About TONi

A team with deep experience in B2B2C finance.

smarter payment technologies GmbH is a German fintech founded in 2024 and headquartered in Wiesbaden. We built TONi, the first white-label and co-branded family finance app. As a team, we bring decades of experience in payments, digital banking, product development, and B2B2C services.

Founded

2024

Headquarters

Wiesbaden, Germany

Company name

smarter payment technologies GmbH

Mission

Help banks build lasting relationships with the next generation — before someone else does.

The team

We know execution.

Our founders combine decades of hands-on experience in payments, digital banking, product development, and B2B2C services.

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Ulrike Zädow

CEO & Co-founder

Ulrike brings extensive experience from management consulting and senior leadership roles in the benefits sector. Her focus is on understanding customer needs, developing scalable concepts, and building the commercial relationships that take them to market.

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Thilo Festerling

CPO & Co-founder

Thilo is a specialist in digital payment solutions with deep expertise in product development and go-to-market execution. He has led the design and launch of payment products across multiple markets and brings that operational rigour to TONi.

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Mathias Herrmann

CTO & Co-founder

Mathias is responsible for technology architecture and product experience. He has built digital products from concept to scale and brings a pragmatic, user-first engineering mindset to TONi's platform — designed to integrate cleanly with existing bank infrastructure.

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John Klein

CFO

John brings senior experience in financial leadership and venture building. He combines institutional finance know-how with entrepreneurial execution.

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