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Photo: Frank Felix Debatin, founder and CEO of North Data GmbH, Hamburg (© North Data)

Vienna Stock Exchange Acquires Majority Stake in North Data

Photo: Frank Felix Deba­tin, foun­der and CEO of North Data GmbH, Hamburg (© North Data)
23. Septem­ber 2026

Vienna (Austria)/Hamburg — Wiener Börse AG is acqui­ring an 80% stake in North Data GmbH. North Data aggre­ga­tes publicly available corpo­rate infor­ma­tion from nume­rous regis­tries and sources and pres­ents it in a digi­tal, struc­tu­red, and user-friendly format. RSM Ebner Stolz advi­sed Wiener Börse AG on the tran­sac­tion by conduc­ting finan­cial and tax due diligence. 

As the region’s leading infra­struc­ture provi­der, Wiener Börse AG opens the door to global markets. It brings toge­ther the Vienna and Prague stock exch­an­ges. Listed compa­nies bene­fit from maxi­mum liqui­dity, while inves­tors enjoy fast and cost-effec­­tive trading thanks to its posi­tion as market leader. The Vienna Stock Exch­ange coll­ects and distri­bu­tes price data and calcu­la­tes the key indi­ces for a dozen markets in the region. Thanks to its unique exper­tise, the natio­nal stock exch­an­ges in Buda­pest, Ljubljana, and Zagreb also rely on the Vienna Stock Exchange’s IT services. In addi­tion, it holds stakes in other energy exch­an­ges and clea­ring houses in the region, and now also in the company search engine North Data GmbH. 

North Data, head­quar­te­red in Hamburg, opera­tes a digi­tal plat­form for corpo­rate infor­ma­tion. The company aggre­ga­tes publicly available data from nume­rous natio­nal and inter­na­tio­nal sources, struc­tures it, and makes connec­tions between compa­nies and indi­vi­du­als trans­pa­rent. Its offe­rings are aimed, among others, at users in the fields of compli­ance, risk manage­ment, sales, and data-driven services. The busi­ness model includes freely acces­si­ble content, subscrip­­tion-based premium offe­rings, and data services provi­ded through inter­faces and data exports, among other means. North Data provi­des infor­ma­tion on compa­nies from 26 Euro­pean count­ries and combi­nes broad digi­tal reach with a scalable, data-driven busi­ness model. 

Wiener Börse AG is acqui­ring an 80% stake in North Data. With this tran­sac­tion, Wiener Börse aims to expand its exis­ting range of infor­ma­tion and data services and create addi­tio­nal trans­pa­rency in unlis­ted markets. Foun­der and CEO Frank Felix Deba­tin will retain a stake in the company and will conti­nue to support its future development. 

Advi­sors to Wiener Börse AG: RSM Ebner Stolz

Bektan Güler (Project Mana­ger, Tran­sac­tion Advi­sory Services), Tobias Papen­thin, Gustav Anton Stint­zing (all Finan­cial Due Dili­gence), Tobias Bake­berg (Part­ner, M&A Tax), Daniel Hach­mann (both Tax Due Diligence)

About RSM Ebner Stolz

RSM Ebner Stolz is one of the largest inde­pen­dent mid-sized audi­ting and consul­ting firms in Germany. The company ranks among the top ten in the indus­try and poss­es­ses broad exper­tise in audi­ting, tax, legal, and manage­ment consul­ting. With this multi­di­sci­pli­nary consul­ting approach and over 2,900 employees across 15 loca­ti­ons, RSM Ebner Stolz—as one of the market leaders serving small and medium-sized businesses—advises natio­nal and inter­na­tio­nal indus­trial, commer­cial, and service compa­nies across all industries. 

As a member of RSM Inter­na­tio­nal, RSM Ebner Stolz offers its clients high-quality audit and consul­ting services in 120 count­ries world­wide through more than 500 offices.

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