Company lists · Data refreshed November 2026

Top 25 Virtual calendar management services based in the United States

RevenueBase identified 568 company matches for virtual calendar management services associated with the United States as of November 2026 and tracks 4,727 professional contacts across them, including 1,151 with verified work emails. New York is the largest hub.

This list covers company matches for virtual calendar management services associated with the United States, 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.

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
568Companies
4,727Contacts tracked
1,151Verified emails
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The 25 largest virtual calendar management services based in the United States

Ranked by team size
Top 25 of 568 company matches for virtual calendar management services based in the United States, 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 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
5Exact 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
6Exact 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
7Exact 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
8Exact 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
9Exact 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
10Exact 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
11Exact 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
12Exact 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
13Exact matchAtlanta, GA, United StatesHQ recorded Nov 6, 202651-20034 contacts →

Exact match

“SUMO is a customer engagement platform that includes online Appointment, Event, and Field Sales scheduling, built fully native on Salesforce.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchNew York, NY, United StatesHQ recorded Nov 6, 2026n/a34 contacts →

Exact match

“Doorlist allows users to manage their social calendar and enables hosts to quickly and efficiently create events”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchAustin, TX, United StatesHQ recorded Nov 6, 202611-5032 contacts →

Exact match

“Picktime is one of the world's leading scheduling platforms providing a quick, intuitive tool that enables professionals to book meetings with clients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Clockwise is an AI-powered calendar assistant that builds smarter schedules for everyone by coordinating the way individuals, teams, and companies prefer to work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchMars, United StatesHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Clara is your partner in doing great work.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202651-20024 contacts →

Exact match

“Setmore offers a free online scheduling platform that empowers you to balance your scheduling, connect with customers, and grow your brand.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchMiami, FL, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“myVA360 is a fully remote agency, headquartered in the USA.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchHouston, TX, United StatesHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“Tasks Assistant is an affordable virtual assistant company for startups, founders and small business owners around the world with experienced, highly skilled virtual assistants.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchLos Angeles, CA, United StatesHQ recorded Nov 6, 20261-1021 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchBoca Raton, FL, United StatesHQ recorded Nov 6, 202651-20020 contacts →

Exact match

“AssistTree is your trusted virtual assistant partner, helping U.S-based businesses save time, cut costs, and stay organized.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchSan Francisco, CA, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“AddEvent is a cutting-edge software company providing best-in-class calendar marketing and event management solutions to thousands of companies worldwide.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Athena Executive Services pairs high caliber, part time, virtual Executive Assistants with business owners and executives.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchPortland, OR, United StatesHQ recorded Nov 6, 202611-5017 contacts →

Exact match

“The important stuff doesn't happen just because you write it down.”

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

Showing 25 of 568 virtual calendar management services based in the United States

See the full list, filter by size, metro and specialty, and access 1,151 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Virtual calendar management services based in the United States at a glance

As of Nov 6, 2026
24.3%Verified-email coverage
8.3Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · New York
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
434
11-50
93
51-200
25
201-500
10
501-1,000
4
1,001-5,000
1

Email recency for this list is measured worldwide rather than for United States, so it is reported there. Company counts and contact totals on this page are exact for United States, over 568 companies.

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.
What qualifies
Company records associated with the United States 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,151 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 metro

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 based in the United States?

RevenueBase identified 568 company matches for virtual calendar management services associated with the United States 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 city has the most virtual calendar management services?

New York leads with 31 company records, followed by San Francisco (21) and Atlanta (20).

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 1,151 professional contacts with verified work emails tracked across these 568 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.