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Visit tamsa.com.mxAbout Tamsa, Ac
Collaborate, Contribute to all Class of Works or Initiatives of Educational Car-Cter, Scientific, Cultural, etc.
Colaborar, Contribuir en toda Clase de Obras o Iniciativas de Car-Cter Educacional, Científico, Cultural, etc.
Translated from Spanish by GiveRadar.
Focus areas & reach
· What they work on and whereHow it stacks up against peers
· vs. 8 similar community development in MexicoConcerns
· None foundWhere every MX$1 goes
· FY2024 · mx_sat (FY2024)GiveRadar Analysis
Original analysis from GiveRadar's dataset of comparable organizations
Based on the records currently verified by GiveRadar, Tamsa, Ac has a substantially complete profile.
- Established in 2003, it predates 94% of the community development charities in Mexico GiveRadar has a founding year for. View this cohort
- By reported annual revenue, it is larger than 77% of the 892 community development charities in Mexico with financial records on GiveRadar. See the filings
- GiveRadar's profile for Tamsa, Ac draws on its financial disclosures and its governance, in line with the typical community development charities in Mexico it tracks. 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 2026-07-03. It describes what GiveRadar has verified, not a judgment of the organization itself.
Common questions
· Auto-generated from filings + methodologyTamsa, Ac is a registered community development nonprofit in Mexico. It is registered with the SAT (Servicio de Administracion Tributaria). It was founded in 2003 and has been operating for 23 years. Its registration number is TAM960725HE1. GiveRadar's Integrity Assessment for the organization is 69/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $40M in annual revenue. No red flags have been detected.
Tamsa, Ac's official registration number is TAM960725HE1, as recorded in the national registry of Mexico.
Tamsa, Ac has a GiveRadar Integrity Assessment of 69/100. 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 69 ('Partial transparency') means some public data is on file but key signals are missing - worth a closer look before donating. The charity allocates 81% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for community development charities in Mexico is 77/100.
Tamsa, Ac is based in Veracruz de Ignacio de la Llave, Mexico. The organization was established in 2003 and has been active for 23 years.
Based on official tax filings, Tamsa, Ac has $40M in annual revenue. It allocates 81% of expenses to programs and services. This is above the average of 61% for community development charities in Mexico. Administrative costs account for 1% of expenses. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.
Tamsa, Ac is classified as a Community Development organization, registered in Mexico. It operates as an Apoyo a donatarias. By size, it is categorized as a large organization. It has $40M in annual revenue.
No red flags have been detected for Tamsa, Ac. 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, Tamsa, Ac is registered with the SAT (Servicio de Administracion Tributaria) and overseen by SAT. It reports that 81% of expenses go to programs (the peer average is 61%). 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.
Collaborate, Contribute to all Class of Works or Initiatives of Educational Car-Cter, Scientific, Cultural, etc. Tamsa, Ac is classified as a community development organization registered in Mexico. The organization was founded in 2003.
Among community development charities registered in Mexico: It allocates 81% of expenses to programs, above the peer average of 61%. Its annual revenue of $40M is comparable to the peer average of $39M.
Tamsa, Ac is registered in Mexico. Donations to authorized donees (donatarias autorizadas) are tax-deductible up to 7% of your previous year's taxable income. The organization must be listed on SAT's official registry of authorized donees.
Filing history
1 year on file from mx_sat (FY2024): 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 Mexico under local rules. Confirm with the charity directly.
Tamsa, Ac is registered in Mexico. Donations from the Netherlands to charities outside the EU/EEA are generally not tax-deductible for Dutch donors unless the charity is listed on the Dutch ANBI register with foreign-recognized status.
Tamsa, Ac is registered in Mexico. 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
From FY2024 filing
Officers & trustees (1)
Source: Public filings
1 officers and trustees on file - free with a GiveRadar account.
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
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Sign up to write a reviewCause areas in Mexico
How many charities work in each area, with this charity's area highlighted.
Most common causes in Mexico
Causes charities work on most.
Sources and verification
- Registration and legal identity
- SAT (Servicio de Administración Tributaria)
- Financial filings
- SAT (Servicio de Administración Tributaria) - Fiscal year 2024 most recent on file.
- Officers and trustees
- SAT (Servicio de Administración Tributaria) - 1 disclosed in the public registry.
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 · FY2024 on record
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Named leadership · 1 officer 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 · 2003
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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 Tamsa, Ac
- What is Tamsa, Ac?
- Tamsa, Ac is a community development apoyo a donatarias, Mexico. Collaborate, Contribute to all Class of Works or Initiatives of Educational Car-Cter, Scientific, Cultural, etc.
- When was Tamsa, Ac founded?
- Tamsa, Ac was founded in 2003.
- Who leads Tamsa, Ac?
- Cecilia Bilesio.
- Where is Tamsa, Ac located?
- Headquartered in Veracruz de Ignacio de la Llave, Mexico.
- What is Tamsa, Ac's annual budget?
- Annual revenue for fiscal year 2024 is approximately $10M-$100M. 81% of expenses go to program services.
- Is Tamsa, Ac trustworthy?
- Tamsa, Ac has a GiveRadar Integrity Assessment of 69 out of 100 (Partial 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 Tamsa, Ac's registration number?
- Registration: TAM960725HE1 (Mexico).
- What is Tamsa, Ac's website?
- https://tamsa.com.mx
- Are donations to Tamsa, Ac tax-deductible?
- Donations may be tax-deductible for residents of Mexico 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.