Stichting OpMaat

What Stichting OpMaat does

Stichting OpMaat is a Dutch non-profit foundation (stichting) founded in 2004, headquartered in Leusden, Netherlands. The organization develops and manages two affordable homeownership instruments — KoopGarant and KoopStart — that enable middle-income households who earn too much for social housing but cannot afford market-rate prices to purchase homes at below-market value. KoopGarant is based on an erfpacht (ground lease) structure: buyers purchase at a 10–50% discount to market value, with the ground rent paid in perpetuity and a guaranteed buyback by the housing corporation or developer within three months. KoopStart offers a buyer discount on the purchase price, with resale proceeds shared between the buyer and the provider (developer, housing corporation, municipality, or the National Fund), and allows conversion to full ownership after three years. Both instruments are fiscally approved by the Dutch Tax Authority, NHG-compatible, and backed by validated NWWI appraisals and a three-appraiser dispute resolution mechanism.

The business model is B2B licensing: housing corporations, project developers, and municipalities obtain licenses to deploy KoopGarant and KoopStart, receiving model contracts, validation instructions, training, workshops, and ongoing advisory support. The organization has 130+ licensees including major Dutch developers (Heijmans, AM, BPD, Timpaan, Van Wanrooij) and municipalities (Groningen, Ede, Oudewater, Amsterdam). Additional revenue derives from professional services such as buyback guidance, sustainability consulting, and sales support. The 2025 annual report indicates growth in size, market impact, and visibility, coinciding with the launch of the Nationaal Fonds Betaalbare Koopwoningen (NFBK) — a national fund leveraging KoopStart with €29 million available in its second tranche. Pricing levers (buyer discount of 10–50%, maximum market value of €555,000 for KoopStart in 2026, income limits up to €93,531) are regulated rather than market-determined. The organization is led by Simone van de Kuit as directeur-bestuurder, with a small team of 11–50 employees.

Name

Stichting OpMaat

Legal name

Stichting OpMaat

Website

https://opmaat.nl

Company type

Private

Founded year

2004

Operating status

Operating

Headcount range

11–50 employees

Short description

Stichting OpMaat is a Dutch non-profit foundation that licenses KoopGarant and KoopStart — affordable homeownership instruments based on erfpacht ground lease — to housing corporations, project developers, and municipalities across the Netherlands.

Ownership category

akta.pro rank

Product category

Affordable Housing Services

NAICS

Lessors of Nonfinancial Intangible Assets (except Copyrighted Works) (5331)

akta.pro primary industry

Down Payment Assistance (DPA) & Homebuyer Subsidy Programs (FSALAKAE)

Keywords

• Affordable homeownership instruments
• Housing transaction services
• Ground lease solutions
• Social housing licensing
• Buyer discount programs

Headquarters

HQ city

Leusden

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, Others

Revenue model

1. License Fees: Housing corporations and developers pay for KoopGarant and KoopStart licenses, receiving access to model contracts, information, training, and ongoing support services.
2. Professional Services: Additional services including buyback guidance, workshops, sustainability guidance, financing exemption requests, and sales support for licensed products.
3. NFBK Partnership: Through the Nationaal Fonds Betaalbare Koopwoningen partnership, €29 million available in second tranche for affordable housing projects.

Pricing tiers

Go-to-market motion3 records

Distribution channels5 records

Marketing channels7 records

Core offering

Stichting OpMaat licenses and manages two affordable homeownership instruments - KoopGarant and KoopStart - that enable Dutch middle-income households (police, teachers, nurses, starters) to purchase homes below market value through buyer discounts of 10-50%. KoopGarant provides a guaranteed buyback by housing corporations or developers within 3 months, while KoopStart allows market resale with shared proceeds. The foundation licenses these products to housing corporations, project developers, and municipalities, and supports them with model contracts, training, buyback/transaction management, valuation services, and workshops.

Product overview

Stichting OpMaat operates as a platform managing two main affordable homeownership products: KoopGarant and KoopStart, both enabling home purchases at below-market prices with buyer discounts and guaranteed buyback mechanisms. KoopGarant provides a 3-month guaranteed buyback from housing corporations/developers, while KoopStart allows shared proceeds upon resale. Additional services include buyback management, workshops, sales guidance, and sustainability consulting for licensed housing corporations and developers. From autumn 2025, the National Fund for Affordable Homeownership (NFBK) will expand access to these programs.

Differentiator

Problem solved

Functional benefit

Products and services

• KoopGarant An affordable housing instrument where buyers purchase a home below market value (10-50% discount, koperskorting) with a guaranteed buyback by the housing corporation or developer within 3 months. Based on the erfpacht (ground lease) construct with eternal ground rent already paid, preventing speculation and windfall gains while enabling middle-income households to enter homeownership. Licensed to housing corporations and developers.
• KoopStart An affordable homeownership scheme allowing starters to purchase homes below market value with a buyer discount. Upon resale, proceeds are shared between the buyer and the provider (developer, housing corporation, municipality, or NFBK) in line with the original discount percentage. Allows conversion to full ownership after 3 years. Licensed to project developers, housing corporations, and municipalities.
• Services OpMaat Professional services supporting KoopGarant and KoopStart licensees, including Team Woningtransacties buyback management, workshops and in-company training, sales guidance, contract termination assistance, conversion support, sustainability consulting (such as financing exemption requests), and ongoing advisory. For housing corporations, developers, and municipalities.
• Nationaal Fonds Betaalbare Koopwoningen (NFBK) A national fund that leverages the KoopStart system to provide buyer discounts on new-build homes for young starters with middle incomes. Developers and housing corporations can apply to the fund, which provides 75% of the buyer discount upfront while the developer provides 25%. From autumn 2025 onwards, the NFBK also functions as a KoopStart licensor enabling direct purchase from the fund.

Quantifiable outcome

• 130+ housing corporations and developers licensed
• +3 more outcomes

Named customers12 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

Three partnerships are on record, tiered core and minor.

• Nationaal Fonds Betaalbare Koopwoningen (NFBK)coreStrategic or Co-development Partner · 2 June 2025NFBK makes use of the KoopStart system. Developers and housing corporations can apply to the fund for subsidies to sell affordable homes with buyer discounts to young starters. Fund provides 75% of buyer discount upfront, developer provides 25%. €29 million available in second tranche.
• RabobankminorGTM or Marketing PartnerRabobank expanded financing options for KoopStart homes to include new construction from developers (previously only for housing corporation purchases). Enables broader mortgage availability for buyers.
• SVn (Stimuleringsfonds volkshuisvesting)minorGTM or Marketing PartnerSVn is present at housing events alongside OpMaat to discuss the NFBK and affordable housing solutions. Provides Starterslening (starter loans) that can be combined with KoopGarant.

Scale indicators6 records

Recent moves6 records

Expansion highlights6 records

Regional players

• Sage Housing: Sage Housing is a UK shared-ownership platform that helps first-time buyers purchase below-market with resale mechanics similar in spirit to KoopStart. It is a comparable concept in a different geography, illustrating how affordability instruments are structured outside the Netherlands.

Direct peers

• Stimuleringsfonds Volkshuisvesting Nederlandse gemeenten (SVn): SVn administers Startersleningen (starter loans) and other Dutch municipal affordable-housing finance instruments that combine with KoopGarant. It is OpMaat's closest functional peer, operating in the same Dutch affordable-ownership finance ecosystem with overlapping buyers (municipalities and starter households).

Others

• Woonbond: Woonbond is the Dutch tenants' association advocating on housing affordability. While it operates on the rental side of the housing spectrum, it is a key policy counterpart to OpMaat's ownership-side instruments and influences national debate on starter access to housing.
• Aedes: Aedes is the Dutch housing corporation industry association that has validated OpMaat's model contracts and represents the housing corporations that are OpMaat's primary licensees. It is an adjacent industry body rather than a competitor, but its policy positions directly affect licensee behavior.
• Vereniging Eigen Huis (VEH): VEH is the Dutch homeowner consumer association that has formally validated KoopGarant and KoopStart model contracts. While not a direct competitor, VEH is an adjacent ecosystem participant influencing buyer trust and policy positions on homeownership affordability.
• National Community Land Trust Network (CLT): Community Land Trusts in the UK and US offer permanently affordable homeownership through shared-equity / ground-lease structures conceptually aligned with OpMaat's erfpacht-based KoopGarant/KoopStart. They serve as international analogues for the community-led affordable-ownership model OpMaat institutionalizes in the Netherlands.

Broad incumbents

• Nationale Hypotheek Garantie (NHG): NHG is the Dutch national mortgage-guarantee scheme that underpins KoopGarant and KoopStart's NHG compatibility. As a broader, system-level incumbent in Dutch housing finance, NHG is comparable in regulatory weight but operates at national scale on a wider product portfolio.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat5 records

Key risks7 records

Key highlights7 records

Customer concentration

• Xx.com/stichtingopmaat
• LinkedInlinkedin.com/company/stichting-opmaat

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 Stichting OpMaat