ACI Worldwide Partners with Solaris SE for Next-Gen Payments Infrastructure

In a bold move to enhance the future of payments, ACI Worldwide Inc. (NASDAQ: ACIW), a pioneer in global payments technology, has announced a significant partnership with Solaris SE, Europe’s foremost embedded finance platform. On September 29, 2025, ACI revealed that Solaris will migrate its entire SEPA instant payments infrastructure to ACI Connetic, ACI's state-of-the-art cloud-native payments platform.

ACI Connetic is a revolutionary solution that integrates account-to-account (A2A) payments, card processing, and AI-driven fraud prevention into a single modular architecture. This innovative platform aims to streamline operations for financial institutions, enabling them to innovate rapidly and comply with constantly evolving regulatory environments more efficiently and cost-effectively.

Tom Warsop, CEO and President of ACI Worldwide, emphasized the importance of this transition: “ACI Connetic represents a significant step-change in our commitment to supporting financial institutions as they navigate the complexities of the global payments landscape.” The partnership seeks to address the increasing complexities and regulatory demands in the payments sector, offering a robust framework for digital transformation and sustainable growth.

Solaris SE, a licensed banking institution based in Germany, has established itself as a leader in embedded finance by allowing businesses to integrate compliant digital banking services seamlessly. Carsten Höltkemeyer, CEO of Solaris SE, described the migration as a pivotal moment for the company's digital transformation and growth trajectory. “Migrating our instant payments capabilities to ACI Connetic marks a key milestone in Solaris’s digital transformation and growth journey,” he stated. This collaboration is expected to enhance Solaris's agility and performance, enabling the company to deliver superior banking services across Europe.

The integration of ACI Connetic is just the first step in a comprehensive modernization project for Solaris. By adopting this advanced platform, Solaris aims to bolster its capacity to onboard new Banking-as-a-Service (BaaS) clients swiftly, unlocking new revenue streams while upholding the highest standards of security and compliance.

Richard Albery, Head of Commercial for Europe at ACI Worldwide, highlighted the strategic alignment between ACI and Solaris in shaping the future of embedded finance. “The partnership between ACI Worldwide and Solaris underscores both companies’ commitment to driving the future of embedded finance and digital payments in Europe,” he remarked. With this collaboration, Solaris is well-positioned to spearhead the next wave of banking innovation, offering secure, scalable, and seamless financial services to a diverse ecosystem of partners.

As digital banking continues to evolve, the partnership between ACI Worldwide and Solaris SE is set to redefine industry standards and pave the way for future innovations. By leveraging ACI Connetic, Solaris aims to enhance its service offerings, ensuring that it stays ahead of regulatory challenges and technological advancements. This collaboration signifies a pivotal moment in the payment landscape, reinforcing both companies' roles as leaders in driving innovation and growth in the realm of embedded finance.

In a world increasingly reliant on digital transactions, the implications of this partnership extend beyond just payments; it represents a vision for the future of banking where agility, security, and innovation go hand in hand.