In December 2017, DI Mittelstand acquired all shares in vosla GmbH (Plauen). With 220 employees, vosla develops and produces innovative lighting solutions "Made in Germany" for renowned customers worldwide in the automotive, transportation, railroad and aviation industries, as well as medical technology.

In January 2022, DI Mittelstand acquired Aspel Group N.V. ("Aspel") from a Belgian family investor. Aspel is one of the leading suppliers of complex injection molded parts, especially for the automotive industry. Aspel's long-standing customer base includes well-known companies, especially from the Tier 1 automotive supplier sector (e.g. Bosch, Valeo and Hella).

In September 2018, DI Mittelstand acquired all assets of EMDE Bohrtechnik Group. EMDE is a supplier of drilling tools for special construction. In addition, the Group produces high-quality machines and components for well-known customers worldwide in the chemical, energy and waste recycling industries as well as in mechanical and plant engineering. The company employs ~200 people in Nentershausen and Staßfurt.

Founded in 1960 and headquartered in Straubing, Bavaria, Loibl is one of the leading German suppliers of customized material handling solutions for bulk materials of all kinds, with expertise in the energy sector. In June 2019 Deutsche Invest’s special situations team at DI Mittelstand acquired 100% of Loibl in a carve-out from US-based Babcock & Wilcox Enterprises, Inc. In May 2023 Loibl Holding GmbH was sold in a successful exit to Martin GmbH für Umwelt- und Energietechnik.

In January 2023, DI Mittelstand acquired a majority interest in TEAM Industries N.V. ("Team Industries"), headquartered in Belgium. TEAM Industries N.V. is a leading supplier of mechanical systems and manufacturer of functioncritical metal assemblies for various industries. The company employs 750 people across a portfolio of six production facilities in Belgium, Slovakia, and Romania, each having a unique and complementary positioning and offering.

In November 2023, DI Mittelstand acquired all shares of Wirtz Werkzeugbau GmbH. Wirtz is a Germany-based, highly reputable manufacturer of fully automated production solutions, specializing in high-precision applications for the automotive and surface finishing industries. With more than 50 employees the company covers the entire value chain from planning, development, production and assembly of production systems and tools to after-sales support.

In December 2023, DI Mittelstand purchased 100% of Leoni AG’s Wire Products & Solutions Business Group (BG PS), a leading specialist manufacturer of copper-based products and solutions, in a carve-out transaction from Leoni AG. Now under the new brand Aerumtec, the Group offers a unique choice of wires, strands and ropes made from copper and alloys bare and plated, as well as composite materials. Products are customized to individual customer requirements and installed within a wide range of industries, including automotive, aviation and industrial applications. Headquartered in Weißenburg, Germany, and with over 500 employees globally, the company has an international production footprint with five production facilities in Germany, UK and China.

In January 2024 Alutech Holding GmbH & Co. KG, advised by DI Mittelstand, acquired all shares of ae group ag. The ae group is one of the leading German suppliers for aluminium die-cast parts to Tier 1 and other well-known OEMs worldwide. At four production sites in Germany and Poland ae group employs approximately 1.300 employees.