Hendrick de Keyser Monumenten

Name

Hendrick de Keyser Monumenten

Legal name

Vereniging Hendrick de Keyser

Website

https://hendrickdekeyser.nl

Company type

Private

Founded year

1918

Operating status

Operating

Headcount range

51–100 employees

Ownership category

akta.pro rank

Product category

Heritage Preservation & Museum Services

NAICS

Historical Sites (71212), Museums (712110)

akta.pro primary industry

Cultural Heritage Institutions (Archives, Historic Houses, Monuments Foundations) (THAJADAI)

akta.pro secondary industries

Museums & Heritage Sites (History, Science, Specialty) (BPAGAHAA), Historic Sites, Heritage Landmarks & Archaeological Sites (THAJACAC), Historic Home Renovation & Preservation (HSAPAEAG)

Keywords

• Historic house preservation
• Heritage museum operations
• Monument conservation services
• Vacation rental properties
• Cultural event venue hire

Headquarters

HQ city

Amsterdam

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Museum admission tickets: The organization sells time-slot tickets for visits to its museum houses. Ticket prices vary by location, ranging from €2.50 to €11 for adult visitors, with discounts for students, children, and free entry for members and VriendenLoterij VIP cardholders. Combitickets are sold for visits to multiple partner museums.
2. Holiday home rentals: Hendrick de Keyser Monumenten rents out holiday accommodations in select historic properties, including Harsta State and De Karwijhof (Huis Polman). These are offered as vacation rentals to the public, generating recurring rental income.
3. Event venue hire: Several of the organization's properties — including Huis Bartolotti (Amsterdam), Huis Barnaart (Haarlem), and Villa Rams Woerthe (Steenwijk) — are available for private hire for events such as weddings, receptions, and corporate gatherings. Venue hire revenue is generated through rental fees.
4. Membership subscriptions: The organization generates revenue through annual membership fees. Members pay a subscription contributing to the association and receive benefits including free museum access, member-only open houses, excursions, and discounts on holiday homes.
5. Donations and bequests: As a registered cultural ANBI (Algemeen Nut Beogende Instelling), the organization receives tax-deductible donations and bequests. The organization actively promotes periodic giving schemes (periodieke schenking) where donors commit to annual gifts for a five-year period, which are fully deductible from income tax.
6. webshop sales: The organization operates a webshop selling tickets, publications, and related products.

Pricing tiers

Go-to-market motion3 records

Distribution channels6 records

Marketing channels8 records

Core offering

Hendrick de Keyser Monumenten acquires, restores, and maintains approximately 480 historic residential monuments across the Netherlands spanning five centuries of Dutch architecture. It generates public engagement and revenue through museum house visits at nine flagship properties, vacation rentals in select heritage homes, private event venue hire at three landmark properties, an annual membership program, and a tax-advantaged periodic giving scheme.

Product overview

Hendrick de Keyser Monumenten operates as a unified heritage preservation organization offering three interconnected product lines: (1) visits to a collection of historic museum houses spanning five centuries of Dutch residential architecture, featuring nine named properties as primary public-facing products — Huis Bartolotti, Huis Barnaart, Buitenplaats Beeckestijn, Villa Rams Woerthe, Huis Van Meerten, Huis Polman, Huis Sloëtjes, Huis Van Eysinga, and Harsta State — each presented as an immersive experience with audio tours, interactive activities, and period-accurate interiors; (2) vacation rental accommodations at select properties, enabling overnight stays in heritage settings; and (3) exclusive event venue hire at three landmark properties. Supplementary offerings include an annual membership program providing free museum access, exclusive openings, and excursions, plus a periodic gift program with tax benefits for donors.

Differentiator

Problem solved

Functional benefit

Products and services

• Huis Bartolotti Museum Visit A 17th-century canal house museum in Amsterdam built for merchant Willem Bartolotti, featuring a richly decorated façade, a spectacular rococo reception hall, and a marble fountain in the garden room. Open to individual visitors, families and groups via time-slot tickets.
• Huis Barnaart Museum Visit An early 19th-century city palace in Haarlem built for merchant Philip Barnaart, containing the best-preserved Empire interior in the Netherlands with a spectacular gilded Golden Salon. Open to visitors and also available for event hire.
• Buitenplaats Beeckestijn Museum Visit A country estate from 1717 in Velsen-Zuid featuring an 18th-century reception hall, restored interiors, and a garden with period-specific planting. Open to visitors via time-slot tickets.
• Villa Rams Woerthe Museum Visit An art-nouveau villa built in 1899 in Steenwijk for the wealthy Tromp Meesters family, with colorful decorated interiors, stained glass, and an extensive landscape garden. Also houses the Hildo Krop Museum in its basement.
• Huis Van Meerten Museum Visit An eclectic 19th-century house in Delft designed as a 'gesamtkunstwerk' for collector Lambert van Meerten, displaying architectural fragments, Delftware, and period interiors with original stained glass and mosaic floors.
• Huis Polman Museum Visit A 1950s museum house in Nagele, the only Dutch village built entirely according to the principles of the Nieuwe Bouwen, preserving the post-war reconstruction era with authentic furnishings and amenities.
• Huis Sloëtjes Museum Visit A terraced house from 1955 in Hilversum preserved intact with its original family belongings, offering an intimate time capsule of domestic life from the 1950s to 1980s. Capacity limited to 6 visitors per hour.
• Huis Van Eysinga Museum Visit An 18th-century Frisian townhouse in Leeuwarden for the noble Van Eysinga family, featuring richly decorated family rooms alongside more modest servant quarters, with a neoclassical staircase and period wall paintings.
• Harsta State Museum Visit An authentic Frisian country estate from the 16th century in Hegebeintum with a Lodewijk XVI-style reception hall, historic stinzenplanten garden, and a cultural ensemble including a Romanesque church.
• Vacation Rentals at Heritage Properties Overnight stays available at selected historic properties including Harsta State and De Karwijhof (Nagele), allowing guests to experience heritage interiors with modern comforts. Booked via the hurenbij.hendrickdekeyser.nl portal.
• Event Venue Hire Three historic properties — Huis Bartolotti (Amsterdam), Huis Barnaart (Haarlem), and Villa Rams Woerthe (Steenwijk) — are available for exclusive private hire for weddings, receptions, and corporate events. Catering for Villa Rams Woerthe is provided by Bovenmeester.
• Membership Program (Lidmaatschap) Annual membership offering free entry to all museum houses, members-only openings, guided excursions (ledenexcursies), and discounts on vacation rentals.
• Periodic Gift (Periodieke Schenking) Program A structured giving program allowing donors to commit to annual gifts over five years, with 125% tax deductibility under Dutch law as a cultural ANBI. Coordinated by relatiemanager Petra van Kesteren.
• Webshop Online webshop selling tickets, publications, and related heritage products.

Quantifiable outcome

• Ruim 480 huizen verspreid over Nederland maken vijfhonderd jaar wonen zichtbaar — approximately 480 houses across the Netherlands make five centuries of living history visible.

Named customers7 records

Segments5 records

Ideal customer profiles1 record

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Partnerships

Nine partnerships are on record, tiered core and minor.

• CBF (Centraal Bureau Fondsenwerving)coreOthersThe CBF is the independent Dutch supervisor of charitable organizations. Hendrick de Keyser Monumenten holds the CBF-Erkenningspaspoort Category D, the highest level of accreditation for good causes in the Netherlands, demonstrating compliance with the strictest quality standards for governance, finances, and accountability.
• VriendenLoterijcoreGTM or Marketing PartnerThe VriendenLoterij (Friends Lottery) partnership provides VIP cardholders with free admission to Hendrick de Keyser's museum houses. This cross-promotional arrangement channels the lottery's member base to the organization's properties and offers a tangible benefit to VIP cardholders.
• Terp Hegebeintum Knowledge and Information CentrecoreStrategic or Co-development PartnerThe Harsta State museum house is integrated into the cultural ensemble of the Terp Hegebeintum Knowledge and Information Centre, which includes a Romanesque church from the 12th century and an archaeological exhibition. Tickets for Harsta State are sold at the centre's ticket office (300 metres from the house), and combitickets cover the house, garden, church, and archaeological exhibition together.
• Museum Paul Tetar van ElvenminorGTM or Marketing PartnerA combiticket partnership allows visitors to combine a visit to Huis Van Meerten with the nearby Museum Paul Tetar van Elven at a discounted rate (€17 without Museumkaart, €10 with Museumkaart). Both museums are associated with collectors from Delft's artistic history.
• Museum NageleminorGTM or Marketing PartnerA combiticket partnership with Museum Nagele allows visitors to combine a visit to Huis Polman with the adjacent Museum Nagele, which covers the history of Nagele and the principles of the Nieuwe Bouwen (New Building) movement. The combiticket costs €11.
• Museum Het SchipminorGTM or Marketing PartnerA combiticket partnership pairs Huis Bartolotti (a 17th-century canal house representing elite Amsterdam living) with Museum Het Schip (an Amsterdam School social housing museum), offering visitors a journey through two extremes of Amsterdam residential history. The combiticket costs €25.
• Fries MuseumminorGTM or Marketing PartnerA combiticket with the Fries Museum in Leeuwarden (€21 without Museumkaart) allows visitors to combine their visit to Huis Van Eysinga with the regional modern art museum, both located in Leeuwarden.
• BovenmeesterminorImplementation/ SI/ Consulting PartnerBovenmeester from Steenwijk provides the catering service for events held at Villa Rams Woerthe. This partnership ensures professional food and beverage service at the event venue.
• Hildo Krop MuseumminorStrategic or Co-development PartnerThe Hildo Krop Museum, featuring the works of Amsterdam city sculptor Hildo Krop, is housed in the basement of Villa Rams Woerthe, creating a co-located museum offering within the same historic property.

Scale indicators2 records

Recent moves7 records

Expansion highlights5 records

Direct peers

• SPAB (Society for the Protection of Ancient Buildings): UK charity founded in 1877 dedicated to the conservation of historic buildings through advice, advocacy, and training. Comparable heritage preservation mandate with a similarly long-standing institutional profile.
• Stadsherstel Amsterdam: Amsterdam-based heritage foundation that acquires, restores, and manages historic buildings across the city. Highly comparable Dutch peer with overlapping geography and similar restoration-and-public-access model.
• Historic Royal Palaces: UK independent charity that manages unoccupied royal palaces, including Kensington Palace and Hampton Court, with ticketed admissions and memberships. Comparable model of operating historic residential interiors for public visits and private events.
• National Trust: The UK's largest conservation charity, managing historic houses, gardens, and countryside properties open to public visits via a membership model. Directly comparable to Hendrick de Keyser as a heritage trust monetizing historic residential assets through admissions, memberships, and vacation rentals.
• Vereniging Natuurmonumenten: Dutch nature and heritage conservation association managing natural areas and historic properties as a membership-supported non-profit. Directly comparable Dutch peer with similar ANBI status, membership model, and portfolio stewardship mandate.
• English Heritage: UK charity managing over 400 historic monuments, sites, and buildings for public access and preservation. Closely comparable operating model of acquiring, restoring, and opening historic properties to paying visitors and members.
• National Trust for Scotland: Independent Scottish conservation charity managing more than 100 historic properties and gardens with a membership-driven visitation model. Highly comparable in mission, monetization, and scale relative to Hendrick de Keyser's Dutch portfolio.
• Stichting Monumentenbezit: Dutch foundation that acquires, restores, and rents out national monuments to private tenants. Closely comparable to Hendrick de Keyser's core activity of acquiring and preserving historic residential properties, with an overlapping Dutch operating geography.

Emerging players

• SAVE Britain's Heritage: UK charity campaigning for the preservation of historic buildings and running targeted rescue-acquisition campaigns. Comparable advocacy and selective-acquisition approach, though smaller in scale and without Hendrick de Keyser's rental/event monetization.

Others

• Federation of European Heritage Associations: Pan-European heritage network coordinating national heritage trusts and foundations. Relevant as an ecosystem/peer umbrella organization for the European heritage NGO sector in which Hendrick de Keyser operates.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat4 records

Key risks5 records

Key highlights7 records

Customer concentration

• Xx.com/Hdkeyser
• YouTubeyoutube.com/channel/UCqJg6RkrM0z8g3dF1YvR9jQ
• Facebookfacebook.com/hendrickdekeysermonumenten
• LinkedInlinkedin.com/company/hendrick-de-keyser
• Instagraminstagram.com/hendrickdekeyser

Revenue estimate

Valuation estimate

Number of profiles

Profiles8 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 Hendrick de Keyser Monumenten