Top 20 Best Business Consulting Services in the USA

Want a look at the best 20 business consulting services in the USA? Well, you are just in the right place.

Before we look at the best business consulting services or firms in the United States, it’s essential to understand what consulting firms are and what they perform.

What is a Consulting Firm?

A consulting firm, also known as a consultancy, is a service provider company that consists of a group of experts or business consultants that provide professional advice to a person or organization for a charge.

Management consultants, in particular, engage with company leaders to provide professionals and market specialists, referred to as subject-matter experts, who are generally schooled in management or business schools. A management consultant’s deliverable is general advice for accomplishing a corporate goal, which leads to a company project. They create solutions and solve complex business challenges.

The tertiary sector includes consulting services, which generate hundreds of billions of dollars in yearly income. Between 2010 and 2015, the top ten consulting companies generated $170 billion in revenue, with an annualized pace of roughly 4%.

While everybody may want to work for one of the top three strategic consulting companies, McKinsey, Boston Consulting Group (BCG), or Bain & Company (Bain), generally known as MBB, it’s worth mentioning several other top consulting organizations that may help advance a career.

Business Consulting Services
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How do you go about becoming a consultant?

As a management consultant, you examine an organization’s operations and seek to improve its efficiency in several areas and make a new business strategy. As an experienced business consultant, you work on issues such as company strategy, finance, marketing, supply chain management, portfolio management, and human resources.

And the objective at hand is to boost productivity and profit by recommending new methods and approaches.

To become a consultant, you must have:

Bachelors Degree:

In terms of educational prerequisites, most consulting firms need at least a bachelor’s degree. You should aim to specialize in your particular profession – marketing, finance, HRD, and so on – and supplement it with relevant minors and courses.

Work Experience:

Management consulting positions in the US typically demand two to three years of expertise in the field. Strategy consulting roles generally require 2 to 3 years of experience. Besides consulting experience, having worked in other program and business management roles may be advantageous.

Some persons start as junior workers within the same organization and gradually progress to consulting roles. Job experience is meant to familiarise you with the reality of the workplace. Taking on greater responsibilities and completing various duties come with a high growth curve!


Although credential programs for management consultants are not required in many cases, they can give you an advantage and gain clarity during the hiring process. They serve as a testament to your education and experience, as well as a supplement to your current practical expertise in management consulting and organizational dynamics.

There are several certifications currently available, ranging from entry-level to those designed for high-level executives who interact directly with clients.


Interviews for business consulting positions are notorious for being lengthy and multi-staged. The entire exercise aims to learn how you operate in a group, how you approach a given topic, how effectively you communicate, do administrative tasks, business decisions, and how well you explain your answer, among other things.

Employers also use case studies, real-life consulting challenges, and facial expression dialogues to assess your time-management skills, analytical and critical reasoning capabilities. The interview also boosts employee morale, and most consultants take the interview process seriously, and after analyzing every aspect, they start hiring consultants.

Now it’s time to take a look at the top 20 business consulting services in the US:

Top 20 Business Consulting Services in the US:

1. Business Consulting Services: Bain & Company

Bain & Company, based in Boston, Massachusetts, is an American consulting firm. It is regarded as among the most prominent companies in the industry as one of the “Big Three” management consultants (MBB). Public, private, and non-profit entities are all served by the business.

In the early 1980s, the corporation saw fast expansion and generated sales of $3.7-$4.5 billion in 2017. With 8,000 people, the company’s network spans 59 sites worldwide.

Bain is notable for its ownership culture, experienced consultants, consulting success which allows employees to have a stronger voice than other competitor companies. Its results-oriented approach will enable high-performers to use their time better and avoid working long hours. They bring industry expertise and business transformation.

Bain has been described as a very political work atmosphere while being more collegial than other consulting firms. It’s been criticized as being cliquish and “frat”-like.

2. Business Consulting Services: Mckinsey & Company

McKinsey & Company is a business consulting business that advises enterprises, organizations, and other institutions on strategic management. McKinsey is the earliest and most prominent of the “Big Three” business consultants (MBB), the world’s top three revenue-generating strategy consulting organizations. Vault has regularly acknowledged it as the world’s most renowned consulting business in terms of giving expert advice, handling clients’ business, providing top-notch financial services, improving customer experience, and cracking a great deal.

McKinsey offers excellent development and advancement opportunities to its workforce. However, due to their rigorous lifestyle, they tend to have a lot of travel, facial expression engagements, and long shifts. This might be an excellent destination for you if you want a job that requires a lot of travel.

Business Consulting Services
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3. Business Consulting Service: Boston Consulting Group (BCG)

The Boston Consulting Group (BCG) is a multinational business consulting organization based in Boston, Massachusetts, formed in 1963.  By revenue, the industry is the second biggest consulting firm. Together with Bain & Company and McKinsey & Company, it is among the Big Three (business consultants) – the world’s three most prominent and most prestigious business consulting companies.

The work-life harmony at Boston Consulting Group is not well-known. When compared to junior advisers and senior execs, the middle ranks struggle. In other words, the hours are long, and the work environment can be stressful.

The Boston Consulting Group offers a variety of diversity and inclusion programs, notably diversity internships. It has formed policy objectives for developing women, ethnicities, and seniors and identifies diversity as a foundational principle.

4. Business Consulting Service: Booz Allen Hamilton

The parent organization of Booz Allen Hamilton Inc., American management and technology consulting firm located in McLean, Virginia, is Booz Allen Hamilton Holding Corporation, in the Greater Washington, D.C. area, with 80 additional locations throughout the world.

The firm’s claimed main business is providing consulting, analytical, and engineering and construction to governmental, commercial, and non-profit organizations.

Due to critical corporate adjustments and C-level choices, employee engagement with Booz Allen Hamilton has fluctuated over time. About 75% of Glassdoor respondents say it’s an excellent place to work, although other consultants say the compensation is getting lower at entry-level positions, making it less competitive.

5. Business Consulting Service: Oliver Wyman

Oliver Wyman is a business consulting business based in the United States. Former Booz Allen Hamilton partners Alex Oliver and Bill Wyman founded the firm in New York City in 1984. It now has over 60 campuses in Europe, North America, the Middle East, and Asia-Pacific, employing over 5,000 business and marketing consultants.

Oliver Wyman is known for having a lively, collegial attitude, which aids new employees in swiftly adapting to complex duties. On the other hand, many Consultants must make a concerted effort to get noticed.

6. Business Consulting Services: A.T. Kearney

Kearney is a multinational business consultancy firm with more than 40 locations worldwide. In worldwide business consulting company rankings such as Vault’s Consulting 50 and Consulting magazine’s “Best Firms to Work For,” Kearney has continuously placed first. Kearney employs about 3,600 people and has operations in 40 countries.

Kearney is routinely ranked among the world’s best management consulting firms.

Kearney has indeed been acknowledged for its friendly and collaborative atmosphere, track record, new ventures, businesses inclusive programs and networks, and varied talent, competitive advantage in addition to its career accomplishments.

7. Business Consulting Services: Accenture

Accenture is a worldwide recognized business consulting organization that offers various services, including strategy, consultancy, digital, information, and operations. It was established in 1989. On September 1, 2009, the firm, previously known as Anderson Consulting, was formed in Dublin, Ireland.

Accenture Strategy is the firm’s C-suite consulting arm. Accenture’s services are used by 95 of the Fortune Global 100 companies. It is well-established in the United States, India, and the Philippines.

The advancement of a career is linear, concentrating on the development of young talents. Many former employees claim that there are plenty of options to leave and that internal growth is constrained, resulting in increased turnover.

Business Consulting Services
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8. Business Consulting Services: Deloitte

With headquarters in London, England, Deloitte is one of the Big Four accounting firms and the world’s most extensive professional services network by revenue and number of professionals. Publications such as Forbes put Deloitte among the most prominent consulting companies. Because of its significant business in the UK and India, it has been awarded #1 in market share consultancy.

Deloitte is known for its unique culture, including a young and active community. Instead of internal rivalry, the emphasis is on collaboration. The stakes are high, and the analysis may be pretty extensive, necessitating each contributor’s high level of academic achievement.

Fast development is facilitated by a great work ethic, interdisciplinary framework, and meritocratic attitude.

9. Business Consulting Services: Ernst & Young (E&Y)

EY, or Ernst & Young Global Limited, is a worldwide financial advisory network headquartered in London, England. EY is one of the world’s largest and most respected networks. In recent years, EY, like many of the more significant accounting firms, has expanded into sectors other than accounting, such as management, operations, HR, technology, and financial sectors consulting.

A worldwide strategy aids Ernst & Young’s diversity efforts to hiring, which allows for better cultural contact amongst personnel, particularly those working in the United States and Europe. The company culture promotes diversity and a welcoming, inclusive atmosphere.

10. Business Consulting Services: KPMG

KPMG International Limited is an international professional services network based in the United Kingdom and the Netherlands and one of the Big Four accounting firms. It is located in New York in the United States.

It has a good reputation in the financial industry. It has been well-known in China and Hong Kong for years of aggressive expansion. It is also known for its extensive experience in outsourcing consulting. This risk management consulting business has been voted one of the best in the industry.

In its recruitment drives, KPMG has made employment balance a top priority. It places a premium on employee wellbeing benefits and offers a variety of remote work choices. Flexible work schedules, job sharing, shorter workweeks, holiday entitlements, and teleconference are all options.

11. Business Consulting Services: Price Waterhouse Coopers (PwC)

Under the PwC name, PricewaterhouseCoopers is a global professional services network of organizations that operate as partnerships. PwC is the world’s second-largest financial advisory network, behind Deloitte, EY, and KPMG. It is a member of the Four Largest accounting firms.

Business Consulting Services
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PricewaterhouseCoopers is the fifth-largest private business in the United States, serving more than 400 Fortune 500 companies. The assurance practice generates $16 billion of the company’s $37.7 billion in yearly revenue.

At all stages of Planning&, a significant mentorship component fosters exceptional performance. However, extended times between advancements are frequent. From Associate to Partner, there are six roles to advance through. Senior Associate is an excellent place to start for MBAs.

12. Business Consulting Services: L.E.K. Consulting

L.E.K. Consulting is a business consulting business based in the United Kingdom. L.E.K was founded in London in 1983 by three Bain & Company partners. It specializes in business strategy, acquisitions and mergers, and operations.

LEK is a very selective corporation, having been designated one of Fortune’s Top 25 Hardest Firms to Interview For. Its global image is enhanced by its corporate social responsibility. It was the first worldwide management consulting business to achieve carbon neutrality in 2008.

13. Business Consulting Services: Roland Berger

Roland Berger is a Munich-based worldwide consulting company. It has a presence in crucial industrialized and emerging economies, with 2,400 workers and 52 offices in 35 countries. Roland Berger is the only European consulting with an international reach and one of the industry’s significant exponents, as the dominant player in Germany.

Roland Berger’s business approach encourages diversity of language and culture, which aids in incorporating a variety of viewpoints. Special hiring events aim to boost the number of women, LGBT workers, and people from different backgrounds in the company.

14. Business Consulting Services: The Bridgespan Group

The Bridgespan Group is a Boston, Massachusetts-based non-profit organization that provides management consultancy to NGOs and donors. In addition to consultancy, Bridgespan offers case studies and articles available for free on its website.

The Bridgespan Group’s website is divided into various learning centers, each focusing on a different component of non-profit administration, such as hiring, strategy, or finance.

The site is dynamic and offers free access to a wide range of materials, including articles, podcasts, videos, Q&A sessions, and various Bridgespan case studies. A job board is also available on the website.

15. Business Consulting Services: Gartner

Gartner, Inc., or just Gartner, is technical research and consulting firm located in Stamford, Connecticut. Research, executive programs, consultancy, and conferences are among the company’s goods and services. Large organizations, government entities, technological firms, and investing communities are Gartner’s clientele.

In 2018, the firm said it had over 12,000 clients from over 100 countries.

Gartner has purchased several firms that provide complementary services over the years, including Actual Decisions (which has since become Gartner Measurement, which is now part of Gartner’s consulting branch) and Gartner Dataquest a market research company.

Meta Group in 2005, AMR Research and Burton Company in early 2010, and Ideas Global in 2012 are just a few of the critical rivals it has bought.

16. Business Consulting Services; Grant Thorton

Grant Thornton is a financial advisory group of independent research and consulting affiliated companies that provide assurance, tax, and financial advisory to privately owned businesses, the interest of the public entities, and public organizations.

It is the world’s seventh-largest by revenue and sixth-largest by number of staff. Grant Thornton Multinational Ltd. is a private corporation limited by guarantee that is a not-for-profit, non-practicing worldwide umbrella membership institution. Grant Thornton International Ltd. is a limited liability company based in London, England, with no shareholders.

Grant Thornton International Ltd. claims that its member businesses operate in over 130 countries, employing around 56,000 people and generating a total global revenue of $5.76 billion.

17. Business Consulting Services: Berkeley Research Group

Berkeley Research Group, LLC (BRG) is a global management consulting firm that provides support in conflicts and inquiries, financing decisions, and strategy and objectives to businesses worldwide.

BRG provides investment, budgetary, and wise advice in a variety of areas, including anti-monopoly and competitive pressure policy, civil suit certification, fabrication, governance practices, damages analysis, energy, atmosphere, and environmental assets, finance and appraisal, financial reporting evaluation, and fraud, forensic financial investigations, health analytics, information technology, insurance and reinsurance, proprietary information, domestic and international arbitration, and more.

18. Business Consulting Services: Alix Partners

AlixPartners is a consulting business based in the United States specializing in turnarounds. Some of the most significant Chapter 11 reorganizations that the company has assisted on include General Motors Co., Kmart, and Enron Corp.

AlixPartners has offices in more than 20 locations across the world, with its headquarters in New York. They, too, were involved in the Bernie Madoff investigation, assisting the prosecution staff in identifying 13,000 investors harmed by the scheme.

Business development consultancy, financial advising services, information management services, and implementing turnarounds of distressed and healthy organizations are all services provided by AlixPartners. GM’s Saab division,[10] Kodak,[11] Barney’s New York,[12], and JC Penney are just a few of AlixPartners’ elevated recovery and bankruptcy projects.

19. Business Consulting Services: FTI Consulting

FTI Consulting is a corporate advising organization with its headquarters in Washington, D.C. FTI ranks as one of the top worldwide business consulting organizations and is one of the world’s leading financial consulting businesses.

Finance function and reorganization, economic advising, forensics and lawsuit consulting, information dissemination, and technology are among the firm’s specialties.

Business Consulting Services
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The company was engaged in the bankruptcy of Lehman Brothers and General Motors and the Bernard Madoff fraud investigation, Bush v. Gore, and the Major League Baseball drug inquiry. FTI Consulting has the largest reorganization business in the USA as of January 2020.

20. Business Consulting Services: Aon

Aon plc is a Global business services corporation that provides insurance, retirement management, and health insurance policies, among other investment risk solutions. Aon employs over 50,000 people across 120 countries. Through acquisitions, Aon established a global footprint.

Aon has agreed to rename Manchester United’s training complex the Aon Training Complex and promote the team’s training outfits for an eight-year period, allegedly worth £180 million to the club.

So, these were the 20 best business consulting services in the US. If you are based in the US, you can definitely choose to work for any of them.

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