Company lists · Data refreshed November 2026

Top 25 Conference organizing services worldwide

Name: Conference organizing services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 14,132 companies tracked

RevenueBase identified 14,132 company matches for conference organizing services worldwide as of November 2026 and tracks 99,836 professional contacts across them, including 20,061 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for conference organizing services 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 conference organizing services 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

14,132Companies

99,836Contacts tracked

20,061Verified emails

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The 25 largest conference organizing services worldwide

Ranked by team size

Top 25 of 14,132 company matches for conference organizing services 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	Helmsbriscoe	Exact match	Scottsdale, AZ, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,738 contacts →
	Exact match “HelmsBriscoe streamlines the meeting planning process by managing the time-consuming task of researching, contacting, and evaluating venues for your organization’s events.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Gaylord Hotels	Exact match	Bethesda, CO, United StatesHQ recorded Nov 6, 2026	5,001-10,000	1,556 contacts →
	Exact match “Bringing people together is what we do best.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	IQPC	Exact match	New York, United StatesHQ recorded Nov 6, 2026	1,001-5,000	1,304 contacts →
	Exact match “IQPC provides business executives around the world with tailored practical conferences, large scale events, online events and webinars, keeping them up-to-date with industry…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	RAI Amsterdam	Exact match	Amsterdam, NetherlandsHQ recorded Nov 6, 2026	201-500	746 contacts →
	Exact match “Let's (re-)connect and talk about your business.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Conferencedirect	Exact match	Folsom, CA, United StatesHQ recorded Nov 6, 2026	501-1,000	698 contacts →
	Exact match “ConferenceDirect is your global partner for meetings and events.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Fiera Milano SPA	Exact match	Rho, United StatesHQ recorded Nov 6, 2026	501-1,000	663 contacts →
	Exact match “Fiera Milano is the leading exhibition Group in Italy and one of the top in the world.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	APEX	Exact match	Monterrey, MexicoHQ recorded Nov 6, 2026	n/a	633 contacts →
	Exact match “La Asociación Promotora de Exposiciones A.C.(APEX) tiene experiencia de más de 20 años como organizador ferial, posicionándose en el sector de eventos como la empresa líder en la…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8	Shepard	Exact match	Atlanta, GA, United StatesHQ recorded Nov 6, 2026	501-1,000	436 contacts →
	Exact match “Shepard is a nationwide event production company with a rich legacy dating back to 1905.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	AIM Group International	Exact match	Milan, ItalyHQ recorded Nov 6, 2026	201-500	434 contacts →
	Exact match “AIM Group International is a leading company in the fields of congresses, events, and communication, with over 60 years of experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	PRA Business Events	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	412 contacts →
	Exact match “At PRA, we don’t just execute-we imagine what’s next.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Kenes Group	Exact match	Geneva, SwitzerlandHQ recorded Nov 6, 2026	201-500	377 contacts →
	Exact match “Our Mission To be the world’s leading facilitator of meetings for the global exchange of professional knowledge in medical, scientific, and other professions, based on our core…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	Event Planner	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	n/a	369 contacts →
	Exact match “Diseñamos y organizamos todo tipo de eventos corporativos y particulares.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	Buffet	Exact match	Ribeirão Preto, BrazilHQ recorded Nov 6, 2026	n/a	330 contacts →
	Exact match “Possuímos uma equipe especializada capaz de compreender e transformar suas ideias em grandes realizações, proporcionando um evento incrível e lembrado por todos.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Grupa MTP	Exact match	Poznan, PolandHQ recorded Nov 6, 2026	201-500	324 contacts →
	Exact match “Wierzymy w potęgę spotkań, dlatego organizujemy je od ponad 100 lat, skupiając ludzi z całego świata.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	Hyatt Regency Chicago	Exact match	Chicago, IL, United StatesHQ recorded Nov 6, 2026	201-500	321 contacts →
	Exact match “The largest hotel in Chicago, Hyatt Regency Chicago offers square feet of space in a variety of venue types to accommodate any event.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Encore Apac	Exact match	Rydalmere, AustraliaHQ recorded Nov 6, 2026	501-1,000	317 contacts →
	Exact match “Encore is a global network of experts in event design, technology, service, and execution.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Aura Event & Experiences	Exact match	Madras, IndiaHQ recorded Nov 6, 2026	n/a	310 contacts →
	Exact match “A multi-disciplinary event agency, specializing in Brand & service launches; Inaugural & protocol events, Seminar & conferences, Dealer meets, Live concerts for TV & Non-TV…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	ADD	Exact match	Riyadh, Saudi ArabiaHQ recorded Nov 6, 2026	51-200	296 contacts →
	Exact match “شركة وطنية رائدة بصناعة وإدارة وتنظيم الفعاليات والمؤتمرات، تقدم خدمات متكاملة في إعداد وتنظيم المعارض والمؤتمرات والمهرجانات وفعاليات الشركات، استطاعت خلال فترة العشر سنوات…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Opal Group	Exact match	New York, NY, United StatesHQ recorded Nov 6, 2026	51-200	268 contacts →
	Exact match “Opal Group organizes premier conferences catered to top executives and decision makers throughout various industries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	ICOM	Exact match	Alexandria, EgyptHQ recorded Nov 6, 2026	201-500	244 contacts →
	Exact match “ICOM Group is an international group delivering integrated solutions across Events Management, Health Innovation & Medical Projects, Association Management, E-Learning &…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21	Best WAY Events	Exact match	Madrid, SpainHQ recorded Nov 6, 2026	n/a	228 contacts →
	Exact match “Donde los eventos toman vida y la imagen lo es todo.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	FCM Meetings & Events	Exact match	Sydney, ON, United StatesHQ recorded Nov 6, 2026	201-500	213 contacts →
	Exact match “Here, we believe creativity and commerciality aren't mutually exclusive.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Benchmark	Exact match	Jeddah, Saudi ArabiaHQ recorded Nov 6, 2026	51-200	210 contacts →
	Exact match “PASSION AND COMMITMENT FOR EXCELLENCE Benchmark, founded in 200 by Mr.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Informa Australia	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	51-200	208 contacts →
	Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	Cliftons	Exact match	Sydney, AustraliaHQ recorded Nov 6, 2026	201-500	198 contacts →
	Exact match “Cliftons is the trusted event delivery partner for organisations that need every event to run smoothly.” 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 “conference organizing services”. 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 14,132 conference organizing services worldwide

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Conference organizing services worldwide at a glance

As of Nov 6, 2026

20.1%Verified-email coverage

7.1Average contacts per company

1-10Median size (employees)

1.5%Largest-city concentration · London

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

9,095

11-50

3,750

51-200

848

201-500

198

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 conference organizing services are linked below.
What qualifies: Company records worldwide whose business descriptions match “conference organizing services” 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 20,061 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.

Conference organizing services by location

80 lists · largest first

Every Conference organizing services 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 “conference organizing services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many conference organizing services are there worldwide?

RevenueBase identified 14,132 company matches for conference organizing services 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?

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

Which country has the most conference organizing services?

The United States leads with 2,106 companies, followed by India (944) and France (807). Every conference organizing services list by country and city is linked on this page.

Which city has the most conference organizing services?

London leads with 205 company records, followed by Dubai (152) and Sao Paulo (134).

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 20,061 professional contacts with verified work emails tracked across these 14,132 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.