10 Largest HR Consulting Firms In The World

The backbone of any good, profitable company lies in human resources. A solid, sound, and stable human resource department allows for smooth hiring, training, and administration processes and improves businesses’ overall functions and operations across all professional industries.

Since good employees are arguably the backbone and most important aspect of any successful business, today, more and more companies rely on large management and human resources consulting firms to help find, hire, and retain key employees.

When it comes to human resources, corporations, both big and small, turn to consulting companies to get the job done.

Globally, several major players are leading the world’s HR consulting services. To break it down, we’ve assembled a list of the ten largest human resources consulting firms in the world, based on their reported annual revenues in 2020.

1. Deloitte Jobs (Overview)

2. Accenture Jobs (Overview)

3. Ernst Young Jobs (Overview)

4. McKinsey Company Jobs (Overview)

5. Boston Consulting Group Jobs (Overview)

6. Bain Company Jobs (Overview)

7. Mercer Jobs (Overview)

Here are the world’s top 10 largest HR consulting firms:

1. Deloitte. New York, United States

   2020 Annual Revenue: $47.6 billion
   2020 Growth Rate: +3.0%
   Number Of Employees: 334,800

   Deloitte is one of the largest management consultancy agencies in the world, offering human capital, strategy and operations, and technology services to a range of global public and private businesses.

   With more than 300,000 staff members employed worldwide, Deloitte Consulting LLP is both the largest grossing and largest employing human resources consulting firm in the United States.

   Prioritizing human resources, talent, and organizational policies, Deloitte consultants consider global human capital trends and use market research, analytics, and industry insights to improve programs, enhance leadership, and drive human resources projects.

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2. Accenture. Dublin, Ireland

   2020 Annual Revenue: $44.3 billion
   2020 Growth Rate: +2.5%
   Number Of Employees: 537,000

   Employing more than half a million employees globally, it’s no surprise that Accenture is one of the world’s largest leading HR consulting firms. While Accenture is headquartered in Ireland, the company operates in more than 120 countries, including the United States, and employs more than 50,000 people in America.

   When it comes to human resources consulting, Accenture is known for embracing diversity as a source of innovation and harnessing the human potential for more than 6,000 international clients, including large tech companies and security businesses.

   In addition to being one of the most profitable HR consulting companies globally, Accenture is also categorized as one of the world’s most admired companies and is ranked third on the Refinitiv Diversity and Inclusion Index.

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3. Ernst Young. London, United Kingdom

   2020 Annual Revenue: $37.2 billion
   2020 Growth Rate: +4.1%
   Number Of Employees: 298,965

   Ernst Young LLP Consulting Practice of EY markets itself as “building a better working world” for businesses and corporations.

   The HR consulting giant uses the power of people, innovation, and technology to fuel business strategies and help organizations, from start-ups to Fortune 500 companies, find success in their industry. The company’s assurance services package — including auditing and financial accounting consulting — remains a key focus and income driver.

   Since its inception in 1989, Ernst Young’s consulting services have expanded to serve 28 regions in the Americas, Europe, the Middle East, India and Africa, and Asia-Pacific. Today, the company operates more than 700 officers in over 150 different countries.

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4. Aon Hewitt. London, United Kingdom

   2020 Annual Revenue: $11.1 billion
   2020 Growth Rate: +1.0%
   Number Of Employees: 50,000

   This England-based HR consulting firm yields some of the biggest profits in the world. Aon Hewitt, formally known as Hewitt Associates, provides human resources, management, risk, retirement, and health solution consulting services to clients and corporations in more than 100 countries worldwide.

   With a team of 50,000 employees, Aon Hewitt works to confront businesses’ challenges head-on.

   The billion-dollar company specializes in providing organizations solutions in the following areas: health and benefits, global benefits, retirement, investment consulting, compensation, talent and organization, mergers and acquisitions, and communication.

   Especially enticing is Aon’s talent consulting services, which helps clients manage the recruitment process, engage with potential talent, make smart hiring and selection decisions, and attract and retain hardworking employees.

5. McKinsey Company. New York, United States

   2020 Annual Revenue: $10 billion
   2020 Growth Rate: -4.76%
   Number Of Employees: 30,000

   McKinsey Company has been offering HR consulting services to businesses and corporations in the United States and across the globe since 1926. Today, the long-standing human resources consulting firm operates over 100 offices in more than 50 different countries.

   The human resources consulting firm operated in 65 countries around the world. It marketed itself as helping businesses and corporations in the private, public, and social sectors “create the change that matters most to them.”

   With over 90 years of management consulting expertise, McKinsey Company continues to be one of the longest operating and largest HR consulting agencies globally.

   It should be noted that McKinsey Company does not publicly release their annual revenue reports. Experts estimate, however, that the firm’s annual revenue for 2020 was approximately $10 billion, compared to an estimated $10.5 billion in 2019.

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6. Willis Towers Watson. London, United Kingdom

   2020 Annual Revenue: $9.35 billion
   2020 Growth Rate: +3.0%
   Number Of Employees: 45,000

   Willis Towers Watson is a professional service firm that offers insurance brokerage, risk management, and human resource consulting and advising services to global clients across more than 140 countries and markets.

   Within the company’s HR consulting services, Willis Towers Watson specializes in assessing risk, optimizing benefits, cultivating talent, and expanding capital for a wide variety of businesses and corporations.

   With roots dating back to 1828, the company has remained focused on client success, excellence, teamwork, and integrity for nearly 200 years. Most recently, in March 2020, Willis Towers Watson was acquired by British professional services firm Aon.

7. Boston Consulting Group. Boston, United States

   2020 Annual Revenue: $8.6 billion
   2020 Growth Rate: +8.0%
   Number Of Employees: 22,000

   Based in Boston, Massachusetts, this billion-dollar human resources consulting firm was founded in 1963 and is regarded as one of the “big three” consulting agencies and Bain Company and McKinsey Company.

   The Boston Consulting Group, or BCG, markets itself as using the human potential to shape strategic, organizational, economic, and societal change within new and established global companies. The company’s global team is highly regarded for offering management, technology, and corporate consulting services.

   Throughout its nearly 60 year history, the Boston Consulting Group has partnered with clients in the private, public, and not-for-profit sectors. Today, the HR consulting firm operates officers in more than 50 countries and routinely works with clients that rank among the world’s largest 500 corporations.

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8. Bain Company. Boston, United States

   2020 Annual Revenue: $5 billion
   2020 Growth Rate: +11.1%
   Number Of Employees: 12,000

   Bain Company continuously ranks as one of the world’s leading and largest human resources firms. The HR giant offers superior consulting services in talent design, development, and deployment.

   With a specified focus on successful business outcomes, Bain prides itself in customizing talent and recruitment strategies to accelerate its goals. The HR consulting company is known for viewing and measuring human resources projects regarding return on investment.

   Founded in 1973, Bain Company is headquartered in Boston, Massachusetts, but operates from offices in 26 countries.

   It should be noted that Bain Company does not publicly release their annual revenue reports. Experts estimate, however, that the firm’s annual revenue for 2020 was approximately $5 billion, compared to an estimated $4.5 billion in 2019.

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9. Oliver Wyman. New York, United States

   2020 Annual Revenue: $2.0 billion
   2020 Growth Rate: -4.0%
   Number Of Employees: 5,000

   Founded in New York City in 1984, Oliver Wyman is a management and human resources consulting firm that operates more than 60 offices throughout North America, Europe, the Middle East, and the Asia-Pacific region.

   The consulting firm is part of the Oliver Wyman Group, owned and operated by Marsh McLennan, the global professional services firm specializing in risk, strategy, and people, which reported a 2020 revenue of $17.2 billion.

   Today, with 37 years of consulting experience, Oliver Wyman now offers services in a variety of industries, including business, automotive, education, communications, media, and technology, energy, financial services, health, and life sciences, industrial products, retail, and consumer goods, public sector and policy, and transportation.

10. Mercer. New York, United States

    2020 Annual Revenue: $1.42 billion
    2020 Growth Rate: -2.0%
    Number Of Employees: 25,000

    Much like Oliver Wyman, Mercer is an HR consulting firm that operates as a subsidiary of Marsh McLennan, the global professional services firm specializing in risk, strategy, and people, which reported a 2020 revenue of $17.2 billion.

    The human resources consulting firm is focused on employee healthcare and investment and prides itself on “building brighter futures by redefining the world of work” and reshaping retirement options for working professionals.

    Founded in 1945, Mercer has been providing human resources consulting services for 75 years and is now a global leader in health, retirement, investments, and talent. Today, Mercer operated in more than 130 countries across the world.

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Author

Elsie Boskamp

Elsie is an experienced writer, reporter, and content creator. As a leader in her field, Elsie is best known for her work as a Reporter for The Southampton Press, but she can also be credited with contributions to Long Island Pulse Magazine and Hamptons Online. She holds a Bachelor of Arts degree in journalism from Stony Brook University and currently resides in Franklin, Tennessee.