Company lists · Data refreshed November 2026

Top 25 Convention planning services worldwide

Name: Convention planning services worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Nov 5, 2026 7,299 companies tracked

RevenueBase identified 7,299 company matches for convention planning services worldwide as of November 2026 and tracks 46,320 professional contacts across them, including 9,987 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for convention planning 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 5, 2026. Country and city lists for convention planning 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 5, 2026 How this list was built

7,299Companies

46,320Contacts tracked

9,987Verified emails

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The 25 largest convention planning services worldwide

Ranked by team size

Top 25 of 7,299 company matches for convention planning services worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 5, 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 5, 2026 · View company records in RevenueBase
2	Gaylord Hotels	Exact match	Bethesda, CO, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
3	Conferencedirect	Exact match	Folsom, CA, United StatesHQ recorded Nov 5, 2026	501-1,000	698 contacts →
	Exact match “ConferenceDirect is your global partner for meetings and events.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4	Shepard	Exact match	Atlanta, GA, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
5	PRA Business Events	Exact match	Chicago, IL, United StatesHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
6	Event Planner	Exact match	Madrid, SpainHQ recorded Nov 5, 2026	n/a	369 contacts →
	Exact match “Diseñamos y organizamos todo tipo de eventos corporativos y particulares.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7	Grupo Viva Eventos	Exact match	Juiz De Fora, BrazilHQ recorded Nov 5, 2026	201-500	365 contacts →
	Exact match “Empresa que trabalha com cerimonial, buffet e salões de eventos” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8	Buffet	Exact match	Ribeirão Preto, BrazilHQ recorded Nov 5, 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 5, 2026 · View company records in RevenueBase
9	Events Industry Council	Exact match	Washington, DC, United StatesHQ recorded Nov 5, 2026	10001+	264 contacts →
	Exact match “The Events Industry Council (EIC)’s more than 30 member organizations represent more than 103,500 individuals and 19,500 firms and properties involved in the meetings, conventions…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10	Projection	Exact match	Springfield, VA, United StatesHQ recorded Nov 5, 2026	51-200	226 contacts →
	Exact match “Projection is a full-service, nationwide event production company serving the meetings and convention industry for over 50 years.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11	SMX Convention Center	Exact match	Pasay City, PhilippinesHQ recorded Nov 5, 2026	201-500	188 contacts →
	Exact match “SMX Convention Center is the premier venue for meetings and events in the country.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12	Heritage	Exact match	St. Louis, NV, United StatesHQ recorded Nov 5, 2026	501-1,000	184 contacts →
	Exact match “HERITAGE is an employee owned industry leading general service exposition contractor with full-service offices nationwide providing convention and event services to exhibitors…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13	NEW Orleans & Company	Exact match	New Orleans, LA, United StatesHQ recorded Nov 5, 2026	51-200	160 contacts →
	Exact match “New Orleans & Company knows the city the best and is prepared to be with you every step of the way providing the most helpful information about planning, promoting and conducting…” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14	Convention Data Services NOW Maritz	Exact match	Bourne, MA, United StatesHQ recorded Nov 5, 2026	201-500	157 contacts →
	Exact match “We are now Maritz!” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15	Adelaide Convention Centre	Exact match	Adelaide, AustraliaHQ recorded Nov 5, 2026	201-500	157 contacts →
	Exact match “The multi-award winning Adelaide Convention Centre enjoys a global reputation for excellence and is consistently ranked among the world's top convention centres.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16	Prestige Global Meeting Source	Exact match	Minneapolis, MN, United StatesHQ recorded Nov 5, 2026	51-200	144 contacts →
	Exact match “40 Years of Elevating Events \| It’s not just what we do, but how we do it, that makes us stand out in the marketplace.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17	Xenial Events L.L.C	Exact match	Abu Dhabi, United Arab EmiratesHQ recorded Nov 5, 2026	11-50	128 contacts →
	Exact match “4x Award-Shortlisted Best Staffing Agency" Founded in 2019, Xenial began in staffing and has evolved into a full-service creative events partner.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18	Spargo, INC	Exact match	Fairfax, VA, United StatesHQ recorded Nov 5, 2026	51-200	118 contacts →
	Exact match “SPARGO, Inc is a full-service event management company providing clients with innovative, attentive management and sales services, nationally and internationally, since 1973.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19	International Conference Services ICS	Exact match	Vancouver, CanadaHQ recorded Nov 5, 2026	51-200	115 contacts →
	Exact match “At International Conference Services, our passion is organizing superior conferences, events and incentive programs.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20	Streamlinevents, INC	Exact match	Emeryville, CA, United StatesHQ recorded Nov 5, 2026	51-200	111 contacts →
	Exact match “Streamlinevents is a group of experienced professionals who love to create events people actually want to go to.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21	Calgary Telus Convention Centre	Exact match	Calgary, AB, CanadaHQ recorded Nov 5, 2026	51-200	110 contacts →
	Exact match “When it comes to making a big statement in your industry, there's no better place to get the job done than at the Calgary TELUS Convention Centre.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22	Metroconnections	Exact match	Burnsville, MN, United StatesHQ recorded Nov 5, 2026	51-200	106 contacts →
	Exact match “metroConnections is the go-to can-do company for whatever you need to create an amazing meeting, conference or event.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23	American Meetings, Inc. AMI	Exact match	Fort Lauderdale, FL, United StatesHQ recorded Nov 5, 2026	51-200	104 contacts →
	Exact match “Welcome to AMI, The Worldwide Leader in Meeting Services.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24	Tais Events	Exact match	Barcelona, SpainHQ recorded Nov 5, 2026	n/a	103 contacts →
	Exact match “Desde1986, nuestra estructura interna satisface las necesidades de cada cliente de manera personalizada, llevando a cabo los servicios con calidad, eficiencia y profesionalidad.” Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25	Québec City Convention Centre	Exact match	Québec, QC, CanadaHQ recorded Nov 5, 2026	51-200	102 contacts →
	Exact match “How does this sound: holding a meeting, convention or tradeshow in a convention centre not only named “Best Convention Centre in the World”, but also certified eco-friendly and…” Recorded in the RevenueBase company graph · Nov 5, 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 “convention planning 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 7,299 convention planning services worldwide

See the full list, filter by size, metro and specialty, and access 9,987 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Convention planning services worldwide at a glance

As of Nov 5, 2026

21.6%Verified-email coverage

6.3Average contacts per company

1-10Median size (employees)

1.0%Largest-city concentration · London

Nov 5, 2026Page data refreshed

Companies by employee count

1-10

5,149

11-50

1,574

51-200

373

201-500

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 convention planning services are linked below.
What qualifies: Company records worldwide whose business descriptions match “convention planning 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 9,987 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 5, 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.

Convention planning services by location

43 lists · largest first

Every Convention planning 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 “convention planning services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many convention planning services are there worldwide?

RevenueBase identified 7,299 company matches for convention planning 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 convention planning services?

The United States leads with 1,748 companies, followed by France (427) and India (359). Every convention planning services list by country and city is linked on this page.

Which city has the most convention planning services?

London leads with 73 company records, followed by New York (70) and Sao Paulo (65).

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 9,987 professional contacts with verified work emails tracked across these 7,299 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 5, 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.