What Pranger-Rosier Installaties does

Pranger-Rosier Installaties BV is a Northern Netherlands-based technical installation and maintenance company headquartered in Dokkum, founded in 1967 and operating through three locations (Dokkum, Leeuwarden, and Sneek via the Otte Installaties brand) with 275 employees. The company delivers integrated building technology services across electrical engineering (Elektrotechniek), mechanical engineering (Werktuigbouwkunde), indoor climate (Binnenklimaat), security and fire safety (Beveiliging), building management (Gebouwbeheer), and 24/7 emergency response (Storingsdienst), serving enterprise clients in healthcare, education, government, sports, heritage, and industry as well as residential customers. Its proprietary platform is GACS (Gebouwautomatiserings- en Controlesysteem), a building automation and control system that continuously monitors and adjusts heating, cooling, ventilation, lighting, blinds, charging stations, and storage, increasingly augmented by AI-supported anomaly detection and predictive maintenance that creates automated technician work orders.

The company monetizes through a mix of one-time installation project work (design, realization, and commissioning), recurring maintenance and technical management contracts, and tiered residential service subscriptions (Brons, Zilver, Goud, Platina at €4-€18/month). Distribution is field-sales led with offices anchoring regional coverage and direct outreach to enterprise buyers, complemented by digital channels (website, LinkedIn, Facebook) and content marketing on sustainability and AI topics. Since May 2021, Pranger-Rosier has operated as a wholly-owned subsidiary of Unica Groep, providing access to specialized expertise across Unica's nine-company-cluster, 40+ location, 4,300+ employee national footprint while retaining its regional brand and customer relationships. Notable flagship projects include the Cambuurstadion (Kooi Stadion) in Leeuwarden, Zwemcentrum De Welle in Drachten, Brede School Hanzewijk in Kampen (95% circular, 80% biobased), and the Werelderfgoedcentrum Waddenzee in Lauwersoog; the company holds ISO 9001, ISO 14001, BRL 6000 and 6000-25/CO, SCIOS, VCA**, BORG, BMI 2011, F-GASSEN, Safety Ladder Level 3, KENTEQ, and PSO Level 2 certifications.

Name

Pranger-Rosier Installaties

Legal name

Pranger-Rosier Installaties BV

Website

https://pranger-rosier.nl

Company type

Private

Founded year

1967

Operating status

Operating

Headcount range

251–500 employees

Short description

Pranger-Rosier Installaties is a Northern Netherlands technical installation and maintenance company with 275 employees across three locations (Dokkum, Leeuwarden, Sneek), delivering electrical, mechanical, security, and building automation services to enterprise and residential customers as a subsidiary of Unica Groep.

Ownership category

akta.pro rank

Product category

Building Installation and Technical Services

NAICS

Plumbing, Heating, and Air-Conditioning Contractors (23822), Plumbing, Heating, and Air-Conditioning Contractors (238220)

SIC

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

akta.pro primary industry

Fire Protection Systems Contracting (Sprinklers, Alarms, Suppression) (IMAFALAD)

Keywords

• Building installation services
• HVAC and climate control
• Electrical engineering services
• Building automation systems
• Technical maintenance contracts

Headquarters

HQ city

Dokkum

HQ country

Netherlands

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B and B2C

Offering type

Services

Cost components

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

Revenue model

1. Installation Services: Design, realization, inspection, and maintenance of electrical and mechanical (W-installaties) building installations for new construction and renovation projects
2. Maintenance and Technical Management: Contracted maintenance services including on-demand maintenance, maintenance contracts, and full technical management of building installations
3. Service Subscriptions: Tiered service subscription packages (Brons, Zilver, Goud, Platina) for private customers covering maintenance and emergency repairs of heating systems
4. 24/7 Emergency Service: Round-the-clock emergency service for technical breakdowns with various contract forms and service levels

Pricing tiers

Go-to-market motion2 records

Distribution channels4 records

Marketing channels5 records

Core offering

Pranger-Rosier Installaties is a technical installation and maintenance company that designs, realizes, inspects, manages, maintains and operates electrical, mechanical (HVAC), indoor climate, fire/security and building automation systems for utility, industrial, healthcare, education, government, sports and residential customers across Northern Netherlands. The company delivers full-lifecycle technical services — from consultancy and engineering through new construction, renovation, 24/7 emergency response and long-term maintenance contracts — backed by its proprietary GACS building automation platform and Unica Group scale.

Product overview

Pranger-Rosier Installaties is an allround technical service provider offering integrated installation services from design through commissioning, management, maintenance and operation across all technical disciplines. The company operates a platform-plus-services model centered on indoor climate control, electrical and mechanical engineering, building security and fire safety systems, and technical building management. Services are delivered through multiple service tiers (maintenance contracts, service subscriptions) and market segments (utilities, healthcare, education, government, industry, residential). Core offerings include GACS building automation systems, 24/7 emergency response, and sustainable technology solutions including heat pumps and solar installations.

Differentiator

Problem solved

Functional benefit

Products and services

• Elektrotechniek (Electrical Engineering)

Quantifiable outcome

• 95% circular construction achieved at Brede School Hanzewijk
• +3 more outcomes

Named customers10 records

Segments6 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

AI capability6 records

Feature4 records

Partnerships

One partnership is on record.

• Unica GroepcoreStrategic or Co-development Partner · 1 May 2021Pranger-Rosier is Part of Unica since May 2021 when families Pranger and Rosier sold their shares in Pranger-Rosier Holding. Unica is a leading technical service provider with nine company clusters, 40 locations and 4,300+ employees. Through this partnership, Pranger-Rosier gains access to specialized expertise and greater capacity while maintaining its regional identity.

Scale indicators5 records

Recent moves7 records

Expansion highlights6 records

Direct peers

• Van Dorp Installaties: Large Dutch multi-disciplinary installation firm offering HVAC, electrical, plumbing, and building services across commercial and residential markets. Closely comparable in integrated service delivery, regional-to-national footprint, and customer mix.
• HOMIJ Technische Installaties: Dutch technical installer specializing in HVAC, electrical, and building automation for commercial and institutional buildings. Directly comparable in building services portfolio, with focus on sustainable installations and service contracts.
• Kropman Installatietechniek: Dutch technical installation company serving utility, healthcare, education, and industrial clients with HVAC, electrical, and building services. Comparable in multi-disciplinary service model, certification portfolio, and recurring maintenance contracts.
• Hollander Techniek: Eastern Netherlands-based technical installer offering electrical, mechanical, and automation services. Comparable regional scope, similar institutional and industrial customer base, and similar sustainability/building automation positioning.
• Wolter & Dros: Dutch technical installer (now part of Croonwolter&dros) with strong focus on HVAC, electrical, and building automation for residential and commercial markets. Comparable service portfolio, B2C maintenance subscriptions, and Dutch regional delivery model.
• Breijer Bouw en Installatie: Dutch installation and maintenance provider offering HVAC, plumbing, electrical, and security services to commercial and residential customers. Comparable in service breadth, subscription/contract offerings, and Dutch market focus.

Broad incumbents

• Unica Groep: Pranger-Rosier's parent company and one of the largest technical service providers in the Netherlands, offering integrated solutions across HVAC, electrical, security, and building automation. Directly comparable in service portfolio and customer base, with national scale that Pranger-Rosier leverages as a regional cluster.
• SPIE Nederland: Dutch subsidiary of SPIE Group, offering technical services in HVAC, electrical, security, and energy efficiency. Directly comparable scope and customer segments (utilities, healthcare, education, government) with national coverage.
• Equans Nederland: Part of the global Equans/Bouygues group, providing technical installations, HVAC, and energy services across the Netherlands. Comparable in multi-disciplinary installation and maintenance capability, serving similar institutional and industrial customers with larger scale.
• Croonwolter&dros: Major Dutch technical installation and infrastructure services provider offering HVAC, electrical, automation, and building services. Comparable as a full-service installer serving commercial, industrial, and institutional clients, with a broader national footprint than Pranger-Rosier.

Market position

Weaknesses5 records

Competitive moat6 records

Key risks1 record

Key highlights7 records

Customer concentration

• Facebookfacebook.com/prangerrosier
• LinkedInlinkedin.com/company/pranger-rosier-installaties-bv
• Xx.com/prangerrosier

Compliance12 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Subsidiaries1 record

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 Pranger-Rosier Installaties