Company lists · Data refreshed November 2026

Top 15 Appointment confirmation services based in the United States

RevenueBase identified 55 company matches for appointment confirmation services associated with the United States as of November 2026 and tracks 536 professional contacts across them, including 34 with verified work emails. Austin is the largest hub.

This list covers company matches for appointment confirmation 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
55Companies
536Contacts tracked
34Verified emails
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The 15 largest appointment confirmation services based in the United States

Ranked by team size
Top 15 of 55 company matches for appointment confirmation 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 matchSheridan, WY, United StatesHQ recorded Nov 6, 2026201-50071 contacts →

Exact match

“Seasoned appointment setters ready to fill your pipeline with verified and qualified prospects.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchBend, OR, United StatesHQ recorded Nov 6, 20261-1010 contacts →

Exact match

“Businesses have been waging war against no-shows and growing loyal customer bases since 2010 with Apptoto's automated appointment management and messaging software.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchWaxhaw, NC, United StatesHQ recorded Nov 6, 20261-108 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchFort Myers, FL, United StatesHQ recorded Nov 6, 202651-2008 contacts →

Exact match

“INTERCEPT is a 24/7 answering service located in South Florida.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchBrooklyn, United StatesHQ recorded Nov 6, 202611-505 contacts →

Exact match

“No-Show Clients are No-Pay Clients • Automated Appointment Reminders for Your Patients, Customers or Clients Quickly schedule client appointments with a smartphone, tablet, or…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchPlymouth, MA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“We INK Appointments for Your Business -No more “penciling” in appointments, We help businesses get more client meetings with personalized marketing strategy, compliant ads, and…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBellevue, WA, United StatesHQ recorded Nov 6, 20261-104 contacts →

Exact match

“PickAtime is an online appointment scheduling service offering businesses and institutions the ability to book appointments quickly, easily and efficiently over the Internet.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchLanghorne, PA, United StatesHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Appointments By Design is like your personal matchmaker for your business.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchMiami, FL, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“1-800 Notify, supplies a wide range of patient communication services to help you delight and engage your patients.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchTucson, AZ, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“With over 20 years experience, Inphonite is the solution provider of choice.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchNashville, TN, United StatesHQ recorded Nov 6, 202611-502 contacts →

Exact match

“Our flagship product is an automated, phone & web appointment scheduling service that deliver appointment to your customers at any time using any device.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchSeattle, WA, United StatesHQ recorded Nov 6, 20261-102 contacts →

Exact match

“Schedulista provides a beautifully crafted scheduling service that lets clients book appointments right from your website, Facebook page, email message, or text.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchMorgan Hill, CA, United StatesHQ recorded Nov 6, 202611-501 contacts →

Exact match

“ReminderCall.com is a Silicon-Valley based company that provides automated appointment reminder calls, text messages and emails.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchWestlake, OH, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Call or text: 440-525-1408 Email me: john@talientsolutions.com Book time on my calendar here: https://calendly.com/johnodonnell/intro-call Call or text: 440-525-1408 Email me…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchLas Vegas, NV, United StatesHQ recorded Nov 6, 20261-101 contacts →

Exact match

“We guarantee you 7 booked appointments in the first 7 days, or you DON'T pay!”

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

Showing 15 of 55 appointment confirmation services based in the United States

See the full list, filter by size, metro and specialty, and access 34 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Appointment confirmation services based in the United States at a glance

As of Nov 6, 2026
6.3%Verified-email coverage
9.7Average contacts per company
1-10Median size (employees)
5.5%Largest-city concentration · Austin
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
32
11-50
19
51-200
3
201-500
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 55 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 “appointment confirmation 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 34 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.

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 “appointment confirmation services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many appointment confirmation services are there based in the United States?

RevenueBase identified 55 company matches for appointment confirmation 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?

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

Which city has the most appointment confirmation services?

Austin leads with 3 company records, followed by Los Angeles (3) and Seattle (3).

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 34 professional contacts with verified work emails tracked across these 55 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.