Our company - our network

The Austrian ADD HOLSTEIN Erbenermittlung GmbH is a subsidiary of ADD HOLSTEIN GmbH in Germany, which was founded by Jan-Mathis Holstein and ADD Associés.

We and our German colleagues are available for personal consultations at our offices in Innsbruck , Berlin and Cologne. All our employees have been working in the field of probate research for many years and therefore have the necessary expertise to deal with unresolved estate matters. In addition, we have access to a unique international network and state-of-the-art research facilities.

ADD Associés is one of the world's leading companies in the field of heir tracing, with 28 offices in France, 8 offices abroad and more than 180 employees worldwide. Thanks to our collaboration with ADD Associés and their innovative in-house digital platforms, we can speed up searches.

Before joining ADD HOLSTEIN, Managing Director Jan-Mathis Holstein was Managing Director of a leading German probate research company for many years. He was also a director of the International Association of Probate Researchers (IAPPR) and received several awards at the British Probate Research Awards.

The Austrian subsidiary ADD HOLSTEIN Erbenermittlung GmbH was founded in Innsbruck in 2024. Our employees Julia Pfeifer, Eva Waldhuber and Jan-Mathis Holstein as managing directors are happy to be your contact persons.