The aerospace and defense (A&D) sector is a cornerstone of global innovation, national security, and economic growth, with a market value approaching $9 trillion. Consulting firms play a pivotal role in navigating this complex landscape, offering strategic, operational, and technological expertise to address challenges like digital transformation, sustainability, and talent shortages. Below, we explore the top 20 A&D consulting companies, providing detailed insights into their founders, founding years, headquarters, product categories, company descriptions, and key features. This guide, crafted with a market research lens, aims to inform stakeholders about the leading players shaping the future of A&D.
1. McKinsey & Company
Founders: James O. McKinsey
Founded Year: 1926
Headquarters: New York, NY, USA
Product Categories: Strategy Consulting, Digital Transformation, Operational Excellence, M&A Advisory, Talent Management
Description: McKinsey & Company is a global management consulting titan, renowned for its deep expertise in aerospace and defense. Serving clients across military aerospace, space, and defense ministries, McKinsey drives innovation in platforms, sensors, and electronics. Its partnerships with launch providers, satellite builders, and public-sector institutions enable clients to tackle digital challenges, optimize operations, and capture aftermarket potential. McKinsey’s data-driven approach, including its role in the Munich Security Report, empowers A&D organizations to navigate complex integrations and achieve sustainable growth in a rapidly evolving industry.
Key Features:
- Expertise across all major A&D platforms and equipment.
- Strategic partnerships with space value chain stakeholders.
- Focus on digital transformation and cybersecurity solutions.
- Tailored strategies for contract wins and profitability.
- Workforce transition support for aging A&D talent pools.
2. Bain & Company
Founders: Bill Bain
Founded Year: 1973
Headquarters: Boston, MA, USA
Product Categories: Cost Containment, Digital Transformation, Operational Excellence, Sustainability Consulting, Talent Acquisition
Description: Bain & Company, a “Big 3” consulting firm, excels in A&D by addressing cost containment, digital transformation, and sustainability. With a client base spanning aircraft manufacturers, defense contractors, and space companies, Bain helps organizations enhance manufacturing agility and attract top talent. Its global footprint and expertise in navigating budgetary pressures and market consolidation enable clients to thrive in competitive landscapes. Bain’s focus on operational excellence and innovative business models positions it as a trusted partner for A&D leaders tackling supply chain disruptions and emerging technologies.
Key Features:
- Specialized services in manufacturing agility and cost efficiency.
- Expertise in talent acquisition for dynamic A&D roles.
- Support for digital transformation and cloud transitions.
- Strategic guidance for M&A and post-merger integrations.
- Focus on sustainability to meet net-zero goals.
- Global insights into evolving A&D market dynamics.
3. Boston Consulting Group (BCG)
Founders: Bruce Henderson
Founded Year: 1963
Headquarters: Boston, MA, USA
Product Categories: Strategy Consulting, Digital Transformation, Supply Chain Optimization, M&A Support, Sustainability
Description: BCG’s A&D consulting team leverages global expertise to help clients innovate and adapt to industry shifts. From commercial aviation to defense and space, BCG tailors private-sector best practices to drive efficiency in procurement, supply chains, and R&D. Its work in post-merger integrations, such as uniting two major defense firms, has created significant shareholder value. BCG’s focus on generative AI, sustainability, and workforce diversity ensures A&D clients remain resilient amid volatility, positioning them for long-term success.
Key Features:
- Expertise in large-scale capital project management.
- Advanced analytics for operational efficiency.
- Generative AI and machine learning integration.
- Support for portfolio rationalization and M&A.
- Workforce diversity and upskilling programs.
- Sustainability-focused supply chain strategies.
4. Deloitte
Founders: William Welch Deloitte
Founded Year: 1845
Headquarters: London, UK (Global HQ); New York, NY, USA (US HQ)
Product Categories: Digital Transformation, Smart Manufacturing, Risk Management, Workforce Planning, Technology Integration
Description: Deloitte’s A&D practice, led by experts like Lindsey, combines deep industry knowledge with digital innovation. With over 16 years of experience, Deloitte helps clients transform legacy manufacturing through AI and smart technologies. Its ecosystem approach fosters public-private partnerships to address talent shortages, critical in an industry with 13% turnover. Deloitte’s focus on model-based systems engineering and decarbonization supports A&D firms in achieving operational excellence and net-zero goals by 2050, making it a leader in sustainable transformation.
Key Features:
- Leadership in smart manufacturing and digital roadmaps.
- Ecosystem-driven talent pipeline development.
- AI and extended reality for enhanced training.
- Model-based systems engineering for agility.
- Strategies for decarbonization and net-zero goals.
- Comprehensive risk management solutions.
5. Accenture
Founders: Clarence DeLeon
Founded Year: 1989
Headquarters: Dublin, Ireland
Product Categories: Digital Transformation, Model-Based Systems Engineering, Sustainability Consulting, Cloud Solutions, AI Integration
Description: Accenture’s A&D consulting services emphasize a digital-first mindset, driving agility and innovation. With a projected 12% YoY revenue growth in commercial aerospace for 2025, Accenture helps clients digitize supply chains and adopt AI-driven manufacturing. Its partnerships with Siemens and Microsoft enhance engineering and production capabilities. Accenture’s focus on net-zero goals and connected production positions it as a leader in transforming A&D operations for resilience and growth in a competitive global market.
Key Features:
- AI-driven hyper-automated manufacturing solutions.
- Strategic alliances with Siemens, Microsoft, and AWS.
- Digitized supply chain for enhanced resilience.
- Focus on net-zero 2050 goals and decarbonization.
- Model-based systems engineering for innovation.
- Global insights from Aviation Week podcasts.
6. Booz Allen Hamilton
Founders: Edwin G. Booz
Founded Year: 1914
Headquarters: McLean, VA, USA
Product Categories: Technology Consulting, Engineering Services, Cybersecurity, Defense Strategy, IT Services
Description: Booz Allen Hamilton is a leading A&D consultant, particularly for U.S. government clients, with $5.7 billion in defense revenue in 2024. Specializing in cybersecurity, logistics, and C4ISR systems, it supports DoD and federal agencies with innovative solutions. Its expertise in military engagements and technology integration makes it a go-to for national security projects. Despite lower pay compared to commercial consulting, Booz Allen’s federal focus ensures unmatched influence in defense consulting.
Key Features:
- Leadership in DoD-focused technology consulting.
- Expertise in C4ISR and cybersecurity solutions.
- Support for logistics and nuclear operations.
- Strong federal government contract portfolio.
- Strategic messaging and compliance expertise.
7. FTI Consulting
Founders: Joseph W. Foche, Daniel J. Luczak
Founded Year: 1982
Headquarters: Washington, DC, USA
Product Categories: Strategic Growth, Compliance, M&A Advisory, Performance Improvement, IT Enablement
Description: FTI Consulting’s A&D team excels in navigating complex challenges like export controls, regulatory scrutiny, and supply chain risks. With expertise across commercial aviation, defense contractors, and C4ISR projects, FTI helps clients protect enterprise value and achieve strategic growth. Its work with startups, universities, and major corporations ensures tailored solutions for diverse A&D needs. FTI’s focus on litigation support and strategic communications makes it a versatile partner in a dynamic industry.
Key Features:
- Expertise in export controls and compliance.
- Strategic growth and M&A advisory services.
- Support for C4ISR and security-oriented projects.
- Litigation and arbitration support.
- Performance improvement for supply chain efficiency.
- Strategic communications for stakeholder engagement.
8. L.E.K. Consulting
Founders: Iain Evans, James Lawrence, Richard Koch
Founded Year: 1983
Headquarters: London, UK
Product Categories: Strategic Planning, M&A Advisory, Product Development, Procurement Strategies, Market Evaluation
Description: L.E.K. Consulting boasts a 30-year legacy in A&D, driving innovation across aerospace equipment, aftermarket, and defense procurement. Its strategic counsel helps clients secure competitive contracts and optimize operations. L.E.K.’s work with a U.K. aerospace client on engine component repair and a major Asian carrier on MRO efficiency highlights its impact. As an ADS member, L.E.K. combines strategic analysis with operational modeling to empower A&D clients in a rapidly evolving market.
Key Features:
- Deep expertise in aerospace aftermarket strategies.
- Strategic planning for competitive contract wins.
- M&A and acquisition target analysis.
- Operational modeling for manufacturing performance.
- Global market evaluation for expansion.
9. PwC
Founders: Samuel Lowell Price, William Cooper
Founded Year: 1998 (merger of Price Waterhouse and Coopers & Lybrand)
Headquarters: London, UK
Product Categories: Strategy Consulting, Risk Management, Digital Transformation, Tax Advisory, Audit Services
Description: PwC’s A&D practice focuses on building trust and solving complex problems through strategy, digital transformation, and risk management. With a global network spanning 157 countries, PwC helps A&D clients innovate business models, enhance cybersecurity, and optimize supply chains. Its expertise in tax and audit services complements its strategic offerings, making it a trusted advisor for aerospace manufacturers and defense contractors navigating regulatory and market challenges.
Key Features:
- Global network for comprehensive A&D solutions.
- Expertise in cybersecurity and digital transformation.
- Risk management and regulatory compliance support.
- Strategic business model innovation.
- Tax and audit services for financial efficiency.
10. EY (Ernst & Young)
Founders: Arthur Young, Alwin C. Ernst
Founded Year: 1989 (merger of Ernst & Whinney and Arthur Young & Co.)
Headquarters: London, UK
Product Categories: Consulting, Assurance, Tax, Strategy, Transactions
Description: EY’s commitment to building a better working world drives its A&D practice, focusing on sustainable growth and talent development. With expertise in transactions, digital transformation, and assurance, EY supports A&D clients in navigating supply chain disruptions and regulatory complexities. Its global presence and collaborative approach enable innovative solutions for commercial aviation, defense, and space, ensuring clients achieve operational excellence and long-term resilience.
Key Features:
- Focus on sustainable growth and decarbonization.
- Expertise in transactions and M&A support.
- Digital transformation for operational excellence.
- Talent development and workforce planning.
- Global collaboration for industry insights.
11. Kearney
Founders: Andrew Thomas Kearney
Founded Year: 1926
Headquarters: Chicago, IL, USA
Product Categories: Strategy Consulting, Operations, Digital Transformation, Procurement, Sustainability
Description: Kearney, a global management consulting firm, has served three-quarters of the Fortune Global 500, including top A&D players. Its expertise in strategy, procurement, and digital transformation helps clients address supply chain volatility and sustainability goals. Kearney’s work in defense management consulting and commercial aviation ensures clients remain competitive in a high-stakes industry, leveraging innovative technologies and strategic insights to drive growth and efficiency.
Key Features:
- Strong focus on defense management consulting.
- Expertise in procurement and supply chain resilience.
- Digital transformation for operational efficiency.
- Sustainability strategies for net-zero goals.
- Global insights for market competitiveness.
12. Capgemini Invent
Founders: Serge Kampf
Founded Year: 1967 (as Capgemini; Invent launched in 2018)
Headquarters: Paris, France
Product Categories: Innovation Consulting, Digital Transformation, Design Thinking, Technology Solutions
Description: Capgemini Invent, the innovation arm of Capgemini, accelerates A&D transformation through design thinking and digital solutions. Serving aerospace manufacturers and defense contractors, it drives prototypes and scalable solutions for complex challenges. Its focus on cloud transitions, AI, and sustainability aligns with the industry’s push for net-zero goals. Capgemini Invent’s global expertise and technology partnerships make it a key player in redefining A&D operations for the future.
Key Features:
- Innovation-driven design thinking for A&D.
- Expertise in cloud and AI integration.
- Scalable prototypes for operational challenges.
- Focus on sustainability and net-zero goals.
- Global technology partnerships for innovation.
13. Arthur D. Little
Founders: Arthur Dehon Little
Founded Year: 1886
Headquarters: Boston, MA, USA
Product Categories: Strategy Consulting, Innovation, Technology Advisory, Operations Management
Description: As the world’s first management consulting firm, Arthur D. Little brings a pioneering spirit to A&D. Its expertise in strategy, innovation, and technology advisory helps clients develop cutting-edge solutions for aerospace equipment and defense systems. ADL’s focus on blazing trails ensures A&D clients stay ahead of market trends, from sustainable aviation to advanced defense technologies, delivering measurable impact in a competitive sector.
Key Features:
- Pioneering innovation in A&D solutions.
- Expertise in strategy and technology advisory.
- Focus on sustainable aviation technologies.
- Support for advanced defense system development.
- Global insights for market leadership.
14. Alvarez & Marsal (A&M)
Founders: Tony Alvarez II, Bryan Marsal
Founded Year: 1983
Headquarters: New York, NY, USA
Product Categories: Performance Improvement, Restructuring, M&A Advisory, Digital Transformation
Description: Alvarez & Marsal’s A&D practice focuses on performance improvement and restructuring, helping clients navigate financial and operational challenges. Its expertise in M&A advisory and digital transformation supports aerospace manufacturers and defense contractors in achieving profitability and growth. A&M’s hands-on approach and global presence make it a trusted partner for A&D firms seeking to optimize operations and capitalize on market opportunities in a volatile industry.
Key Features:
- Hands-on performance improvement strategies.
- Expertise in M&A and restructuring.
- Digital transformation for operational efficiency.
- Global presence for market insights.
- Focus on profitability and growth optimization.
15. Strategy&
Founders: Edwin G. Booz (as part of Booz & Company, now under PwC)
Founded Year: 1914 (Booz & Company; Strategy& integrated into PwC in 2014)
Headquarters: New York, NY, USA
Product Categories: Strategy Consulting, Digital Transformation, Operations, M&A Advisory
Description: Strategy&, part of PwC, specializes in practical strategies for A&D clients, helping them seize competitive advantages. Its expertise in digital transformation and operations supports aerospace manufacturers and defense contractors in navigating market complexities. Strategy&’s integration with PwC’s global network enhances its ability to deliver tailored solutions, from supply chain optimization to M&A, ensuring clients achieve sustainable growth in a dynamic industry.
Key Features:
- Practical strategies for competitive advantage.
- Expertise in digital transformation and operations.
- Support for M&A and supply chain optimization.
- Integration with PwC’s global resources.
- Focus on sustainable growth solutions.
16. CGI
Founders: Serge Godin, André Imbeau
Founded Year: 1976
Headquarters: Montreal, Quebec, Canada
Product Categories: IT Consulting, Business Consulting, Systems Integration, Managed Services
Description: CGI, with 90,000 professionals worldwide, is a leading IT and business consulting firm in A&D. Its end-to-end services, from systems integration to managed IT, support aerospace manufacturers and defense agencies in modernizing operations. CGI’s expertise in cybersecurity and data analytics ensures A&D clients remain secure and agile in a connected world, driving innovation and efficiency across commercial and military applications.
Key Features:
- Comprehensive IT and business consulting services.
- Expertise in cybersecurity and data analytics.
- Systems integration for modernized operations.
- Global network of 90,000 professionals.
- Focus on agility and innovation in A&D.
17. Avascent
Founders: Steve Irwin, Steve Glick
Founded Year: 1984
Headquarters: Washington, DC, USA
Product Categories: Strategy Consulting, Market Analysis, M&A Advisory, Policy Analysis
Description: Avascent is a boutique A&D consulting firm known for its deep industry focus and policy expertise. Serving defense contractors, aerospace manufacturers, and government agencies, Avascent provides market analysis and strategic guidance to navigate regulatory and competitive landscapes. Its tailored approach and Washington, DC, presence make it a go-to for clients seeking to influence policy and secure contracts in the A&D sector.
Key Features:
- Deep expertise in A&D policy and regulation.
- Strategic market analysis for contract wins.
- Tailored M&A advisory services.
- Strong Washington, DC, presence for policy influence.
- Focus on competitive landscape navigation.
18. Maine Pointe
Founders: Steve Bowen
Founded Year: 2004
Headquarters: Boston, MA, USA
Product Categories: Supply Chain Consulting, Operations Optimization, Procurement Strategies
Description: Maine Pointe specializes in supply chain and operations consulting for A&D, helping chief executives and private equity firms achieve economic returns. Its expertise in optimizing procurement and manufacturing processes supports aerospace manufacturers and defense contractors in overcoming supply chain disruptions. Maine Pointe’s data-driven approach and focus on operational excellence make it a valuable partner for A&D firms seeking resilience and efficiency.
Key Features:
- Expertise in supply chain optimization.
- Data-driven operational excellence strategies.
- Support for procurement process improvements.
- Focus on economic returns for A&D clients.
- Resilience strategies for supply chain disruptions.
19. Pacific Aerospace Consulting
Founded Year: 2004
Headquarters: San Diego, CA, USA
Product Categories: Technical Consulting, Operations Support, Systems Engineering
Description: Pacific Aerospace Consulting is a boutique firm offering technical and operational support to A&D clients. Specializing in systems engineering and military operations, it serves small to mid-sized companies and government agencies. Its niche expertise in day-to-day A&D operations ensures clients achieve mission-critical objectives. Pacific Aerospace’s hands-on approach and technical depth make it a trusted partner for specialized A&D projects.
Key Features:
- Niche expertise in A&D systems engineering.
- Support for military operations and outsourcing.
- Hands-on technical consulting for mission success.
- Tailored solutions for small to mid-sized clients.
- Focus on operational efficiency and agility.
20. Hawksland Associates
Founded Year: 2002
Headquarters: Derbyshire, UK
Product Categories: Strategy Consulting, Supply Chain Management, Program Management
Description: Hawksland Associates, a UK-based boutique, specializes in A&D strategy and supply chain management. Serving aerospace manufacturers and defense contractors, it offers program management and operational expertise to drive project success. Hawksland’s focus on cost efficiency and supply chain resilience helps clients navigate competitive pressures and deliver innovative solutions. Its European presence and industry-specific knowledge make it a key player in the A&D consulting landscape.
Key Features:
- Expertise in A&D program management.
- Focus on supply chain resilience and cost efficiency.
- Strategic consulting for competitive positioning.
- Tailored solutions for European A&D markets.
- Support for innovative project delivery
Conclusion
The A&D consulting landscape in 2025 is defined by innovation, digital transformation, and sustainability. These top 20 firms, from global giants like McKinsey and Deloitte to boutiques like Avascent and Hawksland, offer diverse expertise to address the industry’s most pressing challenges. Whether it’s navigating supply chain disruptions, achieving net-zero goals, or securing competitive contracts, these companies empower A&D organizations to thrive in a dynamic, high-stakes sector. For stakeholders seeking strategic partners, this guide provides a roadmap to the leaders driving the future of aerospace and defense.
NOTE: If you have any suggestions, or if your business or organization has notable achievements or qualifications to be featured in the list of top companies above, we’d love to hear from you
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