Mexico’s Fibra UNO will mark its fifteenth anniversary in 2026 as Latin America’s largest real estate investment trust, a position built not only through scale but also through an early and increasingly sophisticated integration of sustainability into its capital structure. That approach is underscored by two landmark sustainability-linked bond transactions completed in 2025, which together underpin its recognition as Corporate Sustainable Issuer of the Year.
From a modest portfolio of thirteen properties at inception, Fibra UNO – known as FUNO – now owns 614 assets across Mexico, totaling more than eleven million square meters of gross leasable area. Net operating income has grown thirty-three times since 2011, with expansion guided by environmental, social and governance principles well before they became standard practice in the region.
“Sustainability is a foundational pillar of its corporate strategy, embedded across all levels of decision-making and operations. The company has established a comprehensive approach that integrates economic growth with environmental responsibility and social impact,” FUNO states.
That philosophy translated directly into FUNO’s first sustainability-linked bond in January 2025, an $800 million dual-tranche senior unsecured offering that ranks among the most ambitious ESG-linked real estate financings from Latin America. The transaction linked FUNO’s cost of capital to clearly defined sustainability targets, embedding ESG performance directly into the economics of the bonds and reinforcing accountability through ongoing disclosure and external verification.
The issuance comprised a $500 million tranche due 2032 priced at 7.7% and a $300 million tranche due 2037 priced at 8.25%. Investor demand was strong, with the tranches oversubscribed 2.2 times and 2.3 times respectively, reflecting confidence in FUNO’s credit profile as well as in the credibility of its sustainability framework. Proceeds were used primarily to refinance notes maturing in 2026 and to optimize the trust’s broader liability profile.
Key performance indicators underpinning the sustainability-linked structure focus on reducing greenhouse gas emissions intensity across FUNO’s portfolio and increasing the proportion of properties certified under internationally recognized green building standards. The framework includes financial penalties in the form of coupon step-ups should the targets not be met, aligning investor returns with the issuer’s long-term ESG delivery.
FUNO returned to the market in May 2025 with a second sustainability-linked bond totaling $655 million, again structured in two tranches combining a three-year floating-rate note with a seven-year fixed-rate note. Demand exceeded expectations, with the offering oversubscribed 2.54 times, underscoring growing investor appetite for well-structured ESG-linked paper from Latin America’s real estate sector.
These sustainability-linked issuances build on FUNO’s earlier breakthrough in sustainable finance. In 2024, the trust issued a $600 million green bond under Rule 144A and Regulation S, becoming the first Mexican FIBRA to access the international markets with a green-labeled transaction. The deal marked a milestone for sustainable real estate finance in the region and helped establish the platform for FUNO’s subsequent ESG-linked issuance strategy.
By mid-2025, FUNO had mobilized more than $3.5 billion through sustainable finance instruments, including green bonds, sustainability-linked bonds and ESG-linked loans, positioning sustainability as a core funding pillar rather than an overlay. The trust maintains an investment-grade rating and has earned international recognition for its ESG performance, with S&P Global ranking it among the top fifteen percent of companies worldwide for sustainability best practices.
Operationally, FUNO has articulated a sustainability roadmap through 2030, aligned with longer-term targets extending to 2040 and 2050. FUNO states that it is moving ahead with a “comprehensive sustainability strategy that will guide its operations through 2030. This long-term roadmap integrates environmental, social, and governance priorities, supported by targeted initiatives designed to deliver measurable impact.”
Environmental priorities include zero-waste initiatives, expanded renewable energy use, on-site solar generation and advanced water management systems. By 2024, water consumption had fallen nineteen percent compared with 2018, while electricity use declined by more than seventeen percent. A central focus remains green certification, with FUNO targeting 4.4 million square meters certified under programs such as LEED, EDGE and BOMA by 2030, rising to full portfolio certification by 2040 and net-zero certified assets by 2050.
Taken together, FUNO’s sustainability-linked bond issuances demonstrate how ESG principles can be embedded directly into large-scale capital markets execution. By tying financing costs to measurable sustainability outcomes, FUNO has set a benchmark for real estate issuers across Latin America and secured its place as Corporate Sustainable Issuer of the Year.