S&B Strategy advises EOS Partners on the sale of Smart Energy Group (SEG) to Apleona

Our team advised EOS Partners on the sale of Smart Energy Group (SEG) to Apleona, a portfolio company of Bain Capital. The transaction was signed in September 2025.

EOS Partners is a long-term private equity firm with assets under management of €500 million. Its investment focus is on medium-sized companies in the DACH region, the Benelux countries and the Nordics, particularly in the software and technology-based services, industrial technologies and healthcare segments. EOS Partners supports high-growth companies in developing into leading players in their markets – with strategic expertise, a strong network and flexible capital. EOS attaches particular importance to establishing sustainable best practices that will continue to apply beyond the investment period.

The Smart Energy Group (SEG), based in Cologne and with six locations in North Rhine-Westphalia and Hesse, is a leading full-service provider for technical building equipment in Germany. With over 130 years of experience, more than 250 employees and an annual turnover of over €100 million, SEG offers comprehensive expertise in the fields of electrical engineering, ventilation and air conditioning technology, and planning. Through four established brands, SEG supports complex large-scale projects throughout Germany as a reliable partner from conception to implementation.

Our team supported EOS Partners throughout the entire sales process until the successful signing with commercial vendor due diligence services.

Quick Facts

Date

  • September 2025

EOS Partners

  • Long-term oriented private equity company with €500 million in AuM
  • Focus on medium-sized companies in the software, industrial technologies and healthcare segments

SEG

  • Leading full-service provider for technical building equipment
  • Comprehensive services in electrical engineering, ventilation and air conditioning technology, and planning
  • Focus on complex large-scale projects throughout Germany

Deal Value

  • Undisclosed

Services

  • Commercial Vendor Due Diligence

Team

  • Christoph Blepp, Managing Partner
  • Florian Moll, Director
  • Victor Heinrich, Associate
  • Jakob Kehrl, Associate

Your contact person

Christoph Blepp
Christoph BleppManaging Partner
Christoph Blepp is one of the leading strategy consultants in the construction and construction supply industry as well as in the infrastructure sector with extensive expertise in the areas of strategy development, value creation and corporate management. His focus is on achieving sustainable effects for companies and combining strategic initiatives with measurable results.
 
Through his analytical approach and deep understanding of industry-specific challenges, Christoph is able to develop customised solutions that drive both operational efficiency and strategic growth. His focus on holistic strategies, combined with his hands-on experience in managing complex business operations, makes him a sought-after partner for clients seeking sustainable success.
 
‘The transformation of the entire building construction, infrastructure and energy sector is leading to strong pressure for change and enables completely new approaches to strategy. Helping companies to create sustainable and superior business models is what drives me.’’