A boutique firm delivering senior-level expertise from initial assessment through final testimony. LatAm native, globally minded.
Fortantis' team and expert network bring extensive experience in arbitration and complex disputes. We have participated in high-profile matters across a broad range of industries, supporting clients and collaborators in proceedings before internationally recognized arbitral institutions and dispute resolution mechanisms across multiple jurisdictions worldwide.
Participation in arbitration, litigation and complex disputes across capital-intensive industries.
Aggregate value of the amounts in dispute in matters involving members of the Fortantis team and expert network.
Experience in international matters across Latin America, Europe, Asia, the Middle East and Africa.
International Centre for Settlement of Investment Disputes
Permanent Court of Arbitration
International Chamber of Commerce
London Court of International Arbitration
United Nations Commission on International Trade Law
The figures reflect the combined experience of members of the Fortantis team and expert network in prior matters before recognized institutions such as ICSID, PCA, ICC, LCIA, UNCITRAL and other international arbitration and dispute resolution forums.
We combine direct access to senior experts, sector specialization and Ibero-American roots with a proven track record.
Direct access to senior experts from initial assessment to final testimony. No juniors, no handoffs—your case receives our full expertise throughout.
Meet Our Experts →Deep focus on capital-intensive industries including energy, infrastructure, mining, and construction. We understand your sector's unique complexities.
Explore Our Industry Focus →Born in Latin America with global reach. We bring regional expertise, cultural understanding, and multilingual capabilities to every engagement.
Meet the Fortantis Team →Independent expert opinions on damages and valuation, supported by defensible assumptions and verifiable methodologies.
We work in industries where disputes require far more than financial analysis: they demand an understanding of how assets operate, how contracts are structured, the risks imposed by regulation and how each business creates value. This combination enables us to quantify damages, assess performance and support positions in complex disputes.
Oil and gas, power generation and renewable energy projects.
Transportation, utilities, public-private partnerships
Banking, insurance, investment funds, fintech
Large-scale engineering and construction projects
A structured, rigorous and results-oriented approach.
We analyze the facts, the strength of the claims and the full scope of potential damages. We provide a candid assessment before resources are committed.
We define the quantum theory, applicable methodologies and expert approach. We coordinate with legal counsel from the outset.
We build financial models, review technical evidence and quantify damages using a defensible methodological framework.
We prepare clear, well-structured reports designed to withstand tribunal scrutiny and cross-examination. Well-supported and reproducible.
Our senior experts testify with clarity. We provide concurrent expert evidence—hot-tubbing—rebuttal analysis and support through final resolution.
Let's start a conversation about how our expertise can support your dispute resolution needs.