Ayesa Engineering strengthens its global standing in ENR 2025 rankings

Ayesa Engineering strengthens its global standing in key markets according to the ENR Global Sourcebook.

Ayesa Engineering enters 2026 with strong global momentum. The latest Engineering News-Record (ENR) Global Sourcebook 2025, published on 31 December 2025, confirms Ayesa Engineering’s continued rise across key international rankings.

The results include five World Top 20 placements across priority infrastructure markets: Rail and Mass Transit, Highways, Water Supply, Treatment and Desalination, and Marine and Port Facilities. Several of these rankings were achieved for the first time, marking an important milestone in Ayesa Engineering´s global growth trajectory.

In addition, projects in which Ayesa Engineering played a major role were recognised with three ENR Global Best Projects Awards in 2025, reinforcing the company´s position as a trusted global partner for complex infrastructure and its ability to deliver best-in-class outcomes.

Together, these results reflect targeted market growth underpinned by technical excellence, collaboration, and delivery at scale.

Ayesa Engineering | World Top 20

• #14 in Water Supply (up two places)
• #8 in Treatment and Desalination (new ranking)
• #11 in Rail and Mass Transit (new ranking)
• #18 in Highways (new ranking)
• #20 in Marine and Port Facilities (up five places)

Ayesa Engineering | World Top 40

• #38 in Oil and Gas
• #37 in Industrial Process

ENR Top 225 International Design Firms

Building on these sector rankings, Ayesa Engineering was also recognised in the ENR 2025 Top 225 International Design Firms ranking, which evaluates companies based on international design revenue.

In the 2025 edition, Ayesa Engineering ranked:

• #43 globally
• #7 in Latin America
• #24 globally in Transportation (stable year-on-year)
• #14 globally Water supply

These results reinforce Ayesa Engineering’s position as one of the world’s leading international engineering firms, reflecting the trust of its clients, the scale of its operations, and its ability to deliver complex infrastructure worldwide.

Rosalio Tomas Alonso Peces, Global Chief Operating Officer at Ayesa commented:

“Being recognised across multiple ENR sector rankings reflects the strength of our technical teams and our ability to deliver complex infrastructure programmes worldwide. We remain focused on applying our engineering expertise to support water security, the energy transition, and climate resilience”.

These ENR results are a collective achievement, made possible by teams across engineering, digital, project delivery, and corporate functions. As global infrastructure investment accelerates, Ayesa Engineering enters the next phase with confidence, credibility, and momentum.