Ambacht

What Ambacht does

Ambacht operates the heritage windmill Molen de Roos in Delft, Netherlands, through the non-profit foundation Stichting Molen de Roos. The site is the sole surviving windmill of the 18 that once operated in Delft and functions as a working cultural landmark combining craftsmanship, technology, history, and food production. Each week the mill uses wind power to grind organic grain into stone-milled flour and oats, which are sold on-site alongside sourdough bread, buns, and cookies produced in the mill's own bakery.

The commercial offering is organized around four integrated touchpoints: the walk-in mill (free admission, Wed–Sat), the Molenwinkel retail shop, the seasonal miller's café Bij de Roos (operating May–September between National Mill Days and Open Monument Days), and the volunteer-maintained Molentuin garden established in 2019. Year-round workshops such as pasta making are hosted at Bij de Roos, and group/educational visits are offered to schools. The business is fundamentally direct-to-consumer with no online ordering, delivery, or B2B channels disclosed.

Revenue is generated through three streams — retail product sales (flour, oats, baked goods), workshop fees, and seasonal café sales — all conducted on-site. Pricing is not publicly disclosed and mill admission is free. The foundation structure, single-site footprint, three-day operating week, and reliance on volunteer labor frame this as a heritage-preservation enterprise rather than a growth-oriented business.

Name

Ambacht

Legal name

Stichting Molen de Roos

Website

https://ambachtdelft.nl

Company type

Private

Founded year

2006

Operating status

Operating

Headcount range

1–10 employees

Short description

Ambacht operates Molen de Roos, a Dutch non-profit foundation running the sole surviving historic windmill in Delft, offering wind-milled organic flour, on-site bakery products, a seasonal café, workshops, and educational visits to tourists, families, and school groups.

Ownership category

akta.pro rank

Product category

Artisanal Bakery & Heritage Mill

NAICS

Grain and Oilseed Milling (3112)

SIC

Grain Mill Products (2040)

akta.pro primary industry

Flour & Milling Products Manufacturing (wheat, corn, rice, specialty flours) (AFAKABAD)

akta.pro secondary industry

Pastry, Cakes & Tortes Manufacturing (AFAKAAAB)

Keywords

• Stone-ground flour
• Heritage windmill
• Artisanal bakery
• Organic grain milling
• Cultural heritage tours

Headquarters

HQ city

Delft

HQ country

Netherlands

HQ region

Europe

Offices2 records

Markets served

GTM type

B2C

Offering type

Services

Cost components

Personnel, Operations, Supply Chain, Infrastructure, Marketing or Sales

Revenue model

1. Retail Product Sales: Direct sales of stone-milled flour, oats, and freshly baked bread, buns, and cookies from the mill shop. Products are produced on-site and sold retail to visitors.
2. Workshop Fees: Revenue from workshops including pasta making and other culinary craft workshops offered year-round at Bij de Roos location.
3. Seasonal Café Sales: Seasonal café revenue from coffee, tea, sandwiches, and homemade pastries at Bij de Roos during summer season between National Mill Days and Open Monument Days.

Go-to-market motion1 record

Distribution channels3 records

Marketing channels4 records

Core offering

Ambacht operates Molen de Roos, a historic windmill in Delft that uses wind power to grind organic grain into stone-ground flour on a weekly basis. The on-site bakery turns this flour into sourdough bread, buns, and cookies sold through the mill shop and miller's café (Bij de Roos), alongside stone-milled flour and oatmeal. The windmill also functions as a free-admission cultural heritage site offering guided tours, year-round craft workshops, a seasonal café, and a volunteer-maintained mill garden.

Product overview

Molen de Roos is a heritage windmill complex offering a unified portfolio of traditional milling, baking, and educational experiences. The core offering centers on the working windmill that grinds organic grain into stone-ground flour, which is used in the on-site bakery to produce sourdough bread, buns, and cookies sold through the mill shop. The experience is extended by Bij de Roos (a miller's café for refreshments and workshops), the mill garden (demonstrating grain cultivation), and guided visits to the historic mill structure.

Differentiator

Problem solved

Functional benefit

Products and services

• Molen de Roos Windmill (Heritage Mill Visit) A historic windmill in Delft, the only remaining one of 18 original windmills, that grinds organic grain into flour using wind power. Open for free guided visits where guests can climb the mill and meet guides and millers.
• Molenwinkel (Mill Shop) — Stone-Milled Flour, Oatmeal, Bread, Buns, and Cookies On-site shop selling freshly baked sourdough bread, buns, and cookies made in the mill's bakery, as well as stone-ground flour and oatmeal produced at the windmill. Includes ingredients and expert advice for home bread baking.
• Bij de Roos (Miller's Café) A café in the former miller's residence offering year-round freshly baked bread and buns, plus seasonal café service between National Mill Days (May) and Open Monument Days (September) with coffee, tea, sandwiches, and homemade pastries.
• Workshops (Pasta Making and Craft Classes) Year-round educational workshops including pasta making and other hands-on baking and cooking classes offered at the Bij de Roos location for individuals and groups.

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature1 record

Scale indicators2 records

Recent moves5 records

Expansion highlights4 records

Emerging players

• Castle Valley Mill: Small-scale heritage stone mill in Pennsylvania producing stone-ground flours from heritage grains with on-site retail. Highly comparable as a small heritage stone mill selling artisanal flour directly to consumers, though located in the US and without the windmill-driven tourism layer.

Broad incumbents

• King Arthur Baking Company: Well-established US artisanal flour and baking brand with broad retail and digital distribution. Comparable as an established premium flour brand that competes for the same artisan/home-baking customer base, but at much greater scale and without heritage-windmill production.
• Bob's Red Mill: US-based artisanal stone-ground flour and whole-grain products manufacturer with national retail distribution. Closely comparable on the artisanal stone-milled flour product category, but operates as a large-scale commercial miller rather than a heritage destination.
• Shipton Mill: UK-based organic stone-ground flour miller producing premium flours for retail and wholesale bakeries. Directly comparable on stone-ground organic flour production, heritage mill positioning, and supply to artisan bakeries, though at broader scale and without public visitor operations.

Direct peers

• Molen De Adriaan: Haarlem windmill rebuilt after a fire, operating as an active mill and museum with public visits and milling demonstrations. Directly comparable Dutch heritage windmill with public engagement, retail, and educational programming.
• Zaanse Schans: Open-air heritage museum near Zaandam with several working industrial windmills, including operational sawmills and oil/grain mills. Directly comparable as a Dutch heritage windmill destination combining live milling demonstrations with retail and educational tourism.
• Kinderdijk Windmills: UNESCO-listed network of 19 historic Dutch windmills originally used for drainage, now operated as a heritage tourism site with visitor centers. Comparable as a cluster of preserved Dutch windmills monetized through tourism, though focused on drainage rather than grain milling.
• Molen De Valk: Leiden-based historic windmill functioning as a museum with operational milling technology and visitor tours. Closely mirrors Molen de Roos as a single surviving heritage Dutch windmill offering milling demonstrations and educational visits in a city-center location.

Market position

Strengths4 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/Ambacht
• Facebookfacebook.com/ambachtdelft

Revenue estimate

Valuation estimate

Number of profiles

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 Ambacht