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Best Consulting Firms in Each Practice Area
Consultants across the nation rate the top firms in their practice areas.
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2021 Best Consulting Firms for IT Strategy Consulting
#1
Accenture

Accenture works at the intersection of business and technology to help clients improve performance and create sustainable value for stakeholders. The company fosters a “culture of cultures,” where its people experience a sense of belonging and can be their best professionally and personally. Creating this inclusive workplace means ensuring people feel comfortable engaging in honest, open dialogue about difficult topics—such as bias and inclusion—without judgment or career limitation.

49.63% of
2020 Ranking #1
Accenture
#2
Deloitte Consulting LLP

Deloitte is a global provider of audit, tax, financial services and consulting. The firm is one of the Big Four accounting organizations. Services include corporate strategy, marketing and sales strategy, mergers and acquisitions, and innovation; manufacturing operations including supply chain; sector-specific service operations; infrastructure operations including outsourcing advisory and shared services; and financial management.

31.24% of
2020 Ranking #2
Deloitte Consulting LLP
#3
IBM Global Business Services

IBM consultants help clients integrate strategy, process, technology and information to increase effectiveness, reduce costs and improve profit and shareholder value. IBM's services and consulting runs the gamut, from AI and automation to big data to networking and cloud services, and more. They've invested heavily in AI. IBM's portfolio of business-ready tools, applications and solutions are designed to reduce the costs and hurdles of AI adoption while optimizing outcomes and responsible use of AI.

29.14% of
2020 Ranking #3
IBM Global Business Services
#4
McKinsey & Company

What can we say about McKinsey that hasn’t been said about the reigning titan of the industry? Widely considered the first and last word in consulting, this global juggernaut lives the mantra, “Different Worlds, One McKinsey,” through agile and impactful delivery of solutions across a mind-boggling diversity of practices and clients—all centered on the singular standards that earned the firm its international renown.

18.34% of
2020 Ranking #4
McKinsey & Company
#5
Boston Consulting Group

Boston Consulting Group is the second largest consulting firm by revenue and consistently ranks high in our top consulting firms. The firm’s diverse, global teams bring deep industry and functional expertise to organizations, helping them to grow, build sustainable competitive advantage, and drive positive societal impact. Purpose-driven, the firm strives to drive lasting impact for its employees, clients, and society. "You will be challenged... and rewarded," say insiders.

12.84% of
2020 Ranking #6
Boston Consulting Group
#6
PwC Advisory/Strategy&

When your parent is PwC, you’ve got the infrastructure and the resources to build a one-of-a-kind, at-scale strategy business that broadens its capabilities beyond pure strategy work. By harnessing the power of the PwC network, Strategy& delivers visionary yet pragmatic solutions actionable enough to be effectively implemented by the 100,000+ organizations it serves (including 84% of the Fortune Global 500).

11.11% of
2020 Ranking #5
PwC Advisory/Strategy&
#7
Bain & Company

The “heart” of the Big Three, Bain & Company is known as much for its ambition and future-defining innovations as it is for its culture. “A Bainie never lets another Bainie fail,” as the saying goes, because of the rich and deeply compassionate culture that puts its people first and empowers them to deliver consistently outstanding work on a global scale.

9.80% of
2020 Ranking #9
Bain & Company
#8
Capgemini

Capgemini SE is a multinational consulting company that provides consulting, technology, professional, and outsourcing services. The firm helps companies transform and manage their business through technology—from strategy and design to operations, fueled by the fast evolving and innovative world of cloud, data, AI, connectivity, software, digital engineering and platforms.

8.65% of
2020 Ranking #7
Capgemini
#9
SAP Services (IT Consulting)

SAP is the world's third-largest independent software manufacturer, based on market capitalization—a stat that makes the firm a world leader in enterprise applications. SAP solutions help customers automate routine tasks, create tighter connections with customers, automate supply chain issues, and accomplish more with less. SAP Services division helps business customers get the most out of SAP software and technologies.

7.29% of
2020 Ranking #11
SAP Services (IT Consulting)
#10
Booz Allen Hamilton

Booz Allen Hamilton offers services in consulting, analytics, digital solutions, engineering, and cyber, and with industries ranging from defense to health to energy to international development. They are a strategic partner for agencies in numerous sectors of the U.S. Government—from health and energy to defense. The firm plays an integral role in the management of these agencies and, by extension, the defense of our nation.

6.34% of
2020 Ranking #12
Booz Allen Hamilton
#10
Gartner

Gartner is one of the most trusted and prestigious research and advisory firms in the world. Gartner’s research doesn’t just analyze trends in the industry—it sets those trends—and Gartner employees believe that the world’s most comprehensive collection of technology, data, and tools is what drives their learning and development as professionals. Thriving on the frontlines of innovation, Gartner is a place for the tech savvy and the business oriented.

6.34% of
2020 Ranking #10
Gartner
#12
Infosys Consulting

Infosys Consulting is a multinational information technology company that provides business consulting, information technology, and outsourcing services to clients in 50 countries. The company serves clients across a wide range of industries, including telecom, retail, financial services, resources, automotive, tech, industrial manufacturing, oil and gas, utilities, insurance, and more. They specialize in digital transformation through global enterprise solutions, including AI.

5.77% of
2020 Ranking #17
Infosys Consulting
#13
Cognizant

Cognizant is a global consulting firm, providing business consulting, information technology, and outsourcing services. The firm focuses on digital business, digital operations, and digital systems & technology. Key industries include banking, financial services and insurance, healthcare, life sciences, manufacturing & logistics, retail & consumer goods, information, and media & entertainment.

5.71% of
2020 Ranking #12
Cognizant
#14
Tata Consultancy Services

Tata Consultancy Services (TCS) is a global provider of IT services, business solutions, and outsourcing. Through its network delivery model, TCS offers services in e-business, application development and maintenance, architecture and technology consulting, engineering, security, infrastructure development and management services. Industries include communications and information technology, engineering, materials, services, energy, consumer products and chemicals.

5.19% of
2020 Ranking #15
Tata Consultancy Services
#15
Lockheed Martin Corporation (IT Consulting)

Lockheed Martin is a global security and aerospace company that designs and manufactures advanced technology systems and products, and also offers management, engineering, technical, scientific, logistics, and information services. They are mainly focused on domestic and foreign defense and civil markets — with the U.S. Department of Defense and other federal government agencies accounting for the majority of its business. The company's activities are organized around four principal areas: aeronautics, electronic systems, information systems and global services (IS&GS), and space systems.

4.66% of
2020 Ranking #14
Lockheed Martin Corporation (IT Consulting)
#16
KPMG LLP (Advisory)

KPMG is a multinational professional services network and one of the Big Four accounting firms. Organized as a network of firms that each bring services to clients, KPMG spans strategy and operations, analytics, business integration, business intelligence, business process management, change management, growth enablement, integrated business planning, organizational design, outsourcing, shared services, talent management, technology enablement, and transformation. On the risk management side, they offer advisory services in financial risk management, forensic, internal audit, risk and compliance, and IT. Mainly, however, they are known for and specialize in auditing, internal audit, accounting, forensic accounting, compliance, corporate recovery, assurance, tax, risk management, and financial advisory services.

4.19% of
2020 Ranking #16
KPMG LLP (Advisory)
#17
General Dynamics Information Technology

General Dynamics is a publicly traded aerospace and defense corporation and one of the largest defense contractors to the U.S. government. They provide IT systems engineering, professional services, and simulation and training to customers in the defense, federal civilian government, health, homeland security, intelligence, state and local government and commercial sectors. Products and services span business aviation; combat vehicles, weapons systems and munitions; IT and C4ISR solutions; and shipbuilding and ship repair.

4.04% of
2020 Ranking #Not Ranked
General Dynamics Information Technology
#18
BAE Systems North America

BAE Systems Applied Intelligence (BAE AI) is an international business and technology consulting firm owned by BAE Systems. The firm delivers information intelligence solutions to government and commercial clients. BAE AI develops solutions to strengthen national security and resilience. The firm also help its clients collect, exploit and manage data to deliver critical business services more effectively and economically.

3.93% of
2020 Ranking #Not Ranked
BAE Systems North America
#19
Slalom Consulting

Slalom Consulting is a global management consultancy focused on strategy, technology, and business transformation. The firm has specialists across industries, but also share ideas, methodologies and knowledge across all our industry teams. In their own words, by "drawing from our collective expertise in everything from retail to life sciences, we offer a wide-angle view on unconventional solutions—because the best approach is rarely the most familiar." Insiders say the company places a strong emphasis on work-life balance; it is regularly included in roundups and surveys of best places to work.

3.88% of
2020 Ranking #20
Slalom Consulting
#20
Northrop Grumman Corporation (IT Consulting)

Northrop Grumman is an aerospace and defense technology company — and also the world’s largest shipbuilder. The company is involved in the design, manufacture, and maintenance of defense systems across all environments, including underwater, on the ground, in the air, in outer space, and online. Most of the firm’s business is with the U.S. federal government, especially the Department of Defense, but it also contracts with state and local governments, foreign governments, and domestic and international commercial clients.

3.62% of
2020 Ranking #19
Northrop Grumman Corporation (IT Consulting)
#20
Protiviti

Protiviti is a global consulting firm that was formed following a spin-off of Arthur Andersen and the firm brings that expertise in internal audit and business and technology risk consulting to their clients. Protiviti has since grown into a network of firms that is able to provide clients with consulting and managed solutions in finance, technology, operations, data, analytics, and governance, in addition to risk and internal audit.

3.62% of
2020 Ranking #Not Ranked
Protiviti