SLIM Personeelsbemiddeling

What SLIM Personeelsbemiddeling does

SLIM Personeelsbemiddeling B.V. is a privately held Dutch staffing intermediary founded in 2009 (originating as a 2008 graduation project by Boukje Veldman - van der Veen) and headquartered in Groningen. The company operates as a broker — not an employment agency — connecting substitute teachers with primary education schools and school boards (besturen) across six provinces in Northern and Central Netherlands (Groningen, Friesland, Drenthe, Flevoland, Overijssel, and Gelderland). Substitutes are employed directly by the school boards, while SLIM generates revenue through recurring service fees for matching, pool management, and administrative support, supplemented by transaction-based pricing for Themadagen (themed lesson days priced €375–€490) and licensing/workshop revenue from the SLIMOnderwijs professional development platform built in partnership with Edupos.

The company's core technology is SLIM-Online Bemiddelplatform, a proprietary digital matching platform purpose-built for primary education replacement workflows. It automates candidate-to-assignment matching based on preferences, rules, and exceptions; provides separate logins for schools, boards, and substitutes; supports self-service ('shopping') for substitutes; and includes a dedicated module for coordinating joint replacement pools at the board level. The platform handles volume at scale, with the company reporting 'hundreds of substitutes' matched to replacement positions daily.

SLIM's go-to-market combines relationship-based direct outreach to school directors with a free, open registration funnel for substitutes, supported by an active social media presence (LinkedIn, Facebook, Instagram) and word-of-mouth referral within the education sector. The team of approximately 12 staff includes brokers, a contact person, office management, and support functions. The business is bootstrapped with no external funding rounds, no institutional investors, and no disclosed parent or holding structure.

Name

SLIM Personeelsbemiddeling

Legal name

SLIM Personeelsbemiddeling B.V.

Website

https://slim-online.nl

Company type

Private

Founded year

2009

Operating status

Operating

Headcount range

11–50 employees

Short description

SLIM Personeelsbemiddeling is a Dutch broker that matches substitute teachers with primary education schools and school boards across six Northern and Central Netherlands provinces via its proprietary SLIM-Online platform, without employing substitutes directly.

Ownership category

akta.pro rank

Product category

Education Staffing Services

NAICS

Employment Placement Agencies (561311)

SIC

Services-Employment Agencies (7361)

akta.pro primary industry

Staffing, HR, Credentialing & Substitute Management (EDAJAHAH)

akta.pro secondary industry

Education Direct Hire (Teachers/Administrators) (BPACAFAI)

Keywords

• Teacher staffing services
• Substitute teacher placement
• Primary education staffing
• Teacher matching platform
• Education recruitment services

Headquarters

HQ city

Groningen

HQ country

Netherlands

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Services

Cost components

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

Revenue model

1. Substitute Teacher Placement & Matching: SLIM matches substitute teachers with replacement requests from schools and school boards. The company operates as a broker rather than an employment agency — substitutes are employed directly by school boards, not by SLIM. Revenue is generated through service fees charged to school boards for matching, pool management, and administrative support. SLIM does not charge substitutes any fees or restrictive conditions.
2. Themadagen (Theme Days): SLIM arranges fully organized thematic days for schools, where specialists, teachers, or experienced professionals deliver themed lessons (e.g., Sports & Movement, Art & Culture, History, Digital Skills, Citizenship, Theatre, Biology, Nutrition). These are booked by schools through SLIM. Pricing ranges from €375 to €490 per theme day, with regional availability.
3. SLIMOnderwijs (Professional Development): A collaboration between Edupos and SLIM, offering a platform for workshops, inspiration licenses, and training for primary education. Revenue from workshop and license fees, available at reduced rates for SLIM-registered substitutes.

Pricing tiers

Go-to-market motion3 records

Distribution channels3 records

Marketing channels5 records

Core offering

SLIM Personeelsbemiddeling operates as an intermediary broker that matches substitute teachers (vervangers/invallers) with replacement requests from primary schools and school boards in Northern and Central Netherlands. Substitutes are employed directly by the school boards rather than by SLIM; the company charges school boards service fees for matching, replacement pool management, and administrative support via its proprietary SLIM-Online platform.

Product overview

SLIM Personeelsbemiddeling operates a unified staffing and matching service for Dutch primary education, comprising two core offerings: the SLIM-Online Bemiddelplatform (a proprietary digital matching system) and the Themadagen (themed educational days). SLIM-Online automates the matching of replacement teachers to school substitution requests, with built-in pool management features. Themadagen provides supplementary themed curriculum days in subjects like sports, arts, history, digital skills, and more. The company also offers SLIMOnderwijs for teacher professional development. SLIM positions itself as a non-agency intermediary — substitutes are employed by school boards directly, not by SLIM.

Differentiator

Problem solved

Functional benefit

Products and services

• SLIM Personeelsbemiddeling Staffing & Brokerage Service The core non-agency broker service that matches substitute teachers (vervangers/invallers) with primary education schools and school boards across Groningen, Friesland, Drenthe, Flevoland, Overijssel, and Gelderland. Substitutes are employed directly by school boards rather than by SLIM, and the service covers short-term substitute assignments, long-term placements, and joint replacement pool functions.
• SLIM-Online Bemiddelplatform (Placement Platform) Proprietary digital matching platform that automates the calculation of which substitute teachers can be deployed for which replacement assignments, including preference, rule, and exception handling. Provides dedicated logins for schools, school boards, and substitutes, and includes a joint replacement pool management module for board-level and school-level pool administration. Substitutes can independently browse and sign up for assignments, manage availability, submit expense claims, and securely share documents via their own account.
• Themadagen (Themed Lesson Days) Fully organized thematic lesson days delivered on-site at primary schools by specialist teachers or experienced professionals. Available themes include Sport & Movement, Art & Culture, History, DigiDagen (Digital Skills), Citizenship, Theatre, Biology, and Nutrition. Booked by schools through SLIM with per-day pricing ranging from €375 to €490 depending on theme and region; some are also available ad hoc within 48 hours.
• SLIMOnderwijs (Professional Development Platform) Joint professional development platform operated in partnership with Edupos, offering workshops, inspiration licenses, and a Digital Workshop format for primary education teachers. Available at reduced rates for substitutes registered with SLIM, providing an additional service layer to the core staffing offering.

Quantifiable outcome

• Hundreds of substitutes matched to replacement positions daily

Named customers4 records

Segments2 records

Ideal customer profiles2 records

Technology focussed No

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Feature3 records

Partnerships

One partnership is on record.

• EduposcoreStrategic or Co-development PartnerSLIMOnderwijs is a joint initiative between Edupos (Hanneke Oosting) and SLIM (Boukje Veldman), offering workshops, inspiration licenses, and professional development for primary education teachers. The platform features a Digital Workshop format with specific duration, guidance, and organization. Edupos brings educational expertise while SLIM brings its network of substitutes and schools.

Scale indicators4 records

Recent moves7 records

Expansion highlights5 records

Broad incumbents

• Start People: Dutch staffing provider with education placement among its verticals. Comparable on substitute/teacher placement as part of a broader staffing catalog.
• Adecco Nederland: Global staffing firm with Dutch education staffing services, including substitute teachers. Larger and broader than SLIM, serving all industries; education is one of multiple verticals.
• Olympia: Dutch generalist staffing company with education services. Overlaps with SLIM in substitute teacher placement but extends across many other sectors and roles.
• Randstad Nederland (Onderwijs): Global staffing leader with a Dutch education division covering primary, secondary, and special education teacher staffing. Broader portfolio than SLIM but overlapping substitutes/teacher placement offering.
• Tempo-Team Nederland (Onderwijs): Major Dutch generalist staffing firm (part of Adecco) with an active education division placing teachers and substitutes. Comparable on substitute placement but operates at much larger scale and breadth.

Direct peers

• Maandag®: One of the largest Dutch education-focused staffing brands, matching teachers (including substitutes) to primary, secondary, and special education roles across the Netherlands. Most direct competitor to SLIM given shared primary-education focus and Dutch geography.
• Driessen: Dutch staffing and HR-services specialist with deep roots in education and government (semi-)public sector intermediation. Comparable to SLIM in serving school boards and managing substitute/pool arrangements, though broader in vertical scope.
• Lesly Detachering: Dutch education-focused staffing/detachering firm placing teachers (including substitutes) in primary and secondary schools. Comparable substitute-matching service for Dutch K-12 schools.
• Teacherbird: Dutch online two-sided marketplace for substitute teachers and schools. Directly comparable to SLIM-Online on the technology/marketplace angle, though more tech-led and less regional-broker dependent.

Others

• Edupòs: Existing strategic partner of SLIM (co-developing SLIMOnderwijs), Edupòs provides educational expertise and workshop content. Comparability is via the professional-development angle rather than substitute matching.

Market position

Strengths5 records

Weaknesses5 records

Competitive moat6 records

Key risks6 records

Key highlights7 records

Customer concentration

• Xtwitter.com/slimpersoneelsbemiddeling
• Facebookfacebook.com/SLIMPersoneelsbemiddeling
• LinkedInlinkedin.com/company/slim-personeelsbemiddeling-b.v.
• Instagraminstagram.com/slimpersoneelsbemiddeling

Revenue estimate

Valuation estimate

Number of profiles

Profiles5 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 SLIM Personeelsbemiddeling