M&A / Property
Colliers to acquire Ayesa Engineering

CIGI · Price
Executive Summary
- Colliers entered a definitive agreement to acquire Ayesa Engineering S.A.U., the engineering division of Spain‑based Ayesa Group, for approximately US $700 million in cash.
- The transaction is expected to close in the second quarter of 2026, expanding Collier’s Engineering segment to 23 countries with ~14,000 professionals and adding roughly US $370 million of Ayesa’s 2025 gross revenue.
- Post‑closing, Ayesa’s leadership will retain significant equity and continue operating under the Ayesu brand, enhancing Colliers’ global footprint in engineering and project management across multiple end markets.
Key Details
- Purchase Price: Approximately US $700 million cash.
- Closing Timeline: Expected Q2 2026.
- Target Business: Ayesa Engineering – a multidisciplinary engineering and project‑management firm headquartered in Seville, Spain; ~3,200 professionals operating in 21 countries.
- 2025 Financials (Ayesa): Approx. US $370 million gross revenue.
- Strategic Impact for Colliers:
- Increases Colliers Engineering presence to 23 countries and ~14,000 staff.
- Adds capabilities across Property & Buildings, Infrastructure & Transportation, Water, and Environmental markets.
- Positions Colliers among the world’s top 30 engineering firms.
- Leadership Continuity: Ayesa’s existing leadership team will retain significant equity; Rosalío Alonso (COO of Ayesa Group) to become CEO of Ayesa Engineering post‑closing.
- Advisors:
- Colliers – Financial advisor: Alantra; Legal advisor: Uría Menéndez.
- Ayesa Group – Financial advisors: Baird, Arcano Partners; Legal advisors: Pérez‑Llorca, Weil, Gotshal & Manges; Owners’ advisors: A&M Capital Europe and the Manzanares family.
Notable Quotes
- Jay Hennick, Global Chairman & CEO, Colliers: “Our acquisition of Ayesa marks the latest pivotal step in our 30‑year track record of creating shareholder value… expands our global presence in the high‑growth engineering and project management sector.”
- Elias Mulamoottil, Chief Investment Officer, Colliers: “Ayesa Engineering presents a rare opportunity to partner with a scalable international platform… we see strong growth potential in existing and new markets.”
- José Luis Manzanares Abásolo, CEO, Ayesa Group: “Colliers is the natural partner for Ayesa Engineering given their belief in our strategy and people…”
- Rosalío Alonso, COO of Ayesa Group (future CEO of Ayesa Engineering): “Joining Colliers enables us to build on our legacy… create new opportunities for our professionals.”
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Jun 02, 2026 · 15:06