Retail and Private Banking segments now fully live on Mambu’s SaaS core platform as part of phased transformation strategy. 17 April 2026
Akbank AG, the German subsidiary of Turkey’s leading bank Akbank TAS, has successfully completed Phase 1 of its core banking transformation, to the leading SaaS cloud banking platform Mambu. The transformation was delivered in close partnership with Innovance, Mambu’s strategic technology partner.
The milestone marks a full transition away from Akbank AG’s legacy core system for its Retail and Private segments, with all customers and accounts in these business lines now operating on Mambu’s composable, API-first cloud-native core banking platform.
Operating under the supervision of Germany’s financial regulatory authority, BaFin, Akbank AG’s transformation represents a significant example of a regulated European bank modernising its core banking infrastructure through a structured, phased migration strategy.
The new architecture, hosted on Microsoft Azure, combines:
- Mambu as the core banking foundation. Its API-first architecture enabled the bank to integrate
easily with partners and reduce operational complexity, lowering maintenance effort and improving
resilience. - Core+ layer: This custom implementation layer communicates with Mambu and other integration services, acting as the central orchestration and business logic layer.
- Implementation partner: Innovance playing a key role in integrating the Core+ architecture with Mambu to enable scalable product modelling, transaction validation and limit management and standardised integration patterns aligned with Akbank AG’s target architecture.
A standout milestone was the delivery of the Limit Proposal Application in 2022, which enabled Akbank AG to launch a digital corporate credit approval process in just four months. The fully integrated ecosystem now includes core banking, accounting, payments, digital channels (web and mobile), wealth management back office, document management, and enterprise financial crime detection components. The modular approach allowed Akbank AG to adjust parameters—such as pricing, fees, and interest settings—directly through configuration rather than code, significantly reducing implementation time.
With Retail and Private Banking now live, the next phase of the transformation covering Corporate Banking and Lending is underway. This next stage will focus on complex lending requirements and the integration of several new systems using Mambu’s modular service structure.
“The industry is undergoing rapid transformation, and customers increasingly expect agility and seamless digital experiences,” said Osman Kara, Core Banking Technologies Vice President at Akbank AG. “With the successful completion of Phase 1 on Mambu, and in close collaboration with Innovance, we have modernised our core banking foundation and established a scalable architecture to support our next phase of growth.”
“Mambu is proud to have powered the transformation of Akbank AG. A show of our strength in the region, as well as our continued partnership with Innovance, this project will transform the banking capabilities of the region, as well as the offerings from Akbank AG. We look forward to the next phase of transformation.” says Mark Geneste, Chief Revenue Officer – Mambu
Yusuf Ürey – Innovance Founder & CEO: “At Innovance, we approach core banking transformation as a long-term capability shift rather than a system replacement. Together with Mambu, we have established a modern technology backbone for Akbank AG that enables continuous evolution, allowing the bank to respond faster to changing customer expectations and market dynamics.”
Mehmet Ali Özcan – Innovance Germany – Managing Director: “In this transformation, we developed the Core+ layer end-to-end to manage business logic, integrations and validations independently, while ensuring seamless interaction with Mambu’s platform. This approach allowed us to simplify system interactions and create a more adaptable and scalable foundation for future banking services.”
The successful migration strengthens Mambu’s footprint in the DACH region and, together with Innovance’s engineering and delivery capabilities, demonstrates the viability of replacing legacy core systems within regulated European banking environments.