Active Equity.
The Family Way.
Contact
Entrepreneurial
embossed
Link between financial world
& Entrepreneur
Growth -oriented
strategy
Our goal: to secure and develop family assets -
with responsibility, clarity and an entrepreneurial feeling.
We invest in minority investments - with a focus on future -oriented business models in the areas of AI, data intelligence and digital infrastructure. Our industrial focus is automotive aftermarket intelligence and cyber intelligence.
We accompany German family businesses and the middle class in special situations: growth, succession, M&A or
Long -term investments in expertification for the diversification of our portfolio.
Co-investments in PE and VC funds-as an active link between entrepreneurs and investors.
For us, private equity is not a pure financial transaction, but relationship work, entrepreneurship and strategic foresight. We measure our success on what we are in the long term for companies, people and generations.
We think in generations, not in quarters. Our origin as a family of entrepreneurs shapes our thinking - and gives orientation for tomorrow.
We are not anonymous investors, but real sparring partners. Long-term, honest and committed to entrepreneurs, teams and co-investors.
We invest with foresight - and help companies to grow strategically: structure, capital, expertise and entrepreneurial spirit.
Standstill is step back. We get new ideas on the way, drive innovations and actively accompany companies through change and growth.
Our decisions are based on deep understanding of markets, business models and operational challenges - and on clear, disciplined action.
We ourselves were First Mover, Game Changer, Seed Investors, we were start-up and grown-up. We were B2C, B2B and have become the market leader. That is why we know exactly how the DNA is composed of a successful company.
Portfolio companies
Consolidated sales
M&A deals
Friends
With the investment holding DATELLIGENCE EQUITY PARTNERS, the Oosenbrugh Group invests in data and AI-based business models in the automotive aftermarket and cyber security sectors.
White Knight acts as a discreet partner in special business situations – from succession planning and restructuring to turnaround. With clear judgment and responsible capital, we strengthen mid-sized companies that combine substance with potential. Our mission: long-term solutions guided by values.
The O's offers innovative living that meets the increased demands of employers and employees alike. A temporary home, fully furnished and supplemented by individual services, which offers its residents a completely new kind of work-life balance and thus gives employers a decisive unique selling point in the competition for skilled workers.
We prefer to work with hungry entrepreneurs who understand their market and
customers very well.
The Oosenbrugh Group acts as an initiating partner of the datelligence Equity Partners GmbH and, with its managing directors Marcel and Maurice Oosenbrugh, provides decisive leadership impulses. Due to the close interlinking of both companies, dating of strategic controlling, market-strong advice and operational management skills within the Oosenbrugh Group supports them- and thus benefits sustainably from their data and participation expertise.
Lahzo combines artificial intelligence with data-driven marketing to help businesses automate customer acquisition. With smart AI Sales Agents and targeted performance campaigns, Lahzo delivers more leads, higher conversion rates, and measurable growth — 24/7.
White Knight Capital is a discreet partner for the German Mittelstand—the backbone of the German economy and often family-owned—supporting entrepreneurs through complex and uncomfortable special situations. As Mittelstand entrepreneurs ourselves, we know every phase of the journey and recognize that problems are sometimes just that: real problems.
The Oosenbrugh Group invested early in ACID21 and accompanied the agency via co-investment, mentoring and strategic know-how transfer. Due to the extensive support of Marcel and Maurice Oosenbrugh, ACID21 was able to successfully advance its digital scaling. Even after the Exit, ACID21 remains a preferred partner of the Oosenbrugh Group and continues to benefit from this trusting, long-term cooperation.
The Boutique Hotel Es Molí in Deià stands for mallorcan elegance, lived tradition and the highest service quality. Located in the middle of the Tramuntana mountains, Molí connects it with modern amenities-whether in the extensive garden, the private rocky area "La Muleta" or the fine Mediterranean cuisine. A retreat for demanding guests who appreciate calm, style and individuality.
In 1997, Oosenbrugh GmbH laid the foundation for one of the leading digital companies in the areas of automotive, insurance and real estate. With the first electronic parts catalog and the expansion of international locations such as Atlanta, the founders drove the digitization of entire industries-from AI-based damage processing to automated invoice processes.
Marketparts is an international service that connects wholesalers to redistribute auto parts efficiently, helping them reduce stockouts and monetize excess inventory. By bringing together a wide network of wholesalers and buying groups, Marketparts enables companies to keep vehicles on the road by ensuring parts are always available where they are needed most. The solution operates anonymously, allowing wholesalers to source and sell parts securely, improve service levels, and increase inventory turnover—without compromising commercial relationships.
Nelskamp GmbH is one of the leading manufacturers of roof tiles in Germany and Europe. With decades of experience, Nelskamp combines traditional craft with the latest manufacturing technology to offer durable, aesthetic and sustainable roof solutions. The extensive product portfolio includes classic sound roof tiles and innovative system solutions that meet the highest demands in quality and energy efficiency.
Sweetspot Immobilien GmbH & Co. KG develops and maintains residential and office properties with special attention to monuments and historic buildings. As part of the Oosenbright Group, the company pursues a sustainable approach that combines historical substance with modern living concepts. As part of the project The O’s project, modern boarding houses and contemporary living concepts for specialists in the Sauerland are being built.
The O’s GmbH is developing modern boarding houses and flexible temporary living concepts that are specifically geared towards the needs of specialists. With a focus on flexibility, self -determination and high -quality service, The O’s creates attractive habitats that meet both the requirements of employers and the expectations of employees. Supported by Oosenbrugh GmbH as a strategic partner, real estate with history and character are converted into modern, functional living spaces. The O’s attaches particular importance to transparency, community and a well thought -out service offer.
Our partners about us: trust, expertise and foresight - together we create
sustainable success.
"The cooperation with Marcel and Maurice during our co-ownership of Eucon was not only very successful, but also a real joy. Both have sound know-how to position and develop a software company like Eucon. We have benefited considerably from each other."
Benedikt Jöris
Partner Hg Capital
“Maurice and Marcel Oosenbrugh have been established innovation partners of various industries with their companies for years. They have shaped the sector."
Dr. Alexander Erdland
President of the overall association of the German Insurance Industry (GDV)
"10 years ago, I got to know and appreciate the Oosenbrugh brothers in my role as managing director of a car dealer group. Together we developed a partial supply concept in the car trade industry, founded the associated construct from company participations. The innovative business model is now being used in the car trade across Germany. Today we have a special friendship with the Oosenbrugh family. My wife, Petra Hardeweg and I have rarely met personalities such
Thomas Spiegelhalter
Managing Director of Senger Holding
"I got to know the two brothers Maurice and Marcel Oosenbrugh as being very visionary and perceptive business partners who are interested in new business models. Their pronounced solution‑oriented approach characterised by open communication and respect formed the basis for a cooperative partnership which has lasted many years."
Niklas Potthoff
DZ Bank AG – Director of B2B
"Since ACID21 was founded we worked together successfully with Marcel and Maurice. Their mentorship and know-how alongside their investment with us, led to a substantial growth of our company. Also, after the successful exit we maintained our ties of friendship and continue to be a preferred online partner for the Oosenbrugh group. We look forward to our continued cooperation."
Jan F. Zemma & Gunnar Kurtz
founders of ACID21 GmbH Berlin
Do you represent a future -oriented business model,
are looking for growth capital or have innovative investment ideas?
Contact us - together we design success stories with added value.
Oosenbrugh Group GmbH
Seibertzstr. 3, 59939 Olsberg
© 2025 Oosenbrugh Group GmbH