Strategy consulting companies focus on advising organizations in navigating complex challenges and formulating strategic decisions. They offer tailored insights in areas like digital transformation, operational excellence, and market entry strategies. Recent trends emphasize the integration of data analytics and technology into consulting services, which allows for more agile business strategies. As companies increasingly face rapid changes, the demand for high-caliber consulting firms continues to rise. This industry is becoming more collaborative, wherein consultants work alongside client teams, ensuring the development of solutions that are actionable and sustainable.

The list includes a range of strategy consulting companies, varying in size from small firms with 200 employees to large enterprises with over 10,000 employees. Most are headquartered in major cities, such as New York, Boston, and London, and have been established since the mid-20th century, showcasing notable longevity in the industry. These firms specialize in varied areas, including management, digital strategy, and operational improvement, serving a global clientele across industries from healthcare to finance.

Continue reading to explore the top strategy consulting companies.

Top 20 Strategy Consulting Companies Companies

1. Boston Consulting Group (BCG)

• Website: bcg.com
• Ownership type: Corporate
• Headquarters: Boston, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 31%, India 13%, Germany 8%, Other 48%
• Latest funding: December 2020
• Founded year: 1963
• Headcount: 10001+
• LinkedIn: boston-consulting-group

Boston Consulting Group (BCG) is a management consulting firm based in Boston, Massachusetts, founded in 1963. With over 37,000 employees, BCG provides strategic advice and solutions to businesses and organizations across various sectors. The firm assists clients in addressing complex challenges, driving transformation, and achieving sustainable growth. BCG's services cover a wide array of industries, including healthcare, financial services, technology, and consumer products. The firm is known for its analytical approach and commitment to helping clients improve their operations and strategies. BCG also emphasizes the importance of digital transformation and operational improvement in its consulting practices, ensuring that clients can adapt to changing market conditions. The firm operates globally, with a significant presence in key markets such as the United States, India, Germany, and the United Kingdom.

2. McKinsey & Company

• Website: mckinsey.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 34%, India 14%, Germany 6%, Other 46%
• Founded year: 2014
• Headcount: 10001+
• LinkedIn: mckinsey

McKinsey & Company, founded in 1926 and headquartered in New York City, is a global consulting firm that specializes in management and strategy consulting. With over 39,000 employees worldwide, McKinsey serves a broad spectrum of clients, including corporations, governments, and non-profit organizations. The firm is recognized for its analytical approach and deep industry knowledge, helping clients tackle complex challenges and enhance their operational efficiency. McKinsey's services span various sectors, including technology, healthcare, finance, and energy, among others. The firm is also known for its thought leadership, producing extensive research and insights that influence business practices and policy decisions. McKinsey operates through a network of offices across the globe, allowing them to leverage local expertise while maintaining a consistent global standard of service.

3. Bain & Company

• Website: bain.com
• Ownership type: Private
• Headquarters: Boston, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 35%, India 18%, United Kingdom (UK) 6%, Other 40%
• Founded year: 1973
• Headcount: 10001+
• LinkedIn: bain-and-company

Bain & Company, established in 1973 and headquartered in Boston, Massachusetts, is a management consulting firm that specializes in providing expert advisory services to a wide array of clients, including public, private, and non-profit organizations. The firm is particularly recognized for its strategic consulting capabilities, assisting clients in navigating intricate business challenges and driving growth. Bain's areas of expertise include customer experience, sustainability, and innovation, which are critical for organizations aiming to adapt to changing market dynamics. With a workforce exceeding 22,000 employees and offices in major cities around the world, Bain is positioned to deliver impactful solutions tailored to the unique needs of its clients. The firm has not reported any recent funding, indicating its stability and established presence in the consulting industry.

4. Oliver Wyman

• Website: oliverwyman.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 30%, United Kingdom (UK) 10%, United Arab Emirates 9%, Other 50%
• Founded year: 1984
• Headcount: 5001-10000
• LinkedIn: oliver-wyman

Oliver Wyman is a management consulting firm based in New York, founded in 1984. The company specializes in providing strategic advisory services to businesses and organizations across multiple sectors. With a workforce of approximately 9,159 employees, Oliver Wyman operates globally, with a notable presence in the United States, the United Kingdom, the United Arab Emirates, Germany, and Poland. The firm focuses on management consulting, digital transformation, and industry-specific consulting, assisting clients in navigating complex challenges and achieving sustainable growth. Their approach is characterized by a commitment to delivering impactful results, which has earned them a reputation among enterprises, investors, and regulators. Oliver Wyman's research and insights cover a wide range of topics, including cybersecurity, healthcare, and financial services, reflecting their deep industry knowledge and expertise.

5. Kearney

• Website: kearney.com
• Ownership type: Private
• Headquarters: Chicago, Illinois, United States (USA)
• Employee distribution: United States (USA) 17%, India 16%, United Arab Emirates 15%, Other 52%
• Founded year: 1926
• Headcount: 5001-10000
• LinkedIn: a-t--kearney

Kearney is a management consulting firm headquartered in Chicago, Illinois, with a workforce of over 8,000 employees globally. Founded in 1926, the firm has built a reputation for addressing complex business challenges across multiple sectors, including aerospace, automotive, healthcare, and technology. Kearney specializes in areas such as digital analytics, leadership development, and sustainability, helping organizations enhance their operational efficiency and strategic positioning. Their commitment to sustainability and social impact is evident in their initiatives and insights, which aim to guide businesses toward responsible growth. Kearney's global presence, with significant operations in the United States, India, and the UAE, further underscores their capability to serve clients in various markets effectively.

6. Strategy&

• Website: strategyand.pwc.com
• Ownership type: Private
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 30%, United Kingdom (UK) 12%, Germany 10%, Other 47%
• Founded year: 2014
• Headcount: 1001-5000
• LinkedIn: strategyand

Strategy& is a consulting firm based in New York, New York, founded in 2014. As part of the PwC network, it specializes in strategic consulting services aimed at helping businesses tackle complex challenges. The firm focuses on areas such as business strategy, digital transformation, and operational efficiency. Their clientele spans multiple industries, including automotive, healthcare, and financial services, where they provide expert guidance to foster growth and innovation. With a workforce of approximately 5,934 employees, Strategy& operates globally, with significant presence in the United States, United Kingdom, Germany, and the United Arab Emirates. The firm has not reported any funding, indicating it operates as a well-established entity within the PwC framework.

7. PA Consulting

• Website: paconsulting.com
• Ownership type: Corporate
• Headquarters: London, England, United Kingdom (UK)
• Employee distribution: United Kingdom (UK) 76%, United States (USA) 10%, Denmark 6%, Other 9%
• Latest funding: $2.4B, November 2020
• Founded year: 1943
• Headcount: 1001-5000
• LinkedIn: pa-consulting

PA Consulting is a consulting firm based in London, UK, founded in 1943. With a workforce of over 5,000 employees, the company provides professional services across multiple sectors, including consumer goods, healthcare, and energy. PA Consulting focuses on strategic consulting, digital transformation, and organizational development, assisting clients in overcoming complex challenges and driving innovation. Their approach combines strategic insight with practical implementation, enabling organizations to adapt and thrive in a rapidly changing environment. The firm has a notable presence in the UK, with a significant portion of its workforce located there, and has expanded its reach to the United States and several European countries. PA Consulting has also received substantial funding, indicating investor confidence in its business model and growth potential.

8. Sia

• Website: sia-partners.com
• Ownership type: Private Equity
• Headquarters: Paris, Île-De-France, France
• Employee distribution: France 49%, United States (USA) 18%, Canada 7%, Other 26%
• Latest funding: December 2024
• Founded year: 1999
• Headcount: 1001-5000
• LinkedIn: sia-partners

Sia Partners, founded in 1999 and headquartered in Paris, is a consulting firm that provides management consulting and advisory services across a wide array of sectors. The firm employs approximately 3,143 professionals and operates in over 20 countries, including significant markets like the United States, Canada, and the United Arab Emirates. Sia Partners focuses on areas such as business transformation, data and AI solutions, and cybersecurity, catering primarily to businesses and organizations looking to improve their operational efficiency and adapt to market changes. Their expertise spans various industries, including automotive, banking, energy, and healthcare, allowing them to offer tailored solutions that address specific client needs. Sia's innovative approach integrates technology with consulting services, positioning them as a forward-thinking partner for organizations aiming to thrive in a rapidly evolving business environment.

9. Implement Consulting Group

• Website: implementconsultinggroup.com
• Ownership type: Private
• Headquarters: Hellerup, Denmark
• Employee distribution: Denmark 70%, Sweden 13%, Germany 7%, Other 11%
• Founded year: 1996
• Headcount: 1001-5000
• LinkedIn: implement-consulting-group

Implement Consulting Group, founded in 1996 and based in Hellerup, Denmark, is a management consultancy that specializes in helping organizations tackle complex challenges through strategic consulting, operational transformation, and digital innovation. With a workforce of approximately 1,800 employees, the firm operates primarily in Denmark, Sweden, Germany, Switzerland, and Norway. They focus on co-creating solutions with clients across various sectors, including healthcare and financial services. Their services include strategy development, operational efficiency, and digital transformation, which are critical for organizations aiming to adapt to changing market dynamics. Implement Consulting Group is known for its collaborative approach, working alongside clients to ensure that strategies are not only developed but also effectively implemented, driving real impact.

10. Guidehouse

• Website: guidehouse.com
• Ownership type: Corporate
• Headquarters: Mclean, Virginia, United States (USA)
• Employee distribution: United States (USA) 59%, India 34%, Lithuania 3%, Other 4%
• Latest funding: $1.1B, August 2019
• Founded year: 2018
• Headcount: 10001+
• LinkedIn: guidehouse-us

Guidehouse, Inc., founded in 2018 and based in McLean, Virginia, is a consulting firm that specializes in providing advisory, digital, and managed services. With over 14,000 employees, the company operates in sectors such as healthcare, energy, financial services, and state and local government. Guidehouse assists clients in addressing complex challenges and enhancing operational efficiency through tailored solutions. Their expertise extends to areas like data analytics, risk management, and sustainability, making them a key player in the consulting industry. The firm has also received substantial funding, amounting to $1.1 billion, which underscores its growth and capacity to invest in innovative solutions for its clients.

11. Nous Group

• Website: nousgroup.com
• Ownership type: Private
• Headquarters: Docklands, Victoria, Australia
• Employee distribution: Australia 84%, Canada 9%, United Kingdom (UK) 6%, Other 1%
• Founded year: 1999
• Headcount: 501-1000
• LinkedIn: nousgroup

Nous Group, founded in 1999 and based in Docklands, Victoria, Australia, is a management consultancy that specializes in strategy, public policy, and organizational performance improvement. With a workforce of approximately 756 employees, the firm operates primarily in Australia, but also has a presence in Canada and the UK. Nous Group collaborates with leaders across various sectors to tackle complex challenges and facilitate transformational change. Their client base spans multiple industries, showcasing their ability to adapt and provide tailored solutions. The firm emphasizes a commitment to social responsibility, including initiatives focused on equity, diversity, and environmental sustainability. Their work includes significant projects in areas such as education, health, and infrastructure, demonstrating their engagement with pressing societal issues.

12. L.E.K. Consulting

• Website: lek.com
• Ownership type: Private
• Headquarters: Boston, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 46%, United Kingdom (UK) 15%, India 12%, Other 27%
• Founded year: 1983
• Headcount: 1001-5000
• LinkedIn: l-e-k--consulting

L.E.K. Consulting is a prominent consulting firm based in Boston, Massachusetts, with a global footprint that includes offices in the United Kingdom, India, Australia, and France. Established in 1983, the firm specializes in corporate strategy, marketing, sales, mergers and acquisitions, and operations. L.E.K. serves a wide array of industries, such as life sciences, healthcare, technology, and private equity, providing tailored solutions to help clients tackle intricate business challenges and drive growth. The firm is known for its analytical approach and has developed frameworks like Edge Strategy® to assist clients in identifying profitable growth opportunities. L.E.K. Consulting's insights and expertise are sought after by organizations looking to enhance their strategic positioning and operational effectiveness.

13. ScottMadden, Inc.

• Website: scottmadden.com
• Ownership type: Private
• Headquarters: Atlanta, Georgia, United States (USA)
• Employee distribution: United States (USA) 99%
• Founded year: 1983
• Headcount: 201-500
• LinkedIn: scottmadden-inc.

ScottMadden, Inc., founded in 1983 and based in Atlanta, Georgia, is a consulting firm that provides tailored strategies and solutions across multiple industries, including energy, healthcare, and education. With a workforce of approximately 265 employees, ScottMadden focuses on helping clients navigate complex challenges related to operational effectiveness, business transformation, and strategic planning. Their services cover a wide array of consulting offerings, such as strategy development, M&A due diligence, operational improvement, and digital solutions. The firm is particularly noted for its expertise in energy consulting, assisting clients in adapting to the evolving energy landscape while addressing operational and cost challenges. ScottMadden's commitment to delivering measurable results and their deep understanding of industry-specific needs make them a valuable partner for organizations seeking to enhance their performance and achieve long-term success.

14. YCP Solidiance

• Website: ycpsolidiance.com
• Ownership type: Private
• Headquarters: Singapore
• Founded year: 2007
• Headcount: 201-500
• LinkedIn: ycpsolidiance

YCP Solidiance is a consulting firm based in Singapore, established in 2007. The company specializes in strategic advisory services tailored to the unique challenges of the Asian market. With a workforce of around 325 employees, YCP Solidiance operates across nearly 20 key Asian markets, providing insights and strategies that help clients achieve growth and competitive advantages. Their service offerings include strategy formulation, operational enhancements, mergers and acquisitions support, market research, and digital transformation. The firm serves a mix of multinational corporations and small to medium-sized enterprises, reflecting their adaptability and understanding of various business needs. YCP Solidiance's commitment to leveraging local knowledge and industry expertise allows them to deliver impactful solutions that drive business success in a rapidly changing environment.

15. Avascent

• Website: avascent.com
• Ownership type: Corporate
• Headquarters: Washington, D.C., District Of Columbia, United States (USA)
• Latest funding: November 2022
• Founded year: 2007
• Headcount: 51-200
• LinkedIn: the-avascent-group

Avascent is a management consulting firm founded in 2007, based in Washington, D.C. The company specializes in providing strategic advisory services primarily to clients in the defense, aerospace, and government sectors. Avascent's team is known for its deep industry knowledge and analytical capabilities, which help clients navigate complex challenges and make informed decisions. They work with a range of stakeholders, including private sector companies, government agencies, and investors, to deliver insights that drive growth and operational efficiency. Avascent's focus on these specific industries allows them to offer tailored solutions that address the unique needs of their clients, making them a relevant player in the strategy consulting space.

16. Innosight

• Website: innosight.com
• Ownership type: Corporate
• Headquarters: Boston, Massachusetts, United States (USA)
• Employee distribution: United States (USA) 76%, Switzerland 20%, United Kingdom (UK) 4%
• Latest funding: February 2017
• Founded year: 2000
• Headcount: 51-200
• LinkedIn: innosight

Innosight, founded in 2000 and based in Boston, Massachusetts, is a consulting firm that specializes in growth strategy and innovation. With a team of approximately 123 employees, Innosight assists businesses across multiple industries in navigating market disruptions and developing effective strategies for long-term success. Their services include building new business models, enhancing organizational capabilities, and fostering innovation. Innosight has worked with a range of clients, including well-known names like Aetna, Citi, and Walgreens, showcasing their ability to impact various sectors such as healthcare, financial services, and consumer goods. The firm is recognized for its thought leadership in disruptive innovation and strategic transformation, helping organizations align their leadership around shared visions and build momentum for change. Innosight operates in the United States, Switzerland, and the United Kingdom, reflecting its international reach and expertise.

17. AlixPartners

• Website: alixpartners.com
• Ownership type: Private Equity
• Headquarters: New York, New York, United States (USA)
• Employee distribution: United States (USA) 57%, United Kingdom (UK) 19%, Germany 8%, Other 16%
• Latest funding: June 2012
• Founded year: 1981
• Headcount: 1001-5000
• LinkedIn: alixpartners

AlixPartners, founded in 1981 and headquartered in New York, is a consulting firm that specializes in financial advisory and global consulting services. With a workforce of approximately 3,737 employees, the firm operates across various industries, including aerospace, automotive, healthcare, and more. AlixPartners is known for its ability to assist businesses during pivotal moments, providing strategic guidance and practical solutions to complex challenges. Their approach combines strategic vision with real-world experience, focusing on implementation and results. The firm has built a reputation for its expertise in turnaround and restructuring, making it a valuable partner for organizations facing significant transformations. AlixPartners has not reported any recent funding, indicating a stable operational model supported by its established client base and industry presence.

18. Nextzon

• Website: nextzon.com
• Ownership type: Private
• Headquarters: Lekki, Lagos, Nigeria
• Employee distribution: Nigeria 100%
• Founded year: 2005
• Headcount: 51-200
• LinkedIn: nextzon-business-services

Nextzon Business Services Limited, founded in 2005 and based in Lekki, Lagos, Nigeria, is a management consulting and enterprise development firm. The company specializes in governance design, corporate planning, and market research, providing a suite of services aimed at improving operational efficiency for businesses. Nextzon serves a broad spectrum of clients, including small and medium enterprises as well as larger organizations, helping them navigate challenges and achieve success in various sectors such as agriculture, education, energy, and healthcare. With a team of experienced consultants, Nextzon has built a reputation for supporting businesses in their growth and transformation journeys, particularly within the African market. Their approach combines strategic insight with practical solutions, making them a valuable partner for organizations looking to enhance their performance and expand their reach.

19. Strategic Decisions Group (SDG)

• Website: sdg.com
• Ownership type: Corporate
• Headquarters: Menlo Park, California, United States (USA)
• Employee distribution: United States (USA) 47%, Germany 40%, Canada 7%, Other 7%
• Latest funding: February 1999
• Founded year: 1981
• Headcount: 51-200
• LinkedIn: strategic-decisions-group-sdg

Strategic Decisions Group (SDG) is a consulting firm based in Menlo Park, California, established in 1981. With a workforce of around 85 employees, SDG specializes in strategic management services, offering consulting in business strategy, portfolio management, risk analysis, and scenario planning. The firm caters to complex global businesses, assisting them in making informed decisions amidst uncertainty. SDG has a strong focus on decision quality, providing educational programs and workshops aimed at enhancing decision-making capabilities within organizations. They have worked with notable clients, including 20 of Fortune's Global 100 companies, and have a presence in multiple countries, including Germany, Canada, and the UK. Their commitment to helping organizations improve their strategic decision-making processes positions them as a significant player in the consulting industry.

20. Kib Group

• Website: kib-group.de
• Ownership type: Private
• Headquarters: Beijing, Beijing, China
• Employee distribution: Germany 100%
• Founded year: 1989
• Headcount: 10001+
• LinkedIn: kib-group

Kib Group, established in 1989 and based in Beijing, China, is a private consulting firm that provides top management consulting services. The company focuses on helping clients enhance their competitive edge through strategic planning, operational improvements, and digital transformation initiatives. With a strong presence in Germany, Kib Group serves a wide range of industries, including automotive, healthcare, financial services, and technology. Their expertise extends to mergers and acquisitions, where they assist clients in navigating complex transactions and achieving strategic growth. Kib Group's commitment to delivering tailored solutions has made them a trusted partner for both international corporations and public sector entities, reflecting their ability to address intricate business challenges effectively.

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