What Koninklijke Damstra Installatietechniek does

Koninklijke Damstra Installatietechniek is a Dutch family-owned multi-disciplinary installation company founded in 1910, headquartered in Driezum, Friesland. The company delivers electrical (elektrotechniek), mechanical (werktuigkundig), and sustainable technology (duurzame techniek) services — spanning solar panels with SolarEdge optimizer-based PV systems, hybrid and all-electric heat pumps sourced from air, ground, or groundwater, EV charging stations with dynamic load balancing, residential and commercial battery energy storage, LED lighting, climate control, ventilation, pool technology, building automation (domotica), and central heating. Damstra operates through three branded divisions: core Installation Technology (E + W), Damstra Duurzaam (sustainable solutions), and Damstra Service & Onderhoud (maintenance with 24/7 emergency response), supported by an in-house transport and logistics arm and a digital customer portal for remote management.

The company serves two primary segments: a Business/Commercial (Zakelijk) segment — including healthcare, hospitality, agriculture, manufacturing, sports, municipal, and logistics clients — and a Residential (Particulier) segment of private homeowners. Commercial projects are won through competitive tendering and direct project-based sales with calculators and project leaders, while residential sustainable technology is sold via in-home advisory consultations producing personalized quotes (e.g., EV chargers priced at €1,500–€2,500 fully installed). Revenue is generated through one-time installation projects supplemented by recurring annual service and maintenance subscriptions.

Damstra has expanded from 12 to over 300 employees over roughly 36 years, growing both organically and through acquisitions (T. Stol BV, Faber Wijnberg on Ameland, Sikma Installatie Sneek from January 2024, and Dekker Struik Installatietechniek in Groningen/Assen). It now operates from at least eight locations across Friesland, Groningen, Drenthe, and the Wadden Islands, holds VCA certification since 1999, and is pursuing ISO 14001 environmental certification across all sites. Customers include Tolsma-Grisnich, Novatec Leek, Gemeente Westerkwartier, A.P. van den Berg, WestCord Hotels, Probo Dokkum, Medisch Centrum De Sionsberg, Hellema Hallum, Miedema Bouwmaterialen, NTS Norma Drachten, and Leonardo Yachts, with general contractor partners Bouwgroep Dijkstra Draisma and Groothuis Bouwgroep as recurring channels into large commercial work.

Name

Koninklijke Damstra Installatietechniek

Legal name

Koninklijke Damstra Installatietechniek

Website

https://damstra.nl

Company type

Private

Founded year

1910

Operating status

Operating

Headcount range

51–100 employees

Short description

Koninklijke Damstra Installatietechniek is a Dutch family-owned installation contractor founded in 1910, delivering electrical, mechanical, and sustainable technology services — including solar, heat pumps, EV charging, and battery storage — for commercial and residential clients across the northern Netherlands, with 300+ employees.

Ownership category

akta.pro rank

Product category

Building Installation Services (Electrical, Mechanical, and Sustainable Energy)

NAICS

Electrical Contractors and Other Wiring Installation Contractors (23821)

SIC

Air-Cond & Warm Air Heatg Equip & Comm & Indl Refrig Equip (3585)

akta.pro primary industry

Structural & Mechanical BOP Construction (Racking/Trackers, Turbine Erection Support, Mounting Structures) (EUAMAFAC)

akta.pro secondary industry

SCADA, Controls & Communications Integration (RTU, Fiber, Networking) (EUAEADAD)

Keywords

• Installation technology services
• Electrical contracting
• Solar panel installation
• Heat pump systems
• Building maintenance services

Headquarters

HQ city

Driezum

HQ country

Netherlands

HQ region

Europe

Offices8 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Installation Projects (E & W): Damstra generates revenue through full electrical and mechanical installation projects for commercial clients (utiliteitsbouw) and residential new-build and renovation. Projects include solar panel arrays, heat pump systems, full E and W installations for office buildings, production facilities, healthcare facilities, sports centers, hotels, and schools. Revenue is project-based, typically won through tendering or direct commercial sales.
2. Service and Maintenance Contracts: Damstra offers annual maintenance subscriptions (service en onderhoud abonnement) for both residential and commercial clients, including 24/7 emergency call-out service (0800 3234 234). Contracts cover regular inspection, preventive maintenance, and emergency repairs for heating, cooling, and electrical systems.
3. Residential Sustainable Technology Sales and Installation: Direct-to-consumer sales and installation of solar panels, heat pumps, EV charging stations, and home batteries for private homeowners. Revenue is earned per installation, with pricing typically between €1,500 and €2,500 for charging stations; solar panel and heat pump pricing is provided via personalized quotes.
4. Damstra Transport & Logistiek: Damstra operates an in-house logistics and transport division (Damstra Transport & Logistiek) that delivers installation materials and equipment to project sites. This includes delivery of solar panels, containers, and building materials to construction sites across the region.

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels9 records

Core offering

Koninklijke Damstra Installatietechniek is a multi-disciplinary installation company providing electrical (elektrotechniek), mechanical (werktuigkundig), and sustainable technology installations for commercial and residential customers across the northern Netherlands. Core services include solar panel systems, heat pumps, EV charging stations, home batteries, electrical engineering, climate control, pool technology, building automation, and full-service maintenance with 24/7 emergency support.

Product overview

Koninklijke Damstra Installatietechniek is a multi-disciplinary installation company founded in 1910, offering a comprehensive portfolio of durable technology and installation services. The company operates through distinct divisions: Damstra Duurzaam (sustainable energy solutions) providing solar panels, heat pumps, EV charging stations, and home batteries; Damstra Service & Onderhoud (maintenance and service) with remote management capabilities; and core Installation Technology services covering electrical engineering, climate control, pool technology, and building automation. The company has expanded through acquisitions including Sikma Installatie (Sneek), Faber Wijnberg (Ameland), and Dekker Struik (Groningen/Assen), and offers both residential and commercial solutions across Friesland, Groningen, and surrounding provinces.

Differentiator

Problem solved

Functional benefit

Products and services

• Solar Panel Installation (Zonnepanelen) Installation of solar panel systems for residential and commercial properties, including monocrystalline, polycrystalline, and thin-film panel options with optional power optimizers that individually optimize each panel to maximize energy output and mitigate shading effects.
• Heat Pump Systems (Warmtepompen) Installation of hybrid and all-electric heat pump systems that source energy from air, ground, or groundwater for residential and commercial heating and cooling. Hybrid heat pumps extend existing CV systems and can save up to 70% on gas consumption; all-electric options eliminate natural gas dependency.
• EV Charging Stations (Laadpalen) Installation of electric vehicle charging stations for homes and businesses, including wall-mounted and pedestal options with Dynamic Load Balancing that regulates current to prevent overloading of the energy network. Full installation package between €1,500 and €2,500.
• Home Battery Storage (Thuisbatterij) Residential battery energy storage systems to store solar energy for later use, increasing self-consumption and energy independence for homeowners.
• Solar Carport Solar carport structures that combine vehicle shelter with integrated solar panel systems for commercial energy generation.
• Commercial Battery Energy Storage System Large-scale commercial battery storage solutions for businesses to optimize energy usage and grid independence.
• LED Lighting (LED Verlichting) LED lighting installation services for commercial properties to improve energy efficiency.
• Electrical Engineering (Elektrotechniek) Electrical engineering services for commercial properties including installations, 230V/400V systems, cable management, and grounding systems.
• Climate Control (Klimaatbeheersing)

Quantifiable outcome

• Hybrid heat pumps can save up to 70% on annual gas consumption
• +3 more outcomes

Named customers14 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Seven partnerships are on record, tiered core and minor.

• Sikma Installatie SneekcoreStrategic or Co-development Partner · 1 January 2024Sikma Installatie, based in Sneek (Edisonstraat 15, 8606 JH), became part of Koninklijke Damstra Installatiegroep effective January 1, 2024. The company also includes Baderie Sikma Sneek (bathroom installations). The acquisition strengthened Damstra's presence in the Sneek area. Ronald Spoelman became vestigingsleider (branch manager) of Sikma Installatie Sneek effective January 1, 2026.
• Dekker Struik InstallatietechniekcoreStrategic or Co-development PartnerDekker Struik Installatietechniek was acquired by Koninklijke Damstra Installatiegroep. The company operates offices in Groningen (Olgerweg 17a, 9723 EA) and Assen (Afrikaweg 33C, 9407 TL). The acquisition expanded Damstra's presence in the province of Drenthe.
• T. Stol BVcoreStrategic or Co-development PartnerT. Stol BV was acquired by Koninklijke Damstra Installatiegroep as part of its expansion strategy in the northern Netherlands.
• Bouwgroep Dijkstra DraismacoreStrategic or Co-development PartnerBouwgroep Dijkstra Draisma is the main general contractor (aannemer) partner with whom Damstra collaborates on new construction projects. Damstra serves as the specialist E and W installer on Bouwgroep Dijkstra Draisma projects including Novatec Leek/Gemeente Westerkwartier (new building, 2024-2025) and various other projects. The collaboration involves working together in 'bouwteams' (construction teams) from the design phase through execution.
• Groothuis BouwgroepcoreStrategic or Co-development PartnerDamstra was engaged by Groothuis Bouwgroep as the specialist installer for the complete electrical and mechanical installation of Tolsma-Grisnich's new commercial building in Emmeloord (16,000 m² production space + 2,500 m² office).
• Blessed GenerationminorOthersDamstra Installatiegroep contributes to a better future with Blessed Generation, a charitable/social initiative. This is a community/social partnership involving construction work for a charitable cause.
• KiKa (Kinderen Kanker Baart)minorOthersDamstra participates in fundraising activities for KiKa, including the Stelvio di KiKa 2026 cycling challenge and the Brandweer oefencarrousel (fire service training carousel) which raised €10,500 for KiKa.

Scale indicators6 records

Recent moves9 records

Expansion highlights6 records

Broad incumbents

• Unica: One of the largest Dutch technical services companies with national coverage in installation, maintenance, and energy solutions. Overlaps with Damstra across all service lines but operates at substantially larger scale across multiple segments.
• Heijmans: Dutch-listed construction and infrastructure company with technical installation capabilities (Heijmans Bouw & Techniek). Comparable in installation services but operates as a much larger publicly-listed group with diversified construction activities.
• SPIE Nederland: European technical services provider with significant Dutch operations delivering installation, maintenance, and energy transition services to commercial and industrial clients. Comparable to Damstra's multi-disciplinary offering but at substantially larger scale.
• ENGIE Services Nederland: Large Dutch energy and multi-technical services provider offering installation, maintenance, and energy solutions including heat pumps, solar, and EV charging. Comparable to Damstra's sustainable technology portfolio but at much greater scale as part of a global energy major.
• Croonwolter&dros: Major Dutch technical installation and maintenance company (part of Equans) serving infrastructure, healthcare, industry, and commercial real estate. Comparable in service offering but operates at significantly larger national scale with broader capabilities.

Direct peers

• Van Dorp Installateurs: Dutch multi-disciplinary installation company providing electrical, mechanical (W), HVAC, and sustainable technology services across multiple regional branches. Closely comparable to Damstra in service portfolio breadth, family-business origins, and regional roll-up strategy.
• Homij: Technical installation company (part of TBI Group) providing electrical, mechanical, and building services for commercial and institutional clients. Comparable to Damstra's commercial zakelijk segment and multi-disciplinary E&W project execution.
• Breman Installatiegroep: Dutch installation group operating through multiple regional brands delivering W, E, and sustainable technology services. Comparable to Damstra in its multi-brand regional structure, multi-disciplinary offering, and consolidation strategy across the Netherlands.
• Feenstra: Dutch residential-focused installation company specializing in heating, ventilation, and sustainable home energy solutions (heat pumps, solar, insulation). Directly comparable to Damstra Duurzaam's residential particuliere offering and service subscription model.
• Van den Pol Installatietechniek: Regional Dutch installation company offering electrical, mechanical, and control technology services for commercial and residential markets. Comparable to Damstra's mid-sized regional multi-disciplinary positioning and project/service mix.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights8 records

Customer concentration

• Facebookfacebook.com/koninklijkedamstra
• Instagraminstagram.com/damstra
• LinkedInlinkedin.com/company/koninklijke-damstra-installatiegroep
• Xx.com/DamstraDriezum

Compliance4 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles10 records

Subsidiaries6 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 Koninklijke Damstra Installatietechniek