What Holtermann Regeltechnik does

Holtermann Regeltechnik GmbH is a German specialist system house (Systemhaus) for building automation and MSR-Technology (Messen-Steuern-Regeln / measurement-control-regulation), founded in 1955 and headquartered in Rietberg, North Rhine-Westphalia. The company delivers turnkey automation solutions for HVAC, refrigeration, energy management, and integrated building systems (access control, fire safety, lighting), deploying DDC controllers and GLT (Gebäudeleittechnik) management platforms from Siemens Building Technologies and Kieback & Peter, supported by an in-house control cabinet manufacturing workshop. Its technical stack spans field-level sensors/actuators, automation-level controllers, and management-level visualization including a proprietary Server-GLT for remote monitoring and maintenance via VPN.

The business operates on a project-based revenue model with deal sizes ranging from €110,000 to €1,500,000, complemented by recurring managed-service contracts covering 215+ customer buildings and supplementary training/hardware sales. Go-to-market is sales-led direct enterprise engagement — no indirect channels — with specialized account teams per control manufacturer, targeting German Mittelstand and large enterprises across logistics (arvato/Bertelsmann, Gebr. Heinemann, Dachser), manufacturing (CLAAS, Miele, WIESENHOF), retail (Aldi, Kaufland), healthcare, education, and public administration. The company completed 25,000+ projects since founding and maintains a 66-person workforce from a single Rietberg facility.

Effective January 1, 2025, founder Martin Holtermann sold his complete shareholding to VINCI Energies, integrating the company into the Building Solutions division under the GEBÄUDE.TECHNIK brand alongside six sister firms. Founder Martin Holtermann remains operational managing director alongside Olaf Walter from VINCI Energies. The company's strategic posture post-acquisition emphasizes continued operational autonomy while gaining access to VINCI Energies' network, training resources (including the VINCI Energies Academy), and cross-selling potential, with parallel investment in internal digitalization backed by three German government grants secured in 2024.

Name

Holtermann Regeltechnik

Legal name

Holtermann Regeltechnik GmbH

Website

https://holtermann-regeltechnik.de

Company type

Private

Founded year

1955

Operating status

Operating

Headcount range

51–100 employees

Short description

Holtermann Regeltechnik GmbH is a German building automation system house delivering turnkey MSR solutions (HVAC, energy management, DDC/GLT) using Siemens and Kieback & Peter platforms for enterprise customers across logistics, manufacturing, retail, healthcare, and public sectors. Since January 2025, it operates as a wholly-owned subsidiary of VINCI Energies Building Solutions.

Ownership category

akta.pro rank

Product category

Building Automation Services

NAICS

Automatic Environmental Control Manufacturing for Residential, Commercial, and Appliance Use (334512), Ventilation, Heating, Air-Conditioning, and Commercial Refrigeration Equipment Manufacturing (33341), Air-Conditioning and Warm Air Heating Equipment and Commercial and Industrial Refrigeration Equipment Manufacturing (333415)

SIC

Industrial Instruments For Measurement, Display, And Control (3823), Refrigeration & Service Industry Machinery (3580)

akta.pro primary industry

HVAC Service, Maintenance & Repair (BPABACAA)

akta.pro secondary industries

HVAC & Refrigeration Contracting (IMAFALAB), Refrigeration & Cold-Chain Equipment Service (IMAIABAE), HVAC System Replacement & Change-Outs (HSAOAGAB)

Keywords

• Building automation systems
• MSR measurement control technology
• HVAC control solutions
• Control cabinet manufacturing
• Energy management systems

Headquarters

HQ city

Rietberg

HQ country

Germany

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Technology or R&D, Marketing or Sales

Revenue model

1. Project-Based Building Automation Services: Complete building automation projects including planning, control cabinet manufacturing, installation, programming, commissioning, and handover. Revenue is project-based with varying contract sizes (ranging from 110,000 to 1,500,000 Euro per project).
2. Service and Maintenance Contracts: Long-term service contracts for building automation systems. Currently maintaining 215+ customer buildings with annual MSR maintenance services that include complete recommissioning, defect identification, and correction.
3. Control Cabinet Hardware Sales: Sale of custom-built control cabinets as standalone products for customers who need them as part of larger projects.
4. Training and Education Services: Customer training courses on building management systems (GLT), including DESIGO INSIGHT seminars and customer-specific training on energy management systems.

Go-to-market motion2 records

Distribution channels1 record

Marketing channels7 records

Core offering

Holtermann Regeltechnik GmbH is a Systemhaus that delivers complete building automation solutions, including planning, in-house control cabinet manufacturing, installation, programming, and commissioning of MSR (Messen, Steuern, Regeln) systems using Siemens and Kieback & Peter technologies. The company provides turnkey projects for HVAC, energy management, and DDC/GLT systems, supported by long-term service and remote monitoring contracts across logistics, industrial, healthcare, retail, and public sector customers.

Product overview

Holtermann Regeltechnik offers a unified portfolio of building automation products and services centered on MSR-Technik (measurement, control, and regulation). Their core offerings include Automationssysteme using Kieback & Peter and Siemens Building Technologies products, supported by in-house Schaltschrankbau (control cabinet construction). These are delivered as integrated Komplettlösungen (turnkey solutions) encompassing Planung & Konzept, Projektablauf, and Betreuung & Support services, with Gebäudemanagement providing ongoing building management capabilities. The portfolio spans from field-level components through automation controllers to GLT management software, enabling complete building automation from design through long-term operation.

Differentiator

Problem solved

Functional benefit

Products and services

• MSR-Technik (Messen, Steuern, Regeln) Core measurement, control, and regulation technology for building automation systems, enabling automated management of HVAC and other technical building equipment. Offered to enterprise customers across logistics, industrial, healthcare, and commercial sectors.
• Automationssysteme (Automation Systems) Building automation and management systems using products from Kieback & Peter and Siemens Building Technologies, encompassing field-level sensors and actuators, automation-level DDC controllers, and management-level GLT visualization. Designed for enterprise building operators.
• Gebäudemanagement (Building Management)
• Komplettlösungen (Turnkey Solutions)
• Betreuung & Support (Service & Support)
• Planung & Konzept (Planning & Concept)
• Schaltschrankbau (Control Cabinet Manufacturing)
• Energiemanagement (Energy Management Systems)

Quantifiable outcome

• CLAAS saves over 500,000 Euro annually in operating costs through intelligent building automation
• +2 more outcomes

Named customers24 records

Segments8 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature5 records

Partnerships

Six partnerships are on record, tiered core and minor.

• VINCI Energies / Building SolutionscoreStrategic or Co-development Partner · 1 January 2025Holtermann was acquired by VINCI Energies in January 2025, becoming part of their Building Solutions division. Martin Holtermann remains as operational Managing Director alongside Olaf Walter from VINCI. This integration secures the company's future and provides access to VINCI's network and resources while maintaining Holtermann's brand and operations.
• Siemens Building TechnologiescoreTechnology or IntegrationCertified Solution Partner of Siemens Building Technologies. Company has specialized teams dedicated to Siemens systems and offers all services related to DDC and GLT systems. Partnership enables access to latest building automation technologies.
• Kieback & PetercoreTechnology or IntegrationSelected Premium-Partner of Kieback & Peter with over 25 years of collaboration. Company holds certification recognizing quality of execution. Dedicated teams specialize in Kieback & Peter control systems.
• PME Familienservice GmbHminorOthersPartnership for employee support services covering work-life balance topics including family care obligations. Available to all employees as part of benefits package.
• EGYM WellpassminorOthersCorporate health membership partnership offering EGYM Wellpass membership with employer subsidy for employee fitness and health.
• corporatebenefitsminorOthersEmployee discount platform providing access to discounts from over 7,000 brand-name providers including Apple, Vodafone, and many others.

Scale indicators6 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Honeywell Building Technologies EMEA: Global building automation incumbent offering BMS, HVAC controls, and energy management — competes for the same enterprise German customers and increasingly bundles cloud services that threaten independent integrators.
• Johnson Controls Deutschland: Global building automation and HVAC controls incumbent (formerly Tyco, with FX/TAC brands). Competes for large enterprise and public-sector projects across Germany in the same verticals as Holtermann.
• ABB Electrification (Smart Buildings): ABB's smart buildings business offers KNX-based and IP-based building automation systems, competing for commercial and industrial BMS projects across Germany and Europe.
• Siemens Smart Infrastructure (Building Products): OEM of DESIGO building automation platform and Holtermann's primary technology partner. As a global incumbent, Siemens competes for large enterprise projects and may push direct sales to Holtermann's key accounts.
• Schneider Electric (EcoStruxure Building): Global vendor of building management systems and BMS hardware/software. Competes in the German enterprise and logistics segments with its EcoStruxure Building platform, increasingly via direct enterprise sales.
• Kieback & Peter GmbH & Co. KG: OEM of building automation systems and a Premium-Partner supplier to Holtermann. As a manufacturer with own system integrator network, it is both a technology partner and a competing system integrator in Germany and Europe.

Direct peers

• SAUTER Deutschland: German subsidiary of Swiss Sauter Group, providing building automation and HVAC control solutions including consulting, installation, and service — directly overlapping with Holtermann's system-house model.
• DEOS AG: German building automation system house specializing in HVAC/DDC/GLT solutions, with similar size, regional focus, and OEM partnerships (Siemens, Kieback & Peter ecosystem). Most directly comparable independent peer to Holtermann.

Emerging players

• WAGO Kontakttechnik GmbH & Co. KG: German manufacturer of automation components (WAGO-I/O-SYSTEM) used in building automation; competes indirectly with Holtermann for new digital BMS projects while also supplying competing integrators.

Others

• VINCI Energies Building Solutions (sister companies): Holtermann's sister companies within VINCI Energies Building Solutions (e.g., Dechow, Dunckel, Hammer, Lagrange, Pieper, Stingl) operate regional building technology system houses — direct internal peers whose overlap and cannibalization will shape Holtermann's role within the group.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks6 records

Key highlights7 records

Customer concentration

• Facebookfacebook.com/holtermann.regeltechnik

Revenue estimate

Valuation estimate

Number of profiles

Profiles14 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Holtermann Regeltechnik