Building Automation: Capital, consolidation, and platform strategies as new normal

The European building automation industry is undergoing a period of structural transformation. A traditionally fragmented, owner-managed market is increasingly giving way to a capital-backed platform ecosystem. M&A is no longer merely opportunistic but has become a core strategic tool for vertical integration, scaling expertise, international expansion, and value creation. Leading providers such as Siemens, Johnson Controls, Schneider Electric, and Trane Technologies dominate the market with integrated solutions and digital service portfolios. Mid-sized companies and platform providers such as VDK Groep, Elevion, and Konzmann complement the market with regional strength and specialized technical expertise. Drivers in a market expected to nearly double by 2034 include energy efficiency, regulation, digitalization, AI, and smart building technologies. Private equity is a powerful catalyst for market transformation, driven by buy-and-build strategies, software margin potential, and demand secured by regulation. M&A activity remains high due to fragmentation, technology needs, and international expansion goals.

For owners of private companies, this gives rise to clear strategic priorities: digitalization and cloud/AI technologies should be consistently expanded, service- and lifecycle-oriented business models strengthened, positioning sharpened, and organizational structures made scalable. Sustainability is also emerging as a key competitive and valuation factor.

Digitalization shifts value creation and creates new revenue models

The building automation industry is undergoing a profound transformation that is increasingly shaped by software, data, and services. Even though traditional hardware still plays a role, growth is clearly shifting toward digital solutions. Energy management software, cloud-based BMS, subscription models, and AI-powered optimization systems, in particular, are experiencing high growth rates. Wireless retrofits and cloud-based analytics are also gaining importance and ensuring that recurring revenue accounts for an ever-larger share of total revenue.

At the same time, digitalization significantly improves earnings quality. Digital and data-driven services generate substantially higher margins than the installation business. Providers that combine AI, IoT, and automation consistently achieve above-average EBITDA margins. At the same time, predictive maintenance enables both efficiency gains for customers and the introduction of performance-based compensation models. In addition, service and maintenance contracts have a stabilizing effect on the business model: they smooth out the volatility caused by economic fluctuations in the construction and modernization market. Regulatory frameworks also contribute to investment security and long-term planning.

Consolidation is accelerating

The M&A market in building automation is increasingly characterized by consolidation. The highly fragmented landscape of small and medium-sized providers offers attractive opportunities for strategic buyers seeking, above all, digital expertise—for example, in areas such as cloud architectures, AI technologies, or cybersecurity. These capabilities are becoming essential for remaining competitive and offering integrated, scalable solutions.

Companies with a high proportion of software or proprietary BMS systems also achieve higher EBITDA multiples, as software is not only more scalable but also generates more stable and predictable cash flows. Due to regulatory drivers and the increasing focus on energy efficiency, building automation is considered a particularly resilient industry.

In addition, regional expansion strategies are coming more into focus. North America and Europe remain key markets, but APAC in particular is gaining increasing importance due to high growth rates. Cross-border transactions are on the rise as companies increasingly pursue technological differentiation and geographic scaling in tandem.

Trane Technologies: Expanding digital capabilities through M&A

Trane Technologies provides a striking example of strategically driven investments. With the acquisition of BrainBox AI in 2025, Trane acquired a leading provider of autonomous HVAC optimization based on deep learning. Its technology enables energy savings of up to 25% and CO₂ reductions of up to 40%. The acquisition serves to strengthen Trane’s own digital capabilities and further develop the company’s decarbonization strategy. It also opens up or strengthens vertical markets such as hotels, healthcare, offices, retail, and airports, and unlocks potential for results-oriented service and SaaS models.

Also in 2025, Trane acquired a 49% stake in Kieback & Peter, a European specialist in smart building automation with proprietary hardware and software, service expertise, and a strong presence, particularly in the German market. The investment improves Trane’s access to an established BMS platform such as Qanteon and expands its own HVAC capabilities to include high-quality control and automation systems and lifecycle service business.

Overall, these investments strengthen Trane’s business model on multiple levels: they increase the share of recurring revenue, improve margins through software and AI services, enable extensive up- and cross-selling opportunities, and deepen customer loyalty through long-term service and SaaS contracts.

Private equity as a catalyst for market disruption

Private equity firms are playing a central role in the transformation of the building automation industry. Thanks to attractive market dynamics—including stable annual growth of 8–12%, demand underpinned by regulations, and a high proportion of recurring revenue – the sector is among the preferred investment areas. PE investors are increasingly relying on buy-and-build strategies, in which regional installation and automation companies are consolidated into larger platform groups. The goal is to realize economies of scale, optimize procurement and processes, and expand digital capabilities and software expertise.

The funds’ value creation strategies often include the digitalization of existing business models, the development of proprietary software stacks, and the expansion of the portfolio to include energy management and smart building services. By focusing on predictable cash flows from service and maintenance contracts, PE investors create stable, high-growth platforms.

At the same time, PE-financed platform groups significantly increase the pressure for innovation on traditional market participants. They drive the professionalization of software- and AI-based business models, thereby accelerating the structural transformation of the entire industry.

Success agenda for private business owners

• Prioritize digitalization: Investments in cloud-based BMS, AI-driven systems, and energy management increase enterprise value and EBITDA multiples.
• Strengthen a service-oriented business model: Expanding recurring revenue streams (maintenance, monitoring, software subscriptions) enhances stability and appeal to buyers and investors.
• Sharpen strategic positioning: Differentiation through specialization (e.g., healthcare, industry, energy efficiency) improves M&A options.
• Make the organizational structure scalable: Standardized processes, integrated IT systems, and modular service offerings facilitate integration by strategic buyers and PE platforms.
• Leverage sustainability as a competitive advantage: ESG expertise is increasingly becoming a decisive factor in acquisition decisions, particularly in light of European regulations.

Investec has a senior team in the Technology & Services sectors, who are experienced experts in selling, buying, and financing businesses.

If you have any questions or would like to learn more about building or industrial automation, company valuations, buyer activity, and current market opportunities, please contact us: arne.laarveld@investec.com,ervin.schellenberg@investec.com,  mirko.nikkels@investec.com,  constantin.waider@investec.com