Rebaza, Alcázar & De Las Casas
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The team at Rebaza, Alcázar & De Las Casas is experienced in handling transactional and regulatory project and infrastructure matters. The group advises on project financing, regulatory and contractual aspects of tender processes, PPAs, and the development of railway projects. Practice head Luis Miguel Elías has strong knowledge of the mining sector and is experienced in advising on tender processes concerning digital infrastructure. Additional names to note include Maite Colmenter, who handles project financing mandates; and senior associate Fiorella Wismann, who has strong knowledge of natural resources law and the environmental sector. In December 2025, senior associate David Baracco left the firm.
Legal 500 Editorial commentary
Testimonials
Collated independently by Legal 500 research team.
- From its inception, the area has cultivated a comprehensive vision that combines the commercial—transactional and financial—aspects with the regulatory, which is uncommon in teams specialising in infrastructure projects. With the recent addition of administrative law specialists, this vision is further enhanced. The area handles complex and sophisticated matters with a high level of excellence. The differentiating factor is Luis Miguel's direct involvement in the consultations—as I mentioned earlier, clients don't just hire the partner's name, but actually work with him. This is crucial when matters require experienced judgment and strategic vision. Luis Miguel doesn't approach infrastructure projects from a purely regulatory perspective; instead, he integrates the transactional and financial aspects with the legal ones, allowing him to understand and advise on these projects in all their complexity.
- Rebaza's lawyers possess extensive expertise in public and private law, as well as their intersections. Their business acumen, commitment to protecting company value, and experience with projects and infrastructure in Peru were fundamental in selecting them as external advisors to resolve the contingency. Furthermore, I would like to highlight their fluency in English, which greatly facilitated their ability to calmly and professionally communicate the problem and viable solutions to our parent company.
Key clients
- AECOM
- Celsia
Work highlights
Advised Celsia and its Peruvian subsidiary PIER on the structuring, negotiation and closing of a $100m senior secured warehouse revolving facility granted by Sumitomo Mitsui Banking Corporation.

