What Harwig Installatietechniek does

Harwig Installatietechniek is a Dutch private technical building installation firm founded in 1907 and headquartered in Emmen, Netherlands. The company designs, installs, and maintains mechanical, electrical, and security systems for healthcare, education, government, industry, and commercial clients primarily across the Northeastern Netherlands. Its operations are organized around five service pillars: Installatietechniek (HVAC, sanitary, sustainable/heat-pump solutions), Elektrotechniek (power, lighting, PV/solar, domotica, data networks), Beveiligingstechniek (intrusion, fire, access control, CCTV - certified to BORG Security Class 4), Harwig Engineering (a dedicated subsidiary for high-availability data center climate and electrical projects in NL, DE, BE, PT), and Beheer en Onderhoud (multi-year maintenance with 24/7 emergency response). The firm employs approximately 200 technical specialists across offices in Emmen and Assen, with an average employee tenure of 12.6 years and a credentials stack spanning ISO 9001, ISO 14001, BORG, NEN 2535, BRL K21039, VCA-VOL, and G-account status. Technology execution relies on BIM modeling, an OpenSpace 360° site-documentation platform, and a proprietary service app and customer portal for real-time installation monitoring.

The company's revenue mechanics combine project-based installation contracts (typically tendered through direct field sales to institutional clients) with recurring multi-year maintenance and 24-7 service contracts. Notable customers include UMCG, Treant Zorggroep, UMCG Ambulancezorg, Drenthe College (12 locations since 2016), Vechtdal College, Hoornbeeck College, Waterschap Vechtstromen, Politie Noord- en Oost-Gelderland, and multiple municipalities (Emmen, Assen, Hoogeveen). The technology stack includes third-party integrations with AJAX Systems, Hertek, Ascom, Siemens, and WAGO, and a flagship "plug-and-play mock-up with kitting" methodology developed in partnership with vocational training provider TSH that delivered 144 apartment installations in 7 days. Harwig is privately held with no parent company or external investors identified; the 2021 acquisition of ITN Installatietechniek Assen was integrated and rebranded under the unified Harwig brand in December 2022. Revenue is not publicly disclosed and the firm is led by Directeur Bernard Nederhoed.

Name

Harwig Installatietechniek

Legal name

Harwig BV

Website

https://harwig.nl

Company type

Private

Founded year

1909

Operating status

Operating

Headcount range

101–250 employees

Short description

Harwig Installatietechniek is a Dutch technical building installation firm that designs, installs, and maintains HVAC, electrical, and security systems for healthcare, education, government, industry, and data center clients primarily in Northeastern Netherlands, operating from Emmen and Assen with approximately 200 employees.

Ownership category

akta.pro rank

Product category

Building Installation Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (238220)

SIC

Electrical Work (1731)

akta.pro primary industry

Low-Voltage & Security Systems Contracting (Access Control, CCTV, Intrusion) (IMAFALAF)

akta.pro secondary industries

Fire Alarm Systems (Design/Install/Service/Monitoring) (BPABAHAA), Electrical Systems Maintenance (LV/MV, Switchgear, UPS) (BPABACAC)

Keywords

• Building installation services
• HVAC engineering
• Electrical installation services
• Security system installation
• Data center engineering

Headquarters

HQ city

Emmen

HQ country

Netherlands

HQ region

Europe

Offices2 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Installation Project Delivery: One-time project-based revenue from designing, installing, and delivering technical installations (HVAC, electrical, security) for new builds and renovations across healthcare, education, government, and industry sectors.
2. Service & Maintenance Contracts: Recurring revenue from maintenance contracts offering periodic inspections, preventive maintenance, and 24/7 emergency service for building installations. Customized contract forms for different client needs.
3. 24/7 Emergency & Disturbance Service: Round-the-clock emergency response service accessible via telephone (0900-1123333) and the Harwig service app, with guaranteed response times.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Harwig Installatietechniek designs, installs, and maintains technical building installations spanning HVAC and mechanical engineering, electrical infrastructure, and certified security systems (intrusion, fire, access control, CCTV). Through its subsidiary Harwig Engineering, it delivers specialized climate and electrotechnical services for high-availability data centers domestically and internationally. The company also provides recurring service and maintenance contracts with 24/7 emergency response and digital monitoring through its proprietary customer portal and mobile app.

Product overview

Harwig Installatietechniek is a Dutch installation and engineering services company offering a portfolio of integrated technical building solutions. Its core offerings consist of five interconnected service pillars: Installatietechniek (HVAC, sanitary, and mechanical engineering), Elektrotechniek (electrical infrastructure, lighting, PV/solar, domotica), Beveiligingstechniek (BORG class 4-certified security: intrusion, fire, access control, CCTV), Harwig Engineering (specialist data center division for climate and electrical engineering), and Beheer en Onderhoud (service & maintenance with 24/7 availability and a digital customer portal/app). The company serves healthcare, education, government, industry, and B2B sectors across Northeastern Netherlands from offices in Emmen and Assen, with approximately 200 employees.

Differentiator

Problem solved

Functional benefit

Brands

• Harwig Engineering: Specialized division focused on climate and electrotechnical engineering for datacenters with highest availability requirements, active in Netherlands, Germany, Belgium and Portugal

Products and services

• Installatietechniek (HVAC & Mechanical Engineering) Full mechanical and climate engineering services covering HVAC (heating, ventilation, air conditioning), sanitary installations, sustainable techniques, and building management systems. Harwig designs, installs, and maintains these systems for comfort, safety, and energy efficiency in buildings across healthcare, education, government, industry, and residential sectors.
• Elektrotechniek (Electrical Engineering) Electrical infrastructure services including power supply, distribution systems, lighting, EV charging stations, PV/solar systems, domotica (home automation), and data networks. Harwig designs, installs, and maintains electrical systems ensuring continuity, ease of use, and flexibility in every building.
• Beveiligingstechniek (Security Technology) Certified security solutions covering intrusion detection, fire detection and evacuation systems, access control, and CCTV surveillance. Systems are installed by qualified professionals and certified up to BORG security class 4 — the highest class required by insurers, defence, and governments.
• Harwig Engineering (Data Center Specialist Services) Specialist technical services division focused exclusively on climate and electrical engineering in data centers. Harwig Engineering delivers projects with the highest availability requirements in the Netherlands, Germany, Belgium, and Portugal. Services include mechanical and electrical engineering, ELV solutions, MEP services, cable containment, and security systems for high-availability data center environments serving prominent global companies.
• Beheer en Onderhoud (Service & Maintenance)

Quantifiable outcome

• 144 identical care apartments fully installed in 7 days using plug-and-play mock-up and kitting method
• +3 more outcomes

Named customers14 records

Segments6 records

Ideal customer profiles5 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

17 partnerships are on record, tiered minor and core.

• NTP GroepminorStrategic or Co-development PartnerConstruction consortium partner in the Milieupark Assen project. NTP Groep collaborated with BW Expertise and Harwig to deliver a sustainable circular materials park for the Municipality of Assen.
• BW ExpertiseminorStrategic or Co-development PartnerPartner in the Milieupark Assen circular materials park project for the Municipality of Assen. Combined knowledge and craftsmanship with NTP Groep and Harwig.
• Buursema BouwcoreStrategic or Co-development PartnerLead building contractor for the Neptunesbad Klazienaveen swimming pool project. Local partnership with Harwig and Van Dorp for delivering the new sustainable swimming pool for Municipality of Emmen.
• Van Dorp (Werktuigbouw en Zwembadtechniek)coreStrategic or Co-development PartnerMechanical engineering and swimming pool technology partner in the Neptunesbad Klazienaveen project, working alongside Buursema Bouw and Harwig for the Municipality of Emmen.
• Buursema (Bouwkundig Aannemer)coreStrategic or Co-development PartnerBuilding contractor in the ICU renovation at Treant Scheper Hospital. Worked in close collaboration with Harwig, De Groot Installatiegroep, Interieur ID, and IAA Architecten.
• De Groot InstallatiegroepcoreStrategic or Co-development PartnerInstallation partner collaborating with Harwig and other parties on the ICU renovation at Treant Scheper Hospital, Emmen.
• IAA ArchitectencoreStrategic or Co-development PartnerArchitecture firm leading the design of the new ICU at Treant Scheper Hospital, with close collaboration with Harwig and the hospital's user community.
• TOEK IngenieurscoreTechnology or IntegrationEngineering consultancy whose designs formed the basis for the complete renovation of Waterschap Vechtstromen's headquarters in Hardenberg, including HVAC, electrical, and monitoring systems.
• ARAS SystemscoreTechnology or IntegrationDistributor partner for AJAX Systems security solutions used in the hybrid intrusion detection system installed at Vechtdal College Hardenberg.
• AJAX SystemscoreTechnology or IntegrationSecurity technology manufacturer whose hybrid wireless alarm system was selected for the Vechtdal College, with approximately 200 components communicating with substations.
• HertekcoreTechnology or IntegrationFire safety technology provider whose solutions were used in the complete replacement of fire detection (BMI) and evacuation alarm (OAI) systems at Theater De Tamboer in Hoogeveen.
• AscomcoreTechnology or IntegrationTechnology partner supplying healthcare communication and nurse call systems for the UMCG intensive care renovation project, working with Harwig and Siemens.
• SiemenscoreTechnology or IntegrationTechnology partner for healthcare installation systems at UMCG, collaborating with Harwig and Ascom on ICU installations including access control and monitoring.
• WAGOcoreTechnology or IntegrationIndustrial connection technology partner for the Anna Schotanus project. Pre-assembled kitting crates per apartment were ordered through WAGO, enabling rapid plug-and-play installation across 144 units.
• TSH vakopleidingencoreStrategic or Co-development PartnerVocational training partner where the mock-up installation was built, giving students and Harwig's own installers the opportunity to discover plug-and-play installation techniques. Partnership addressing technical sector labor shortages.
• Drenthe CollegeminorStrategic or Co-development PartnerLong-term maintenance client and educational partner. Drenthe College students in their third year of Electrotechniek are invited to assist with troubleshooting as part of the Pieperdienst project, combining education and industry.
• Draka/PrysmianminorGTM or Marketing PartnerCable and connectivity manufacturer who hosted the Harwig team at their headquarters and R&D center in Milan before the Stelvio cycling challenge, as part of a supplier-partner team building event.

Scale indicators5 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Kuijpers: Dutch multidisciplinary technical installer of similar size (mid-hundreds of employees) providing HVAC, electrical, and building services to institutional and industrial clients. Highly comparable in scope, regional Dutch focus, and multidisciplinary in-house delivery model.
• HOMIJ: Dutch technical installer specializing in electrical and mechanical installations for buildings and infrastructure, including data centers. Comparable scope across MEP and security, and similar multidisciplinary in-house delivery model.
• De Groot Installatiegroep: Northern Netherlands-based installation partner collaborating with Harwig on the Treant ICU project. Comparable in regional positioning, multi-trade capability (HVAC, electrical, security), and institutional client base in healthcare and government.
• Van Dorp: Dutch technical installer covering installation technology, electro, and security solutions — explicitly referenced as a project partner of Harwig on the Neptunesbad Klazienaveen project. Directly comparable in multidisciplinary MEP/security offering and regional Dutch footprint.

Broad incumbents

• SPIE Nederland: Dutch arm of European technical services group SPIE, offering multi-technical building installations (electrical, HVAC, security) to commercial, industrial, and public-sector clients. Comparable in service mix with substantially larger footprint.
• Unica: One of the largest Dutch technical service providers with multi-disciplinary HVAC, electrical, security, and building automation offerings across the Netherlands. Overlaps with Harwig across every service pillar but operates at significantly larger scale and broader geographic reach.
• Croonwolter&dros: Major Dutch technical installer (part of TBI Holdings) with national coverage in building installations, electrical engineering, and security. Competes for the same institutional and government tenders but with much greater capacity and resources.
• ENGIE Services Nederland: Subsidiary of global energy services group ENGIE, providing technical building installations, HVAC, and multi-technical facility services across the Netherlands. Directly competes for institutional energy/retrofit contracts at national scale.

Emerging players

• Nedap: Dutch technology company with a security cluster providing access control, intrusion detection, and video surveillance solutions. Comparable through Harwig's Beveiligingstechniek unit where Nedap-manufactured security systems are often installed.
• Vertiv: Global specialist in critical digital infrastructure — power, cooling, and IT systems for data centers. Comparable through Harwig Engineering's high-availability data-center specialization; Vertiv is a global OEM/incumbent vs Harwig's regional MEP execution role.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xx.com/HARWIGBV
• Facebookfacebook.com/harwiginstallatietechniek
• LinkedInlinkedin.com/company/harwig-installatietechniek

Compliance7 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries3 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 Harwig Installatietechniek