Aerospace & Defense
INDUSTRY PRACTICE

Aerospace & Defense

Creating and accelerating critical advantages through cutting-edge strategy and operations

The aerospace and defense (A&D) industry is facing numerous challenges linked to an unforeseen pandemic, rapidly evolving technologies, and vulnerable supply chains. We help our clients push the boundaries in air and space and safeguard livelihoods through capabilities, technologies, and talent.

Our approach combines a deep understanding of industry dynamics with advanced analytics and an unparalleled network of experts. We work with clients to build internal capabilities, adopt digital and analytics tools, and transform work processes to improve their business in substantial, sustainable ways.

FEATURED EVENTS

GSI Advisory at the Farnborough International Airshow

Farnborough International Airshow

GSI Advisory is proud to partner with Farnborough International at the Farnborough International Airshow to bring industry experts together addressing topics related to aviation, space, and defence.
Munich

GSI Advisory at the Munich Security Conference

GSI Advisory serves as an institutional partner and one of several contributors to the Munich Security Conference, and provides data and production support to the annual Munich Security Report.

HOW WE HELP CLIENTS

Aftermarket & Services

Helping clients capture the aftermarket potential—the largest source of untapped value in aerospace and defense—by assessing the installed base opportunity, improving pricing, and optimizing operations.

Digital & Analytics

Helping clients tackle digital challenges and build sustainable, scalable solutions tailored to the A&D industry.

M&A

Working in partnership with aerospace and defense clients to develop unique strategies for evaluating potential targets, capturing value, and navigating the complex integration process.

Marketing & Sales

Helping A&D companies develop effective strategies for winning contracts with critical customers, contributing to stronger growth.

Next-Generation Productivity

Helping clients build the tech-enabled capabilities required to identify and capture a step change in profitability.

Strategy & Corporate Finance

Helping aerospace and defense companies achieve their strategic goals in a complex, competitive, and evolving landscape.

Talent & Capability Building

Helping A&D organizations create the right culture for their people, design the right structure, and attract and retain the right talent.

Transformation

Changing trajectories through holistic interventions in performance, capabilities, and health.

SECTORS WE SERVE

Commercial aerospace

Our expertise spans all major aircraft equipment categories, including engines, aerostructures, avionics, landing gears, and interiors. We also work in partnership with the Center for Future Mobility to develop perspectives on trends shaping aviation, such as advanced air mobility solutions and future sustainable propulsion technologies.

Defense

Our clients are active across the spectrum of defense domains. Through our work, we have built expertise related to all major categories of platforms and associated equipment, including military aerospace, land systems, naval systems, space-based systems, as well as sensors and electronics.

Space

Over many years we have built strong relationships with companies across the space value chain, including launch providers, satellite builders, equipment providers, services companies, investors, and public sector institutions.

Business and general aviation

We help companies in the business and general aviation market strive for operational improvement. We also provide assistance on key business challenges, such as accessing new customer segments, innovating business models, transforming product development, and improving customer support services.

Maritime & Shipyards

Helping shipyards and maritime industry clients unlock operational performance, attract and develop a skilled labor force, create supply chain resiliency, and implement digital capabilities.

Maintenance Repair and Overhaul (MRO)

Helping airlines and independent service providers optimize their aircraft MRO operations, OEMs and their suppliers develop and implement aftermarket services strategies, and private equity groups evaluate M&A opportunities.

Security and cybersecurity

Helping incumbents and new entrants in physical security and cybersecurity craft strategies to succeed. We help clients find solutions to secure and protect the industry’s mission-critical technology backbone.

25
countries served
18
of the top 20 defense companies served
21
of the top 25 global aerospace companies served
>500
A&D experts

FEATURED BLOG

Defense blog

Perspectives and shortform analysis for defense ministries, national security organizations, and disruptive innovators.

FEATURED PUBLICATION

GSI STRATEGIC DIRECT • March 11, 2026

The state of US national security innovation: A report card

The new NSIB Report Card reveals where advanced systems are advancing, where supply chains face bottlenecks, and what it will take to achieve systemic transformation in national security innovation.

FEATURED INSIGHTS

FEATURED ARTICLE•February 12, 2026

Future defense tech: Multidomain stacks to build affordable mass

In the face of modern warfare, a multidomain defense system is vital—necessitating a move from a vertically integrated approach to modular systems within the future defense tech stack.

ArticleFebruary 12, 2026

European defense by the numbers

The European Defense Dashboard provides a comprehensive set of metrics to track the evolving defense posture and procurement expenditure of European NATO countries.

ArticleFebruary 12, 2026

Opportunities through consolidation in the European defense industry

Supply chain consolidation could unlock €9 billion in annual run-rate cost synergies, while boosting interoperability and strategic resilience.

ArticleFebruary 12, 2026

Europe’s €1 trillion challenge for flexibility and scale

Current defense acquisition systems face unprecedented challenges. Fundamental reform is needed for rapid deployment and sustainable industrial scaling.

InterviewFebruary 12, 2026

Mike Schoellhorn on uniting European defense through scaled leadership and collaboration

Tackling fragmentation by collaborating on early tech maturation, agile engineering frameworks, and executing on time at sustainable cost.

Connect with our Aerospace & Defense Practice

Discuss your strategic, operational, and digital challenges with our dedicated global aerospace & defense leaders.