Insights
Çelebi Hava Servisi A.Ş. — operating internationally as Çelebi Aviation — has provided ground handling, cargo, and aircraft services since 1958.
Çelebi Hava Servisi A.Ş. — operating internationally as Çelebi Aviation — has provided ground handling, cargo, and aircraft services since 1958, when it became Türkiye's first privately owned ground handling company. Publicly listed on Borsa İstanbul (CLEBI), the group today serves airlines and cargo operators across multiple countries, including Türkiye, India, Germany, Hungary, and Indonesia. Çelebi has built a sustainability programme around the electrification of ground support equipment — from electric de-icing vehicles and LEED-certified facilities at Istanbul Airport to a fleet of more than 100 electric vehicles in Hungary — and was recognised in the TIME World Sustainable Growth List 2026.
Structured to match real financing closing timelines
Facilitating $2.8 billion in sustainable financing to date
SPOs delivered to projects financed by both the IFC and the World Bank
Semtrio delivered a Second Party Opinion (SPO) assessing Çelebi's sustainability-linked loan framework against the Sustainability-Linked Loan Principles (SLLP) for its IFC-linked financing.
Our Process
Semtrio structured the engagement into four sequential stages, matched to the transaction's financing timeline.
Türk Telekom carried a consolidated, group-wide Scope 1-2-3 GHG inventory directly into its 2026 cycle CDP Climate Change questionnaire.
Read More
Turkish Technic completed its EcoVadis gap analysis and its EcoVadis-aligned GRI sustainability report from a single, shared data foundation.
Read More
Turkish Airlines brought its combined CDP Climate Change and Water Security questionnaire into a single, structured disclosure architecture for the first time.
Read MoreWhether you are navigating a similar challenge or scoping a new engagement — we are here to have a direct and useful conversation.
