2026 Vault Rankings
At a Glance
“There is an entrepreneurial spirit, and your voice/ideas are heard by top management.”
“Great projects, opportunities for development, leadership, work-life balance, good culture.”
“Culture of collaboration and innovation. Strong client base with interesting opportunities.”
“Focused on growth and have strong technical capabilities.”
“You cannot always choose the clients you wish to work on.”
“Lack of name recognition may hurt in obtaining some clients.”
“Compensation could be better.”
“For me, the lack of team interaction because I remote.”
About Sia
Founded in 1999, Sia has established a strong track record of success. Today, the firm operates with more than 3,000 consultants across 48 offices in 19 countries including 18 offices in North America with 700 employees. The U.S. is the firm’s second largest market. Sia has expanded its footprint in the United States, highlighting its ambition for further growth and pursuing new opportunities in this market.
The firm operates across North America, Asia-Pacific, Europe, and the Middle East. Sia offers strategy, management, and AI consulting services to over 1,000 clients worldwide, including the majority of Fortune 500 companies. The clientele primarily consists of blue-chip and big tech firms. The firm’s strength lies in deep sector expertise combined with innovative, AI-driven consulting methodologies that deliver tangible results.
48 Wall Street
New York, NY 10005
Phone: +33 1 42 77 76 17
Employer Type: Private
Founder & CEO: Matthieu Courtecuisse
Chief Operating Officer: Sandrine Carreau
Chief People Officer: Shari Sparling
2025 Employees (All Locations): 3,000
New York, NY
Charlotte, NC
Seattle, WA
Bay Area, CA
Philadelphia, PA
- Automotive, Aerospace & Defence
- Energy, Resources & Utilities
- Media & Entertainment
- Life Sciences & Healthcare
- Mobility & Logistics
- Banking & Capital Markets
- Insurance
- Mining & Resources
- Real Estate
- Telecommunications
- Consumer Goods & Retail
- Manufacturing
- Government
- Tech, Software & Platforms
Services
- Actuarial & Quantitative Services
- Business Transformation
- Climate Analysis
- Risk & Compliance
- Cybersecurity & Resilience Services
- Data & AI
- Ecommerce
- Financial Performance
- Growth & Innovation
- Marketing & Customer Experience
- IT Strategy & Digital Transformation
- HR & Organizational Effectiveness
- Pricing & Revenue Management
- Procurement 4.0
- Supply Chain & Logistics
- Turnaround