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Top Consulting Firms in World

Top Consulting Firms in World | The Complete List

Everywhere on the earth, there are management consulting firms that cater to almost every industrial specialty. Although McKinsey & Company, Boston Consulting Group, and Bain & Company are well-known, many additional consulting companies provide excellent client service and a terrific workplace environment. We’ve put up a list of the top consulting firms in world for you.

There are numerous factors to take into account when deciding which consulting business would be the best fit for you if you’re an aspiring consultant, so don’t limit yourself to the Top 3 (MBB) consulting firms.

What is a Consulting Firm?

top consulting firms in world

A consulting firm or a consultancy is a service providing business comprising of a panel of experts or consultants who offer professional advice to a person or an organization at a specific cost or fee.

A consultant is an individual who is adept in his or her field and is experienced and qualified enough to attend to the needs of his clients. A consultancy firm basically targets the company’s executives and provides them with consultants often referred to as industry specialists.

They are the ones to guide down the company’s plan of action in order to achieve the company’s objectives or make up a strategy before the start of a new project. A consulting firm might also come handy in the time of crisis.

For those aspiring to enter the realm of consulting firms, understanding the dynamics of the industry is key. How to break into Consulting Firms involves acquiring the necessary skills, qualifications, and industry knowledge. This can be achieved through education, relevant work experience, and networking within the consulting community.

Developing a strong understanding of industry trends and honing problem-solving abilities are essential steps in preparing to join the ranks of esteemed consulting firms.

How to become a Consultant?

In order to become a consultant, a bachelor’s degree in business or related field is a standard. Apart from that, you need a certification, at least 2 years of experience and the required skill set.

A degree in the area of business, management, finance or analytic studies is the basic prerequisite when planning your career in a consulting firm. Good communication, interpersonal, analytical and critical thinking skills, strong time management abilities, organizational skills are the skills necessary to be a consultant.

Experience and sophistication is another important factor when making a career as a consultant. After completing the basics of becoming a consultant, one needs to be more specific about the area of consultancy he or she is willing to head. There are six types of consultants :

  • Strategy consultant
  • Management consultant
  • Operations consultant
  • Financial advisory consultant
  • Human Resource consultant
  • IT consultant

Once you are through the process of being a consultant, you would like to know about the top consultancy firms willing to hire you. So, if becoming a consultant at one of the top consulting firms in world is your dream.

List of Top Consulting Firms in World

top consulting firms in world

Navigating the complex landscape of global consulting firms involves recognizing the elite players in the industry known for their unparalleled expertise, innovation, and impact across various sectors. The world of consulting, especially as recognized by the Financial Times Consulting Firms, is driven by firms that offer exceptional advisory services, strategic solutions, and unparalleled insights to organizations and businesses.

These top consulting firms in world powerhouses are renowned for their commitment to delivering transformative strategies, problem-solving, and fostering innovation. Their influence is felt across diverse industries, including finance, technology, healthcare, and management, making them critical drivers of global business innovation and success.

Company Founded Year
McKinsey & Company 1926
The Boston Consulting Group, Inc. 1963
Bain & Company 1973
Deloitte Consulting LLP 1845
PricewaterhouseCoopers 1998
Booz Allen Hamilton 1914
L.E.K. Consulting 1983
EY-Parthenon 1991
Strategy& 1914
Gartner, Inc. 1979
Mercer LLC 1945
Lockheed Martin Corp 1912
GE Healthcare Partners 1994
Capgemini 1967
Oracle Consulting 1977
Cisco Systems, Inc. 1984
SAP Services 1972
Grant Thornton 1924

1. McKinsey Company

top consulting firms in world

McKinsey & Company is a world-renowned management consulting firm. The company is based in America and was founded 92 years ago in 1926 by James O McKinsey and Marvin Bower.

The company provides its service worldwide. Its headquarters is located in New York City with 127 offices spread across the world. It has a network of more than 27,000 employees making it a billion dollar company with a revenue of more than 10 Billion!

It follows a strict culture of work and ethics with highly motivated and zealous employees. The company values traits like loyalty and integrity. It also offers some of the best Masters salary to its students.

2. The Boston Consulting Group, Inc.

Boston Consulting Group, Inc, also known as BCG. is a privately incorporated management consulting firm. It was founded by Bruce Henderson in the year 1963. The company has a revenue of $6.3 million as of 2017 with more than 90 offices at different locations across the world. It has more than 16,000 employees working worldwide.

It was among top 5 Consulting Companies as per Forbes World's Best Consulting Firms 2023

3. Bain & Company

Bain and Company is a top consulting firm specialized in the area of management consultancy. It was founded in the year 1973 and its headquarters are located in Boston, Massachusetts.  This is one of the most popular companies for MBA jobs

The company is an incorporated partnership with William W. Bain and Patrick F as its founders. The company showed rapid growth in the early ’80s and was successful in generating a revenue of $3.7-$4.5 Billion in the year 2017.

The company has its network spread in 59 locations worldwide with a force of 8,000 employees. It has a number of awards in its name such as Consulting Magazine’s 2016 “Best Firms to Work for” and was ranked in the Fortune magazine as the “100 best companies to work for” in the year 2018.

4. Deloitte

Deloitte Consulting LLP is the world’s largest management consulting firm and one of the big four accounting firms and has one of the largest professional networks worldwide.

It was founded in 1845 by William Welch Deloitte in London and further expanded its operation in New York in 1880. One can get a job here after persuing best degrees for future. The major services provided by Deloitte include Audit, Tax, Management Consulting, Financial advisory, Risk Advisory, and Legal.

Inside Public Accounting named Deloitte as #1 accounting firm in 2017, and is also listed as one of the “100 Best Companies to Work For” by Fortune magazine. The company generated revenue of US$43.2 Billion in 2018 and has a working staff of 286,200 across the world with more than 100 operational locations, including China, India and Hong Kong.

5. PricewaterhouseCoopers

PricewaterhouseCoopers is a multinational business offering professional service to its clients since 1998 and is one of the top management consulting firm in the world.

The company’s headquarters is based in London, United Kingdom and is known as the second largest professional services firm and also has its name amongst the Big Four Auditors.

It has a revenue of $41.3 Billion as of 2018 with 250,930 employees working worldwide. PwC has a network of firms in 158 countries, at 743 locations.

PricewaterhouseCoopers offers services in assurance, advisory, tax advisory, strategy consulting, tax controversy, data and analytics, management consulting, financial advisory, actuarial and legal.

6. Booz Allen Hamilton

Booz Allen Hamilton is a management and information technology consulting firm based in America. Its headquarters is located at Virginia in Greater Washington. It was founded in 1914 by Edwin G. Booz, James L. Allen, and Carl L. Hamilton. It has a revenue of US$5.48 Billion with an employee network of 22,000.

7. L.E.K. Consulting

L.E.K. Consulting is an international management consulting firm that offers professional services in corporate strategy, mergers, acquisitions, and operations. It has its headquarters in London, the UK with another in Boston, Massachusetts heading the US counterpart. L.E.K. was founded in 1983 by three individual partners from Bain & Company – James Lawrence, Iain Evans, and Richard Koch.

It has 1,200 employees in its 19 offices spread across the globe.

L.E.K Consulting was ranked as the most desirable management consulting employer for MBA students, as well as the 2nd most desirable employer overall for MBA students in 2017 and was also named as the ‘Strategic Consultants of the Year’ at the 2015 Health Investor Awards.

8. EY-Parthenon

EY Parthenon is a top management consulting firm focusing on delivering services in strategy, marketing, and operations. The Parthenon Group was founded in the year 1991 and later EY merge with Parthenon Group to expand and diversify their traditional auditing roots into additional profitable businesses.

Its headquarters is located in Boston, Massachusetts, United States. EY-Parthenon was listed in “The Best Management Consulting Firms” in Forbes 2018 list. The 4 main services EY-Parthenon provides to their clients are Investment Strategy, Transaction Evaluation, Corporate Strategy, and Value Optimization.

9. Strategy&

Strategy& is a renowned management consulting firm and a subsidiary alliance of PwC. It is recognized in providing excellent services in strategic consulting. Its headquarters is located in New York City, USA.

It was founded in the year 1914 as the Business Research Service, which was later renamed as Booze and Company. Later in 2008, Booze and Company was dissolved and was succeeded by Strategy&. The company has shown a remarkable growth with a revenue of more than US $1.3 billion. It offers employment to 3000 people in its 72 offices across the world.

10. Gartner, Inc.

Gartner Inc is a multinational public company founded in 1979 by Gideon Gartner. It is top research consulting firm extending its services in providing expert advice and tools for leaders in IT, Finance, HR, Customer Service, and Support, Legal and Compliance, Marketing, Sales, and Supply Chain functions across the globe. Its headquarters is located in Connecticut, USA.

Gartner has a large client network including big corporations, government agencies, technology companies, and the investment community. They have a strong client association with more than 12,000 organizations in over 100 countries. Gartner has a number of 15,000 employees working in around 100+ offices across the world. It generated revenue of US $3,3 billion in 2017 showing rapid growth in operative income and total assets.

11. Mercer LLC

Mercer LLC is a globally acclaimed multinational company and also the world’s largest human resource consulting firm. Founded in 1945, the company is a subsidiary firm of Marsh and McLennan. Mercer has its offices in more than 180 cities across 40 countries with an employee network of more than 21,200. The company has international relations in more than 130 countries and operates remotely 0with its stellar services.

Mercer majorly serves in three areas including Health, Wealth and Career having a client relationship with top companies like Fortune 1000 and FTSE 100. It generated revenue of US $ 4.3 billion.

12. Lockheed Martin Corp (IT Consulting)

top consulting firms in world

Lockheed Martin Corp is the top management consulting firm in the field of aerospace and defense consulting. It is a global security consulting firm with partner clients like the U.S. Department of Defence and other government agencies. The company is based in America and has its headquarters in Bethesda, Maryland.

Lockheed Martin Corp has a large network of more than 97,000 employees working in 500 cities in 46 U.S. states and 75 foreign countries.

According to historical stats, more than 80 percent of the firm’s annual revenue has come from the U.S. government, with sales to international governments and a small amount of commercial activity making up the remainder.

13. GE Healthcare Partners

GE Healthcare Partners is a subsidiary of GE Healthcare of multinational fame. The company was founded in 1887 and its headquarters is based in London, United Kingdom. The company offers strategic solutions to healthcare management consultancy, analytics, technology, leadership, and governance. It is considered one of the best healthcare consulting firms in the world.

It has a small employee network with 150 specialists working remotely at 150 global locations.

14. Capgemini

Making it to the list of top 25 consulting companies, Capgemini is the only French company which is globally recognized for offering professional services and business consulting. Capgemini was founded in the year in 1967 by Serge Kampf. Its headquarters is located in Paris, France and is a Societas Europaea (European Society) company.

Capgemini provides IT services and is one of the world’s largest IT consulting, outsourcing and professional services companies with over 200,000 employees in over 40 countries. It has a revenue of 12.79 billion euros in the year 2017.

15. Oracle Consulting

Oracle Consulting is a member firm of the multinational Oracle Corporation, one of the biggest hardware and software providers in the world. The organisation provides professional services in the field of IT consulting. It was founded on 16th June 1977 by Larry Ellison, Bob Miner, and Ed Oates. Its headquarters is located in Redwood Shores, California.

The company has a big name in the silicon valley with an employee network of 137,000. Oracle was also the third largest software makers by revenue just after Microsoft and Alphabet. Oracle generated revenue of US $39.83 billion as of 2018.

16. Cisco Systems, Inc. (IT Consulting)

Cisco System is a multinational company based in America dealing with the manufacture and sale of networking hardware, telecommunication equipment, and other high technology products. Its headquarters is located in the heart of silicon valley in San Jose, California.

Cisco Systems was founded by Leonard Bosack and Sandy Lerner (two Stanford University computer scientists) in December 1984. It a public company with a revenue of US $ 49.33 billion in 2018.

Cisco systems has a network of 22,400 employees working at different locations worldwide. It is both a product based and service based company and is considered a pioneer in the tech world. It has a long list of awards and accolades under its name and was ranked 20th by the Fortune in “Best Companies to Work For” to name a few.

17. SAP Services (IT Consulting)

SAP Services is a Germany based multinational software company dealing with IT consulting. It stands for Systems, Applications and Products in data processing. It was founded in the year 1972 and has its headquarters located in Waldorf, Germany. The company has its offices in 180 countries with a network of 94,989 employees working day and night to cater to the needs of its 335,000 customers worldwide.

The company is a component of the Euro Stoxx 50 stock market index and generated a revenue of 23.46 Billion Euro.

18. Thornton

Grant Thornton is a globally renowned American company and the sixth largest U.S. accounting and advisory organization.

It was founded in the year 1924 and is a limited liability partnership. Its headquarters is located in Illinois, Chicago, U.S.A and has 58 offices spread across the US with 7,841 working employees. It offers professional services in Auditing, Tax and Advisory. The company generated revenue of US $1.74 billion as of 2017.

Grant Thornton was ranked No. 8 at “Best Places to Work 2016” in the Crain’s Chicago Business list. In 2014, Grant Thornton was named one of the “100 Best Companies for Working Mother”. Not only this, Grant Thornton was awarded the winning prize in Network of the Year by the International Accounting Bulletin in 2013.


These firms are the best in their fields with very high standards and, therefore, gaining employment there in a good position is not a mere cakewalk. But, for deserving candidates, working in and gaining experience from one of these top consulting firms in world is sure to enhance their professional abilities and advance their career growth.


What qualifications do global consulting firms seek from Indian applicants?

Global consulting firms look for a combination of academic excellence, problem-solving skills, leadership qualities, and the ability to work in diverse teams. Advanced degrees, such as MBA or specialized certifications, can be advantageous.

How crucial is prior work experience for Indian students applying to these consulting firms?

Work experience, particularly in relevant sectors, enhances an applicant's profile. However, some firms value a mix of experiences, including internships, projects, or professional achievements.

Do consulting firms consider candidates from non-business or non-consulting backgrounds?

Yes, consulting firms often appreciate diverse backgrounds as they bring different perspectives. Candidates from engineering, science, humanities, or other non-traditional fields may offer unique insights.

What are the typical interview formats or rounds conducted by consulting firms for Indian applicants?

Interviews may involve case studies, behavioral or situational questions, and analytical problem-solving. Practicing case interviews and being prepared for behavioral questions is recommended.

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Abhyank Srinet
Study Abroad Expert
Abhyank Srinet, the founder of, is a globally recognized expert in study abroad and admission consulting.His passion lies in helping students navigate the complex world of admissions and achieve their academic dreams. Having earned a Master's degree in Management from ESCP Europe, Abhyank's expertise in data-driven marketing strategies has driven growth for some of the most competitive industries. As the founder of, he has helped thousands of students get into top business schools with a strong emphasis on research, shortlisting, and applying to schools from a single platform. His dedication to education has also led him to create MentR-Me, a free-to-use social platform that simplifies the study abroad process for students, while providing universities with a powerful recruitment tool. As a leader in the field of admission consulting, he is constantly researching and implementing the latest strategies to ensure that his clients receive the best possible guidance. He leads the Business Development and Digital Marketing side of both companies, and has grown both ventures to 7 figure revenue.His unique insights, experience, and dedication to his clients make him a valuable resource for anyone seeking to advance their education or career.
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