worldwide in IT technology and global management consulting.

Many independent firms use Deloitte to provide business consultancy and independent validation services to companies in different industries.

Deloitte is one of the largest professional services networks with a presence in 150 countries and a market capitalization of $168 billion. However, Deloitte is not listed in the stock exchange market since it is an LLP (Limited Liability Partnership) firm.

9. Capgemini

Leading IT Company Dominating the Global Outsourcing Market

Top 10 IT Companies In The World | Largest IT Services 2023 (13)


Serge Kampf (1967)


Aiman Ezzat


Paris, France


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$19.09 billion (2021)

Number of Employees:


Capgemini is a French IT company with a presence in over 55 countries and a market capitalization of $26.97 billion.

The French-based company is a leading name in IT services providing consulting, outsourcing, and professional services. It dominates the global outsourcing market along with Accenture, IBM, and TCS.

10. Cognizant

Top 10 IT Companies In The World | Largest IT Services 2023 (14)


Kumar Mahadeva and Francisco D'Souza (1994)


Brian Humphries


Teaneck, New Jersey, United States


$18.65 billion (2021)

Number of Employees:


Cognizant is a multinational IT company that helps customers improve their business operations through emerging technologies.

The multinational corporation has three major vital areas in which it specializes: digital systems and technology, digital business, and digital operation. Cognizant has a market capitalization of $30 billion.

Banks are the primary target of Cognizant. The digital IT firm provides banks with advanced analytics tools to help them provide better lending services to customers.

Aside from banks, Cognizant provides dedicated services to other industries such as automotive, healthcare, oil & gas, insurance, and transportation & logistics.

Cognizant offers other services such as:

  • Data Warehousing.
  • Customer Relationship Management (CRM).
  • Supply Chain Management.
  • Enterprise Resource Planning (ERP).

Global IT Market Trends for the Future

The Information Technology marketplace will dominate the future thanks to various factors:

1. Increase in IT Spending

According to Gartner, global IT spending will grow by 5.1% ($4.6 trillion) in 2023. Many small businesses and large enterprises are increasing their IT budgets. Software companies and IT services providers are the major beneficiaries of this increase.

2. Emerging Technologies

The top software companies are going to remain dominant in the IT industry in the future. Why? Due to their investments in emerging technologies.

Microsoft, IBM, Oracle, and other top IT companies are playing key roles in the development of new innovative technologies. They are leveraging technologies for future growth such as:

  • Artificial Intelligence (AI).
  • Blockchain.
  • Cloud Computing.
  • Quantum Computing.
  • Internet of Things (IoT).
  • Serverless Computing.
  • Machine Learning.
  • Human Interface Technologies.

These IT companies use these innovative technologies to explore new growth, build their own digital capability, and provide better solutions.

3. Increase in IT Jobs

With companies spending more on IT services and software solutions, there will be an increase in the demand for IT professionals.

Some of the top IT jobs to watch out for in the future include:

  • IT Security Specialist.
  • IT Manager.
  • Software Architect.
  • Cloud Architect.
  • Artificial Intelligence (AI) Engineer.
  • Data Scientist.
  • Big Data Engineer.
  • Blockchain Engineer.

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Which is the top 10 IT company in the world? ›

Top 10 IT companies in the world
  • #1. Microsoft. ...
  • #2. Hewlett Packard Enterprise (HP) ...
  • #3. IBM | One of the top IT companies in the world. ...
  • #4. Accenture. ...
  • #5. Oracle | One of the leading IT companies in the world. ...
  • #6. SAP | Amongst the prominent IT companies in the world. ...
  • #7. Tata Consultancy Services (TCS) ...
  • #8. Capgemini.
Feb 14, 2023

Which is the largest IT services company in the world? ›

Apple, the world's largest tech company by revenue, generated $294 billion in 2021. With over 585,000 tech companies, the U.S. has the largest technology sector by revenue in the world.

Which is the most valuable IT services company in the world? ›

Accenture Retains Top Position

Accenture, which is worth $39.9 billion, is the most valuable brand globally. It is retaining the top spot for the fifth consecutive year. It is also the strongest IT services brand with a BSI score of 87.8 out of 100, according to a Brand Finance report.

Which is best IT company in USA? ›

Here is a list of the top IT companies in USA for 2023
  • Hyperlink InfoSystem. Hyperlink InfoSystemis one of the leading top IT companies that offer various digital solutions to global businesses. ...
  • Cognizant. ...
  • Accenture. ...
  • Concentrix. ...
  • Globant. ...
  • WillowTree. ...
  • CI&T. ...
  • GlobalLogic.
Dec 14, 2022

Which is the first largest IT services company? ›

  1. Microsoft. Microsoft, one of the world's largest organizations, lands at #1 in almost every IT company ranking and is, without a doubt, one of India's biggest IT companies. ...
  2. TATA Consultancy Services. ...
  3. Cognizant. ...
  4. Google. ...
  5. Cisco Systems, Inc. ...
  6. Accenture. ...
  7. IBM. ...
  8. Capgemini.
Feb 27, 2023

Which is the No 1 software company in world? ›

Microsoft Corporation

Microsoft offers a huge choice of software for many purposes. Its best-known and most popular franchise product is the operating system software 'Windows', which powers close to a billion computers worldwide. It is by far the most used operating system in the world.

Which city has highest IT companies in world? ›

San Francisco

San Francisco is home to the largest valuable tech companies in the world. Silicon Valley, the golden area of the city, has been every city's dream to achieve.

What are major IT companies? ›

Top 10 Most Trusted IT Companies in India 2023
  • Hyperlink InfoSystem. One of the Top IT Companies, Hyperlink InfoSystem is headquartered in Ahmedabad, India, and has offices in the USA, UK, Canada, France, UAE, And Australia. ...
  • Infosys. ...
  • IBM. ...
  • Deloitte. ...
  • Cognizant. ...
  • Accenture. ...
  • Tata Consultancy Services. ...
  • Wipro.
Nov 29, 2022

What are the 5 big tech companies that dominate the market today? ›

Big Tech, also known as the Tech Giants, refers to the most dominant companies in the information technology industry, notably the five largest American tech companies: Alphabet (Google), Amazon, Apple, Meta (Facebook), and Microsoft. These companies are referred to as the Big Five.

Which IT company has most employees? ›

1. Tata Consultancy Services (TCS) - TCS is one of the largest IT services companies in India, and employs over six lakh people worldwide.

What are the fastest growing IT services companies in the world? ›

LTIMindtree (brand value up 75% to US$1.9 billion) is the fastest-growing IT services brand after successfully completing a merger between L&T Infotech and Mindtree in 2022.

What is the most valuable IT company in the world 2023? ›


Apple has reclaimed the top spot on the list of the world's most valuable companies.

Which company has the most advanced technology? ›

Top 10 most influential technology companies in the world
  • TCS. Year Founded: 1968. ...
  • SAP. Year Founded: 1972. ...
  • Deloitte. Year Founded: 1845. ...
  • IBM. Year Founded: 1911. ...
  • Apple. Year Founded: 1976. ...
  • Microsoft. Year Founded: 1975. CEO: Satya Nadella. ...
  • Google. Year Founded: 1998. CEO: Sundar Pichai. ...
  • Amazon. Year Founded: 1994. CEO: Andy Jassy.
Mar 17, 2022

What is the highest-paying IT job in the US? ›

15 of the Highest-Paying IT Jobs in 2023
  • Big data engineer. ...
  • DevOps Engineer. ...
  • Systems security manager. ...
  • Mobile applications developer. ...
  • Applications architect. ...
  • Data architect. ...
  • Database manager. ...
  • Data security analyst.
Jan 30, 2023

Which IT jobs pay the most in US? ›

Data Scientist

Data science is, without a doubt, the highest-paying job and a great career in technology. Demand for data scientists has grown by 29 percent a year and 344 percent since 2013.

Which IT company gives highest salary in us? ›

Highest paying Technology Companies
Top Tech CompaniesEarly Career Median Salary% High Job Satisfaction
14 more rows

What is the second most valuable IT company in the world? ›

At the second position is India's Tata Consultancy Services (TCS) with a brand value increase of 2 per cent, taking its valuation to US $17.2 billion.

Who is No 1 technology in world? ›

Because which country is more advanced than another is subjective, we used the rankings of Global Finance's list for the Most Technologically Advanced Countries In The World 2022 with the only difference being we put the United States in the first spot since it leads the world in technology and it is the home to ...

What is the #1 software company in the world? ›

#1 Microsoft Corp.

Microsoft provides the Windows computer operating systems software, Office applications suite, and the Azure cloud computing service. The largest software company in the world also develops server applications, tablets, and video game consoles.

Which is the No 1 company in world? ›

World's Top 25 Largest Companies
RankNameRevenue USD millions
2State Grid$348,903
4China National Petroleum$326,008
46 more rows

Who is software king in world? ›

Who Is Bill Gates and What Does He Do? Bill Gates, an entrepreneur and businessman, and his business partner, Paul Allen, developed and built Microsoft, the world's largest software company, via technological innovation, astute business strategy, and aggressive marketing methods.

Which is the No 2 IT company in world? ›

It has its headquarters in Bengaluru, Karnataka, India. Infosys is the second largest IT company in India and one of the top 10 largest IT companies in the world in terms of revenue.

Which company makes the best software? ›

The Top 100 Software Companies of 2022
  • Microsoft. Category: Business Processes. ...
  • Adobe. Category: Publishing. ...
  • Twilio. Category: Cloud Management. ...
  • Genesys. Category: Customer Management. ...
  • Nutanix. Category: Cloud Management. ...
  • MathWorks. Category: Data Management & Analytics. ...
  • Qualtrics. Category: Customer Management. ...
  • Cvent.
Jul 13, 2022

Which country is the king of technology? ›

RankingCountryComposite Score
1South Korea6.52
2United States5.10
60 more rows
May 4, 2022

Which is the fastest growing technology in the world? ›

1. Data-driven technologies. Data and analytics (D&A) continues to grow as a key technology trend.

Who has the best military technology in the world? ›

The country with the most advanced military technology is the United States of America (USA). Russia, China, France, and the United Kingdom are the other countries with the most advanced military technology in the world.

Which is the 2nd largest software company in the world? ›

Oracle is the second-largest software company in the world. Larry Ellison, Bob Miner, and Ed Oates launched it on June 16, 1977. Oracle is based in Redwood City, California. This company is the largest provider of database software and Software as a Service in the world (SaaS).

What are the Big 4 companies in software? ›

Big 4 Companies
  • Deloitte. Deloitte Touche Tohmatsu Limited, popularly known as Deloitte, is a multinational company that specializes in professional services networks. ...
  • EY (Ernst & Young) ...
  • KPMG (Klynveld Peat Marwick Goerdeler) ...
  • PwC (PricewaterhouseCoopers)

Who is the richest software developers in the world? ›

As of 2021, the Richest Programmer in the World is Elon Musk with a worth $158 Billion.
Notable rich programmers:
  • Vitalik Buterin worth $500 Million (developed Ethereum)
  • Steve Wozniak worth $100 Million (developed Apple software stack)

What are the 5 richest companies in the world? ›

What Are the Biggest Companies in the World by Revenue?
  • Walmart (WMT) - $576 billion.
  • Amazon (AMZN) - $486 billion.
  • Petro China (PTR) - $443 billion.
  • Saudi Aramco (2222.SR) - $394 billion.
  • Apple, Inc. ( AAPL) - $388 billion.

What company makes the most money? ›

Different industries have different net profit margins. In terms of market value, Apple was the largest company in the world in 2022, with Saudi Aramco following in second.

What company makes the most money per day? ›

Which Company Makes the Most Per Day?
RankCompanyProfit per Day
#1Saudi Aramco$304,039,726
#3Industrial & Commercial Bank of China$123,293,973
#4Samsung Electronics$109,301,918
16 more rows
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