YellowBellies
YellowBellies is a privately-held Dutch outdoor-play childcare organization operating 12 locations in the Groene Hart region, serving 1,200+ children weekly through full-day daycare (KDV, ages 0–4) and after-school care (BSO, ages 4–13) structured around the Athletic Skills Model.
- Company typePrivate
- Founded-
- HeadquartersOudewater, Netherlands
- Headcount51–100
- GTM typeB2C
- OfferingServices
What YellowBellies does
YellowBellies is a privately-held Dutch childcare organization founded in 2011 and headquartered in Oudewater, operating exclusively in the Groene Hart region of the Netherlands. The company runs two core service lines under a unified "buitenspeelse kinderopvang" (outdoor-play childcare) brand: Buitenspeels kinderdagverblijf (KDV), providing full-day childcare for children from 10 weeks to approximately 4 years, and Buitenspeelse opvang / Buitenschoolse opvang (BSO), providing after-school and holiday care for children aged 4 to 13. Across its network of 12 owned-and-operated locations (2 KDV sites in Oudewater and Montfoort, plus 10 BSO sites spread across Oudewater, Montfoort, Woerden, Reeuwijk, Haastrecht, and Linschoten), the organization serves more than 1,200 children per week with a 104-person workforce.
The company's product is operationally distinctive rather than technologically novel: outdoor play is treated as the default operating model rather than an add-on, and activities are structured around the Athletic Skills Model (ASM), a framework of 10 fundamental movement forms delivered via the third-party DoenKids content platform for pedagogical staff. Parent communication, scheduling, photo/video updates, and digital enrollment run on the Flexkids/KidsKonnect platform (rolled out across the network from January 2023). The BuitenKracht school partnership program places YellowBellies staff (Buitenspeelbazen) inside partner primary schools during break times, extending the brand into school-day hours and feeding the BSO enrollment funnel. A Kinderfeestje (birthday party) add-on service at €170 per party for up to 10 children monetizes existing site infrastructure outside core hours.
The business model is subscription-recurring: parents sign ongoing contracts for KDV or BSO placements, with payments partially offset by the Dutch income-dependent kinderopvangtoeslag (childcare allowance). Distribution is fully direct — enrollment via the company website, cost calculators, optional in-person "koffiedrinken" introductions, and self-guided tours. No third-party resellers, franchisees, or external investors are involved; the company appears to be founder/management-owned, and its stated customer happiness score (8.5/10, 2022) and employee happiness score (8.7/10) are core brand signals rather than financial disclosures. Revenue and profitability figures are not publicly disclosed.
YellowBellies firmographics
Firmographics- Name
- YellowBellies
- Legal name
- YellowBellies
- Website
- https://yellowbellies.nl
- Company type
- Private
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- YellowBellies is a privately-held Dutch outdoor-play childcare organization operating 12 locations in the Groene Hart region, serving 1,200+ children weekly through full-day daycare (KDV, ages 0–4) and after-school care (BSO, ages 4–13) structured around the Athletic Skills Model.
- Ownership category
- akta.pro rank
YellowBellies industry classification
Industry- Product category
- Childcare Services
- NAICS
- Child Care Services (62441), Child Care Services (624410)
- SIC
- Services-Child Day Care Services (8351)
- akta.pro primary industry
- Full-Day Childcare Centers (EDACAAAA)
- akta.pro secondary industries
- Extended Day Programs at Preschools & Childcare Centers (EDACAHAB), Holiday, Inset-Day & Break Coverage Programs (Early Years) (EDACAHAK)
Keywords
Where YellowBellies is headquartered
LocationHeadquarters
- HQ city
- Oudewater
- HQ country
- Netherlands
- HQ region
- Europe
Offices9 records
Markets served
YellowBellies business model
Business model- GTM type
- B2C
- Offering type
- Services
- Cost components
- Personnel, Infrastructure, Operations, Marketing or Sales, Technology or R&D
Revenue model
- Kinderdagverblijf (KDV) — Child Daycare Services: Full-day childcare services for children from 10 weeks to approximately 4 years old. Delivered at dedicated daycare locations (Oudewater Noord, Montfoort Noord) with indoor and extensive outdoor facilities. Parents pay regulated childcare fees under the Dutch childcare allowance system.
- Buitenschoolse Opvang (BSO) — After-School Care Services: After-school and holiday childcare for children aged 4–13. Delivered across 9 BSO locations in Oudewater, Montfoort, Woerden, Reeuwijk, Haastrecht, and Linschoten. Revenue is recurring via subscription contracts with parents, partially offset by government childcare allowances.
- Kinderfeestjes — Birthday Party Hosting: YellowBellies organizes themed outdoor/sporty birthday parties at its locations. Fee is €170 for up to 10 children, inclusive of program creation, drinks, snacks, professional guidance, a meal, and cleanup. Additional children charged at €16 per child. Plan B (indoor/sporthall) available for €25 extra.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Unit Pricing | Pay-as-you-go | Kinderfeestje — Birthday Party (up to 10 children) |
Go-to-market motion1 record
Distribution channels4 records
Marketing channels6 records
YellowBellies product offering
Product offeringCore offering
YellowBellies operates outdoor-play-focused childcare services in the Netherlands, providing full-day daycare (KDV) for children aged 10 weeks to 4 years and after-school and holiday care (BSO) for children aged 4 to 13 across 12 locations in the Groene Hart region. The program is structured around the Athletic Skills Model (ASM) and emphasizes outdoor activity, movement, and healthy lifestyle, with the BuitenKracht school partnership program and Kinderfeestje birthday party service as adjacent paid offerings.
Product overview
YellowBellies is a childcare organization operating as a unified outdoor-play-focused brand in the Groene Hart region of the Netherlands. Its core portfolio consists of two interconnected service lines: Buitenspeels kinderdagverblijf (KDV) — full-day childcare for children from 10 weeks to ~4 years — and Buitenspeelse opvang / Buitenschoolse opvang (BSO) — after-school and holiday care for children aged 4–12. Both services share a consistent philosophy of outdoor play as the default, movement-based learning, and healthy lifestyle, supported by the BuitenKracht school partnership program. A paid birthday party service (Kinderfeestje) extends the brand into event experiences. All locations operate under the same 'buitenspeelse' (outdoor play) identity, with the ASM (Athletic Skills Model) movement framework and the DoenKids activity platform underpinning the program across every location.
Differentiator
Problem solved
Functional benefit
Products and services
- Buitenspeels kinderdagverblijf (KDV) Full-day daycare service for children aged 10 weeks to approximately 4 years, operating 07:30 to 18:30 from dedicated locations (Oudewater Noord and Montfoort Noord), focused on outdoor play, natural environments, and age-appropriate activities including baby, toddler, and mixed-age groups. Parents enroll on recurring subscription terms under the Dutch childcare allowance system.
- Buitenspeelse opvang / Buitenschoolse opvang (BSO) After-school and holiday care service for children aged 4 to 13 years, open from school dismissal until 18:30 and from 07:30 to 18:30 during school holidays and study days, across 10 locations in Oudewater, Montfoort, Woerden, Reeuwijk, Haastrecht, and Linschoten. Emphasizes outdoor activities, sports, and structured movement-based programs. Parents enroll on recurring subscription contracts partially offset by government childcare allowances.
- BuitenKracht School partnership program that brings YellowBellies' outdoor-play approach directly into primary school settings, including active break-time supervision and structured movement activities during school hours at partner schools, for primary schools in the Groene Hart region.
- Kinderfeestje (Birthday Party Service) Organized 3-hour themed birthday party packages at YellowBellies locations for families, featuring a custom program designed with the birthday child, active sporty activities, healthy snacks and drinks, and professional supervision. Priced at €170 for up to 10 children, with €16 per additional child and an optional €25 Plan B indoor/sports-hall add-on for bad weather.
Quantifiable outcome
- Customer happiness score of 8.5/10 (125 respondents, 7 locations, 2022)
- +3 more outcomes
Companies that use YellowBellies
Customer profileNamed customers1 record
Segments3 records
Ideal customer profiles3 records
YellowBellies technology and API
TechnologyTechnology focussed No
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration1 record
Feature3 records
YellowBellies partnerships and signals
Strategic signalPartnerships
Six partnerships are on record, tiered core and minor.
- DoenKidscoreYellowBellies uses the DoenKids platform as a central tool for its pedagogical staff. The platform stores and shares YellowBellies-specific games and themed activities, alongside third-party movement games linked to the 10 ASM movement forms. DoenKids is used during onboarding of new staff and for ongoing training.
- ASM (Athletic Skills Model)coreYellowBellies has adopted the Athletic Skills Model (ASM) — a scientifically grounded movement framework based on 10 fundamental movement forms — as the pedagogical backbone of its physical activity program. ASM guides the design of all movement activities across all KDV and BSO locations.
- MBO RijnlandminorMBO Rijnland is one of the regional educational institutions near the Groene Hart that YellowBellies partners with for BBL (work-study) trainee programs. Students can pursue pedagogical or sport & movement qualifications through this institution.
- MBO UtrechtminorMBO Utrecht is one of the regional educational institutions that YellowBellies partners with for BBL (work-study) trainee programs, enabling students to earn qualifications in childcare or sport & movement while working at YellowBellies.
- ROC Midden NederlandminorROC Midden Nederland is one of the regional educational institutions that YellowBellies partners with for BBL (work-study) trainee programs, providing MBO-level qualifications in pedagogical work or sport & movement.
- Primary Schools in Groene Hart RegioncoreYellowBellies operates the 'BuitenKracht' program in partnership with primary schools in the Groene Hart region. BSO staff (Buitenspeelbazen) deliver active movement sessions at schools during breaks and gym time, allowing BSO staff to accumulate additional hours beyond regular after-school care and creating enrollment pipeline for BSO services. Schools include Mariaschool in Oudewater.
Scale indicators6 records
Recent moves7 records
Expansion highlights6 records
YellowBellies competitors and assessment
Company assessmentDirect peers
- Eigen & Wijzer: Independent Dutch childcare organization with multiple KDV and BSO locations. Closely comparable independent-operator model serving Dutch families with similar age range coverage.
- KinderRijk: Amsterdam-area childcare provider offering KDV and BSO. Direct peer with overlapping service lines and target customers (Dutch working parents), competing on similar regulated pricing and government subsidy framework.
Broad incumbents
- KidsFoundation: Major Dutch childcare organization with KDV and BSO services across multiple regions. Closely comparable core service offering (child daycare and after-school care) serving the same Dutch parent demographic.
- Smallsteps Kinderopvang: Multi-site Dutch childcare operator with KDV and BSO services. Comparable full-service childcare offering targeting Dutch working families under the same regulatory framework.
- Partou: Largest Dutch childcare provider operating KDV and BSO services nationally. Directly comparable childcare services and target customers (Dutch parents), but at national scale and without YellowBellies's specialized outdoor-play positioning.
- Blosse: Regional Dutch childcare provider operating KDV and BSO across North Holland. Comparable KDV/BSO service mix targeting Dutch families, similar operating model with multi-site management.
Regional players
- Nummereen Kinderopvang: Regional Dutch childcare provider in Friesland/Netherlands with KDV and BSO. Comparable regional operator with similar service portfolio and Dutch childcare allowance pricing model.
- Kind & Co Ludens: Regional Dutch childcare provider in the Utrecht/Hart van Brabant region offering KDV, BSO, and peuteropvang. Comparable services, regulatory framework, and target customers; operates in adjacent Dutch geography.
Market position
Strengths4 records
Weaknesses4 records
Competitive moat5 records
Key risks5 records
Key highlights6 records
Customer concentration
YellowBellies social profiles
Digital presenceYellowBellies financial estimates
Financial estimateRevenue estimate
Valuation estimate
YellowBellies leadership team
Management profileNumber of profiles
Profiles9 records
YellowBellies funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
YellowBellies M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about YellowBellies
What does YellowBellies do?
YellowBellies operates outdoor-play-focused childcare services in the Netherlands, providing full-day daycare (KDV) for children aged 10 weeks to 4 years and after-school and holiday care (BSO) for children aged 4 to 13 across 12 locations in the Groene Hart region. The program is structured around the Athletic Skills Model (ASM) and emphasizes outdoor activity, movement, and healthy lifestyle, with the BuitenKracht school partnership program and Kinderfeestje birthday party service as adjacent paid offerings.
Is YellowBellies a public or private company?
YellowBellies is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was YellowBellies founded?
YellowBellies was founded in -1. It employs 51 to 100 people.
Where is YellowBellies based?
YellowBellies is headquartered in Oudewater, Netherlands, in the Europe region.
How does YellowBellies make money?
Three revenue lines are on record. Kinderdagverblijf (KDV) — Child Daycare Services are the primary driver. The others are buitenschoolse Opvang (BSO) — After-School Care Services and kinderfeestjes — Birthday Party Hosting.
Who are YellowBellies's main competitors?
Direct peers on record are Eigen & Wijzer and KinderRijk. Broad incumbents are KidsFoundation, Smallsteps Kinderopvang, Partou and Blosse. Regional players are Nummereen Kinderopvang and Kind & Co Ludens.
Does YellowBellies have an API?
No public API is recorded for YellowBellies.
What industry is YellowBellies in?
YellowBellies's product category is Childcare Services. Its primary akta.pro industry code is EDACAAAA, Full-Day Childcare Centers, with a secondary code of EDACAHAB, Extended Day Programs at Preschools & Childcare Centers. Its NAICS code is 62441 and its SIC code is 8351.