Colliers Completes Acquisition of Ayesa Engineering to Enhance Global Engineering Capabilities - Quiver Quantitative
Professional ServicesPlatform
Colliers→Ayesa Engineering
May 27, 2026
Kelly Johnson Design Acquired by Castle Design
Announced
Professional ServicesMissouriAdd-on
Deal Overview
Castle Design, founded in 2003 and focused on award-winning, high-end residential interior design, announced its acquisition of St. Louis-based Kelly Johnson Design on Jan. 1, 2026.
The combination merges talent and experience across the two interior design practices. Founder Emily Castle expects additional expertise in new construction to become a lucrative niche, targeting 20 percent of her firm’s business.
Key Details
- Transaction
- Castle Design acquires Kelly Johnson Design
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