Vkg Keurmerk

What Vkg Keurmerk does

VKG Keurmerk, formally Vereniging Kunststof Gevelelementen, is a Dutch trade association (branchevereniging) headquartered in Nieuwegein that operates the dominant quality certification mark for plastic (PVC) window frames, doors, and façade elements in the Netherlands. The organization certifies a network of manufacturers, suppliers, and installers against published VKG quality requirements, supported by periodic independent inspections and a 10-year warranty backed by the VKG Waarborgfonds (guarantee fund) that protects consumer deposits even if a certified supplier ceases operations. Its product surface spans the VKG Keurmerk certification mark itself, the VKG Recyclesysteem (which processes approximately 75% of used Dutch plastic window frames into PVC granules, with a stated goal of 100% coverage), the guarantee fund, a 2-day Montagecursus installer training program, a Cursus Technisch Onderhoud course for housing-association specialists, and the annual VKG Architectuurprijs architecture prize. The underlying technical proposition emphasizes U-values below 1.5 W/m²K, 50–75 year product lifespans, up to 10x recyclability, and up to 52% total-cost-of-ownership savings over 75 years versus wood or aluminum frames per independent IGG Bouweconomie research.

VKG Keurmerk does not sell products directly; revenue is generated through three streams: recurring membership fees from certified companies, certification/licensing fees that grant members the right to issue VKG guarantee certificates to end customers, and professional-services revenue from mounting and maintenance training courses. The go-to-market is a channel-partner model: certified manufacturers (e.g., GevelNed with Schüco profiles), suppliers, and installers carry the mark to end customers, while the vkgkeurmerk.nl website functions as a supplier-finder directory and content-marketing hub covering subsidies, insulation, styles, and maintenance. Customer segments include Dutch individual homeowners, professional construction firms and architects, VvE homeowner associations, and municipal/educational clients — with no concentration on a small number of enterprise accounts. Governance is by a board (bestuur), with leadership currently held by directeur Albert Zegelaar (retiring February 2026) and directeur Arjen Veltman, alongside branch manager Edwin van Houten.

Name

Vkg Keurmerk

Legal name

Vereniging Kunststof Gevelelementen

Website

https://vkgkeurmerk.nl

Company type

Private

Founded year

1990

Operating status

Operating

Headcount range

1–10 employees

Short description

VKG Keurmerk is a Dutch trade association headquartered in Nieuwegein that operates the dominant quality certification mark for plastic window frames, doors, and façade elements in the Netherlands. It certifies a network of manufacturers, suppliers, and installers, backed by independent inspections and a consumer guarantee fund.

Ownership category

akta.pro rank

Product category

Construction product certification

NAICS

Testing Laboratories and Services (541380)

SIC

Services-Testing Laboratories (8734)

akta.pro industry

PRIMARYEUAEAHAN

Third-Party Certification, Code Compliance & Regulatory Inspection (ASME/API/ISO)

Energy, Utilities & Environment/Energy Infrastructure & Services (EPC, O&M, Field Services)/Inspection, Testing & Certification (ITC) / NDT for Energy Infrastructure

Keywords

• Construction product certification
• Quality mark window frames
• PVC window standards
• Building materials warranty fund
• Installer training services

Headquarters

HQ city

Nieuwegein

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

Personnel, Operations, Marketing or Sales, Technology or R&D, Infrastructure, Others

Revenue model

1. Membership Fees: Manufacturers, suppliers, and installers pay membership fees to be part of the VKG Keurmerk certification scheme. Members must meet strict quality requirements and undergo periodic independent inspections.
2. Certification Fees: Companies pay for certification and receive the right to use the VKG Keurmerk quality mark. Certified companies can issue VKG Keurmerk guarantee certificates to end customers.
3. Training and Education: Revenue from mounting courses and technical maintenance training for certified mechanics and housing association technical specialists.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

VKG Keurmerk is a Dutch sector association that operates the country's quality certification mark for plastic (PVC) window frames, doors and facade elements. It certifies member manufacturers, suppliers and installers against its VKG Quality Requirements, issues guarantee certificates carrying a 10-year warranty backed by a guarantee fund, runs the VKG Recycling System for end-of-life PVC frames, and delivers training courses for installers and technical maintenance staff.

Product overview

VKG Keurmerk is a quality certification and assurance organization for the plastic window frame (kunststof kozijnen) industry in the Netherlands. The organization operates as a certification mark backed by the branch association Vereniging Kunststof Gevelelementenindustrie (VKG). Its core offering is the VKG Keurmerk certification, which guarantees quality, warranty, control, transparency, and sustainability for plastic windows, doors, and related products. The certification is supported by services including the VKG Recyclesysteem (recycling program), the VKG Waarborgfonds (guarantee fund), and training programs (Montagecursus and Cursus Technisch Onderhoud). Products covered under the certification include kunststof kozijnen (plastic window frames), kunststof deuren en deurkozijnen (plastic doors and door frames), with a network of certified suppliers and installers throughout the Netherlands.

Differentiator

Problem solved

Functional benefit

Brands

• VKG Keurmerk: Quality certification mark for plastic window frames, doors, and facade elements in the Netherlands.

Products and services

• VKG Keurmerk Certificering Independent quality certification mark for plastic window frames, doors and facade elements that companies can obtain to demonstrate compliance with VKG Quality Requirements and the right to issue VKG Keurmerk guarantee certificates to end customers.
• Montagecursus (Installation training course) A two-day practical training program for installers from VKG Keurmerk companies to obtain VKG Keurmerk installer certification.
• Cursus Technisch Onderhoud (Technical maintenance course) Technical maintenance and repair course for technical specialists from housing associations and VKG Keurmerk installers.
• VKG Recyclesysteem (VKG Recycling System) Recycling service that processes old plastic window frames into clean PVC granules that serve as raw material for new frames; currently handles approximately 75% of Dutch used plastic window frames and supports up to 10 recycling cycles.
• VKG Waarborgfonds (VKG Guarantee Fund) Guarantee fund providing an overarching warranty on deposits and contract fulfillment for customers of VKG-certified companies, with independent dispute resolution.

Quantifiable outcome

• Up to 52% cost savings over 75 years compared to wooden or aluminum frames
• +3 more outcomes

Named customers5 records

Segments4 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature4 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• SchücocoreTechnology or IntegrationSchüco is a key technology partner for VKG certified manufacturers, providing high-quality plastic profiles for window frames. GevelNed and other VKG members use Schüco profiles exclusively for their plastic window frames, ensuring consistent quality and performance standards.
• GevelNed B.V.coreTechnology or IntegrationGevelNed develops and produces high-quality plastic window frames, doors, and sliding doors in their own modern factory in Zwaag. They are the factory behind Select Windows and hold multiple certifications including ISO 9001, KOMO, Politiekeurmerk Veilig Wonen, and VKG Keurmerk.
• KeJecoreTechnology or IntegrationKeJe, based in Dronten, developed a magnetic mounting system for window decorations that works on plastic window frames without drilling. The system uses a steel strip on the glass bead with magnetic strips on the frame. KeJe has 125 employees and serves as an important VKG partner, making plastic window frames more functional.
• Reno Totaalbouw B.V.coreChannel Partner/ Reseller/ DistributorReno Totaalbouw is a certified VKG supplier with over 22 years of experience, based in Haaksbergen. They supply and install plastic window frames, doors, and roof windows throughout the Netherlands. The company has 34+ employees and uses Schüco profiles.
• KozijndeluxeminorChannel Partner/ Reseller/ DistributorKozijndeluxe, based in Bergen (North Limburg), is a VKG certified supplier specializing in renovations, custom work, and special requests. Owned by Remco Terwindt who has 25 years of industry experience.
• Schüco Nederland B.V.coreTechnology or IntegrationSchüco Nederland B.V. develops high-quality window systems that meet the highest standards for quality, lifespan, design, comfort, and safety. They are a VKG member with systems that fit every architectural style.
• VKG Recycling PartnerscoreStrategic or Co-development PartnerVarious recycling partners work with VKG to process old plastic window frames into clean PVC granules. These partners can place containers at construction sites for large projects and process approximately 75% of used plastic window frames.
• IGG BouweconomieminorStrategic or Co-development PartnerIGG Bouweconomie conducted independent Total Cost of Ownership (TCO) research proving that plastic window frames offer up to 52% cost savings over 75 years compared to other materials. The research was controlled by Ingenii Bouweconomie.
• ROC (Regional Training Center)minorStrategic or Co-development PartnerVKG partnered with ROC to launch the Montageschool Kunststof Kozijnen (Plastic Window Installation School), a learning-work program for career switchers, lateral entrants, youth, and mechanics wanting to expand their skills.
• Select WindowscoreChannel Partner/ Reseller/ DistributorSelect Windows is a network of certified window suppliers and installers. GevelNed is the factory behind Select Windows, producing plastic window frames that are distributed through the Select Windows dealer network throughout the Netherlands.

Scale indicators5 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• SKG-IKOB: Dutch certification body for construction products, including those held by VKG-certified manufacturers. Operates as a peer certification authority alongside VKG in the Dutch construction products compliance ecosystem.
• VMRG (Vereniging Metalen Ramen en Gevelbranche): Dutch trade association for the metal window and façade industry, structurally analogous to VKG. VMRG operates a similar member-certification and quality-mark model for metal frames, making it a direct competitor for window material specification in Dutch construction.
• Politiekeurmerk Veilig Wonen: Dutch police-issued residential security certification mark, often held jointly by VKG-certified manufacturers. Functions as a parallel quality mark addressing security, directly comparable to VKG's quality assurance approach for window frames.
• KOMO: Dutch construction product certification mark widely used alongside VKG Keurmerk. KOMO certifies building products for compliance with Dutch standards, making it the most direct functional peer in the Dutch construction certification landscape.

Broad incumbents

• NRK (Nederlandse Rubber- en Kunststofindustrie): Dutch trade association for the broader rubber and plastics industry. While not a direct certification body, NRK serves as the umbrella industry association that overlaps with VKG's plastic window frame membership base.
• Stichting ISSO: Dutch knowledge and certification institute for building services and energy performance. Adjacent to VKG in building performance certification, particularly relevant as energy efficiency (U-values) becomes a more important purchase driver.

Emerging players

• PEFC (Programme for the Endorsement of Forest Certification): International forest certification scheme competing with FSC for wood window material specification. PEFC's presence in the Dutch construction market creates indirect competitive pressure on plastic frames by certifying the primary alternative material.
• FSC International: Global forest certification body covering wood as an alternative window frame material. FSC competes for material specification share in window/façade decisions by certifying the wood substitute, positioning it as an adjacent competitor to VKG's plastic frame certification.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• LinkedInlinkedin.com/company/vkg-keurmerk

Compliance5 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles3 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 Vkg Keurmerk