Düsseldorf, 28 October 2026 - ARQIS has advised the managing shareholder of Schmallenberger Bohrservice GmbH ("SCHMABO") on a growth partnership with Munich-based investment company Maxburg. David Martins retains a significant stake in the company and remains Managing Director of SCHMABO. Through the growth partnership, SCHMABO will further expand its position as a specialist in technically demanding rock drilling. To this end, the company plans to invest in additional drilling capacity, new locations and targeted acquisitions.

SCHMABO, headquartered in Schmallenberg with a further location in Heideck, Bavaria, has grown into a nationwide provider of HDD drilling in difficult soil and rock formations since David Martins joined in 2021. With more than 30 employees, the company carries out projects for energy and utility infrastructure, in particular the laying of power, gas and water lines.

Maxburg, based in Munich, is an owner-managed private equity firm founded in 2014. It specialises in long-term investments in the DACH region.

An ARQIS team led by Dr. Jörn-Christian Schulze provided comprehensive legal advice to David Martins on the transaction. The mandate came about through a recommendation by M&A advisor Livingstone.

Advisors David Martins/Martins Holding GmbH
M&A-Berater: Livingstone Partners GmbH (Düsseldorf): Christian Grandin (Managing Partner), Felix Baust (Associate Director), Nils Reinold (Analyst)
ARQIS (Düsseldorf): Kerndealteam: Dr. Jörn-Christian Schulze (Partner, Lead), Christos Choudeloudis (Managing Associate), Tim Meyer-Meisel (Associate, alle Transactions); Partner: Thomas Chwalek (Transactions); Counsel: Jens Knipping (Tax), Martin Weingärtner (HR Law); Managing Associates: Tim Bresemann (Real Estate); Associate: Anna Munsch (HR Law); Foreign Lawyer: Qing Xia (Transactions)

This text was automatically translated from the German original.