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Sia Foundation Inc

The Sia Foundation, Inc. is a 501(c)(3) non-profit dedicated to revolutionizing data storage through decentralization.

Science & Technology Randolph, MA EIN: 854329649 (IRS) Sign up to see website
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75
Integrity Assessment
Strong transparency
75/100 · methodology

About Sia Foundation Inc

Discover how our decentralized, encrypted network puts you in control of your data storage.

Founded
Headquarters
Randolph, MA
Foundation type
Publicly-supported charity (509(a)(2))
NTEE code
U99
IRS subsection
501(c)(03)
Ruling date
Size
large

Verified certifications

Confirmed against the issuing authority - not self-reported.

IRS Tax-Deductible since 2022

Mission

The Sia Foundation, Inc. is a 501(c)(3) non-profit dedicated to revolutionizing data storage through decentralization.

Focus areas & reach

· What they work on and where
Cause tags
SDG alignment The 17 UN Sustainable Development Goals (SDGs) are the global agenda for ending poverty, protecting the planet, and ensuring prosperity by 2030. We tag each charity to the goals its work advances.

How it stacks up against peers

· vs. 8 similar science & technology in United States
Program spending This charity: 80%
Peer average: 82%
CEO comp as % of revenue This charity: 2.13%
Peer average: 0.48%
Integrity Assessment This charity: 75
Peer average: 90

Concerns

· 1 red flag
High Executive Pay
Top executive compensation is 34.0% of total expenses ($262,526 of $771,075).

Where every $1 goes

· FY2024 · IRS 990 (FY2024)
$0.80
Program$0.80
80% to programs beats the Charity Navigator "highly efficient" threshold (75%).

GiveRadar Analysis

Original analysis from GiveRadar's dataset of comparable organizations

Based on the records currently verified by GiveRadar, Sia Foundation Inc has a complete profile, cross-referenced across 5 independent sources including the IRS.

  • GiveRadar has cross-referenced this organization across 5 independent sources, led by the IRS - more than 96% of comparable organizations. See the sources
  • By reported annual revenue, it is larger than 93% of the 3,150 science & technology charities in the United States with financial records on GiveRadar. See the filings
  • It is one of the better-documented science & technology charities in the United States GiveRadar currently tracks, because GiveRadar has verified its financial disclosures and its governance. Most of those have little verified data on record yet. View this cohort
GiveRadar has verified
  • government registration
  • financial records (4 filed years)
  • disclosed leadership
  • a website
  • a contact email
  • a donation page
Not yet verified by GiveRadar
  • 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

Sia Foundation Inc is a registered science & technology nonprofit based in Randolph, MA, United States. It is registered with the Internal Revenue Service (IRS). It was founded in 2020 and has been operating for 6 years. Its EIN is 854329649. According to GiveRadar's records, it holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. GiveRadar's Integrity Assessment for the organization is 75/100, which reflects how much public information is available, not whether the charity is legitimate. The organization reports $12M in annual revenue. 21 officers and directors are publicly disclosed. GiveRadar has identified 1 potential concern. Recent news coverage is predominantly positive.

Sia Foundation Inc's EIN (Employer Identification Number) is 854329649. This is the organization's IRS tax identification number; you can use it to verify tax-exempt status and to look up its Form 990 filings with the IRS.

Sia Foundation Inc has a GiveRadar Integrity Assessment of 75/100. 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 75 ('Strong transparency') reflects well-documented governance, recent financials, named leadership, and working contact details. The charity allocates 80% of expenses to programs, which contributes positively to its score. For comparison, the average integrity assessment for science & technology charities in United States is 90/100.

Sia Foundation Inc is located in Randolph, MA, United States. The organization was established in 2020 and has been active for 6 years.

Based on official tax filings, Sia Foundation Inc has $12M in annual revenue. It allocates 80% of expenses to programs and services. This is in line with the average of 82% for science & technology charities in United States. Create a free GiveRadar account to view the complete financial breakdown with year-over-year trends.

Sia Foundation Inc is classified as a Science & Technology organization, registered in United States. It operates as a Publicly-supported charity (509(a)(2)). By size, it is categorized as a large organization. It has $12M in annual revenue. The organization has 21 disclosed officers and directors.

GiveRadar has identified 1 potential concern for Sia Foundation Inc. Red flags are automatically detected from official data and may include high executive compensation relative to budget, low program spending, or missing financial filings. Red flags do not necessarily mean wrongdoing but indicate areas that may warrant further review before donating.

According to GiveRadar's records, Sia Foundation Inc holds active tax-deductible status on the IRS Publication 78 list, which means donations are tax-deductible and the organization is in good standing with the IRS. It is registered with the Internal Revenue Service (IRS). It reports that 80% of expenses go to programs (the peer average is 82%). You can donate directly through their official donation page linked on their GiveRadar profile. 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.

Discover how our decentralized, encrypted network puts you in control of your data storage. Sia Foundation Inc is classified as a science & technology organization registered in United States. The organization was founded in 2020.

Among science & technology charities registered in United States: It allocates 80% of expenses to programs, in line with the peer average of 82%. Its annual revenue of $12M is comparable to the peer average of $15M.

Yes, donations to Sia Foundation Inc are generally tax-deductible in the United States. Sia Foundation Inc is a 501(c)(3) tax-exempt organization. Its EIN is 854329649, which you can use for tax filing purposes. Donors can typically deduct contributions on their federal income tax return if they itemize deductions. Consult a tax professional for guidance specific to your situation.

Annual revenue
$10M-$100M
80% to programs
Source: IRS 990 (FY2024) why this matters
Unlock exact figures

Filing history

4 years on file from IRS 990 (FY2024): revenue, expenses, program spending, assets, and liabilities by fiscal year.

Years on record: FY2024, FY2023, FY2022, FY2021.
Financial details are free - with a GiveRadar account

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Taxes

Tax-deductibility for donors

Donations may be tax-deductible for residents of United States 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
7

Leadership

From FY2024 filing

NA
Nathaniel M•••••••
President

Officers & trustees (7)

Source: Public filings

See full names, roles, and stories

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

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Latest news

From global news sources

10 articles found

From news sources and the organization. Shown for transparency; news never affects the integrity score.

Activity timeline

Filings and press mentions, merged

SIA to launch daily Hangzhou flights from 1 June - Singapore Business Review
Mar 2026
sbr.com.sg
Singapore Airlines launching flights to Hangzhou - Asian Aviation
Mar 2026
asianaviation.com
Sia Nyorkor, Lindsay Buckingham and Jessica Miller announced as winners of prestigious Gracie Awards - WKYC
Mar 2026
www.wkyc.com
CONGRATS! 3News' Sia Nyorkor, Lindsay Buckingham and Jessica Miller announced as winners of prestigious Gracie Awards -
Mar 2026
www.wkyc.com
Massive Boost: Singapore Airlines Adds Airbus A380 Flights On This Critical Long-Haul Route - Simple Flying
Mar 2026
simpleflying.com
Singapore Airlines to Restart Flights to "Heaven on Earth" After 28 Years - Aviation A2Z
Mar 2026
aviationa2z.com
Singapore Airlines launches Hangzhou flights in June 2026 - Travel Daily Media
Mar 2026
www.traveldailymedia.com
Travellers can fly direct to Hangzhou on SIA from June - Yahoo News Singapore
Mar 2026
sg.news.yahoo.com
Singapore Airlines restarting Hangzhou flights from June 2026 - Mainly Miles
Mar 2026
mainlymiles.com
SIA ranks world’s third-best full-service airline for 2026 - MSN
Mar 2026
www.msn.com
Form filed
$12.3M revenue
FY2024
IRS 990
Form filed
$6.8M revenue
FY2023
IRS 990
Form filed
$2.1M revenue
FY2022
IRS 990
Form filed
$45.8M revenue
FY2021
IRS 990

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Cause areas in United States

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

Human Services 322,679
Education 195,586
Arts & Culture 133,128
Advocacy & Civil Rights 128,026
Religion 114,636
Health 98,862
Community Development 56,086
Youth Development 53,450
Science & Technology this charity 7,612
See all cause areas in United States

Most common causes in United States

Causes charities work on most.

Community Development 235,146
Education 159,016
Religion 103,741
Arts & Culture 101,203
Human Rights 76,926
Health 65,250
Youth Development 47,775
Animal Welfare 32,425

Sources and verification

Registration and legal identity
Internal Revenue Service (IRS) - Tax Exempt Organization Search
Financial filings
IRS Form 990 filings - Fiscal year 2024 most recent on file.
Officers and trustees
Internal Revenue Service (IRS) - Tax Exempt Organization Search - 21 disclosed in the public registry.
News and media coverage
GDELT Project + Google News
Supplementary verification
ProPublica Nonprofit Explorer
Supplementary verification
Charity Navigator

Data freshness

Last updated
Jun 6, 2026
Registry checked
Jun 6, 2026
Profile completeness
100%

What we know and don't know

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

On record · 10
  • Financial data · FY2024 on record
  • Named leadership · 21 officers on file
  • Executive pay · Disclosed
  • Government registration · Registered with an official registry
  • Mission statement · Published
  • Official website · On record
  • Headquarters address · On file
  • Direct contact · Email or phone published
  • Tax-deductibility · Verified
  • Founding date · 2020
Not available · 1
  • Programs & activities
    No named programs listed by the charity

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 Sia Foundation Inc

What is Sia Foundation Inc?
Sia Foundation Inc is a science & technology publicly-supported charity (509(a)(2)) based in Randolph, United States. Discover how our decentralized, encrypted network puts you in control of your data storage.
When was Sia Foundation Inc founded?
Sia Foundation Inc was founded in 2020.
Who leads Sia Foundation Inc?
Nathaniel Maninger serves as President.
Where is Sia Foundation Inc located?
Headquartered in Randolph, MA, United States.
What is Sia Foundation Inc's annual budget?
Annual revenue for fiscal year 2024 is approximately $10M-$100M. 80% of expenses go to program services.
Is Sia Foundation Inc trustworthy?
Sia Foundation Inc has a GiveRadar Integrity Assessment of 75 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 Sia Foundation Inc's registration number?
IRS EIN: 854329649.
What is Sia Foundation Inc's website?
https://sia.tech