Sonaca Formalizes Strategic Acquisition of Spanish Aerospace Giant Aciturri: Creating Europe’s Third-Largest Independent Aerostructures Champion

The Belgian aerospace manufacturer Sonaca has successfully completed its strategic acquisition of a 51% majority stake in Spanish company Aciturri’s aerostructures division, creating a formidable European aerospace champion with combined revenues exceeding $1.3 billion and a workforce of approximately 6,700 employees across seven countries. This landmark transaction, valued at approximately $260 million, represents a pivotal moment in European aerospace consolidation, positioning the merged entity as the third-largest independent global player in aerostructures manufacturing, excluding subsidiaries of major aircraft and engine manufacturers. The acquisition combines Sonaca’s expertise in metallic aircraft structures with Aciturri’s leadership in advanced composite manufacturing, creating complementary capabilities essential for developing next-generation sustainable aircraft aligned with the industry’s ambitious carbon neutrality goals by 2050.

As the aerospace sector navigates a period of rapid technological transformation and increased sustainability demands, this merger exemplifies the strategic moves necessary for European companies to maintain competitiveness on the global stage. By bringing together two established leaders in their respective fields, the Sonaca-Aciturri combination aims to drive innovation, expand market reach, and reinforce European industrial sovereignty in critical aerospace technologies.

This article examines the background of both companies, the financial and strategic details of the acquisition, and the broader implications for the European aerospace industry. Drawing on official sources and expert commentary, we break down the facts, challenges, and opportunities presented by this significant consolidation.

Corporate Heritage and Strategic Foundations

Sonaca’s Evolution from Flight School to Global Aerospace Leader

Sonaca’s origins trace back to 1920, when it was founded as SEGA (Société Générale d’Entreprises Aéronautiques), initially serving as a flying school in Gosselies, Belgium. The company’s early years were shaped by the vision of World War I ace Commander Fernand Jacquet, whose leadership secured a crucial contract for military pilot training in 1921. Over the subsequent decades, Sonaca transitioned from training to manufacturing, building aircraft such as the Meteor F.8 and Hawker Hunter for Belgian and Dutch air forces in the 1950s.

By the 1960s, SEGA had joined forces with SABCA to produce F-104G combat aircraft, further cementing its reputation as a capable Military-Aircraft manufacturer. The modern Sonaca emerged in 1978, following the Belgian government’s intervention to preserve national aerospace expertise by acquiring Avions Fairey and rebranding it as Société Nationale de Construction Aérospatiale. This move ensured Belgium’s continued participation in multinational programs, notably the F-16 fighter jet.

Today, Sonaca stands as a global leader in the development, certification, and manufacturing of aircraft structures, with a workforce of 3,700 employees (prior to the acquisition) and a presence in six countries. Its core competencies lie in wing aerostructures and fully integrated slat systems, serving both civil and defense markets. Sonaca’s ownership remains closely tied to Belgian public investment, with the majority held by SRIW S.A. and SFPI S.A., reflecting its strategic importance to the region.

“Only by becoming together a European and global leader, we will enable Europe to retain a leading position in the design and production of the future more sustainable aircraft.” — Yves Delatte, CEO of Sonaca

Aciturri’s Rise as Europe’s Composite Aerostructures Specialist

Founded in 1977 by Ginés Clemente in Miranda de Ebro, Spain, Aciturri began as a small machining workshop and rapidly evolved into a sophisticated supplier of complex aerostructures. Over nearly five decades, the company expanded its technical capabilities and geographic reach, operating 40 production plants across Spain, France, Morocco, and Brazil. Aciturri’s expertise spans the design and manufacturing of airframe components for both commercial and defense aircraft, including significant contributions to programs such as the Airbus A350 and Boeing 787.

Aciturri has also diversified into new markets, including electric vertical take-off and landing (eVTOL) aircraft, demonstrating a forward-looking approach to emerging aviation technologies. Its aerostructures division, now majority-owned by Sonaca, employs around 2,500 professionals and is recognized for its leadership in advanced composite manufacturing, a key enabler for lighter, more fuel-efficient aircraft.

The company’s “design to build” approach and risk-sharing partnerships have set industry benchmarks for rapid industrialization and reliable delivery performance, making Aciturri a valued partner for original equipment manufacturers (OEMs) globally.

Transaction Architecture and Financial Structure

Deal Mechanics and Regulatory Framework

Sonaca’s acquisition of a 51% stake in Aciturri’s aerostructures operations is valued at approximately $260 million. The transaction structure allows the Spanish holding company Govera to retain a 49.01% interest, ensuring continued Spanish involvement in governance and operational continuity. Importantly, the deal excludes Aciturri’s aeroengines business, the Caetano Aeronautic plant in Portugal, and Aciturri Tech operations, allowing both companies to focus on their core aerostructures capabilities.

The European Commission initiated a merger review (case M.11898), classifying the transaction as a candidate for simplified procedures. This suggests regulators do not anticipate significant competition concerns, though final approval is pending. Interested parties have until March 2025 to submit observations, and both companies have committed to maintaining business continuity during the review period.

Financing for the transaction is supported by Sonaca’s historical shareholders, including Wallonie Entreprendre and SFPIM, Belgium’s sovereign wealth fund. This backing underscores the strategic importance of the deal for Belgium’s industrial policy and ensures the merged entity has the financial flexibility to pursue growth initiatives and integration investments.

“The internationalization of Aciturri Aerostructures is an important and necessary step to secure our business activities.” — Ginés Clemente, Executive Chairman and Founder of Aciturri

Combined Entity Financial Profile and Market Position

The merged Sonaca-Aciturri organization is projected to generate over $1.3 billion in annual revenues, positioning it as the third-largest independent global player in aerostructures manufacturing. Sonaca’s 2024 expected revenue stands at approximately $760 million, while Aciturri’s aerostructures division adds $435 million. The combined workforce is estimated at 6,200–6,700 employees across seven countries.

Sonaca’s recent financial performance demonstrates resilience, with 2023 revenues reaching €617 million ($670 million) and EBITDA improving to €52 million ($56 million). The company also reported positive free cash flow and a gross profit margin of 42.9% in 2024, reflecting strong operational discipline and high-value manufacturing. Global aerospace parts manufacturing is forecasted to grow at a 4.2% compound annual rate, reaching $1.23 trillion by 2030, providing a supportive environment for the merged entity’s ambitions.

This scale and financial strength enable the combined company to compete effectively with other major global suppliers, while its independence from OEMs provides flexibility and reduces potential conflicts of interest in the supply chain.

Strategic Rationale and Market Impact

Complementary Technology Integration

The merger brings together Sonaca’s expertise in metallic aerostructures and Aciturri’s leadership in composites, addressing the aerospace industry’s shift toward lighter, more sustainable aircraft. Composite materials such as carbon fiber reinforced polymers offer significant weight savings and improved corrosion resistance over traditional metals, supporting fuel efficiency and reduced emissions, key industry priorities as the sector targets carbon neutrality by 2050.

Aciturri’s adoption of advanced digital manufacturing platforms, like Dassault Systèmes’ 3DEXPERIENCE, has enabled it to halve project delivery times and improve capacity planning accuracy. This digital edge, combined with Sonaca’s systems integration and engineering capabilities, positions the merged entity at the forefront of next-generation aircraft development.

These synergies extend to advanced manufacturing processes, automation, and digital transformation, enhancing the merged company’s ability to meet evolving customer requirements and regulatory standards.

Market Position and Competitive Advantages

The Sonaca-Aciturri merger achieves the scale necessary to compete with global aerospace suppliers, while maintaining independence from major OEMs. The combined workforce and geographic reach provide access to skilled talent and proximity to key customers, supporting efficient service delivery and optimized manufacturing costs.

Industry consolidation, exemplified by transactions like Boeing’s reacquisition of Spirit AeroSystems, underscores the importance of supply chain control and technological breadth. The merged entity’s focus on both metallic and composite structures ensures it can offer comprehensive solutions for a broad range of civil and military applications.

With the aerospace sector facing mounting pressure to improve sustainability, the ability to deliver lightweight, durable, and efficient components will be a key differentiator. The merger positions Sonaca-Aciturri as a preferred partner for OEMs seeking to meet future regulatory and market demands.

“The new integrated group will need all its stakeholders and new talents to meet the growing production demand of our customers, deliver new contracts and develop our research projects for future aircraft.” — Yves Prete, Chairman of Sonaca Group’s Board of Directors

Industry Context and Future Implications

European Aerospace Industry Transformation

The Sonaca-Aciturri merger comes amid a wave of increased European defense spending and strategic autonomy initiatives. The EU’s ReArm Europe Plan and Germany’s commitment to higher defense budgets reflect a broader trend of investment in military-industrial capabilities. These initiatives benefit aerospace suppliers by increasing demand for advanced components and supporting technology development.

European aerospace primes have seen their order books and backlogs reach record levels, and venture capital investment in defense technology is on the rise. The merged entity is well positioned to capitalize on these trends, serving both civil and defense markets with a diversified product portfolio.

At the same time, the industry’s focus on sustainability, developing low-carbon aircraft by 2035 and achieving net-zero emissions by 2050, creates opportunities for suppliers with expertise in composites and advanced manufacturing. The Sonaca-Aciturri combination is poised to play a leading role in this transformation.

Integration Strategy and Operational Continuity

Successful integration will require careful planning to preserve the strengths of both organizations while capturing anticipated synergies. The companies have committed to maintaining operations at all current locations and retaining management teams in each country, recognizing the importance of local expertise and customer relationships.

Aciturri’s digital manufacturing capabilities will be leveraged across the merged entity to optimize processes, improve quality, and enhance capacity planning. Regulatory approval from the European Commission is expected to proceed smoothly, given the transaction’s structure and the absence of major competition concerns.

The merged company’s focus on talent development and digital transformation reflects broader industry challenges in workforce attraction and retention, as well as the need for continuous innovation to maintain competitiveness.

Conclusion

The Sonaca-Aciturri merger marks a significant milestone in European aerospace consolidation, creating a new independent leader with the scale, capabilities, and technological breadth to address the sector’s most pressing challenges. By uniting complementary strengths in metallic and composite aerostructures, the merged entity is well positioned to drive innovation, support sustainability goals, and compete effectively in both civil and defense markets.

The transaction exemplifies the strategic moves required for European industry to maintain global competitiveness and technological sovereignty. Its success will depend on effective integration, continued investment in talent and digital transformation, and a sustained commitment to meeting evolving customer and regulatory requirements. As the aerospace industry continues to evolve, the Sonaca-Aciturri combination stands as a model for future consolidation efforts in pursuit of scale, resilience, and innovation.

FAQ

What does the Sonaca-Aciturri merger mean for the European aerospace industry?
The merger creates Europe’s third-largest independent aerostructures supplier, strengthening the region’s industrial base and enhancing its ability to compete globally, especially in the context of increased defense spending and sustainability demands.

Which parts of Aciturri are included in the acquisition?
Sonaca acquired a 51% stake in Aciturri’s aerostructures division. The aeroengines business, Caetano Aeronautic plant in Portugal, and Aciturri Tech operations are excluded from the deal.

What are the main technological benefits of the merger?
The merger brings together Sonaca’s expertise in metallic structures and Aciturri’s leadership in composites, enabling the development of lighter, more fuel-efficient aircraft. It also enhances digital manufacturing capabilities and process optimization.

How is the transaction being financed?
The acquisition is supported by Sonaca’s historical shareholders, including Wallonie Entreprendre and SFPIM, Belgium’s sovereign wealth fund, ensuring financial stability and strategic backing.

Will there be changes to current operations or jobs?
Both companies have committed to maintaining business continuity at all current locations and retaining management teams, aiming to preserve local expertise and minimize disruption during integration.

Sources

• Sonaca News
• Aciturri