Mubadala Tower
Al Maryah Island is the financial heart of Abu Dhabi — home to the Abu Dhabi Global Market (ADGM), the UAE capital's international financial free zone. Mubadala, Abu Dhabi's sovereign investment vehicle, has been a cornerstone developer and occupier on the island since its inception, and its commercial tower developments sit at the intersection of institutional real estate and the emirate's sustainability mandate.
The Al Maryah Island context
Every building on Al Maryah Island must meet Abu Dhabi's Estidama Pearl Rating requirements as a baseline — it's the mandatory minimum. But because the island is positioned as an international financial district courting global tenants and institutional capital, most developments voluntarily pursue higher Pearl ratings and parallel LEED certification to satisfy tenants who benchmark against US rating systems.
Mubadala's commercial tower follows that pattern. As a Grade-A office development on Al Maryah Island, it was designed to meet both Estidama Pearl requirements and LEED standards — a dual-certification strategy that's increasingly common for trophy buildings in the ADGM. The One Maryah Place development with Aldar, for example, is publicly targeting LEED Gold and Estidama 3 Pearl.
What dual certification actually requires
Running two rating systems on the same building isn't just filling out two forms. LEED and Estidama weight categories differently — Estidama emphasizes water scarcity and the arid climate, LEED weights Indoor Environmental Quality more heavily. A dual-certified project has to choose credit strategies that earn points in both frameworks without compromising either.
Common areas of alignment:
- Energy modelling — both systems require a validated energy model against a reference baseline (ASHRAE 90.1 in LEED, a similar reference in Estidama)
- Water efficiency — low-flow fixtures and landscape water management count in both, though Estidama's thresholds are typically stricter
- Indoor air quality — low-VOC materials, ventilation rates, and daylighting all earn credits in both frameworks
- Commissioning — both systems now require fundamental commissioning as a prerequisite
The differences — Estidama's Pearl Qualified Professional requirement, LEED's more flexible credit categories — mean the documentation work is roughly doubled, which is why expert consultants are essential.
Why ADGM tenants care
International financial institutions leasing space in the ADGM increasingly have their own ESG commitments — net-zero pledges, science-based targets, green lease requirements. A building with independent LEED and Estidama certifications gives those tenants a defensible line item in their own sustainability reporting. This is one of the main commercial drivers pushing Abu Dhabi's financial district towards ever-higher ratings.
ISG's involvement
ISG works on LEED and Estidama dual-certification projects across Abu Dhabi, including developments in Al Maryah Island and the ADGM. For our specific scope on Mubadala engagements, please get in touch.
Related certifications & markets
Planning a certification-driven project? ISG helps developers pick the right rating system and deliver against it.
Talk to ISG