Safety-Critical Building Services Engineering Design – A Specialized Field with High Market Barriers

A renowned engineering firm specializing in building services engineering (TGA), based in the attractive Rhine-Main region, is for sale With approximately 40 qualified employees, the company covers all service phases of the HOAI and holds a strong market position Core Competencies & Client Base: The firm offers cross-disciplinary planning in the areas of heating, ventilation, plumbing, refrigeration, and electrical systems . A particular strength is its in-house measurement and control department . A strategic focus is on the energy-efficient retrofitting and upgrading of existing buildings, particularly schools, sports facilities, and special-purpose structures . The client base is high-caliber and crisis-resistant: Approximately 75% of contracts come from the public sector (municipalities, counties, municipal enterprises) Potential & Restructuring: The company is currently undergoing operational restructuring, which is already yielding significant cost savings (e.g., IT, vehicle fleet, subscriptions) By eliminating historically accumulated one-time effects and optimizing change order management, there is considerable potential for EBIT growth The company is certified to ISO 9001:2015 and holds all relevant industry certifications (including fire alarm systems and drinking water hygiene) Succession: The experienced COO is available for a transition period of 1–2 years to ensure a smooth handover and the continuity of customer relationships

The company in question is an established engineering firm specializing in building services engineering that has been operating successfully in the market for over four decades. With approximately 10 highly qualified employees, the company offers comprehensive engineering services across all HOAI service phases and supports projects from the preliminary planning stage through to project supervision. The focus is on heating, ventilation, plumbing, refrigeration, and building automation, complemented by energy-efficient building services concepts and digital design using BIM, 3D, and CAD technology. The customer base consists primarily of general contractors, architects, and project developers, who ensure recurring orders and predictable cash flows. Thanks to its proprietary, continuously optimized planning software, the company achieves above-average efficiency and EBITDA margins in the high double digits, positioning it exceptionally well for further growth in a regulation-driven market.

The owner of a building services engineering design firm is seeking a co-owner or partner in the design industry (architects, project developers, project managers, and specialized engineers in the construction sector) as part of a succession plan. Thirty-three employees (22 engineers, working students, systems planners, and trainees in systems planning) work in the field of building services engineering in Berlin on all types of buildings—new construction and renovation—across all project phases (LPH) of the HOAI and all cost groups. A capable management team (authorized signatories) leads the company alongside me, the founder. We have mastered BIM-based design processes. Design work is carried out in the cloud using Revit, Linear, and supplementary software.

The company for sale is an established, independent engineering and consulting firm based in Lower Saxony. Since 2015, the company has been known for providing professional consulting and comprehensive services related to energy-efficient and sustainable construction and renovation. Its focus is on supporting builders, property owners, businesses, and municipalities in the planning and implementation of energy-efficient new construction and renovation projects. The team currently consists of 8 qualified employees, including civil engineers, architects, technical drafters, and business professionals. A second level of management is in place, ensuring continuity in day-to-day operations. Services include energy audits, customized renovation roadmaps, guidance on funding opportunities, energy performance documentation in accordance with the German Energy Conservation Act (GEG), sustainability certifications, blower door tests, issuance of energy performance certificates, as well as independent construction supervision and heating system modernization. Unique Selling Proposition: The company has a highly advanced, digital document automation system. This allows the company to fulfill the extensive and bureaucratic documentation requirements much more efficiently than many competitors. Customer Acquisition: Thanks to its long-standing and competent delivery of services, the company has established itself in the industry and now receives the majority of its customers through referrals from a reliable network of tradespeople.

Over 90 years of company history with approximately 1,000 systems under service. Focus on industrial systems such as infrastructure-related district heating systems, combined heat and power plants, steam generators, cooling water stations, etc., with a capacity of up to 15 MW. The company for sale is an established provider in the field of building services engineering (BSE) with an impressive history spanning over 90 years. Originally founded as a small craft business, the company has evolved into an internationally active technical service provider offering integrated solutions across the entire value chain—from planning to the operation of technical systems. With an excellent reputation among commercial and public-sector clients, the company is a reliable partner for demanding projects. Service Portfolio: The company offers comprehensive, one-stop services covering all phases of a project: Consulting & Planning: Customized solutions for complex requirements Project Planning & Execution: Efficient implementation of technical systems Maintenance, Service & Operation: Long-term support and assurance of system functionality Systems Serviced: District heating and heat exchange stations Heating plants & combined heat and power (CHP) plants Steam boilers and refrigeration systems Renewable energy systems Core Areas: Plumbing, heating, and ventilation technology Water and gas supply Electrical engineering Measurement, control, and regulation technology (MSR)