Koster Makelaardij

What Koster Makelaardij does

Koster Makelaardij is a privately held, independent residential real estate brokerage founded in 1965 by Teun Koster and headquartered at Havendijk 64 in Gorinchem, Zuid-Holland, Netherlands. The firm operates with a small team (approximately four to six staff depending on source) and serves sellers, buyers, landlords, and tenants in the Gorinchem region, including Arkel, Leerdam, and Sliedrecht. Its service offering is structured around five core lines: Verkoop (sales brokerage), Aankoop (purchase advisory), Taxatie (appraisals), Verhuur (rental management), and Zoekopdracht (property search alerts).

Name

Koster Makelaardij

Legal name

Koster Makelaardij

Website

https://koster-makelaardij.nl

Company type

Private

Founded year

1965

Operating status

Operating

Headcount range

1–10 employees

Short description

Koster Makelaardij is a Dutch residential real estate brokerage founded in 1965, serving buyers, sellers, landlords, and tenants in the Gorinchem region with sales, purchase advisory, appraisal, and rental services delivered by a small local team.

Ownership category

akta.pro rank

Product category

Residential Real Estate Brokerage

NAICS

Offices of Real Estate Agents and Brokers (53121), Real Estate Property Managers (53131), Residential Property Managers (531311)

SIC

Real Estate Agents & Managers (For Others) (6531)

akta.pro primary industry

Residential Real Estate Brokerage (Buy/Sell) (FSAEAJAA)

akta.pro secondary industries

Property Management Advisory & Leasing Administration (FSAEAJAN), Real Estate Advisory & Consulting (Strategy, Portfolio & Location) (FSAEAJAH)

Keywords

• Residential real estate brokerage
• Property sales services
• Property valuation services
• Rental management services
• Real estate advisory

Headquarters

HQ city

Gorinchem

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2C

Offering type

Services

Cost components

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

Revenue model

1. Property Sales Commission: Commission-based revenue from facilitating residential property sales in the Gorinchem region
2. Property Purchase Services: Fees for assisting buyers in finding and purchasing properties
3. Rental Management Services: Services for landlords renting out properties, including tenant management and risk mitigation
4. Property Appraisals (Taxaties): Professional property valuation reports for various purposes

Go-to-market motion1 record

Distribution channels3 records

Marketing channels6 records

Core offering

Koster Makelaardij is a traditional Dutch real estate brokerage operating in the Gorinchem region (including Arkel, Leerdam, and Sliedrecht) since 1965. The firm delivers residential property services covering sales (verkoop), purchase advisory (aankoop), professional valuations (taxatie), rental management (verhuur), and property search alerts (zoekopdracht), supported by partner platforms such as Funda, RealWorks, and Move.

Product overview

Koster Makelaardij is a traditional full-service real estate brokerage offering a unified set of property services centered around residential sales, purchases, valuations, and rentals in the Gorinchem region. The core offering consists of five integrated services: Verkoop (property sales), Aankoop (property purchases), Taxatie (professional valuations), Verhuur (rental management), and Zoekopdracht (search alerts). All services are delivered through the company's own staff and systems, with listings distributed through partner platforms like Funda and Realworks. The company has operated since 1965 and emphasizes personalized, hands-on service rather than a technology platform approach.

Differentiator

Problem solved

Functional benefit

Segments3 records

Ideal customer profiles3 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration5 records

Partnerships

Five partnerships are on record, tiered core and minor.

• NVM (Nederlandse Vereniging van Makelaars)coreOthersProfessional association membership providing industry standards, professional network, and credibility. NVM is the leading Dutch association for real estate professionals.
• NWWI (Nederlandse WoningWaarde Index)minorOthersPartnership for property valuation indices and market data.
• FundacoreGTM or Marketing PartnerMajor Dutch real estate listing platform where Koster advertises properties to reach national audience of potential buyers.
• Move.nlcoreTechnology or IntegrationClient portal platform providing Move-klantdossier for managing client information, property listings, and search functionality. Used for Wwft compliance checks and real-time property search alerts.
• RealWorkscoreTechnology or IntegrationReal estate software platform used for property listing management, media/images, and website content delivery.

Scale indicators5 records

Recent moves5 records

Expansion highlights3 records

Direct peers

• Makelaarsland: Large Dutch low-cost brokerage chain offering residential sales and purchase services nationwide. Comparable business model (commission-based brokerage) with a contrasting tech-led, discount GTM that competes with traditional offices like Koster.
• Van der Sanden Makelaars: Direct local competitor also operating in the Gorinchem and surrounding South Holland residential market, offering sales, purchase, appraisal and rental services. Closest geographic overlap with Koster.
• Hoekstra & van Eck Makelaars: Multi-branch NVM-affiliated Dutch brokerage with residential sales, purchase, rental and valuation services across multiple regions. Directly comparable full-service residential brokerage model.

Others

• Funda: Dutch real estate listing platform and Koster's primary lead-generation channel. Not a brokerage but essential distribution infrastructure whose traffic and economics shape Koster's addressable market.
• De Hypotheker: Dutch mortgage advice franchise that frequently co-serves residential buyers and is part of the same property-transaction ecosystem. Indirectly comparable as a referral partner and adjacent financial-services touchpoint.

Broad incumbents

• RE/MAX Netherlands: Global franchise brokerage with significant Dutch market presence, offering residential sales, rentals and valuations. Competes for the same local sellers and buyers as Koster but as a larger, brand-driven incumbent.
• ERA Netherlands: Franchise network of Dutch real estate offices providing residential sales, rental and appraisal services; comparable full-service offering distributed through local offices.
• Engel & Völkers Nederland: International franchise brokerage with a broad Dutch footprint, offering residential sales, rentals and appraisals. Competes for higher-end listings in Koster's territory but operates as a broader incumbent brand rather than a local specialist.

Regional players

• Van de Water Makelaardij: Independent Dutch brokerage offering residential sales, purchases and valuations in regional markets. Comparable service mix and client profile to Koster, but geographically separate.
• Boekholt Makelaars: Regional Dutch real estate brokerage offering traditional residential sales, appraisals and rentals, comparable in size and service bundling to Koster but covering different Dutch regions.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat3 records

Key risks5 records

Key highlights6 records

Customer concentration

• Facebookfacebook.com/profile.php
• Instagraminstagram.com/kostermakelaardij
• TikToktiktok.com/@kostermakelaardij
• LinkedInlinkedin.com/company/koster-makelaardij-b.v.

Compliance2 records

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 Koster Makelaardij