Company lists · Data refreshed November 2026

Top 25 Startup networking organizations worldwide

Name: Startup networking organizations worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 9,130 companies tracked

RevenueBase identified 9,130 company matches for startup networking organizations worldwide as of November 2026 and tracks 74,072 professional contacts across them, including 7,315 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for startup networking organizations 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 startup networking organizations 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

9,130Companies

74,072Contacts tracked

7,315Verified emails

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The 25 largest startup networking organizations worldwide

Ranked by team size

Top 25 of 9,130 company matches for startup networking organizations 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Y Combinator	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	3,704 contacts →
	Exact match “Y Combinator is the leading startup accelerator for entrepreneurs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Entrepreneur	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	2,514 contacts →
	Exact match “The Entrepreneur Network was created to help British Business Owners soar to success, achieve what they want within their businesses by fostering deeper cross border collaboration…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Entrepreneurs' Organization	Exact match	Alexandria, VA, United StatesHQ recorded Nov 6, 2026	n/a	2,279 contacts →
	Exact match “Entrepreneurs shape the future, sparking innovation, creating jobs, empowering dreams.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	E-Cell, IIT Bombay	Exact match	Mumbai, IndiaHQ recorded Nov 6, 2026	1,001-5,000	1,797 contacts →
	Exact match “The Entrepreneurship Cell (E-Cell) is a non-profit organization run by students of IIT Bombay.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Techstars	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	201-500	1,443 contacts →
	Exact match “Techstars helps founders scale their startups into world-changing businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Antler	Exact match	Amsterdam, SingaporeHQ recorded Nov 6, 2026	201-500	1,342 contacts →
	Exact match “Antler is one of the most active early-stage investors globally.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Founder Institute	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 6, 2026	n/a	984 contacts →
	Exact match “The Founder Institute is the World’s Largest AI-Native Company Builder, where ambitious professionals, solo founders, and first-time entrepreneurs go to turn ideas into funded…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Blast Club	Exact match	United StatesHQ recorded Nov 6, 2026	51-200	493 contacts →
	Exact match “Investissez aux côtés d’Anthony Bourbon Dans les startups de demain À partir de 500€ par projet.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	TIE	Exact match	Santa Clara, CA, United StatesHQ recorded Nov 6, 2026	n/a	473 contacts →
	Exact match “TiE Inc, also known as TiE Global is a non-profit organization with the mission of fostering entrepreneurship, through mentoring, networking and education.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	PUC Angels	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	n/a	471 contacts →
	Exact match “Educação, networking e conhecimento impulsionando o empreendedorismo de forma positiva.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Inflection Point Ventures	Exact match	Gurgaon, IndiaHQ recorded Nov 6, 2026	51-200	437 contacts →
	Exact match “Inflection Point Ventures was started in 2018 with the aim of driving exponential value creation by being India’s most accessible & efficient network connecting a diverse investor…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Startup Grind	Exact match	Palo Alto, CA, United StatesHQ recorded Nov 6, 2026	n/a	436 contacts →
	Exact match “Startup Grind is the leading global startup community dedicated to fostering the growth of early-stage companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	ODF	Exact match	San Francisco, CA, United StatesHQ recorded Nov 6, 2026	n/a	310 contacts →
	Exact match “Our mission is to help more people start better startups.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	GBI Impact	Exact match	Los Angeles, CA, United StatesHQ recorded Nov 6, 2026	51-200	284 contacts →
	Exact match “GBI Impact is a dedicated small business committed to fostering long-lasting relationships between a carefully curated network of executives and clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Awesome INC	Exact match	Lexington, KY, United StatesHQ recorded Nov 6, 2026	n/a	284 contacts →
	Exact match “Based in Lexington, Kentucky, Awesome Inc: 🤝 Grows community through events, education, and entrepreneurship Throws the largest pitch competition in the region, 5 Across Helps…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Anjos DO Brasil	Exact match	São Paulo, BrazilHQ recorded Nov 6, 2026	n/a	259 contacts →
	Exact match “Anjos do Brasil was created in order to foster the growth of angel investing and entrepreneurship, sharing knowledge, experience and business opportunities with angel investors…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Founders Club	Exact match	Brasil, BrazilHQ recorded Nov 6, 2026	51-200	247 contacts →
	Exact match “Um clube exclusivo para fundadores de startups com foco em educação e relacionamento, voltado para empreendedores que buscam conhecimento para superar seus desafios.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	F6s	Exact match	United StatesHQ recorded Nov 6, 2026	n/a	246 contacts →
	Exact match “F6S helps millions of founders and their companies grow.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Capital Factory	Exact match	Austin, TX, United StatesHQ recorded Nov 6, 2026	n/a	222 contacts →
	Exact match “Capital Factory is the center of gravity for entrepreneurs in Texas, the number one startup state in the U.S.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Start Global	Exact match	St. Gallen, SwitzerlandHQ recorded Nov 6, 2026	51-200	209 contacts →
	Exact match “START Global is building the seeding ground for entrepreneurial talent.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Grupo Acelerador	Exact match	Santana De Parnaíba, BrazilHQ recorded Nov 6, 2026	51-200	207 contacts →
	Exact match “Tudo começou com a imersão Acelerador Empresarial, metodologia criada em 2016 por Marcus Marques, o projeto ganhou força, culminando na criação do Grupo Acelerador em 2020, e que…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	The Founders Club	Exact match	Miami, FL, United StatesHQ recorded Nov 6, 2026	n/a	198 contacts →
	Exact match “The Founders Club is a private, highly vetted community of high-growth Founders, CEOs, and Executives.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	BNI Polska	Exact match	Warsaw, PolandHQ recorded Nov 6, 2026	51-200	175 contacts →
	Exact match “BNI to największa w Polsce i na świecie organizacja networkingu biznesowego.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	OPUS	Exact match	London, United KingdomHQ recorded Nov 6, 2026	501-1,000	154 contacts →
	Exact match “Welcome to the Founderverse.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Enterprise Nation	Exact match	London, United KingdomHQ recorded Nov 6, 2026	n/a	151 contacts →
	Exact match “Enterprise Nation was founded in 2005 by Emma Jones MBE.” Recorded in the RevenueBase company graph · Nov 6, 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 “startup networking organizations”. 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 9,130 startup networking organizations worldwide

See the full list, filter by size, metro and specialty, and access 7,315 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Startup networking organizations worldwide at a glance

As of Nov 6, 2026

9.9%Verified-email coverage

8.1Average contacts per company

1-10Median size (employees)

3.1%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

6,317

11-50

1,973

51-200

521

201-500

167

501-1,000

1,001-5,000

5,001-10,000

10001+

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 startup networking organizations are linked below.
What qualifies: Company records worldwide whose business descriptions match “startup networking organizations” 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 7,315 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.

Startup networking organizations by location

47 lists · largest first

Every Startup networking organizations list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “startup networking organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many startup networking organizations are there worldwide?

RevenueBase identified 9,130 company matches for startup networking organizations 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?

Y Combinator tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which country has the most startup networking organizations?

The United States leads with 1,758 companies, followed by India (770) and the United Kingdom (677). Every startup networking organizations list by country and city is linked on this page.

Which city has the most startup networking organizations?

London leads with 285 company records, followed by New York (162) and Bangalore (110).

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 7,315 professional contacts with verified work emails tracked across these 9,130 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.