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Trondheim Symfoniorkester & Opera Sti

Trondheim Reg: 971434023 (Brønnøysund) Sign up to see website
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76
Integrity Assessment
Strong transparency
76/100 · methodology

About Trondheim Symfoniorkester & Opera Sti

Performing symphonic, chamber music, etc. at a high artistic level, thus contributing to the promotion and development of general interest in music both nationally and internationally.

Å fremføre symfonisk musikk, kammermusikk, m.v. på et høyt. kunstnerisk nivå, og derved bidra til å fremme og utvikle den almenne. interesse for musikk både nasjonalt og internasjonalt.. Utøvende kunstnerisk virksomhet og underholdnings­virksomhet innenfor musikk

Translated from Norwegian by GiveRadar.

Founded
Headquarters
Trondheim
Foundation type
Foundation (Stiftelse)
Size
very-large

Focus areas & reach

· What they work on and where

How it stacks up against peers

· vs. 8 similar arts & culture in Norway
Integrity Assessment This charity: 76
Peer average: 86

Concerns

· None found
No red flags found
Screened for Brønnøysund register suspension, Open investigations, Governance scandals, Related-party deals, Excessive exec comp.

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

Based on the records currently verified by GiveRadar, Trondheim Symfoniorkester & Opera Sti has a substantially complete profile, cross-referenced across 3 independent sources.

  • GiveRadar has verified financial records for only 6% of arts & culture charities in Norway, and this is one of them. See national comparisons
  • Established in 1970, it predates 82% of the arts & culture charities in Norway GiveRadar has a founding year for. View this cohort
  • Its integrity score of 76 places it in the top 1% of the 9,213 arts & culture charities in Norway GiveRadar tracks, because GiveRadar has verified its financial disclosures and its registration. View this cohort
GiveRadar has verified
  • government registration
  • financial records
  • disclosed leadership
  • a website
  • a contact email
Not yet verified by GiveRadar
  • a donation page
  • third-party accreditation
  • an owner-submitted profile claim

Analysis based on GiveRadar's benchmark dataset of 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.

Common questions

· Auto-generated from filings + methodology

Trondheim Symfoniorkester & Opera Sti is a registered arts & culture nonprofit based in Trondheim, Norway. It is registered with the Brønnøysund Register Centre. It was founded in 1970 and has been operating for 56 years. Its registration number is 971434023. GiveRadar's Integrity Assessment for the organization is 76/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports NOK 169M in annual revenue. 12 officers and directors are publicly disclosed. No red flags have been detected.

Trondheim Symfoniorkester & Opera Sti's official registration number is 971434023, as recorded in the national registry of Norway.

Trondheim Symfoniorkester & Opera Sti 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. For comparison, the average integrity assessment for arts & culture charities in Norway is 86/100.

Trondheim Symfoniorkester & Opera Sti is located in Trondheim, Norway. The organization was established in 1970 and has been active for 56 years.

Based on official tax filings, Trondheim Symfoniorkester & Opera Sti has NOK 169M in annual revenue. Its revenue is significantly above the peer average of NOK 14M. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Trondheim Symfoniorkester & Opera Sti is classified as an Arts & Culture organization, registered in Norway. It operates as a Stiftelse. By size, it is categorized as a very-large organization. It has NOK 169M in annual revenue. The organization has 12 disclosed officers and directors.

No red flags have been detected for Trondheim Symfoniorkester & Opera Sti. 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, Trondheim Symfoniorkester & Opera Sti 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.

Performing symphonic, chamber music, etc. at a high artistic level, thus contributing to the promotion and development of general interest in music both nationally and internationally. Trondheim Symfoniorkester & Opera Sti is classified as an arts & culture organization registered in Norway. The organization was founded in 1970.

Among arts & culture charities registered in Norway: Its annual revenue of NOK 169M is well above the peer average of NOK 14M.

Trondheim Symfoniorkester & Opera Sti 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.

Annual revenue
NOK 100M-NOK 1B
Source: no_brreg (FY2024) why this matters
Unlock exact figures

Filing history

1 year on file from no_brreg (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024.
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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of Norway under local rules. Confirm with the charity directly.

Always confirm tax treatment with the charity directly or your tax advisor before donating.

Staff & volunteers

From filings and published profiles

Employees
116

Leadership

From FY2024 filing

AN
Anne K••••••• S•••••••

Officers & trustees (12)

Source: Public filings

See full names, roles, and stories

12 officers and trustees on file - free with a GiveRadar account.

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Latest news

From global news sources

No recent news coverage found

News coverage will appear here when articles mention this organization.

Activity timeline

Filings and press mentions, merged

Form filed
NOK 168.6M revenue
FY2024
NO_BRREG

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Cause areas in Norway

How many charities work in each area, with this charity's area highlighted.

Community Development 101,326
Sports & Recreation 15,631
Arts & Culture this charity 9,213
Social Services 4,831
Education 1,956
Health 148
See all cause areas in Norway

Most common causes in Norway

Causes charities work on most.

Veterans 637
Cancer 549
Disability 337
Health 152
HIV/AIDS 49
Peace 45
Sanitation 39
Orphans 24

Sources and verification

Registration and legal identity
Brønnøysund Register Centre
Financial filings
Brønnøysund Register Centre - Fiscal year 2024 most recent on file.
Officers and trustees
Brønnøysund Register Centre - 12 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
Wikidata structured data

Data freshness

Last updated
Apr 21, 2026
Registry checked
Apr 1, 2026
Profile completeness
65%

What we know and don't know

Exactly which public data we hold on this charity. Our score reflects transparency, not impact.

On record · 7
  • Financial data · FY2024 on record
  • Named leadership · 12 officers on file
  • Government registration · Registered with an official registry
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Founding date · 1970
Not available · 4
  • Executive pay
    Top-officer pay not disclosed
  • Mission statement
    No self-published statement of purpose
  • Programs & activities
    No named programs listed by the charity
  • Tax-deductibility
    Not 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.

Read full methodology

Are you the owner or a board member?

If you represent this organization and want to correct or update its data, you can claim this listing to edit details yourself, or email [email protected] with the correct information. We review every request and respond within 30 days.

Quick facts about Trondheim Symfoniorkester & Opera Sti

What is Trondheim Symfoniorkester & Opera Sti?
Trondheim Symfoniorkester & Opera Sti is a arts & culture foundation based in Trondheim, Norway. Performing symphonic, chamber music, etc. at a high artistic level, thus contributing to the promotion and development of general interest in music both nationally and internationally.
When was Trondheim Symfoniorkester & Opera Sti founded?
Trondheim Symfoniorkester & Opera Sti was founded in 1970.
Who leads Trondheim Symfoniorkester & Opera Sti?
Anne Kathrine Slungård.
Where is Trondheim Symfoniorkester & Opera Sti located?
Headquartered in Trondheim, Norway.
What is Trondheim Symfoniorkester & Opera Sti's annual budget?
Annual revenue for fiscal year 2024 is approximately NOK 100M-NOK 1B.
Is Trondheim Symfoniorkester & Opera Sti trustworthy?
Trondheim Symfoniorkester & Opera Sti 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 Trondheim Symfoniorkester & Opera Sti's registration number?
Registration: 971434023 (Norway).
What is Trondheim Symfoniorkester & Opera Sti's website?
https://www.tso.no
Are donations to Trondheim Symfoniorkester & Opera Sti 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.