AKO Wartungs- und Service GmbH has been acquired by REINBURG Gruppe

September 2026 — Patrick Fath, the sole shareholder of AKO Wartungs- und Service GmbH, an established German specialist in the maintenance, inspection and repair of emergency power generators, has sold 100% of the company’s shares to REINBURG Gruppe. The acquisition strengthens REINBURG’s position in the technical services sector and expands its capabilities in critical power infrastructure. With its strong market position, diversified customer base and long-standing customer relationships, AKO represents an attractive addition to REINBURG’s growing group of specialized technical service providers.

AKO Wartungs- und Service GmbH is a specialized German provider of maintenance, inspection, repair and modernization services for emergency power generators and backup power systems. The company offers comprehensive, manufacturer-independent services designed to ensure the reliability and operational readiness of critical power infrastructure. Its service portfolio includes preventive maintenance, technical inspections, troubleshooting, repairs, retrofitting and modernization of emergency power systems. Operating in the aftermarket segment, AKO supports its customers throughout the operational lifecycle of their equipment. AKO serves a diversified customer base across various industries, including industrial manufacturing, healthcare, data centers, public institutions and operators of critical infrastructure. Selected references publicly featured on the company’s website include BASF, Daimler Truck, Siemens, SAP, Merck and the Fraunhofer-Gesellschaft. Under the leadership of its founder and sole shareholder, Patrick Fath, AKO established a strong market position, developed specialized technical expertise and built long-standing customer relationships. With decades of industry experience, the company has earned a strong reputation as a reliable service partner in a market where operational reliability and uninterrupted power supply are essential.

REINBURG is a Munich-based group of specialized electrical engineering and technical services companies. The group pursues an active buy-and-build strategy to establish a leading nationwide platform for B2B electrical and technical infrastructure services in Germany. Its service portfolio covers electrical installation, inspection, maintenance and repair, critical electrical infrastructure, emergency power systems, building automation, industrial maintenance and electrical safety services. REINBURG focuses on partnering with established, owner-managed businesses that demonstrate strong regional market positions, specialized technical capabilities and long-standing customer relationships. The group’s decentralized approach aims to preserve the operational independence and identity of its companies while providing additional resources and expertise to support their long-term growth and development.

Our role in the transaction

Oaklins’ team in Germany acted as the exclusive sell-side M&A advisor to Patrick Fath, the sole shareholder of AKO, in the sale of 100% of the company’s shares to REINBURG. The team managed the entire transaction process, including the preparation of marketing materials, identification and approach of potential strategic and financial investors, coordination of management meetings, evaluation and negotiation of offers and oversight of the due diligence process through signing and closing. Drawing on its extensive mid-market M&A experience, sector expertise and established investor network, Oaklins’ team in Germany generated competitive investor interest and successfully guided the transaction to completion. The transaction enabled Patrick Fath to secure a suitable succession solution while positioning AKO for continued growth and long-term development within REINBURG.