Company lists · Data refreshed September 2026

Top 25 Business networking organizations worldwide

RevenueBase identified 6,676 business networking organizations worldwide as of September 2026 and tracks 76,091 professional contacts across them, including 6,158 with verified work emails. The United States is the largest market and London the largest hub.

This list covers business networking organizations worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for business networking organizations follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
6,676Companies
76,091Contacts tracked
6,158Verified emails
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The 25 largest business networking organizations worldwide

Ranked by team size
Top 25 of 6,676 business networking organizations worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to business networking organizations: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceBrazilHQ checked Sep 19, 202610001+13,555 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceCharlotte, NC, United StatesHQ checked Sep 19, 2026n/a3,325 contacts →

Indirect evidence

“Established by Dr.”

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceAlexandria, VA, United StatesHQ checked Sep 19, 2026n/a2,347 contacts →

Indirect evidence

“Entrepreneurs shape the future, sparking innovation, creating jobs, empowering dreams.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceRichmond, United KingdomHQ checked Sep 19, 20261,001-5,0002,228 contacts →

Indirect evidence

“We run events for people who want to grow businesses, share ideas, and meet the right people.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceBratislava, SlovakiaHQ checked Sep 19, 2026501-1,000892 contacts →

Indirect evidence

“Fleming creates Critical Business Connections.”

Source: RevenueBase Database · checked Sep 19, 2026
6Strong evidenceBoston, MA, United StatesHQ checked Sep 19, 2026n/a717 contacts →

Strong evidence

“Forbes Business Council is a vetted professional networking community for senior executives and business owners who are committed to personal and professional excellence.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 2026501-1,000690 contacts →

Indirect evidence

“Emerald’s talented and experienced team grows our customers’ businesses 365 days a year through connections, content, and commerce.”

Source: RevenueBase Database · checked Sep 19, 2026
8Indirect evidenceLondon, United KingdomHQ checked Sep 19, 20261,001-5,000688 contacts →

Indirect evidence

“Informa Connect delivers live and on-demand events, training, and specialist digital content to businesses and professionals.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026501-1,000590 contacts →

Indirect evidence

“When people come together, powerful things happen.”

Source: RevenueBase Database · checked Sep 19, 2026
10Strong evidenceSanta Clara, CA, United StatesHQ checked Sep 19, 2026n/a480 contacts →

Strong evidence

“TiE Inc, also known as TiE Global is a non-profit organization with the mission of fostering entrepreneurship, through mentoring, networking and education.”

Source: RevenueBase Database · checked Sep 19, 2026
11Indirect evidenceBangalore, IndiaHQ checked Sep 19, 2026201-500473 contacts →

Indirect evidence

“At Exito, we don’t just host events, we build platforms for leaders to connect, innovate, and grow.”

Source: RevenueBase Database · checked Sep 19, 2026
12Strong evidenceBroxbourne, United KingdomHQ checked Sep 19, 2026n/a410 contacts →

Strong evidence

“Specialising in business networking and referral strategy.”

Source: RevenueBase Database · checked Sep 19, 2026
13Strong evidenceNew York, NY, United StatesHQ checked Sep 19, 2026201-500377 contacts →

Strong evidence

“We run over 120 industry-leading, annual conferences worldwide, along with a full complement of content marketing services, and intimate networking events - all aimed at…”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceParis, FranceHQ checked Sep 19, 202651-200307 contacts →

Indirect evidence

“The mission of BNI is to help members increase their business through a structured, positive and professional referral marketing program that enables them to develop meaningful…”

Source: RevenueBase Database · checked Sep 19, 2026
15Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 202651-200263 contacts →

Indirect evidence

“Opal Group organizes premier conferences catered to top executives and decision makers throughout various industries.”

Source: RevenueBase Database · checked Sep 19, 2026
16Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 19, 202651-200237 contacts →

Indirect evidence

“GBI Impact is a dedicated small business committed to fostering long-lasting relationships between a carefully curated network of executives and clients.”

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceRondebosch, South AfricaHQ checked Sep 19, 202651-200224 contacts →

Indirect evidence

“We connect people & organisations to information and each other through signature in-person and digital environments.”

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceLondon, United KingdomHQ checked Sep 19, 2026n/a214 contacts →

Indirect evidence

“The VAB community was created to connect top talented senior professionals from around the globe and help them engage with peers and experts from different industries and sectors…”

Source: RevenueBase Database · checked Sep 19, 2026
19Strong evidenceWarszawa, PolandHQ checked Sep 19, 202651-200202 contacts →

Strong evidence

“BNI to największa w Polsce i na świecie organizacja networkingu biznesowego.”

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceSchaumburg, IL, United StatesHQ checked Sep 19, 2026201-500185 contacts →

Indirect evidence

“CXOsync was founded in 2008 By Mr.”

Source: RevenueBase Database · checked Sep 19, 2026
21Indirect evidenceBangalore, IndiaHQ checked Sep 19, 202651-200159 contacts →

Indirect evidence

“BNI® is the world's leading referral organization that focuses on building business and changing lives.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceBloomington, MN, United StatesHQ checked Sep 19, 202651-200150 contacts →

Indirect evidence

“With a solution to every business problem, Nexstar is a member-owned organization that drives business growth and development through continued education and the sharing of ideas.”

Source: RevenueBase Database · checked Sep 19, 2026
23Indirect evidenceStuttgart, GermanyHQ checked Sep 19, 202651-200144 contacts →

Indirect evidence

“Since 1982, Mesago Messe Frankfurt GmbH has specialized in creating B2B formats for specific technology topics.”

Source: RevenueBase Database · checked Sep 19, 2026
24Indirect evidenceSvendborg, DenmarkHQ checked Sep 19, 202651-200134 contacts →

Indirect evidence

“Vi skaber personlig, faglig og forretningsmæssig værdi gennem fortrolige netværk.”

Source: RevenueBase Database · checked Sep 19, 2026
25Strong evidenceCharlotte, NC, United StatesHQ checked Sep 19, 20261,001-5,000131 contacts →

Strong evidence

“CorporateConnections is a global community of successful business executives who are active in high-performance teams that focus on advanced referral, marketing and networking…”

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 6,676 business networking organizations worldwide

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Business networking organizations worldwide at a glance

As of Sep 19, 2026
8.1%Verified-email coverage
11.4Average contacts per company
1-10Median size (employees)
2.5%Largest-city concentration · London
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
3,616
11-50
2,116
51-200
562
201-500
181
501-1,000
66
1,001-5,000
37
5,001-10,000
18
10001+
73

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among business networking organizations, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for business networking organizations are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “business networking organizations”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names business networking organizations), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among business networking organizations, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 6,158 across the full list. 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 September 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Business networking organizations by location

14 lists · largest first

Every Business networking organizations 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 Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names business networking organizations, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many business networking organizations are there worldwide?

RevenueBase identified 6,676 business networking organizations worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Primeiro Emprego, headquartered in Worldwide, tops this list with the largest team on record.

Which country has the most business networking organizations?

The United States leads with 1,054 companies, followed by France (728) and the United Kingdom (707). Every business networking organizations list by country and city is linked on this page.

Which city has the most business networking organizations?

London leads with 166 headquartered companies, followed by New York (59) and Paris (56).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 6,158 verified decision-maker contacts tracked across these 6,676 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.