Colliers Completes Acquisition of Ayesa Engineering, Expanding Global Engineering Platform to 23 Countries

TORONTO, May 27, 2026 — Colliers (NASDAQ, TSX: CIGI) has completed its acquisition of Ayesa Engineering S.A.U., the engineering division of Ayesa Inversiones S.L.U., the company announced Tuesday. The transaction adds more than 3,300 professionals to Colliers' engineering segment and extends the firm's engineering operations to 23 countries with over 11,000 professionals.

A Global Multidiscipline Engineering and Project Management Firm Joins Colliers

Ayesa Engineering is a global multidiscipline engineering and project management firm headquartered in Seville, Spain, that provides technical consulting services across four continents. The firm's approximately 3,300 professionals operate in 21 countries, delivering design, site supervision, and consultancy services across transportation, water, buildings and cities, and energy sectors.

Notable projects in Ayesa Engineering's portfolio include the design and project oversight of the transformation of the Santiago Bernabéu Stadium in Madrid, the design of hundreds of desalination and water distribution facilities across Saudi Arabia, and the design and project oversight of several metro lines globally, including the Bogotá Metro in Colombia.

Under the terms of the transaction, Ayesa Engineering's leadership team has retained significant equity under Colliers' partnership model and will continue to drive operations and growth of the business going forward.

Colliers Engineering Segment Now a Leading Global Consultancy

With the addition of Ayesa Engineering, Colliers Engineering now operates in 23 countries with over 11,000 professionals, delivering engineering, design, project management, and technical consulting services across Property & Buildings, Infrastructure & Transportation, Water, and Environmental end markets.

Jay Hennick, Global Chairman and Chief Executive Officer of Colliers, framed the acquisition as central to the firm's long-term growth strategy. "Ayesa is a highly strategic acquisition that meaningfully expands the global scale of our engineering business, strengthens the resilience of our earnings, and underscores the power of our partnership model," Hennick said. "Our ability to partner with exceptional operators and align them for long-term growth differentiates Colliers. More than 700 of our operators are partners in our engineering business, creating strong alignment, reinforcing our entrepreneurial culture, and driving long-term value creation."

Elias Mulamootil, Chief Investment Officer and CEO of Engineering at Colliers, highlighted the geographic and technical dimensions of the deal. "This acquisition strengthens our ability to serve clients in attractive, high-growth markets across Europe, Latin America, the Middle East and South Asia, while broadening our technical capabilities on a global scale," Mulamoottil said. "That expertise is reflected in Ayesa's complex, high-profile projects such as the design and project oversight of the transformation of the Santiago Bernabéu Stadium in Madrid, the design of hundreds of desalination and water distribution facilities across Saudi Arabia, and the design and project oversight of several metro lines globally including the Bogotá Metro in Colombia."

Rosalío Alonso, Chief Executive Officer of Ayesa Engineering, said the partnership with Colliers creates new opportunities for Ayesa's professionals. "Partnering with Colliers creates an exceptional opportunity for our professionals to become significant stakeholders in the business, reinforcing long-term stability and our focus on delivering the best outcomes for clients," Alonso said. "It also gives us the ability to leverage Colliers' significant engineering operations in the U.S., Canada, and Australia, while benefiting from its more than 30-year track record of scaling global businesses and creating long-term value for all stakeholders."

Geographic Expansion Into EMEA and Latin America

Ayesa Engineering's presence across Europe, Latin America, the Middle East, and South Asia complements Colliers Engineering's existing operations in the United States, Canada, and Australia. The combination gives Colliers Engineering additional scale in those regions.

Colliers operates through three main businesses — Commercial Real Estate, Engineering, and Investment Management — and reports $5.7 billion in annual revenues, 24,000 professionals, and $109 billion in assets under management.

Advisors and Transaction Details

In connection with the transaction, Alantra acted as financial advisor and Uría Menéndez acted as legal advisor to Colliers. Baird and Arcano Partners acted as financial advisors to Ayesa Group and its owners, while Pérez-Llorca and Weil, Gotshal & Manges acted as legal advisors to Ayesa Group and its owners, A&M Capital Europe and the Manzanares family. Financial terms of the transaction were not disclosed.

Colliers said it expects Ayesa Engineering's leadership team, now equity partners under the firm's partnership model, to continue driving the business's operations and growth strategy going forward. Colliers added that it sees significant opportunity to accelerate global growth within its engineering business, both organically and through further acquisitions.

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Sources:
Colliers — Colliers Completes Acquisition of Ayesa Engineering (May 27, 2026)