Alantra has acted as the sole M&A Advisor to Colliers on the acquisition of Ayesa Engineering from A&M Capital Europe 

Jan 2026

Buy-side advisory

Value c.US$700mn

Madrid – Alantra acted as sole buy-side financial advisor to Colliers (NASDAQ, TSX: CIGI), a global leader in professional services and investment management, on the acquisition of Ayesa Engineering from A&M Capital Europe, for a total cash consideration of c.$700mn. Through the carve-out of Ayesa Engineering from Ayesa Group, the transaction adds a scaled, multidisciplinary engineering business to Colliers, strengthening its global Engineering platform.

Ayesa Engineering, founded in 1966 and headquartered in Seville, specializes in Design Engineering and Site Supervision & Project Management Consultancy, with a core focus on Transport and Water, and a meaningful presence in Buildings & Cities and Energy. The Company operates globally with 30+ offices across 21 countries worldwide and c.3,200 employees.

Ernesto Plevisani, Managing Director at Alantra, said: “This transaction highlights Alantra’s expertise in executing high profile cross border transactions for leading global strategic clients. It has been a pleasure to advise Colliers on a truly transformational transaction, supporting the team through to a successful closing.”

Miguel Hernández, Managing Partner and Executive Chairman of IB, commented: “Alantra´s global platform, combined with unique on-the-ground access and deep sector expertise, enabled us to advise Colliers on a landmark transaction that expanded its geographic and strategic footprint.”

Robert Pearce, Director at Alantra, and Built Environment expert, added: “This transaction reflects the sustained strategic interest in high-quality engineering and consulting businesses that shape the built environment. With long-term infrastructure investment and sustainability-driven demand, we continue to see robust M&A activity across the landscape.”

Elias Mulamootti, Chief Investment Officer at Colliers, added: “The acquisition of Ayesa Engineering represents another milestone in the continued expansion of Colliers’ global Engineering platform. The transaction involved multiple jurisdictions and a complex carve-out process, where Alantra’s strategic insight, deep understanding of the asset and strong relationships with A&M Capital Europe were instrumental in achieving a successful outcome.”

This transaction reinforces Alantra’s growing track record of advising leading public strategic players and financial sponsors, following recent mandates such as advising Ambienta on the acquisition of Agronova from Magnum Industrial Partners and the founding Casanova family.