Europe is among the world’s largest aviation markets with both network carriers and airports, as well as aerospace majors. Through shifts in technology, legislation and sustainability, the industry is dynamic and having consulting firms to advise the various stakeholders is very important. These firms specialized in providing solutions that range from operation efficiency to problems of environmental nature, all in a bid to help realize sustainable business development and operations in an increasingly competitive global market.
Some of the best aviation consulting firms across Europe are discussed here with the focus on Head quarters, the history of formation of the company, firm’s size and the services which will help to understand their importance to the aviation industry.
1. Bain & Company
Headquarter: Boston, USA (European offices in major cities like Paris, London, and Berlin)
Founded: 1973
Company Size: 15,000+ employees globally
Bain & Company is renowned for its results-driven approach to consulting. Its aviation practice partners with industry leaders to drive innovation, enhance profitability, and achieve long-term sustainability. The firm’s expertise extends across commercial aviation, aerospace, and defense.
Key Services:
- Growth strategy development
- Operational cost reduction
- Digital innovation and AI adoption
- Carbon-neutral and sustainable practices
2. Roland Berger
Headquarter: Munich, Germany
Founded: 1967
Company Size: 2,400+ employees globally
Roland Berger has a strong reputation in the aviation sector, offering tailored solutions to airlines, airports, and aerospace manufacturers. The firm’s European roots and global reach make it a key player in addressing regional and international aviation challenges.
Key Services:
- Strategic growth planning
- Operational efficiency improvement
- Decarbonization strategies and sustainable practices
- Market entry and competitive positioning
3. Oliver Wyman
Headquarter: New York City, USA (European hub in London, UK)
Founded: 1984
Company Size: 5,500+ employees globally
Oliver Wyman is a global consulting leader with a prominent aviation practice. The firm offers deep analytical capabilities and industry expertise, assisting clients in optimizing operations and driving innovation. Oliver Wyman’s annual reports on the aviation sector are widely regarded as benchmarks.
Key Services:
- Maintenance, Repair, and Overhaul (MRO) optimization
- Aircraft valuation and asset management
- Airline restructuring and turnarounds
- Customer experience enhancement
4. ICF International
Headquarter: Fairfax, Virginia, USA (European offices in London, Brussels, and Frankfurt)
Founded: 1969
Company Size: 9,000+ employees globally
ICF International is a leading consulting firm with a robust aviation division. It supports governments, airports, and airlines in addressing market shifts, regulatory compliance, and environmental sustainability. ICF’s expertise is backed by decades of hands-on industry experience.
Key Services:
- Air traffic forecasting and market analysis
- Airport planning and infrastructure development
- Environmental impact assessment
- Airline network and schedule optimization
5. McKinsey & Company
Headquarter: London, United Kingdom
Founded: 1926
Company Size: 38,000+ employees globally
McKinsey & Company is one of the most prestigious management consulting firms globally, with a dedicated aviation practice that serves airlines, airports, and aerospace companies. Leveraging advanced analytics and industry expertise, McKinsey helps clients tackle complex challenges, from sustainability to digital transformation.
Key Services:
- Network optimization and fleet management
- Digital and AI-driven transformation
- Sustainability strategy and emissions reduction
- Revenue management and pricing strategies
6. AlixPartners
Headquarter: New York City, USA (European offices in London, Paris, and Zurich)
Founded: 1981
Company Size: 2,000+ employees globally
AlixPartners specializes in helping aviation clients navigate crises and deliver turnarounds. The firm is particularly known for its expertise in restructuring and performance improvement, ensuring that clients can adapt to industry disruptions effectively.
Key Services:
- Financial restructuring and turnaround strategies
- Performance improvement and cost optimization
- Supply chain resilience in aerospace manufacturing
- Crisis management and business continuity planning
7. Egis Group
Headquarter: Guyancourt, France
Founded: 1969
Company Size: 16,000+ employees globally
Egis Group combines engineering and consulting expertise to deliver comprehensive solutions for the aviation sector. The firm’s offerings are particularly strong in airport planning and air traffic management, reflecting its focus on sustainable infrastructure.
Key Services:
- Airport design and master planning
- Air traffic management and optimization
- Environmental and sustainability consulting
- Aviation safety and compliance
8. Steer
Headquarter: London, United Kingdom
Founded: 1978
Company Size: 450+ employees globally
Steer is a specialist consultancy with a strong focus on the transportation and aviation sectors. Its aviation team works with governments, airlines, and airport operators to address regulatory, financial, and operational challenges.
Key Services:
- Aviation policy and regulatory advisory
- Infrastructure financing and economic analysis
- Market forecasting and demand modeling
- Operational efficiency improvements
9. Deloitte
Headquarter: London, UK
Founded: 1845
Company Size: 415,000+ employees globally
Deloitte assists the aviation industry with modernization efforts, including infrastructure enhancements and customer experience improvements. The firm specializes in using technologies like AI and predictive maintenance, while helping clients advance net-zero pathways for a sustainable future.
Key Services:
- Strategic planning and scenario analysis
- Digital supply chain and logistics
- Cost optimization and operational excellence
- Sustainability and ESG strategy
10. SITA Consultancy Services
Headquarter: Geneva, Switzerland
Founded: 1949
Company Size: 4,700+ employees globally
SITA is a leading technology provider for the air transport industry, offering specialized consulting services to airports and airlines. Its expertise lies in integrating technology to enhance efficiency and passenger experiences.
Key Services:
- IT and digital transformation in aviation
- Passenger flow management and optimization
- Data-driven decision-making and analytics
- Cybersecurity for aviation systems
