Numbrs Personal Finance
A Swiss financial-technology company that developed a bank-account aggregation and mobile personal-finance app before shifting toward offline Bitcoin storage.
Last updated August 25, 2026
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Overview
Numbrs Personal Finance AG is a Swiss financial-technology company formerly known as Centralway Numbrs. It was founded in 2012 by Julien Arnold, Dennis Just, and Johannes Hübner within a corporate accelerator controlled by Martin Saidler’s Centralway group. The company’s initial concept was influenced by Mint, the US personal-finance service that popularized the aggregation of bank accounts and financial information in a single digital interface. The company presented its product publicly at a financial-technology conference in 2013 and launched the Numbrs application in Germany in 2014. In its original form, Numbrs connected to users’ bank accounts and credit cards, brought financial information together in one application, supported mobile banking transactions, categorized spending, and helped users prepare personal financial plans. The product was intended to give consumers a consolidated view of their finances rather than requiring them to manage each banking relationship through a separate channel. The service was used in Germany and the United Kingdom, with the company seeking to build a broader consumer-finance platform around account aggregation and banking distribution. The app encountered criticism over both user experience and data handling. In November 2014 it received a low rating in the Apple App Store, and in 2015 the German consumer magazine Finanztest assessed it as unsatisfactory. A central concern was that customer data was retained on the company’s servers, creating privacy and security concerns for users of a service dealing with banking information. These issues illustrated the trust, data-governance, and interoperability challenges facing early personal-finance aggregation products. By January 2017, the company said that users had entered approximately 1.5 million accounts into the app. The same period saw reports that Numbrs had raised $125 million from investors including the Saidler family office, Marcel Ospel, Sir Ronald Cohen, Josef Ackermann, Alan Howard, and the Investment Corporation of Dubai. The funding supported the company’s expansion and its effort to develop revenue beyond a consumer application. Because Numbrs was privately held, the reported financing figure should be understood as a historical company-reported or press-reported total rather than a current valuation or public-market measure. In early 2017 Numbrs signed arrangements with Postbank, Norisbank, and SWK Bank in Germany. These partnerships allowed users to compare selected banking offers and apply through the application for products such as accounts, loans, and credit cards. The model sought to earn fees from banking partners when users generated new business, marking the first described set of monetization arrangements of this type for the platform. In March 2017 the company appointed Oyvind Oanes as chief executive, but it reduced its workforce by approximately one-third in June of the same year. In November 2017, the corporate name changed from Centralway Numbrs to Numbrs Personal Finance AG, reflecting the transition away from the earlier Centralway-branded identity. Oanes left the chief executive role in May 2018. In May 2020, Numbrs announced a restructuring intended to reduce its workforce by almost half, equivalent to 62 employees according to the referenced account. The company subsequently pivoted away from its original account-aggregation emphasis toward offline storage solutions for Bitcoin. This later offering was associated with a dedicated data center in Zug, Switzerland. As a result, Numbrs Personal Finance is best understood as a fintech brand whose business moved from consumer financial aggregation and banking distribution toward digital-asset custody infrastructure. Publicly available reference material does not establish a complete current product catalog, ownership structure, financial condition, or the precise status of the former consumer application.
History
Numbrs Personal Finance began in 2012 as a fintech project inside a corporate accelerator controlled by Martin Saidler’s Centralway group. Its founders were Julien Arnold, Dennis Just, and Johannes Hübner. The initial product idea was shaped by the emergence of Mint in the United States, where account aggregation had demonstrated that consumers might prefer a unified financial dashboard over separate bank applications. The company demonstrated the product at a financial-technology conference in 2013 and launched in Germany in 2014. The original Numbrs application connected users’ bank accounts and credit cards, allowing them to view financial information in one place. It also supported mobile banking transactions, spending categorization, and personal financial planning. The application later had a presence in the United Kingdom as the company attempted to develop a cross-market consumer-finance platform. Early reception exposed important challenges. The application had a two-star-out-of-five Apple App Store rating in November 2014. In 2015, Finanztest rated the product unsatisfactory, with the retention of customer data on company servers identified as a significant privacy concern. These criticisms were particularly consequential because the application handled sensitive banking information and depended on consumers trusting a non-bank intermediary with access to their financial records. The company continued to raise capital and expand its account base. By January 2017, reported investors included the Saidler family office, Marcel Ospel, Sir Ronald Cohen, Josef Ackermann, Alan Howard, and the Investment Corporation of Dubai. The company said that approximately 1.5 million accounts had been entered into the application. The reported cumulative funding was $125 million at that point, although Numbrs was not a public company and the referenced material does not provide a current financial position or valuation. A major strategic development occurred in early 2017, when Numbrs established arrangements with Postbank, Norisbank, and SWK Bank. Through these relationships, users could compare certain banking offers and apply for accounts, loans, and credit cards through the app. The business model aimed to generate partner fees when users created new business for participating banks. This represented a move from an engagement-focused financial dashboard toward a distribution and lead-generation platform for financial products. Management and organizational changes followed. Oyvind Oanes became chief executive in March 2017, and the company reduced its workforce by about one-third in June. In November 2017, the corporate name changed from Centralway Numbrs to Numbrs Personal Finance AG. Oanes left the CEO position and the company in May 2018. In May 2020, Numbrs announced a restructuring intended to reduce its workforce by almost half, described in the available material as 62 employees. The company subsequently pivoted toward offline Bitcoin storage. The new direction was associated with a dedicated data center in Zug and represented a material change from the original consumer application, which had focused on aggregation, mobile banking, and financial planning. Available reference material does not fully document the later product architecture, customer base, regulatory status, ownership, or whether the original Numbrs application remains available. The company’s history therefore spans two distinct phases: an early consumer-finance platform and a later digital-asset storage business.
- 2020
Restructuring and Bitcoin-storage pivot
[1]The company announced a major workforce reduction and shifted toward offline Bitcoin storage associated with a Zug data center.
- 2017
Banking-product distribution partnerships
[1]Numbrs partnered with Postbank, Norisbank, and SWK Bank to support comparisons and applications for selected banking products.
- 2017
Corporate name changed
[1]Centralway Numbrs changed its name to Numbrs Personal Finance AG.
- 2015
Consumer privacy criticism
[1]Finanztest rated the application unsatisfactory and raised concerns about customer data being retained on company servers.
- 2014
German launch
[1]The application launched in Germany with account aggregation, mobile banking, spending classification, and financial-planning functions.
- 2013
Application demonstrated publicly
[1]Numbrs demonstrated its personal-finance application at a financial-technology conference.
- 2012
Company founded within Centralway accelerator
[1]Julien Arnold, Dennis Just, and Johannes Hübner founded the company within a corporate accelerator controlled by Centralway.
Products and positioning
A fintech platform initially positioned around consolidated personal-finance management and mobile banking, later repositioned toward institutional or infrastructure-oriented offline Bitcoin storage.
Personal finance management · 2014
Numbrs application
The original Numbrs application aggregated bank-account and credit-card information in a unified interface. It supported mobile banking transactions, spending classification, and personal financial planning. The product was launched in Germany in 2014 and was also used in the United Kingdom. Its proposition depended on connecting information from multiple financial institutions so consumers could monitor and manage their finances through one application.
Financial-product distribution · 2017
Banking-product comparison and applications
Following agreements with Postbank, Norisbank, and SWK Bank in 2017, Numbrs enabled users to compare selected banking offers and apply through the app for products including accounts, loans, and credit cards. The model was designed to monetize the consumer platform through payments from banking partners when users generated new business.
Digital-asset custody
Offline Bitcoin storage
Numbrs later pivoted toward offline storage solutions for Bitcoin. The offering was associated with a dedicated data center in Zug, Switzerland. The available reference material identifies the strategic direction but does not provide enough detail to describe the technical architecture, supported customers, custody model, or current commercial availability.
Controversies
2015
Privacy concerns over server-side customer data retention
Finanztest rated the Numbrs application unsatisfactory and criticized the retention of customer data on company servers. The issue was significant because the product handled sensitive bank-account and credit-card information.
Brand decisions
2020
Pivot toward offline Bitcoin storageStrategyBackground
After restructuring and substantial workforce reductions, the company moved away from its original account-aggregation focus.
Action taken
Numbrs shifted toward offline Bitcoin storage solutions linked to a dedicated data center in Zug.
Aftermath
The pivot marked a transition from a consumer personal-finance application to a digital-asset storage business. The subsequent operating details are not established by the available reference material.
2017
Move toward banking-product distributionStrategyBackground
The original application primarily aggregated financial information and supported personal financial management. Numbrs sought a commercial model that could generate revenue through banking partners.
Action taken
The company reached arrangements with Postbank, Norisbank, and SWK Bank, allowing users to compare offers and apply for accounts, loans, and credit cards through the application.
Aftermath
The arrangements were described as Numbrs’s first set of monetization partnerships based on generating new business for banks.
2017
Corporate rebranding from Centralway NumbrsStrategyBackground
The company had operated under the Centralway Numbrs name since its formation within the Centralway accelerator.
Action taken
In November 2017, it changed its name to Numbrs Personal Finance AG.
Aftermath
The new name emphasized the Numbrs identity and its personal-finance positioning.
Sources1 sources
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