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Visit oslotk.noAbout Oslo Tennisklubb
Tennisklubb.. Drift av idrettsanlegg
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar sports & recreation in NorwayConcerns
· None foundGiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
From what GiveRadar has verified so far, Oslo Tennisklubb has a substantially complete profile.
- GiveRadar has verified financial records for only 3% of sports & recreation charities in Norway, and this is one of them. See national comparisons
- Established in 1900, it is among the oldest sports & recreation charities in Norway GiveRadar tracks. View this cohort
- Its integrity score of 71 places it in the top 2% of the 15,631 sports & recreation charities in Norway GiveRadar tracks, because GiveRadar has verified its financial disclosures and its registration. View this cohort
- government registration
- financial records
- disclosed leadership
- a website
- a contact email
- a donation page
- third-party accreditation
- an owner-submitted profile claim
Analysis based on GiveRadar's benchmark dataset of 2026-07-27. It describes what GiveRadar has verified, not a judgment of the organization itself.
Common questions
· Auto-generated from filings + methodologyOslo Tennisklubb is a registered sports & recreation nonprofit based in Oslo, Norway. It is registered with the Brønnøysund Register Centre. It was founded in 1900 and has been operating for 126 years. Its registration number is 971437146. GiveRadar's Integrity Assessment for the organization is 71/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports NOK 137M in annual revenue. 8 officers and directors are publicly disclosed. No red flags have been detected.
Oslo Tennisklubb's official registration number is 971437146, as recorded in the national registry of Norway.
Oslo Tennisklubb has a GiveRadar Integrity Assessment of 71/100. 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 71 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. For comparison, the average integrity assessment for sports & recreation charities in Norway is 86/100.
Oslo Tennisklubb is located in Oslo, Norway. The organization was established in 1900 and has been active for 126 years.
Based on official tax filings, Oslo Tennisklubb has NOK 137M in annual revenue. Its revenue is significantly above the peer average of NOK 25M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Oslo Tennisklubb is classified as a Sports & Recreation organization, registered in Norway. It operates as a Forening/lag/innretning. By size, it is categorized as a very-large organization. It has NOK 137M in annual revenue. The organization has 8 disclosed officers and directors.
No red flags have been detected for Oslo Tennisklubb. 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.
According to GiveRadar's records, Oslo Tennisklubb is registered with the Brønnøysund Register Centre and overseen by the Lotteri- og stiftelsestilsynet. GiveRadar provides data for research and does not endorse any organization. A GiveRadar Integrity Assessment reflects how much public data is available, not whether an organization is safe to donate to, so it is always smart to do your own research before giving.
Among sports & recreation charities registered in Norway: Its annual revenue of NOK 137M is well above the peer average of NOK 25M.
Oslo Tennisklubb is registered in Norway. Donations of at least 500 NOK (up to 50,000 NOK per year) to approved Norwegian nonprofits are tax-deductible. The organization must be registered in the Volunteer Register and report donations to the Norwegian Tax Administration.
Filing history
1 year on file from no_brreg (FY2023): revenue, expenses, program spending, assets, and liabilities by fiscal year.
See 5 years of revenue, expense breakdowns, and balance sheet.
Sign up to viewTaxes
Tax-deductibility for donors
Donations may be tax-deductible for residents of Norway under local rules. Confirm with the charity directly.
OSLO TENNISKLUBB is in Norway (EU/EEA). Dutch donors may be eligible for deductibility if the charity is recognized under the Dutch ANBI cross-EU equivalence rules. Check the Belastingdienst ANBI register or consult a Dutch tax advisor.
OSLO TENNISKLUBB is registered in Norway. 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.
Staff & volunteers
From filings and published profiles
Leadership
From FY2023 filing
Officers & trustees (8)
Source: Public filings
8 officers and trustees on file - free with a GiveRadar account.
Latest news
From global news sources
3 articles found
From news sources and the organization. Shown for transparency; news never affects the integrity score.
Activity timeline
Filings and press mentions, merged
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Sign up to write a reviewCause areas in Norway
How many charities work in each area, with this charity's area highlighted.
Most common causes in Norway
Causes charities work on most.
Sources and verification
- Registration and legal identity
- Brønnøysund Register Centre
- Financial filings
- Brønnøysund Register Centre - Fiscal year 2023 most recent on file.
- Officers and trustees
- Brønnøysund Register Centre - 8 disclosed in the public registry.
- News and media coverage
- GDELT Project + Google News
Data freshness
What we know and don't know
Exactly which public data we hold on this charity. Our score reflects transparency, not impact.
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Financial data · FY2023 on record
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Named leadership · 8 officers on file
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Government registration · Registered with an official registry
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Official website · On record
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Headquarters address · On file
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Direct contact · Email or phone published
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Founding date · 1900
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Executive payTop-officer pay not disclosed
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Mission statementNo self-published statement of purpose
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Programs & activitiesNo named programs listed by the charity
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Tax-deductibilityNot verified
Methodology
GiveRadar builds each profile primarily from official government charity registries, supplemented where available by third-party nonprofit databases and news archives, and combines it into a single 0-100 integrity assessment. The exact sources for this charity are listed above. We don't take a cut of any donation, ever.
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Quick facts about Oslo Tennisklubb
- What is Oslo Tennisklubb?
- Oslo Tennisklubb is a sports & recreation association based in Oslo, Norway. Tennisklubb.. Drift av idrettsanlegg
- When was Oslo Tennisklubb founded?
- Oslo Tennisklubb was founded in 1900.
- Who leads Oslo Tennisklubb?
- Reidar Nilsen.
- Where is Oslo Tennisklubb located?
- Headquartered in Oslo, Norway.
- What is Oslo Tennisklubb's annual budget?
- Annual revenue for fiscal year 2023 is approximately NOK 100M-NOK 1B.
- Is Oslo Tennisklubb trustworthy?
- Oslo Tennisklubb has a GiveRadar Integrity Assessment of 71 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 Oslo Tennisklubb's registration number?
- Registration: 971437146 (Norway).
- What is Oslo Tennisklubb's website?
- https://oslotk.no
- Are donations to Oslo Tennisklubb tax-deductible?
- Donations may be tax-deductible for residents of Norway 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.