Herausgebergemeinschaft Wertpapier-Mitteilungen, Keppler, Lehmann
Corporate brand
UnclaimedGerman financial information services and media group, publisher of Börsen-Zeitung and operator of WM Datenservice, Germany's national numbering agency for securities.
Last updated September 28, 2026
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Overview
Herausgebergemeinschaft Wertpapier-Mitteilungen, Keppler, Lehmann GmbH & Co. KG, commonly known as WM Gruppe, is a German information services provider and media company headquartered in Frankfurt am Main. Founded in 1947, the company has grown into a specialist provider of financial market news, primary data solutions — particularly for financial instruments — and services that help clients meet regulatory requirements. Its business is organized into two profit centers: Börsen-Zeitung and WM Datenservice. Börsen-Zeitung, first published in 1952, is described as Germany's only daily newspaper focused exclusively on the financial sector. Under the BZ Live brand, the group also offers seminars, conferences, training courses, events, in-house training and workshops on banking and capital market topics. WM Datenservice is responsible for assigning German securities identification numbers (WKN) and acts as the National Numbering Agency for Germany, issuing International Securities Identification Numbers (ISIN) for German issuers, as well as CFI (Classification of Financial Instruments – ISO 10962) and FISN (Financial Instrument Short Name – ISO 18774) codes for all types of financial instruments. As Germany's National Numbering Agency, it has assigned approximately 76 million ISINs worldwide, representing a 55 percent share. WM Datenservice is also one of only three substitute numbering agencies worldwide, handling ISIN assignment for around 80 countries that do not have their own National Numbering Agency. Since 2014, WM Datenservice has been officially accredited by the GLEIF as an international issuing agency for the Legal Entity Identifier. The company is also a founding member and shareholder of the Association of National Numbering Agencies. In addition, WM Datenservice is an information services provider and financial data supplier for the international financial industry. This financial data is made available online through the company's website and as data feeds.
History
Herausgebergemeinschaft Wertpapier-Mitteilungen, Keppler, Lehmann GmbH & Co. KG, known as WM Gruppe, was founded in 1947 in Frankfurt am Main as an information services provider and media company. From its founding, the company focused on financial market news and, over time, expanded into primary data solutions for financial instruments and services for regulatory compliance. The group is structured around two profit centers: Börsen-Zeitung and WM Datenservice. Börsen-Zeitung was first published in 1952 and is described as Germany's only daily newspaper focused exclusively on the financial sector. Under the BZ Live brand, the group offers seminars, conferences, training courses, events, in-house training and workshops on banking and capital market topics. WM Datenservice became responsible for assigning German securities identification numbers (WKN) and serves as the National Numbering Agency for Germany, issuing International Securities Identification Numbers (ISIN) for German issuers, as well as CFI (Classification of Financial Instruments – ISO 10962) and FISN (Financial Instrument Short Name – ISO 18774) codes for all types of financial instruments. As Germany's National Numbering Agency, it has assigned approximately 76 million ISINs worldwide, representing a 55 percent share. WM Datenservice is also one of only three substitute numbering agencies worldwide, handling ISIN assignment for around 80 countries that do not have their own National Numbering Agency. It is a founding member and shareholder of the Association of National Numbering Agencies. Since 2014, WM Datenservice has been officially accredited by the GLEIF as an international issuing agency for the Legal Entity Identifier. In addition to its numbering agency functions, WM Datenservice is an information services provider and financial data supplier for the international financial industry, delivering data online through its website and as data feeds.
- 2014
WM Datenservice officially accredited by the GLEIF as an international issuing agency for the Legal Entity Identifier.
- 1952
Börsen-Zeitung first published; it is described as Germany's only daily newspaper focused exclusively on the financial sector.
- 1947
Company founded in Frankfurt am Main as an information services provider and media company.
Products and positioning
Specialist financial information services and media group, combining financial journalism with authoritative securities data and regulatory services.
Börsen-Zeitung
Germany's only daily newspaper focused exclusively on the financial sector, first published in 1952.
WM Datenservice
National Numbering Agency for Germany, responsible for WKN, ISIN, CFI and FISN assignment, and a financial data provider.
BZ Live
Brand under which the group offers seminars, conferences, training courses, events, in-house training and workshops on banking and capital market topics.
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