Company lists · Data refreshed October 2026
Top 25 Nonprofit tax attorneys worldwide
RevenueBase identified 141 company matches for nonprofit tax attorneys worldwide as of October 2026 and tracks 696 professional contacts across them, including 339 with verified work emails. The United States is the largest market and Washington the largest hub.
This list covers company matches for nonprofit tax attorneys worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed October 22, 2026. Country and city lists for nonprofit tax attorneys follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest nonprofit tax attorneys worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 54 contacts → | ||||
Exact match “WINHELLER is your legal and tax expert for Nonprofit Organizations and Private Clients - with headquarters in Frankfurt am Main (Germany) and a nationwide and international…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 2 | 48 contacts → | ||||
Exact match “Adler & Colvin is a group of attorneys based in San Francisco, California, deeply committed to serving the legal needs of the nonprofit sector.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 3 | 37 contacts → | ||||
Exact match “Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 4 | 29 contacts → | ||||
Exact match “Arteo is a tax law firm founded in 2020.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 5 | 26 contacts → | ||||
Exact match “Webster, Chamberlain & Bean, LLP is the leading law firm in the United States specializing in the provision of a full range of legal services to tax-exempt organizations.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 6 | 26 contacts → | ||||
Exact match “Trust HRC We give meaning to the numbers.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 7 | 21 contacts → | ||||
Exact match “Wagenmaker & Oberly, LLC provides a broad spectrum of legal services to nonprofit organizations and others within the philanthropic sector.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 8 | 17 contacts → | ||||
Exact match “Tributário Direto ao Ponto.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 9 | 16 contacts → | ||||
Exact match “Cheshire Law Group exclusively represents nonprofit organizations.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 10 | 13 contacts → | ||||
Exact match “Tax Consulting for business” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 11 | 12 contacts → | ||||
Exact match “Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 12 | 12 contacts → | ||||
Exact match “Founded by Karl Mill in 2021, Mill Law Center provides legal support to the non-profit and social enterprise sectors, including: Individuals or companies seeking to launch a new…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 13 | 11 contacts → | ||||
Exact match “Nonprofit organizations play a vital role in the well-being of every community.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 14 | 11 contacts → | ||||
Exact match “For more than forty years, we at Harmon, Curran, Spielberg + Eisenberg, LLP, have served the legal needs of individuals and organizations to help them advance social, economic and…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 15 | 10 contacts → | ||||
Exact match “Scholz Nonprofit Law is a full service law firm focusing on the needs of the nonprofit community and social entrepreneurs.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 16 | 9 contacts → | ||||
Exact match “Klamp & Associates is a law firm dedicated exclusively to representing charitable organizations.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 17 | 9 contacts → | ||||
Exact match “A law firm serving high quality assistance in tax matters” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 18 | 9 contacts → | ||||
Exact match “Tax & Legal services” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 19 | 8 contacts → | ||||
Exact match “Asiatico Law is one of only a handful of law firms in the U.S.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 20 | 8 contacts → | ||||
Exact match “With offices in Tempe Arizona and Tacoma Washington, Caritas Law Group is a law firm with extensive experience representing nonprofit and tax-exempt companies as well as social…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 21 | 8 contacts → | ||||
Exact match “Since 1985, Howe & Hutton, Ltd.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 22 | 7 contacts → | ||||
Exact match “At The Law Firm for Non-Profits, we are passionate about supporting, advocating for and partnering with non-profits and the people behind them.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 23 | 6 contacts → | ||||
Exact match “We are a boutique law firm focused exclusively on serving nonprofit and tax-exempt organizations and mission-driven businesses.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 24 | 6 contacts → | ||||
Exact match “Each of the attorneys at RHC & C made a conscious decision to work in the tax and not for profit arena because of a desire to help others, to solve problems, and to assist in…” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
| 25 | 5 contacts → | ||||
Exact match “Conley Law Group LLC is a boutique law firm devoted exclusively to serving nonprofit organizations and philanthropic donors.” Recorded in the RevenueBase company graph · Oct 22, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “nonprofit tax attorneys”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 141 nonprofit tax attorneys worldwide
See the full list, filter by size, metro and specialty, and access 339 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Nonprofit tax attorneys worldwide at a glance
As of Oct 22, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for nonprofit tax attorneys are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “nonprofit tax attorneys” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 339 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on October 22, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Nonprofit tax attorneys by location
1 lists · largest firstEvery Nonprofit tax attorneys list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “nonprofit tax attorneys”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many nonprofit tax attorneys are there worldwide?
RevenueBase identified 141 company matches for nonprofit tax attorneys worldwide as of October 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
Winheller Law.Tax.Relax tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most nonprofit tax attorneys?
The United States leads with 81 companies. Every nonprofit tax attorneys list by country and city is linked on this page.
Which city has the most nonprofit tax attorneys?
Washington leads with 7 company records, followed by Chicago (3) and New York (3).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 339 professional contacts with verified work emails tracked across these 141 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on October 22, 2026.
Ready to reach these companies? Verified emails and direct dials for all 141 nonprofit tax attorneys worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 nonprofit tax attorneys worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 141 matching company records for nonprofit tax attorneys worldwide, with 696 tracked contacts and 339 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 nonprofit tax attorneys worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Winheller Law.Tax.Relaxwinheller.comHQ: Frankfurt, GermanyReported employees: 51-200 | Frankfurt, Germany | 51-200 | Exact match | 54 contacts → |
“WINHELLER is your legal and tax expert for Nonprofit Organizations and Private Clients - with headquarters in Frankfurt am Main (Germany) and a nationwide and international…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  Adler & Colvinadlercolvin.comHQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 48 contacts → |
“Adler & Colvin is a group of attorneys based in San Francisco, California, deeply committed to serving the legal needs of the nonprofit sector.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Rosen & Associates TAX LAWrosentaxlaw.comHQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 37 contacts → |
“Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  ARTEOarteo.lawHQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 29 contacts → |
“Arteo is a tax law firm founded in 2020.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Webster, Chamberlain & Bean LLPwc-b.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“Webster, Chamberlain & Bean, LLP is the leading law firm in the United States specializing in the provision of a full range of legal services to tax-exempt organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  HRCtrusthrc.comHQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 26 contacts → |
“Trust HRC We give meaning to the numbers.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Wagenmaker & Oberly, LLCwagenmakerlaw.comHQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 21 contacts → |
“Wagenmaker & Oberly, LLC provides a broad spectrum of legal services to nonprofit organizations and others within the philanthropic sector.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Bueno TAX Lawyersbueno.taxHQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 17 contacts → |
“Tributário Direto ao Ponto.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  Cheshire LAW Groupcheshirenonprofitlaw.comHQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 16 contacts → |
“Cheshire Law Group exclusively represents nonprofit organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Cruz & Lopes DE Araujo Sociedade DE Advogadosaureacruz-advogados.adv.brHQ: Curitiba, BrazilReported employees: 11-50 | Curitiba, Brazil | 11-50 | Exact match | 13 contacts → |
“Tax Consulting for business” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Tenenbaum LAW Group Pllctenenbaumlegal.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 12 contacts → |
“Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Mill LAW Centermill.lawHQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 12 contacts → |
“Founded by Karl Mill in 2021, Mill Law Center provides legal support to the non-profit and social enterprise sectors, including: Individuals or companies seeking to launch a new…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Mendrygal Law, Pllcmendrygallaw.comHQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 11 contacts → |
“Nonprofit organizations play a vital role in the well-being of every community.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Harmon, Curran, Spielberg & Eisenberg, LLPharmoncurran.comHQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 11 contacts → |
“For more than forty years, we at Harmon, Curran, Spielberg + Eisenberg, LLP, have served the legal needs of individuals and organizations to help them advance social, economic and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Scholz Nonprofit LAWscholznonprofitlaw.comHQ: Madison, WI, United StatesReported employees: 1-10 | Madison, WI, United States | 1-10 | Exact match | 10 contacts → |
“Scholz Nonprofit Law is a full service law firm focusing on the needs of the nonprofit community and social entrepreneurs.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Klamp & Associates, P.Cklamplaw.comHQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 9 contacts → |
“Klamp & Associates is a law firm dedicated exclusively to representing charitable organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sumersonsumerson.com HQ: Paris, FranceReported employees: 1-10 | Paris, France | 1-10 | Exact match | 9 contacts → |
“A law firm serving high quality assistance in tax matters” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Akoa Mballa & COakoamballa.com HQ: Douala, CameroonReported employees: 1-10 | Douala, Cameroon | 1-10 | Exact match | 9 contacts → |
“Tax & Legal services” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Asiatico & Associates, Pllcbaalegal.comHQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 8 contacts → |
“Asiatico Law is one of only a handful of law firms in the U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Caritas LAW Group, P.Ccaritaslawgroup.com HQ: Tempe, AZ, United StatesReported employees: 1-10 | Tempe, AZ, United States | 1-10 | Exact match | 8 contacts → |
“With offices in Tempe Arizona and Tacoma Washington, Caritas Law Group is a law firm with extensive experience representing nonprofit and tax-exempt companies as well as social…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Howe & Hutton, LTDhowehutton.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 8 contacts → |
“Since 1985, Howe & Hutton, Ltd.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Studio City, CA, United StatesReported employees: 1-10 | Studio City, CA, United States | 1-10 | Exact match | 7 contacts → |
“At The Law Firm for Non-Profits, we are passionate about supporting, advocating for and partnering with non-profits and the people behind them.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Sedreddine & Whoriskey, LLPsedwho.comHQ: Brooklyn, NY, United StatesReported employees: 1-10 | Brooklyn, NY, United States | 1-10 | Exact match | 6 contacts → |
“We are a boutique law firm focused exclusively on serving nonprofit and tax-exempt organizations and mission-driven businesses.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Rodriguez, Horii, Choi & Cafferata LLPrhcclaw.comHQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
“Each of the attorneys at RHC & C made a conscious decision to work in the tax and not for profit arena because of a desire to help others, to solve problems, and to assist in…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Conley LAW Group LLCconleylawgroup.comHQ: Philadelphia, PA, United StatesReported employees: 1-10 | Philadelphia, PA, United States | 1-10 | Exact match | 5 contacts → |
“Conley Law Group LLC is a boutique law firm devoted exclusively to serving nonprofit organizations and philanthropic donors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 141 company matches
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Nonprofit tax attorneys: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
141 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 141 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Nonprofit tax attorneys by location
1 lists · largest firstEvery Nonprofit tax attorneys list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for nonprofit tax attorneys?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many nonprofit tax attorneys did RevenueBase find worldwide?
The saved snapshot records 141 matching company records, 696 tracked contacts and 339 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 nonprofit tax attorneys worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/nonprofit-tax-attorneys.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 nonprofit tax attorneys worldwide
RevenueBase records 141 matching company records for nonprofit tax attorneys worldwide, with 696 tracked contacts and 339 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: October 22, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 nonprofit tax attorneys worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Winheller Law.Tax.Relaxwinheller.com HQ: Frankfurt, GermanyReported employees: 51-200 | Frankfurt, Germany | 51-200 | Exact match | 54 contacts → |
“WINHELLER is your legal and tax expert for Nonprofit Organizations and Private Clients - with headquarters in Frankfurt am Main (Germany) and a nationwide and international…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | Adler & Colvinadlercolvin.com HQ: San Francisco, CA, United StatesReported employees: 11-50 | San Francisco, CA, United States | 11-50 | Exact match | 48 contacts → |
“Adler & Colvin is a group of attorneys based in San Francisco, California, deeply committed to serving the legal needs of the nonprofit sector.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Rosen & Associates TAX LAWrosentaxlaw.com HQ: Toronto, ON, CanadaReported employees: 11-50 | Toronto, ON, Canada | 11-50 | Exact match | 37 contacts → |
“Rosen & Associates Tax Law (“R&A Tax Law) is a national tax law firm based in Toronto, Ontario.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | ARTEOarteo.law HQ: Brussels, BelgiumReported employees: 11-50 | Brussels, Belgium | 11-50 | Exact match | 29 contacts → |
“Arteo is a tax law firm founded in 2020.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Webster, Chamberlain & Bean LLPwc-b.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 26 contacts → |
“Webster, Chamberlain & Bean, LLP is the leading law firm in the United States specializing in the provision of a full range of legal services to tax-exempt organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HRCtrusthrc.com HQ: Las Vegas, NV, United StatesReported employees: 11-50 | Las Vegas, NV, United States | 11-50 | Exact match | 26 contacts → |
“Trust HRC We give meaning to the numbers.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Wagenmaker & Oberly, LLCwagenmakerlaw.com HQ: Chicago, IL, United StatesReported employees: 1-10 | Chicago, IL, United States | 1-10 | Exact match | 21 contacts → |
“Wagenmaker & Oberly, LLC provides a broad spectrum of legal services to nonprofit organizations and others within the philanthropic sector.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Bueno TAX Lawyersbueno.tax HQ: São Paulo, BrazilReported employees: 11-50 | São Paulo, Brazil | 11-50 | Exact match | 17 contacts → |
“Tributário Direto ao Ponto.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | Cheshire LAW Groupcheshirenonprofitlaw.com HQ: Philadelphia, PA, United StatesReported employees: 11-50 | Philadelphia, PA, United States | 11-50 | Exact match | 16 contacts → |
“Cheshire Law Group exclusively represents nonprofit organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Cruz & Lopes DE Araujo Sociedade DE Advogadosaureacruz-advogados.adv.br HQ: Curitiba, BrazilReported employees: 11-50 | Curitiba, Brazil | 11-50 | Exact match | 13 contacts → |
“Tax Consulting for business” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Tenenbaum LAW Group Pllctenenbaumlegal.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 12 contacts → |
“Tenenbaum Law Group PLLC is a nationally recognized, eight-attorney boutique Washington, DC-based law firm specializing in the representation of nonprofit organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Mill LAW Centermill.law HQ: San Francisco, CA, United StatesReported employees: 1-10 | San Francisco, CA, United States | 1-10 | Exact match | 12 contacts → |
“Founded by Karl Mill in 2021, Mill Law Center provides legal support to the non-profit and social enterprise sectors, including: Individuals or companies seeking to launch a new…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Mendrygal Law, Pllcmendrygallaw.com HQ: Dallas, TX, United StatesReported employees: 1-10 | Dallas, TX, United States | 1-10 | Exact match | 11 contacts → |
“Nonprofit organizations play a vital role in the well-being of every community.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Harmon, Curran, Spielberg & Eisenberg, LLPharmoncurran.com HQ: Washington, DC, United StatesReported employees: 11-50 | Washington, DC, United States | 11-50 | Exact match | 11 contacts → |
“For more than forty years, we at Harmon, Curran, Spielberg + Eisenberg, LLP, have served the legal needs of individuals and organizations to help them advance social, economic and…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Scholz Nonprofit LAWscholznonprofitlaw.com HQ: Madison, WI, United StatesReported employees: 1-10 | Madison, WI, United States | 1-10 | Exact match | 10 contacts → |
“Scholz Nonprofit Law is a full service law firm focusing on the needs of the nonprofit community and social entrepreneurs.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Klamp & Associates, P.Cklamplaw.com HQ: Washington, DC, United StatesReported employees: 1-10 | Washington, DC, United States | 1-10 | Exact match | 9 contacts → |
“Klamp & Associates is a law firm dedicated exclusively to representing charitable organizations.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Sumersonsumerson.com HQ: Paris, FranceReported employees: 1-10 | Paris, France | 1-10 | Exact match | 9 contacts → |
“A law firm serving high quality assistance in tax matters” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Akoa Mballa & COakoamballa.com HQ: Douala, CameroonReported employees: 1-10 | Douala, Cameroon | 1-10 | Exact match | 9 contacts → |
“Tax & Legal services” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Asiatico & Associates, Pllcbaalegal.com HQ: Tampa, FL, United StatesReported employees: 11-50 | Tampa, FL, United States | 11-50 | Exact match | 8 contacts → |
“Asiatico Law is one of only a handful of law firms in the U.S.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Caritas LAW Group, P.Ccaritaslawgroup.com HQ: Tempe, AZ, United StatesReported employees: 1-10 | Tempe, AZ, United States | 1-10 | Exact match | 8 contacts → |
“With offices in Tempe Arizona and Tacoma Washington, Caritas Law Group is a law firm with extensive experience representing nonprofit and tax-exempt companies as well as social…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Howe & Hutton, LTDhowehutton.com HQ: Chicago, IL, United StatesReported employees: 11-50 | Chicago, IL, United States | 11-50 | Exact match | 8 contacts → |
“Since 1985, Howe & Hutton, Ltd.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Studio City, CA, United StatesReported employees: 1-10 | Studio City, CA, United States | 1-10 | Exact match | 7 contacts → |
“At The Law Firm for Non-Profits, we are passionate about supporting, advocating for and partnering with non-profits and the people behind them.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Sedreddine & Whoriskey, LLPsedwho.com HQ: Brooklyn, NY, United StatesReported employees: 1-10 | Brooklyn, NY, United States | 1-10 | Exact match | 6 contacts → |
“We are a boutique law firm focused exclusively on serving nonprofit and tax-exempt organizations and mission-driven businesses.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Rodriguez, Horii, Choi & Cafferata LLPrhcclaw.com HQ: Los Angeles, CA, United StatesReported employees: 11-50 | Los Angeles, CA, United States | 11-50 | Exact match | 6 contacts → |
“Each of the attorneys at RHC & C made a conscious decision to work in the tax and not for profit arena because of a desire to help others, to solve problems, and to assist in…” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Conley LAW Group LLCconleylawgroup.com HQ: Philadelphia, PA, United StatesReported employees: 1-10 | Philadelphia, PA, United States | 1-10 | Exact match | 5 contacts → |
“Conley Law Group LLC is a boutique law firm devoted exclusively to serving nonprofit organizations and philanthropic donors.” Recorded description excerpt · October 22, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 141 company matches
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Nonprofit tax attorneys: dataset insights
October 22, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
141 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 141 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: October 22, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Nonprofit tax attorneys by location
1 lists · largest firstEvery Nonprofit tax attorneys list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for nonprofit tax attorneys?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many nonprofit tax attorneys did RevenueBase find worldwide?
The saved snapshot records 141 matching company records, 696 tracked contacts and 339 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: October 22, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
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Cite this list
RevenueBase Data Team. Top 25 nonprofit tax attorneys worldwide. Snapshot: October 22, 2026. https://revenuebase.ai/companies/browse/nonprofit-tax-attorneys.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗