Company lists · Data refreshed November 2026

Top 25 Speech and debate nonprofits worldwide

RevenueBase identified 1,254 company matches for speech and debate nonprofits worldwide as of November 2026 and tracks 9,796 professional contacts across them, including 645 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for speech and debate nonprofits 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 November 6, 2026. Country and city lists for speech and debate nonprofits 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Nov 6, 2026 How this list was built
1,254Companies
9,796Contacts tracked
645Verified emails
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The 25 largest speech and debate nonprofits worldwide

Ranked by team size
Top 25 of 1,254 company matches for speech and debate nonprofits worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchWest Des Moines, IA, United StatesHQ recorded Nov 6, 2026n/a1,097 contacts →

Exact match

“We are the national honor society for middle and high school speech and debate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchLondon, United KingdomHQ recorded Nov 6, 2026n/a336 contacts →

Exact match

“Debate Mate is a global social business that teaches key skills from the classroom to the boardroom.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchCambridge, United KingdomHQ recorded Nov 6, 202611-50111 contacts →

Exact match

“From its beginnings as a debating society, the Cambridge Union now has over life members worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchLondon, United KingdomHQ recorded Nov 6, 202611-5080 contacts →

Exact match

“Founded in 1918.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5080 contacts →

Exact match

“The World Scholar’s Cup is a global charitable non-profit initiative for students (ages 10-18) of all languages and backgrounds.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchRockville, MD, United StatesHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“Potomac Debate Academy is a high-growth education company located in the DC metro area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchDallas, TX, United StatesHQ recorded Nov 6, 2026n/a52 contacts →

Exact match

“Equality in Forensics is a student-run nonprofit organization that provides free and online resources to make speech and debate more accessible to students, educators, and coaches…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchX, United StatesHQ recorded Nov 6, 202651-20051 contacts →

Exact match

“Lumos offers an encouraging, supportive learning environment that transforms timid students into confident communicators.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchNorth Sydney, AustraliaHQ recorded Nov 6, 202651-20050 contacts →

Exact match

“We are raising the educational bar by providing children with the soft skills and resilience they need to confidently navigate a constantly changing world.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a46 contacts →

Exact match

“We unlock the transformative power of debate for New York City public school students to develop the next generation of informed, compassionate, and courageous leaders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchBoston, MA, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Boston Debate League prepares students for college, career, and civic life through the transformative power of debate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchChicago, IL, United StatesHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Founded in 1995, Chicago Debates was created to deliver the uniquely transformational activity of debate to Chicago Public Schools.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 202651-20039 contacts →

Exact match

“Empowering youth to find their voice, because it matters.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchFremont, CA, United StatesHQ recorded Nov 6, 2026201-50037 contacts →

Exact match

“Fremont Debate Academy is a 501(c)(3) non-profit organization created in 2014 with a mission to create a debate & civics program in every school and every district worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“Dialogy is an innovative education training organization based committed to empowering youth by placing dialogue, debate, and discussion at the center of pedagogical practice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchUnited StatesHQ recorded Nov 6, 202611-5035 contacts →

Exact match

“Founded in 2022 by Justine Mach (Vietnam) and Samuel Chen (USA), Outreach Debate is a 501(c)(3) organization that aims to make public speaking and debate learning and connecting…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSan Diego, CA, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“DebateDrills is the first and largest online speech and debate coaching service in the United States.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchParis, FranceHQ recorded Nov 6, 2026n/a31 contacts →

Exact match

“Trouve Ta Voix œuvre pour l’égalité des chances et contribue à la construction d’un système éducatif qui placera davantage l’oral au cœur des enseignements.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchBrussel, BelgiumHQ recorded Nov 6, 2026n/a31 contacts →

Exact match

“Debateville is a versatile and empowering debate program that helps our young and most vulnerable to find their voice in society and attain their full potential.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIrvine, CA, United StatesHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“ModernBrain is an extracurricular K-12 program that trains students for educational competitions in Mock Trial, Speech & Debate, Model United Nations, and more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchUnited StatesHQ recorded Nov 6, 20261-1027 contacts →

Exact match

“Since 2001, NCFCA Christian Speech & Debate League has empowered students to apply and communicate their worldview with skill and clarity.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchSydney, AustraliaHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“Founded in 2007, Masters Academy is the leading provider of communication skills training services to NSW school students and teachers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchCarlsbad, CA, United StatesHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Capitol Debate is an educational organization that offers academic summer camps and online enrichment programs for middle school and high school students.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchNew Rochelle, United StatesHQ recorded Nov 6, 20261-1024 contacts →

Exact match

“The mission of the American Debate League is to help children become better Thinkers, Speakers, and Leaderships.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchVancouver, BC, CanadaHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Take a chance, forge yourself and the world by joining The Debate.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 1,254 speech and debate nonprofits worldwide

See the full list, filter by size, metro and specialty, and access 645 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Speech and debate nonprofits worldwide at a glance

As of Nov 6, 2026
6.6%Verified-email coverage
7.8Average contacts per company
11-50Median size (employees)
1.7%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
526
11-50
516
51-200
146
201-500
36
501-1,000
10
1,001-5,000
11
5,001-10,000
2
10001+
3

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 speech and debate nonprofits are linked below.
What qualifies
Company records worldwide whose business descriptions match “speech and debate nonprofits” 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 645 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 November 6, 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.

Speech and debate nonprofits by location

1 lists · largest first

Every Speech and debate nonprofits 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 “speech and debate nonprofits”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many speech and debate nonprofits are there worldwide?

RevenueBase identified 1,254 company matches for speech and debate nonprofits worldwide as of November 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?

National Speech & Debate Association Nsda tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most speech and debate nonprofits?

The United States leads with 222 companies. Every speech and debate nonprofits list by country and city is linked on this page.

Which city has the most speech and debate nonprofits?

London leads with 21 company records, followed by New Delhi (19) and Dhaka (15).

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 645 professional contacts with verified work emails tracked across these 1,254 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 November 6, 2026.

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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.