Top 5 Big Data Angel Investors in Hungary in February 2025

Last updated: Feb 2025 A list of 5 angel investors that invest in Big data startups based in Hungary. We rank investors based on the number of investments they made in Big data companies from Hungary. We update this investor list every month.

Top 5 Big Data Angel Investors in Hungary in February 2025

Investor	Big Data Hungary investments
Maximilian Tayenthal	1
Stefan Jeschonnek	1
Charles Delingpole	1
Jan Deepen	1
Valentin Stalf	1

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Investor list

Maximilian Tayenthal is co-founder and co-CEO of N26. Together with his business partner and friend Valentin Stalf, he built one of the first and now fastest-growing mobile banks in Europe. Their vision was to create a retail bank that's flexible, transparent and speaks to today's digital lifestyles. Previously, Max worked in a varietyof consulting and financial roles at leading professional services firms, including CMS and Booz & Company. Max holds bachelor’s and master’s degrees in economics and business administration from the University of Vienna. He also has a master’s degree in economics from the Community of European Management Schools, as well as a law degree form the University of Vienna. Max is a CFA charterholder. While Max is based in Berlin, he always makes time for his passion outside of personal finance: skiing in the mountains of Austria and Switzerland.

Investment focus

FinTech, Financial Services, Software
Seed, Pre-Seed, Series A
Germany, United Kingdom, Spain

Portfolio highlights

Vitt — Vitt is building a platform that simplifies both fundraising for SaaS founders and creates a new asset class for investors to invest in. A SaaS company that has contracted revenue can apply for financing it upfront — rather than waiting for cash to come in monthly, through Vitt's web application they get the cash upfront.Vitt analyses theirfinancial data and gives them a financing decision in a matter of minutes — not months. No more searching for intros to venture capitalists in your network. It shouldn't be about who you know but what you've built.
Terra One — Terra One engages in the development and operation of large-scale battery storage systems.
Exakt Health — Exakt Health is the physio app for sports injuries. The Exakt Health app guides users through self-diagnosis for frequent sports injuries and then creates an individualized rehabilitation plan.

Before Zeitgold, Stefan was a co-founder of the FinTech company SumUp and its chief product officer. He holds an MBA from the Stanford Graduate School of Business and a BA from the University of St. Gallen.

Investment focus

SaaS, Information Technology, Internet
Seed, Pre-Seed, Angel
Germany, France, Hungary

Portfolio highlights

sento.io — sento.io builds infrastructure to enable effortless B2B data exchange
Rebill — Rebill provides merchants with a unique control panel, and an API (programmatic environment) as well as pre-made payment pages so they can sell online in multiple regions very quickly, integrating with the financial entities and payment gateways they want.All customer's information, including non-sensitive card and subscription information,are stored at Rebill. Who, in turn, manages the recurrence of the collection of subscriptions, monitoring of card expiration and automatic collection retries to avoid delays and securing a predictable revenue model.Rebill is the last mile solution to improve the shopping experience for international stores. Provides flexibility to change providers: banks, or payment gateways, without losing information and in a matter of minutes.From Rebill, businesses can integrate multiple cloud services such as CRM (for customer management), or ERP (for business management), as well as local invoicing systems, among others.
SEON — SEON Fraud Prevention tools help organisations reduce the costs and resources lost to fraud. Spot fake accounts, slash manual reviews and cut chargebacks now.

Charles Delingpole is Founder and CEO of ComplyAdvantage, a technology company focused on wiping out financial crime using Machine Learning. As CEO, Charles leads the product development and growth of the company. His passion for the issue came from his time as the MLRO of a previous startup he founded when he realized how inefficient processesaround money laundering are. Charles previously worked at The Student Room as a Founder and CEO. He attended the University of Cambridge and The London School of Economics and Political Science (LSE).Over 99% of money laundering is successful, ComplyAdvantage is working to stop it completely. Founded in 2014 with offices in London, New York, Singapore, and Cluj, ComplyAdvantage work with over 350 firms across 45 countries. Charles set up his first company, The Student Room Group, now the world’s largest student discussion forum when he was 16. After completing his MA in Politics at Trinity College Cambridge, and then an MSc in Management, Strategy, and Finance from the LSE, he became an associate at J.P. Morgan Cazenove.

Investment focus

Financial Services, FinTech, Payments
Seed, Pre-Seed, Series A
United Kingdom, United States, Spain

Portfolio highlights

Firenze — Firenze aims to expand financial services by extending investment-backed lending to a wider audience, recognizing its importance in wealth creation and preservation. The founding team aims to democratize Lombard lending, making it accessible to all, while focusing on mass affluent clients.
Stackfix — Stackfix operates as a software comparison platform.
Juniper — Juniper is a reproductive healthcare insurance provider.

Before Zeitgold, Jan was a co-founder of the FinTech company SumUp and its chief commercial officer. Before SumUp, he was a principal at the Boston Consulting Group. Jan received his doctorate from the WHU - Otto Beisheim School of Management.

Investment focus

SaaS, Information Technology, Internet
Seed, Pre-Seed, Angel
Germany, Hungary, Argentina

Portfolio highlights

sento.io — sento.io builds infrastructure to enable effortless B2B data exchange
Rebill — Rebill provides merchants with a unique control panel, and an API (programmatic environment) as well as pre-made payment pages so they can sell online in multiple regions very quickly, integrating with the financial entities and payment gateways they want.All customer's information, including non-sensitive card and subscription information,are stored at Rebill. Who, in turn, manages the recurrence of the collection of subscriptions, monitoring of card expiration and automatic collection retries to avoid delays and securing a predictable revenue model.Rebill is the last mile solution to improve the shopping experience for international stores. Provides flexibility to change providers: banks, or payment gateways, without losing information and in a matter of minutes.From Rebill, businesses can integrate multiple cloud services such as CRM (for customer management), or ERP (for business management), as well as local invoicing systems, among others.
SEON — SEON Fraud Prevention tools help organisations reduce the costs and resources lost to fraud. Spot fake accounts, slash manual reviews and cut chargebacks now.

Valentin Stalf is co-founder and CEO of N26. In 2013 he founded N26 with his longtime friend Maximilian Tayenthal. Back then already, both shared a vision of building a bank that the world loves to use. Since the initial product launch in 2015, N26 has grown to include more than 2.5 million customers across 24 European markets — with plans toenter the US in 2019. The firm has raised more than USD 500 million from some of the world’s most well-known investors, including Insight Venture Partners, GIC - Singapore’s sovereign wealth fund, Tencent, Allianz X, Peter Thiel’s Valar Ventures, Li Ka-Shing’s Horizons Ventures, Earlybird Venture Capital, Battery Ventures, in addition to members of the Zalando management board, and Redalpine Ventures. N26 has more than 800 employees based in in Berlin, New York and Barcelona, who are concentrated on reinventing the banking experience for the digital generation. With its full banking license, state-of-the-art technology and no branch network, N26 is redesigning banking for the 21st century. Before N26, Valentin was an Entrepreneur in Residence for Rocket Internet, an incubator and investor in online startups. There he helped to develop several companies in the mobile payments industry, including payleven and Paymill GmbH. Moreover, he worked in strategy consulting and investment banking. Valentin has a bachelor’s degree in business administration and management and a master’s degree in accounting and finance from the University of St. Gallen. He is currently a member of the advisory board at the Vienna University of Economics and Business.