Stichting Improve
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Stichting Improve makes people laugh again without pain. With your help we build clinics, train local care providers and make oral care accessible sustainably.
Stichting Improve zorgt dat mensen weer kunnen lachen zonder pijn. Met jouw hulp bouwen we klinieken, leiden we lokale zorgverleners op en maken we mondzorg duurzaam toegankelijk. Mondzorg voor iedereen.
Translated from Dutch by GiveRadar.
Verified certifications
Confirmed against the issuing authority - not self-reported.
Mission
Stichting Improve heeft als missie om duurzame en toegankelijke mondzorg te realiseren voor mensen die daar momenteel geen toegang toe hebben, door het opzetten en ondersteunen van lokale klinieken, het opleiden van zorgprofessionals en het bevorderen van preventie en bewustwording.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar health in NetherlandsRed flags
· All clearWhere every €1 goes
Common questions
· Auto-generated from filings + methodologyStichting Improve is a registered health nonprofit based in Ede, Gelderland, Netherlands. It is registered with the Kamer van Koophandel (KVK). It was founded in 2020 and has been operating for 6 years. Its registration number is 862192523. It has a GiveRadar Integrity Assessment of 76/100 (Strong transparency), indicating well-documented governance, financials, and contact details. This is above the average of 71/100 for health charities in Netherlands. The organization reports €114K in annual revenue. 5 officers and directors are publicly disclosed. No red flags have been detected.
Stichting Improve has a GiveRadar Integrity Assessment of 76/100. This score combines five components: Registration (20 pts), Financial Transparency (30 pts), Governance (20 pts), Contact Availability (10 pts), and Data Recency (20 pts), with negative adjustments for any red flags. A score of 76 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 92% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for health charities in Netherlands is 71/100.
Stichting Improve is located in Ede, Gelderland, Netherlands. The organization was established in 2020 and has been active for 6 years.
Based on official tax filings, Stichting Improve has €114K in annual revenue. It allocates 92% of expenses to programs and services. This is in line with the average of 89% for health charities in Netherlands. Administrative costs account for 1% of expenses. Fundraising costs represent 8%. Its revenue is below the peer average of €11M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Stichting Improve is classified as a Health organization, registered in Netherlands. It operates as a Stichting. By size, it is categorized as a small organization. It has €114K in annual revenue. The organization has 5 disclosed officers and directors.
No red flags have been detected for Stichting Improve. GiveRadar automatically screens charities for concerning patterns including high executive compensation, low program spending, and missing financial filings. Based on available official data, no issues have been identified.
Stichting Improve has a GiveRadar Integrity Assessment of 76/100 (Strong transparency) and no red flags have been detected, which suggests it is a well-documented organization. It is regulated by the Dutch Tax Authority (Belastingdienst). 92% of expenses go to programs. The peer average is 89%. You can donate directly through their official donation page linked on their GiveRadar profile. GiveRadar provides data for research purposes and does not endorse any organization. Always do your own due diligence.
Stichting Improve makes people laugh again without pain. With your help we build clinics, train local care providers and make oral care accessible sustainably. Stichting Improve is classified as a health organization registered in Netherlands. The organization was founded in 2020.
Among health charities registered in Netherlands: Stichting Improve's GiveRadar Integrity Assessment of 76/100 is above the peer average of 71/100. It allocates 92% of expenses to programs, in line with the peer average of 89%. Its annual revenue of €114K is below the peer average of €11M.
Stichting Improve is registered in the Netherlands. Stichting Improve has ANBI (Algemeen Nut Beogende Instelling) status, so donations are tax-deductible. You can deduct gifts that exceed 1% of your threshold income (minimum 60 euros). Periodic gifts (committed for 5+ years) are fully deductible without threshold.
Stichting Improve is a Dutch foundation (stichting) - the most common legal form for charities and public-benefit organisations in the Netherlands. A stichting has no members, is governed by a board, and is established by notarial deed for a specific purpose. It is the only Dutch legal form that can hold ANBI (public-benefit) status without member oversight. There are about 250,000 stichtingen on file at the Dutch Chamber of Commerce (KvK), of which roughly 50,000 hold ANBI status with the Belastingdienst. It is registered with the Kamer van Koophandel (KvK), the Dutch Chamber of Commerce, with RSIN 862192523.
You can verify Stichting Improve's legal status in three ways. First, look up the RSIN directly on the Belastingdienst ANBI register: https://www.belastingdienst.nl/wps/wcm/connect/nl/aftrek-en-kortingen/content/anbi-status-controleren and enter 862192523. The result page confirms whether the organisation currently holds ANBI status - a prerequisite for tax-deductible donations in the Netherlands. Second, search the Kamer van Koophandel public registry at https://www.kvk.nl/zoeken/ - the KvK record shows the legal form (Stichting / Vereniging / Coöperatie), registered address, board composition (where disclosed), and the date of incorporation. Third, every ANBI is legally required by the publicatieplicht to publish on its own website: the policy plan, financial statements, an overview of activities, board composition, and remuneration policy. A working ANBI page with current financials is the strongest signal of legitimacy beyond the registry. If all three sources agree on name, address and ANBI status, the organisation is legitimate.
You can donate to Stichting Improve directly through its donation page (https://stichtingimprove.nl/doneren-aan-stichting-improve/). Dutch charities typically accept iDEAL (the standard Dutch online-banking payment method), Tikkie payment requests, Bancontact for cross-border donors, SEPA bank transfer to the organisation's IBAN (account numbers starting with NL), and online payment processors (Mollie, Stripe). Many larger Dutch charities use platforms like Geef.nl, GeefSamen, Kentaa, and Pifworld for online fundraising. International donors can give via SEPA (the Netherlands is in the eurozone, so intra-EU transfers are cheap), PayPal, or GlobalGiving. For donations to count as a 'periodieke gift' - fully tax-deductible without a threshold - a written agreement (overeenkomst periodieke gift) committing for at least five years is required. Always confirm the recipient's RSIN and ANBI status before sending funds intended for the tax deduction.
Stichting Improve carries the CBF-Erkend Goed Doel label - the Dutch quality seal awarded by the Centraal Bureau Fondsenwerving (CBF). To qualify, a charity passes a three-yearly independent audit covering governance (separation of board, oversight, and management), financial transparency (audited annual accounts, clear expense breakdown), effective use of donations, responsible fundraising practices, and a working complaints procedure. You can read the public 'CBF-paspoort' for Stichting Improve here: https://cbf.nl/organisaties/8886. The passport shows the most recent audit outcome and the headline financial ratios.
As an ANBI, Stichting Improve is legally required to publish the following information on its own website, free of charge and without a login (the 'publicatieplicht' obligation under Uitvoeringsregeling AWR 1994 art. 1a): the policy plan, an overview of the past year's activities, the financial statements (balance sheet, profit-and-loss, explanatory notes), board composition with names, and the remuneration policy for directors and key staff. Larger ANBIs (turnover above €50,000) must also publish a fuller financial report using the Belastingdienst's standard ANBI publication form. If you cannot find these documents on the organisation's website, that is a red flag worth raising with the board before donating.
Stichting Improve is based in Ede, in Gelderland, the eastern province around Arnhem and Nijmegen. The Netherlands has 12 provinces. Many Dutch charities work province-wide or nationally, and ANBI status is granted at the national level - the organisation can solicit donations and issue fiscal-deductibility statements anywhere in the country.
Verified against 4 official sources, last refreshed .
Filing history
1 year on file from cbf (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
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Tax-deductibility for donors
NL donations to Stichting Improve are tax-deductible only if the charity holds an active ANBI registration (Algemeen Nut Beogende Instelling). Check the charity's ANBI status before claiming a deduction.
Stichting Improve is registered in Netherlands. US donors generally cannot deduct gifts to non-US charities directly. To claim a deduction, route the gift through a US 'Friends of' fiscal sponsor or a donor-advised fund that performs equivalency determination (IRS Rev. Proc. 92-94).
Always confirm tax treatment with the charity directly or your tax advisor before donating.
Leadership
Officers & trustees (5)
Source: Charity-submitted
Latest news
From global news sources
7 articles found
From global news sources
Sentiment
NeutralZet je je in voor het goede doel? De KNMT steunt je graag - KNMT
Edese Marijke Westerduin verkozen tot tandarts van het jaar 2025: ‘Bevoorrechte positie in Nederland’ - EdeStad.nl
Marijke (40) beleefde als tandarts in Afrika onvergetelijke momenten: ’Waar een ontstoken kies al toe kan leiden’ - De Telegraaf
De Tandarts van het Jaar komt uit Ede: 'Waren operaties die levens veranderden' - Omroep Gelderland
Tandarts Marijke Westerduin: ‘Keer op keer besef ik hoe bevoorrecht we zijn’ - Arts en Auto
De vrijwilligersestafette - NTVT - Nederlands Tijdschrift voor Tandheelkunde
Een nieuw land, nieuwe collega’s, andere taken en een extra kliniek - NTVT - Nederlands Tijdschrift voor Tandheelkunde
Activity timeline
Filings and press mentions, merged
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Other health in Netherlands, by integrity assessment
Sources and verification
Refreshed
- Registration and legal identity
- Belastingdienst (Dutch Tax Authority) and KVK
- Financial filings
- Belastingdienst ANBI publication standard - Fiscal year 2024 most recent on file.
- Officers and trustees
- Belastingdienst (Dutch Tax Authority) and KVK - 5 disclosed in the public registry.
- News and media coverage
- GDELT Project + Google News
Data freshness
What we don't know
Honest gaps - our score reflects transparency, not impact
Methodology
GiveRadar combines public registry filings, ProPublica Nonprofit Explorer, Charity Navigator, GuideStar, and news archives into a single 0-100 integrity assessment. We don't take a cut of any donation, ever.
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Quick facts about Stichting Improve
- What is Stichting Improve?
- Stichting Improve is a health foundation based in Ede, Netherlands. Stichting Improve makes people laugh again without pain. With your help we build clinics, train local care providers and make oral care accessible sustainably.
- When was Stichting Improve founded?
- Stichting Improve was founded in 2020.
- Who leads Stichting Improve?
- H.K. Westerduin serves as CEO.
- Where is Stichting Improve located?
- Headquartered in Ede, Netherlands. The charity operates in 5 countries.
- What is Stichting Improve's annual budget?
- Annual revenue for fiscal year 2024 is approximately €100K-€1M. 92% of expenses go to program services.
- Is Stichting Improve trustworthy?
- Stichting Improve has a GiveRadar Integrity Assessment of 76 out of 100 (Strong transparency). The score reflects public-data transparency: registration, financial disclosure, governance, contact details, and how recently data was refreshed. It does not measure program impact.
- What is Stichting Improve's registration number?
- Registration: 862192523 (Netherlands).
- What is Stichting Improve's website?
- https://www.stichtingimprove.nl
- Are donations to Stichting Improve tax-deductible?
- Donations may be tax-deductible for residents of Netherlands under local rules. US donors should check whether the charity has an equivalency-determination letter or a US-based fiscal sponsor before claiming a deduction.