What Rendon onderhoudsgroep does

Rendon onderhoudsgroep is a Dutch building maintenance, renovation, and property management firm founded in 1943 and operating as a private limited company under the OMDUS Groep holding. The business is structured across two legal entities — Rendon Arkel BV in Dordrecht and Rendon Voorburg BV in Delft — and runs six integrated service lines: Vastgoedonderhoud (property maintenance), Verduurzaming (sustainability retrofits), Gevelrenovatie (facade renovation), Betonherstel (concrete repair), Transformatie (building transformation), and Brandveiligheid (fire safety). Rendon serves housing corporations, VvE (homeowners) associations, institutional investors, government bodies, and educational institutions across at least 14 Dutch cities, and has been part of the Bouwers van morgen collective of five regional maintenance firms (Ervas, Meerbouw, Raevast, Rendon, Roza) since 14 February 2025, with a shared operational office in Delft since 10 June 2025.

The company's technical core combines in-house execution across all six disciplines with proprietary systems such as RendonFix facade anchors and the R-Brace bracing system for concrete renovation. It holds ISO 9001, BRL 3201-2, KOMO, VCA, and CO2 Performance Ladder Level 3 certifications, is ranked among the top 25 certified concrete repair companies in the Netherlands for 80 years, and won first prize in the 2023 VBR Betonreparatiespecialist verkiezing. Documented sustainability outcomes include a 58% CO2 reduction per million euros of turnover (exceeding 2025 and 2027 targets), 1,800 tons of CO2 avoided for housing-corporation clients over 25 years, 53% of the fleet electrified by end-2025, and resident energy costs cut from 15 to 2 euros per day in the Woonforte Alphen aan den Rijn retrofit.

Rendon's revenue model is a blend of project-based construction and maintenance contracts and multi-year recurring service agreements, exemplified by the long-term European Patent Office contract for 85,000 m2 of commercial real estate in Rijswijk since 2010 and the 6,200-home Maasdelta Groep sustainability program. Major customers include Staedion, Woonforte, Wooninvest, Urban Interest, ASR Real Estate, KIVI, ROC Mondriaan, Dunea, Politie Noord-Holland, and the European Patent Office. Go-to-market is direct enterprise field sales targeting institutional clients, supplemented by referrals and joint marketing through the Bouwers van morgen partner network. Pricing is custom per project and is not publicly disclosed.

Name

Rendon onderhoudsgroep

Legal name

Rendon

Website

https://rendon.nl

Company type

Private

Founded year

1943

Operating status

Operating

Headcount range

51–100 employees

Short description

Rendon onderhoudsgroep is a Dutch building maintenance, renovation, and sustainability firm delivering property maintenance, facade renovation, concrete repair, transformation, and fire safety services to housing corporations, VvEs, government, and institutional clients across the Netherlands.

Ownership category

akta.pro rank

Product category

Building Maintenance and Renovation Services

SIC

General Bldg Contractors - Residential Bldgs (1520), General Bldg Contractors - Nonresidential Bldgs (1540), Construction - Special Trade Contractors (1700)

akta.pro primary industry

Renovation, Remodeling & Tenant Improvements (General Contracting) (IMAFAAAE)

akta.pro secondary industries

Repair, Refurbishment & Remanufacturing Services (EUAIANAB), General Punch-List & Move-In/Move-Out Repairs (HSAGAAAO)

Keywords

• Property maintenance services
• Building renovation contractors
• Concrete repair specialists
• Facade renovation services
• Building sustainability upgrades

Headquarters

HQ city

Haarlem

HQ country

Netherlands

HQ region

Europe

Offices3 records

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Project-based construction and maintenance services: One-time project contracts for specific renovation, maintenance, and construction work. Revenue generated through direct service delivery to clients for property maintenance, concrete repairs, facade work, sustainability retrofits, and transformation projects.
2. Long-term maintenance contracts: Ongoing service and maintenance agreements with clients such as European Patent Office (EPO), with multi-year contract terms and continuous service delivery.

Pricing tiers

Go-to-market motion1 record

Distribution channels1 record

Marketing channels3 records

Core offering

Rendon onderhoudsgroep delivers integrated property maintenance, renovation, and sustainability services for residential and commercial real estate in the Netherlands. The company operates six core service lines: Vastgoedonderhoud (day-to-day and planned maintenance), Verduurzaming (energy and sustainability upgrades), Gevelrenovatie (facade renovation), Betonherstel (concrete repair), Transformatie (building repurposing), and Brandveiligheid (fire safety). Services are delivered through Rendon's own in-house teams of skilled craftspeople serving housing corporations, VvEs, government, education, and institutional investors.

Product overview

Rendon onderhoudsgroep is a property maintenance and renovation company operating as part of the Bouwers van morgen collective. The company offers an integrated portfolio of six core service lines: Vastgoedonderhoud (real estate maintenance), Verduurzaming (energy sustainability upgrades), Gevelrenovatie (facade renovation), Betonherstel (concrete repair), Transformatie (building transformation/repurposing), and Brandveiligheid (fire safety). These services are delivered through multiple operational locations in Delft and Dordrecht, serving housing corporations, educational institutions, government entities, VvE managers, healthcare organizations, and institutional investors. Services are often combined in multi-discipline projects, for example pairing facade renovation with concrete repair and painting, or energy upgrades with fire safety improvements.

Differentiator

Problem solved

Functional benefit

Products and services

• Vastgoedonderhoud (Property Maintenance)
• Verduurzaming (Sustainability Upgrades)
• Gevelrenovatie (Facade Renovation)
• Betonherstel (Concrete Repair)
• Transformatie (Building Transformation)
• Brandveiligheid (Fire Safety)

Quantifiable outcome

• 58% CO2 reduction per million euros turnover, exceeding 2025 (28%) and 2027 (42%) targets
• +4 more outcomes

Named customers16 records

Segments5 records

Ideal customer profiles4 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature2 records

Partnerships

Four partnerships are on record, tiered core.

• Bouwers van morgencoreStrategic or Co-development Partner · 14 February 2024Strategic partnership with Ervas, Meerbouw, Raevast, Rendon, and Roza under the Bouwers van morgen collective. Nearly 400 skilled professionals combining expertise in maintenance, renovation, sustainability, transformation, and specialized restoration and concrete repair. Enables large-scale sustainability projects in Southwest Netherlands.
• Partner in Verduurzamen (PiV)coreStrategic or Co-development PartnerNational partnership of four partners including Rendon, helping VvE's (homeowners associations) in the Netherlands with complete building sustainability from A to Z, delivered as one team of involved advisors, process facilitators, and construction partners.
• Maasdelta GroepcoreStrategic or Co-development PartnerLong-term partnership for sustainability upgrades of 6,200 homes managed by Maasdelta Groep. Working step by step with three chain partners on energy-efficient improvements including HR++ glazing and CO2-controlled ventilation systems.
• OMDUS GroepcoreOthersParent company of Rendon and other regional maintenance companies. Located at Bemmelseweg 73, 6662 PE Elst. OMDUS is responsible for processing of personal data and represents the 'Bouwers van morgen' partners.

Scale indicators9 records

Recent moves8 records

Expansion highlights6 records

Direct peers

• Van Wijnen: Dutch construction and development group with significant renovation, maintenance, and sustainability operations. Regional player overlapping directly with Rendon on multi-discipline housing corporation projects.
• Trebbe: Mid-sized Dutch construction company with strong residential renovation, maintenance, and transformation operations. Closely comparable regional profile to Rendon and competes for similar housing corporation and VvE contracts.
• Janssen de Jong Groep: Family-owned Dutch construction group with renovation, maintenance, and transformation activities. Comparable customer profile and project types, with similar regional Dutch market focus.
• Hegeman Bouwgroep: Dutch construction company focused on renovation, maintenance, and transformation of existing real estate. Closely comparable to Rendon on integrated maintenance and sustainability retrofits for housing corporations and VvE's.

Broad incumbents

• Heijmans: Large Dutch construction and real estate development company with substantial residential renovation, maintenance, and sustainability operations. Significantly larger than Rendon and offers a broader portfolio, but overlaps directly on Vastgoedonderhoud and Verduurzaming services for housing corporations.
• BAM Group: Major Dutch/British construction services group with property maintenance and renovation divisions. Overlaps with Rendon on large-scale M&O, sustainability, and transformation projects for institutional clients.
• Ballast Nedam: Dutch construction and development company with renovation and maintenance activities in residential and commercial real estate. Comparable customer base including housing corporations and institutional investors.
• Dura Vermeer: Major Dutch construction and infrastructure firm with significant residential renovation, maintenance, and transformation activity. Competes with Rendon for housing corporation and institutional property maintenance tenders, with broader geographic and service scope.
• VolkerWessels: Large Dutch construction group with extensive maintenance and renovation operations across residential and commercial property. Competes for nationwide M&O and sustainability contracts of the same type as Rendon's housing corporation work.

Regional players

• Hollandia Structures: Dutch construction and structural services firm with renovation and concrete repair capabilities. Tangentially comparable to Rendon on concrete repair and structural renovation scope, though more focused on larger structural steel and concrete projects.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights7 records

Customer concentration

• LinkedInlinkedin.com/company/rendon-onderhoudsgroep
• Xx.com/RendonGroep
• Facebookfacebook.com/rendonvastgoedonderhoud

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles11 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 Rendon onderhoudsgroep