Dr. Starck Unternehmensgruppe

What Dr. Starck Unternehmensgruppe does

Dr. Starck Unternehmensgruppe is a privately held, family-owned German building-services group headquartered in Siegburg, North Rhine-Westphalia, founded in 1947 by Dr. Ing. Dietrich Starck and now led by third-generation managing directors Nicola Müller-Starck and Michael Starck. The group operates four core service divisions — Gebäude- und Umwelttechnik (building and environmental technology), Isoliertechnik (thermal, cold, fire-protection, and acoustic insulation), Rohrbau (industrial pipe construction), and Elektro- und Sicherheitstechnik (electrical and security technology) — delivered through 14 wholly owned subsidiaries and brands across 15 locations in Germany.

Service scope spans design, installation, modernization, and 24/7 maintenance of heating, sanitation, climate, ventilation, electrical, and sprinkler systems for private, commercial, industrial, and public-sector customers, including reference projects with Forschungszentrum Jülich on the JUPITER supercomputer. The technology stack includes the proprietary Dr. Starck Fernleitsystem remote-monitoring platform for proactive fault detection, mobile heating-central units deployed during extended outages, and an online configurator for heating and bathroom design.

The group employs 600+ staff from 20+ nationalities, including 90+ apprentices across 10 trades plus a dual-study program, supported by a fleet of 400+ service vehicles. Revenue is generated via quote-based project pricing, recurring maintenance contracts, and managed technical facility-management services, with no public revenue disclosure. Recent strategy has combined organic multi-trade coverage with selective tuck-in acquisitions (INOX 2017, HKK-Service 2022, Gebr. Koop 2023, Elektro Feld 2026) and one divestiture (Kölner Kälte-Klima operation in 2023), positioning the group as a multi-trade, single-source provider for Germany's energy-transition and building-modernization market.

Name

Dr. Starck Unternehmensgruppe

Legal name

Dr. Starck & Co. Gesellschaft für Wärme- und Kältetechnik mbH

Website

https://dr-starck.de

Company type

Private

Founded year

1947

Operating status

Operating

Headcount range

11–50 employees

Short description

Dr. Starck Unternehmensgruppe is a family-owned German building-services group headquartered in Siegburg, offering installation, insulation, pipe construction, and 24/7 maintenance of heating, climate, and electrical systems to residential, industrial, and public-sector customers across 15 German locations.

Ownership category

akta.pro rank

Product category

Building Technology Services

NAICS

Facilities Support Services (561210), Electronic and Precision Equipment Repair and Maintenance (81121), Drywall and Insulation Contractors (238310)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585), Services-Facilities Support Management Services (8744)

akta.pro primary industry

Refrigeration & Cold-Chain Equipment Service (IMAIABAE)

Keywords

• Building technology services
• HVAC installation services
• Industrial insulation services
• Pipe construction services
• Electrical contracting services

Headquarters

HQ city

Siegburg

HQ country

Germany

HQ region

Europe

Offices14 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Installation services: Installation of heating, cooling, ventilation, and sanitation systems for private, commercial, and industrial customers
2. Maintenance and repair services: Ongoing maintenance, repair, and servicing of building technology systems with 24/7 emergency availability
3. Building management: Technical facility management services including operations, monitoring, and maintenance of building systems
4. Industrial insulation: Thermal, cold, fire protection, and sound insulation services for industrial facilities
5. Pipe construction: Manufacturing and installation of pipeline systems for industrial customers

Pricing tiers

Go-to-market motion1 record

Distribution channels2 records

Marketing channels5 records

Core offering

Dr. Starck Unternehmensgruppe is a German full-service provider of building and environmental technology, offering installation, maintenance, repair, and technical facility management for heating, cooling, ventilation, sanitation, electrical, and security systems across residential, commercial, and industrial properties. Through specialized subsidiaries, the group also delivers industrial insulation (thermal, cold, fire, and sound protection), industrial pipe construction, and steel trading. Services are delivered by 600+ employees across 15 locations with 400+ service vehicles and include a 24-hour emergency response and remote monitoring (Fernleitsystem).

Product overview

Dr. Starck Unternehmensgruppe is a comprehensive building services group offering four core service divisions: (1) Gebäude- und Umwelttechnik covering heating, sanitation, ventilation, air conditioning, and electrical systems; (2) Isoliertechnik providing thermal, cold, fire protection, and sound insulation; (3) Rohrbau for industrial pipeline construction; and (4) Elektro- und Sicherheitstechnik for electrical installations and security systems. The group operates multiple subsidiary brands including Dr. Starck & Co. Gesellschaft für Wärme- und Kältetechnik mbH, Dr. Starck Isoliertechnik GmbH, Dr. Starck Isoliertechnik Darmstadt GmbH, Dr. Starck Gebäude- und Umwelttechnik GmbH, Dr. Starck Rohrbau GmbH, Bick und Kopf Isoliertechnik GmbH, Lauterbach Gebäude- und Umwelttechnik GmbH, Starck Engineering GmbH, INOX Gesellschaft für Rohrsysteme und Feinblechsonderbau mbH, HKK-Service GmbH, Gebr. Koop GmbH, and Elektro Feld GmbH. With 600+ employees and 15 locations across Germany, the group provides complete building and industrial services from planning through installation to 24/7 maintenance.

Differentiator

Problem solved

Functional benefit

Products and services

• Gebäude- und Umwelttechnik (Building and Environmental Technology) Comprehensive building technology services including installation, maintenance, and repair of heating systems, sanitation, climate control, ventilation, air conditioning, and bathroom modernization for residential, commercial, and industrial clients.
• Isoliertechnik (Insulation Technology) Technical insulation services covering thermal insulation, cold insulation, fire protection, soundproofing, and façade cladding for industrial facilities and buildings.
• Rohrbau (Pipe Construction) Industrial pipeline construction and pipe system fabrication for the German and European process industry, including chemical, energy, food processing, and manufacturing sectors.
• Elektro- und Sicherheitstechnik (Electrical and Security Technology) Electrical installation, E-Check safety inspections per VDE, structured network cabling (CAT5-CAT7, fiber optics), security and alarm systems, video surveillance, intercom, and satellite technology for buildings.

Quantifiable outcome

• State subsidies up to 70% for heating modernization
• +1 more outcomes

Named customers2 records

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• SolvisminorStrategic or Co-development Partner · 17 June 2026Solvis is a heating system manufacturer that partners with Dr. Starck for info events (Infoabend) to educate customers about heating solutions. Events are held at Dr. Starck headquarters in Siegburg on June 17 and July 15, 2026.

Scale indicators7 records

Recent moves13 records

Expansion highlights5 records

Broad incumbents

• ENGIE Deutschland GmbH: One of the largest facility services and energy/HVAC service providers in Germany, part of the global ENGIE group. Overlaps with Dr. Starck in heating, cooling, and building technology services, but operates at much larger scale and across multiple service lines beyond Dr. Starck's residential/industrial focus.
• Viessmann Climate Solutions SE: Major German HVAC and heating system manufacturer. Adjacent to Dr. Starck as a technology partner and competitor for end-customer relationships; overlaps in heating installation and modernization services.
• Bosch Thermotechnik GmbH (Buderus): Large German/global HVAC manufacturer and service provider. Comparable to Dr. Starck in heating technology, with overlapping installation and service activities for residential and commercial customers.
• Kraftanlagen Gruppe: German industrial services and energy technology provider, part of Energie Baden-Württemberg. Comparable to Dr. Starck's industrial pipe construction, heating plant construction, and energy management capabilities.

Direct peers

• Gegenbauer Holding GmbH & Co. KG: German facility services group providing technical building management, HVAC, and energy services. Comparable to Dr. Starck's building and environmental technology division in scope and customer base.
• ROM Technik GmbH & Co. KG: German technical facility services and HVAC specialist. Comparable in operating multi-site building technology, heating, and climate services for commercial and industrial clients.
• Dalkia Deutschland GmbH: German energy services and district heating/cooling company, part of EDF/Dalkia group. Comparable to Dr. Starck's industrial heating plants, district heating, and remote monitoring energy management offerings.
• Wisag Industrie Service Holding GmbH: Major German facility services and industrial technical services provider. Directly comparable in technical building management, HVAC service, and industrial maintenance across multiple German regions.
• G+H Group (part of Bilfinger): German industrial insulation and scaffolding provider, now part of Bilfinger. Directly comparable to Dr. Starck Isoliertechnik in serving power generation, chemical, and process-industry clients with thermal, cold, and fire protection insulation.
• KAEFER Isoliertechnik GmbH & Co. KG: One of the largest industrial insulation contractors in the world, headquartered in Germany. Directly competes with Dr. Starck's Isoliertechnik division across thermal, cold, fire protection, and acoustic insulation for industrial and commercial customers.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/dr-starck

Compliance16 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 records

Subsidiaries14 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 Dr. Starck Unternehmensgruppe