Consulting firms are a business firm which offers expert advice to various individuals or organizations in charge of some fee. There are many consulting firms in the world offering solutions to millions of global clients. Top 10 Consulting Firms 

Top 10 Consulting Firms by Revenue

The top consulting companies include brands like Deloitte, PwC, KPMG, EY, Accenture, IBM, BCG, Booz Allen etc. Here is the list of the top 10 consulting firms in the world 2020.

10. Booz Allen Hamilton

Booz Allen Hamilton is a global firm engaged in consulting, analytics, digital solutions, engineering, and cyber and with industries ranging from defense to health, energy, and international development.

With around 24000 employees from diverse backgrounds all around the world, the company values a multicultural community of problem solvers and believe in corporate and individual citizenship that make the communities better places for all. With the company headquarter at McLean, Virginia, USA the company operates worldwide through 80 offices around the globe.

The company now has more than 100 years of rich experience in its working. In the FY2017, the company had a revenue of $5.8 billion out of which 97% of the revenue was derived from government agencies, including Department of Defense, Department of Homeland Security, and the U.S. Armed Forces. The company has the high level of US government as its key client. With approximately 4,800 contracts and task orders in the FY 2017, 91% of the revenue was derived from engagements on which the company acted as the prime contractor. It is one of the top consulting companies in the world. Booz Allen Hamilton has been named a “Best Management Consulting Firm” by Forbes ranking, scored 100% in Human Rights Campaign’s Corporate Equality Index (CEI) which is a national benchmarking survey and report on corporate policies and practices related to workplace equality. Ranked 20 in ComputerWorld list of the “100 Best Places to Work in IT” as well as Scored 100% in American Association of People with Disabilities and the US Business Leadership Network. Top 10 Consulting Firms 

Revenue ($ Bn): 7

9. Boston Consulting Group

Boston Consulting Group, known as BCG in short, is another one among the list of leading consulting firms in the world.

With its headquarter at Boston, USA, the company operates globally through its offices in more than 90 locations in as many as 50 countries. With an employee strength of more than 16,000 along with 900 partners and 20,000 alumni, the company has been able to generate a strong network and form a vast client base all around the world. Alongside McKinsey and Bain and Company, BCG is one of the “Big Three” strategy consulting firm or “MBB”.  BCG has multiple partners in various platforms such as BCG Gamma which provide BCG’s data scientists, technologists, and consultants conceptualize, build, and deploy advanced analytics solutions, BrightHouse which is the world’s first ideation company and help companies become purpose-driven, BCG Digital Ventures which is a team of entrepreneurs and investors which help in improving products and services, Expand Research which helps the firms through its decision-support and research services and BCG Platinion which brings together expertise in information technology. It is one of the best consulting companies in the world. The company has been recognized at multiple platforms by numerous external and independent organizations. It has been a part of multiple recognition such as Consulting magazine’s best firm to work for list, fourth in Fortune magazine’s “100 Best Companies to work for”, Human Rights Campaign Award for Workplace Equality Innovation, International Association of Outsourcing Professionals (IAOP)’s World’s Best Outsourcing Advisor (2017), NAFE’s top companies for Executive Women etc.

Revenue ($ Bn): 8

8. McKinsey & Co Top 10 Consulting Firms 

McKinsey & Co. is a global management consulting firm with an experience of around 90 years in it.

The company serves companies, government agencies, NGOs etc and is engaged in providing their clients help to make significant and lasting improvements to their performance and realize their most important goals. With it headquarter in New York, USA, the company operates through offices in more than 120 cities around the globe. With around 14,000 consultants worldwide which include experienced professionals from different fields who all join McKinsey for the opportunity to apply their talents to complex, important challenges. The company, one of the top consulting firms, lays great emphasis on knowledge development, learning and capability building and has been investing more than $600 million of the firm’s resources in it annually. This helps them in studying markets, trends, and emerging best practices, in every industry and region, locally and globally. Their investment in knowledge also helps them in advancing the practice of management. They also publish their findings extensively and engage with leading thinkers on the most pressing issues facing the clients and society. McKinsey has also been doing additional initiatives such as funding the McKinsey Global Institute research organization, publishing of the reports on management topics, publishing of the McKinsey Quarterly since 1964 and authoring many influential books on management. Along with Financial Times, McKinsey & Company, awards the Financial Times and McKinsey Business Book of the Year Award every year to the best business book of the year.

Revenue ($ Bn): 8.8

7. Mercer

Mercer is a professional consulting firm headquartered in New York City, USA.

The company offers consultant services in the field of health and benefits, wealth and investments, workforce and career and mergers and acquisitions. The company is in fact the world’s largest human resource (workforce and career) consulting firm. The company is in the business of creating more secure and rewarding futures for our clients and their employees. Mercer is a wholly owned subsidiary of Marsh & McLennan which is the world’s leading professional services firm in the areas of risk, strategy and people. The company’s has 50,000+ customers spread over 120 nations. The company was established in the year 1937 as William M. Mercer, Ltd which was acquired by Marsh & McLennan Companies in 1959 and merged with its own employee benefits department. The firm expanded through growth and acquisition to become a global leader in health, retirement, investments, and talent. The company has an employee strength of around 23,000 globally which facilitates the firm to have its base in more than 40 countries of the world and provide services to customers in more than 130 countries globally. Mercer, one of the best consulting brands, has been recognized worldwide for its excellence and have been awarded with multiple awards such as it has been recognized by Brandon Hall for excellence in learning and development for the fourth consecutive year and was honored with the Eddy Award in the investment education category.

Revenue ($ Bn): 16

6. IBM Global Business Services

IBM Global Business Service is one among the two divisions of IBM Services, the professional service arm of IBM.

The other division is the IBM Global Technical Services. Through Global Business Services and Global Technology Services, IBM has helped the world’s most successful enterprises transition from era to era. IBM services have focused on boosting using digital reinvention, step-by-step integration of solutions and AI/ cloud solutions. IBM has its head office at New York, USA the company had a total revenue of $79,238 billion in the financial year 2017. The Global Business Service provided for $16,358 billion of revenue. By further segmentation, $7,262 billion came from the consulting operations. In 2017, GBS deployed a new operating model designed to address specific client digital transformation imperatives and take full advantage of IBM and GBS’s competitive differentiators in industry, cognitive and cloud. The operating model features Digital Strategy and iX, Cognitive Process Transformation and Cloud Application Innovation. IBM has also been a recipient of multiple of awards and recognitions. Some of the notable one includes 2017 Best Company for Multicultural Women by Working Mother Magazine, being one of two companies to receive this distinction for 15 years, Working Mother 100 Best Companies list for the 32nd year in a row, he Momentum Award from the Anita Borg Institute’s Top Companies Award, Workplace Pride named IBM one the most LGBT-friendly organizations in the world and ranked 3rd in Mogul’s list of “Top 100 Innovators in Diversity & Inclusion in 2017.

Revenue ($ Bn): 16.6

5. Accenture Top 10 Consulting Firms 

Accenture is a global management consulting firm which provides professional support to companies in various fields such as strategy, consulting, digital, technology and operations.

The company was incorporated in the year 2009 and since has been growing at a rapid rate and is headquartered at Dublin, Ireland. The company claims to have been serving more than three-quarters of the FORTUNE Global 500 and 95 of the top 100. They lay great emphasis on building strong and enduring client relationships. They have been able to retain all of their top 100 clients with them for at least five years, and 98 have been clients for 10 years or more. Accenture has shown a very promising financial performance in the fiscal year 2017 reflecting the company’s growth path that it has been following. The company, one of the largest consulting companies, have gathered for itself a record net revenue of $34.9 billion which is a 7 percent increase in the local currency. The company has exhibited a positive growth across the vast majority of our industry groups, geographic markets and businesses. We also reached an important milestone in fiscal year 2017. The company’s net revenue the new generation technologies and services such as digital, cloud and security services grew by about 30 percent to $18 billion and accounted for 50 percent of total revenues for the first time. The company has been recognized at various platforms time and again. Some of the notable ones includes FORTUNE’s World’s Most Admired Companies for 15 consecutive years and ranked No. 1 in IT Services category for four years, getting Included on the FORTUNE’s Change the World list of the 50 best companies putting purpose at the center of their business strategies and being ranked 305 in FORTUNE’s Global 500 marking 16 consecutive years.

Revenue ($ Bn): 24

4. KPMG

KPMG is a professional service provider with a global network of independent member firms offering audit and assurance, tax & advisory services.

Another one of the “Big Four” Accounting firms of the world, the firm has a global presence in 150+ nations around the world. Collectively, they have around 200000 working employees around the globe in various disciplines having added more than 37,000 graduates and other entry-level professionals this year itself. The company is headquartered in and with a 4.8% revenue growth, has reached a total revenue of US $26.4 billion. The company has been concentrating in becoming more agile, efficient and effective as they compete in an evolving business landscape. Through alliances and acquisitions, they have invested more than US$1 billion over the past 12 months as part of a multi-year investment program focused on technology and developing innovative new services. With a gender-ratio close to 50-50, the company has been following the growth path by facilitating gender-diversity at the same time. The company’s performance and its work ethics has been recognized in multiple platforms. The company has been awarded with the Anti-Money Laundering Firm of the Year in the US Award, International Award for Anti-Money Laundering Advisory of the Year, Financial/Regulatory Risk Advisory of the Year – International, Teresa Pesce ‘s Game Changer of the Year Award, AsPAC’s Anti-Bribery/Corruption Advisory of the Year Award, AsPAC’s Full Service Forensic Advisory of the Year, Full Service Forensic Advisory of the Year, UK Award are a few among the many.

Revenue ($ Bn): 29

3. Ernst and Young (EY)

Ernst and Young (EY) is one among the leading providers of advisory, tax, transactions, assurance and specialty services in the world.

It forms one of the “Big Four” group of accounting firms in the world and has a wide network which follows global approach of integration, providing cross-border service and the same high quality wherever they do business around the world. They have their structure being composed of the Executive and Regions. Their Executive includes the global leadership, governance bodies and the four geographic Areas who all Work together to oversee their global strategy, brand, business planning, investments and priorities. The company, one of the largest consulting firms, has its headquarter in London, UK, and has an employee strength which exceeds 250000 in the world.  They operate in 25+ Regions which are spread across different continents globally. They have around 700 offices which makes its presence in 150 countries of the world. To expand its Advisory business, the company acquired the Panthenon Group, a 23-year-old Boston consulting firm founded by former Bain & Co. executives, in 2014. The company have won 19 Global Most Admired Knowledge Enterprise (MAKE) awards with recent recognition for their efforts to activate a knowledge-sharing culture. The company has also been awarded for several of its innovative solutions to companies across sectors.

Revenue ($ Bn): 36

2. PWC

Another firm among the “Big Four” accounting firms of the world, the company also has a strong network and a wide customer base as the other of the big consulting companies.

With its headquarter in London, UK the company serves to help organizations and individuals create the value they’re looking for, by delivering quality accounting advisory, consulting, tax and regulatory services, government reforms and infrastructural development (GRID), Fintech, etc. The company has a very wide operational areas having offices in 158 countries and employing more than 236,000 people all around the globe, thereby making it among the leading professional services networks in the world. In the FY2017 alone. 59,252 people joined the firm around the world. The company has been showing a strong signal of growth with PwC’s gross revenues of US$37.7 billion in the previous financial year ending June which was up 7% on the previous year. For the FY17, PwC firms claims to have provided services to 419 companies in the Fortune Global 500 company list in addition to more than 100,000 entrepreneurial and private businesses. Having been recognized for its all-round development, PWC has been awarded with several awards which reflects the values it brings along with it. In the Fortune’s 100 Best Companies to work for, PWC, one of the best consulting firms to work with, has been ranked in the top making it 14 times in a row where it has been recognized in the list. Besides, it was ranked #38 on Fortune’s list of “Best Workplaces for Giving Back”, having been in one of friendly employers, ranked #17 on Fortune’s “Best Workplaces for Parents” etc.

Revenue ($ Bn): 42

1. Deloitte

Deloitte is an U.K. based private company which operates to provide services in multiple fields such as audit and assurance, consulting, risk advisory, financial advisory and tax.

Having its headquarter in London, the company is considered to be among the best in terms of revenue and employees network. More than 250000+ professionals are engaged with the company facilitating its strong operations worldwide and thereby generating a revenue of $38 billion dollars worldwide. It is considered one of the “Big Four” accounting firms of the world along with Price Waterhouse Coopers(PWC), Parthenon-EY and KPMG. In the consulting domain, the company works to assist its clients in providing services in the areas of human capital, strategy and operations, technology and finance transformations. These services contributed to 37% of the company’s revenue. The company considers its abilities to solve client’s problems distinctly by delivering strategies and implementations from a business and technology view thereby helping the companies lead in the markets where they operate. The company has been recognized at multiple platforms. Some of its high points includes being ranked second in the Vault’s top 50 accounting firms (2019), recognized in the list of Fortune’s best workplaces in top consulting and professional services, got a place in LinkedIn top companies list, listed in Fortune Magazine’s “100 Best Companies to Work For” list, Fortune’s and DiversityInc’s Top 50 Companies for Diversity, Working Mother’s 100 best companies for working mother to name a few. These awards and recognitions truly reflects the company’s working culture which has been a base for its strong growth.

Revenue ($ Bn): 46

Rank Methodology

1. The 30 top consulting companies are taken.

2. Parameters like revenues and employee strength are taken.

3. The top 10 consulting firms are found on the basis of the revenues. (via MBASkool)

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