Company lists · Data refreshed November 2026

Top 25 Virtual calendar management services worldwide

RevenueBase identified 2,784 company matches for virtual calendar management services worldwide as of November 2026 and tracks 11,141 professional contacts across them, including 1,876 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for virtual calendar management 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 virtual calendar management 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
2,784Companies
11,141Contacts tracked
1,876Verified emails
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The 25 largest virtual calendar management services worldwide

Ranked by team size
Top 25 of 2,784 company matches for virtual calendar management 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.
#CompanyRevenueBase SmartSearchHeadquartersEmployeesContacts
1Exact matchPortland, OR, United StatesHQ recorded Nov 6, 2026201-500769 contacts →

Exact match

“At Prialto, we exist to Amplify People, from every executive who uses our service to every employee who delivers it.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026501-1,000642 contacts →

Exact match

“At Calendly, our vision is to take the work out of connecting with others so you can accomplish more.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSan Francisco, United StatesHQ recorded Nov 6, 2026201-500255 contacts →

Exact match

“Viva hires, trains, and matches top remote executive assistants (EA) with executives and helps them be more productive.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchBangalore, IndiaHQ recorded Nov 6, 2026201-500236 contacts →

Exact match

“GetFriday is a personal virtual assistant company providing virtual assistance services to global clients since 2005.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchEdinburgh, United KingdomHQ recorded Nov 6, 2026201-500220 contacts →

Exact match

“We deliver value by taking care of admin and non-core tasks, enabling the productivity of our clients’ stakeholders.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchColumbia, CA, United StatesHQ recorded Nov 6, 2026201-500201 contacts →

Exact match

“Founded in 1987, Capitol Concierge set out to transform the concierge industry-and we did just that.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchPowell, OH, United StatesHQ recorded Nov 6, 2026201-500174 contacts →

Exact match

“Zirtual is the secret weapon of successful people.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchNew York, United StatesHQ recorded Nov 6, 2026n/a170 contacts →

Exact match

“Fancy Hands is a network of thousands of US-based assistants at your fingertips.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchManila, PhilippinesHQ recorded Nov 6, 2026n/a114 contacts →

Exact match

“As a business owner, busy executive, entrepreneur, coach, or consultant, you can’t do it all, so stop trying.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchZurich, SwitzerlandHQ recorded Nov 6, 202651-200111 contacts →

Exact match

“Meet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSão Paulo, BrazilHQ recorded Nov 6, 2026n/a65 contacts →

Exact match

“Já pensou em ter uma Assistente Pessoal só para você?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMunich, GermanyHQ recorded Nov 6, 202651-20060 contacts →

Exact match

“At TIMIFY, we empower businesses with cutting-edge appointment booking and resource scheduling solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact match新宿区, JapanHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“TimeTree 500 TimeTree Apple Best of 2015 App Store Watch App Store App StoreApp VERYLEECHANTO Web10 FacebookFbStart 4 120%#02 Web Designing 20163…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5054 contacts →

Exact match

“Cal.com is a modern, fully customizable scheduling platform built for teams that care about both power and design.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchToronto, CanadaHQ recorded Nov 6, 202611-5050 contacts →

Exact match

“InboxDone.com is a boutique executive email assistant service that gives back time to business owners, academics and leaders by taking over replying to emails and calendar…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchMontreal, QC, CanadaHQ recorded Nov 6, 202611-5049 contacts →

Exact match

“Booxi is the appointment scheduling solution of choice for brands and retailers looking to provide exceptional customer experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchLimassol, CyprusHQ recorded Nov 6, 202651-20047 contacts →

Exact match

“SimplyBook.me is an online booking and scheduling platform for service businesses and organizations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchBoise, United StatesHQ recorded Nov 6, 202611-5047 contacts →

Exact match

“Delegate More.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 2026n/a45 contacts →

Exact match

“VaVa Virtual is the premier partner for business executives and nonprofit leaders seeking to enhance productivity and streamline operations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchLucknow, IndiaHQ recorded Nov 6, 202611-5045 contacts →

Exact match

“TaskMinions provides dedicated virtual assistants for hustlers and small teams.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchWalnut Creek, CA, United StatesHQ recorded Nov 6, 2026n/a45 contacts →

Exact match

“Since 2007, Reliable Receptionist has thrived by providing highly personalized, locally-based, live telephone reception to small business owners, helping them grow revenue and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchWoodbridge, VA, United StatesHQ recorded Nov 6, 202651-20043 contacts →

Exact match

“Milrich Virtual Professionals, LLC is the next phase of Milrich Associates, LLP, which has been serving clients since 2009.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchVirginia Beach, VA, United StatesHQ recorded Nov 6, 202651-20040 contacts →

Exact match

“You work hard to make your business a success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchKolkata, IndiaHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“UrbanTimer is a virtual assistant company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchCalgary, CanadaHQ recorded Nov 6, 202611-5036 contacts →

Exact match

“We have the most experienced virtual assistants to help make you and your business as efficient as possible.”

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

Showing 25 of 2,784 virtual calendar management services worldwide

See the full list, filter by size, metro and specialty, and access 1,876 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Virtual calendar management services worldwide at a glance

As of Nov 6, 2026
16.8%Verified-email coverage
4.0Average contacts per company
1-10Median size (employees)
3.3%Largest-city concentration · London
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
2,397
11-50
284
51-200
71
201-500
18
501-1,000
9
1,001-5,000
1
10001+
1

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 virtual calendar management services are linked below.
What qualifies
Company records worldwide whose business descriptions match “virtual calendar management 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 1,876 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.

Virtual calendar management services by location

9 lists · largest first

Every Virtual calendar management 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 “virtual calendar management services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many virtual calendar management services are there worldwide?

RevenueBase identified 2,784 company matches for virtual calendar management 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?

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

Which country has the most virtual calendar management services?

The United States leads with 568 companies, followed by the United Kingdom (372) and the Netherlands (94). Every virtual calendar management services list by country and city is linked on this page.

Which city has the most virtual calendar management services?

London leads with 92 company records, followed by New York (31) and San Francisco (21).

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 1,876 professional contacts with verified work emails tracked across these 2,784 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.