Company lists · Data refreshed September 2026

Top 25 Appointment scheduling outsourcing companies based in the United States

RevenueBase identified 354 company matches for appointment scheduling outsourcing companies associated with the United States as of September 2026 and tracks 4,097 professional contacts across them, including 736 with verified work emails. New York is the largest hub.

This list covers company matches for appointment scheduling outsourcing companies 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 September 27, 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 Sep 27, 2026 How this list was built
354Companies
4,097Contacts tracked
736Verified emails
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The 25 largest appointment scheduling outsourcing companies based in the United States

Ranked by team size
Top 25 of 354 company matches for appointment scheduling outsourcing companies based in the United States, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 matchSalt Lake City, UT, United StatesHQ recorded Sep 27, 20261,001-5,000411 contacts →

Exact match

“Teem is building the hybrid workforce for healthcare practices, connecting providers with qualified, reliable, English-proficient virtual assistants for front desk, scribing…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
2Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026201-500250 contacts →

Exact match

“At Relatient we’re on a mission to make access to healthcare simpler.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
3Exact matchPiscataway, NJ, United StatesHQ recorded Sep 27, 2026501-1,000224 contacts →

Exact match

“Staffingly, Inc.| 🤝 Your Partner in Healthcare Outsourcing We specialize in healthcare outsourcing services to address staff shortages and revenue losses.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
4Exact matchColumbia, MD, United StatesHQ recorded Sep 27, 2026201-500196 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 · Sep 27, 2026 · View company records in RevenueBase
5Exact matchOverland Park, KS, United StatesHQ recorded Sep 27, 2026501-1,000183 contacts →

Exact match

“CSS provides a critical backbone service to real estate agents in markets across the country.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
6Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 2026201-500107 contacts →

Exact match

“Sequence Health brings decades of dedicated healthcare expertise, offering full-service medical contact center solutions designed to adapt to the unique needs of any healthcare…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
7Exact matchCincinnati, OH, United StatesHQ recorded Sep 27, 2026201-500102 contacts →

Exact match

“Provide personalized care to all of your patients by partnering with our patient contact center, solely focused on serving healthcare.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchStamford, CT, United StatesHQ recorded Sep 27, 202651-20062 contacts →

Exact match

“ReferWell is a healthcare technology company on a mission to get people to the doctor.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
9Exact matchSheridan, WY, United StatesHQ recorded Sep 27, 2026201-50061 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
10Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202651-20057 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 · Sep 27, 2026 · View company records in RevenueBase
11Exact matchStamford, CT, United StatesHQ recorded Sep 27, 202651-20056 contacts →

Exact match

“STATLINX’s medical call center services streamline patient communication and practice operations through a HIPAA‑compliant contact center that integrates directly with Epic and…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchMesa, AZ, United StatesHQ recorded Sep 27, 202611-5056 contacts →

Exact match

“Modern Receptionist is a small group of savvy and sophisticated receptionists that make life easier!”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchOrlando, FL, United StatesHQ recorded Sep 27, 202611-5054 contacts →

Exact match

“A young & dynamic company set up by medical professionals to provide back-office services for small and medium health care practices in the USA.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchVirginia Beach, VA, United StatesHQ recorded Sep 27, 202651-20037 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchWalnut Creek, CA, United StatesHQ recorded Sep 27, 2026n/a36 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 · Sep 27, 2026 · View company records in RevenueBase
16Exact matchCovina, CA, United StatesHQ recorded Sep 27, 202651-20032 contacts →

Exact match

“At NR Medical, we excel in providing exceptional support to medical and healthcare practices, effectively becoming an extension of your office.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
17Exact matchAustin, TX, United StatesHQ recorded Sep 27, 202611-5031 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 · Sep 27, 2026 · View company records in RevenueBase
18Exact matchWilmington, DE, United StatesHQ recorded Sep 27, 202611-5029 contacts →

Exact match

“TimeZest is the dispatch company for managed service providers.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchBrooklyn, United StatesHQ recorded Sep 27, 202651-20026 contacts →

Exact match

“Founded by optometrist Dr.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchBozeman, MT, United StatesHQ recorded Sep 27, 202651-20026 contacts →

Exact match

“Schedulicity - A Vagaro Company - is the leading online appointment, class and workshop scheduling platform for discovering and booking local services in more than 50 different…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchMiami, FL, United StatesHQ recorded Sep 27, 202651-20024 contacts →

Exact match

“Welcome to HirebizMed, the leading company in providing well-experienced Medical Virtual Assistants for healthcare professionals.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchAtlanta, GA, United StatesHQ recorded Sep 27, 202611-5024 contacts →

Exact match

“MedTrans Go is a B2B healthcare appointment optimization platform solving the $150B problem of medical appointment cancellations and improving patient throughput.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchSt. Petersburg, FL, United StatesHQ recorded Sep 27, 202611-5023 contacts →

Exact match

“Customer experience requires dedicated BPO teams and technology solutions.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchSanta Monica, CA, United StatesHQ recorded Sep 27, 202611-5022 contacts →

Exact match

“Holly by Nimblr is an AI-powered front desk agent that helps over 180 U.S.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchPortland, OR, United StatesHQ recorded Sep 27, 202651-20022 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 · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 354 appointment scheduling outsourcing companies based in the United States

See the full list, filter by size, metro and specialty, and access 736 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Appointment scheduling outsourcing companies based in the United States at a glance

As of Sep 27, 2026
18.0%Verified-email coverage
11.6Average contacts per company
1-10Median size (employees)
5.6%Largest-city concentration · New York
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
177
11-50
108
51-200
45
201-500
14
501-1,000
5
1,001-5,000
5

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 354 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 scheduling outsourcing companies” 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 736 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 September 27, 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 scheduling outsourcing companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many appointment scheduling outsourcing companies are there based in the United States?

RevenueBase identified 354 company matches for appointment scheduling outsourcing companies associated with the United States as of September 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?

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

Which city has the most appointment scheduling outsourcing companies?

New York leads with 20 company records, followed by San Francisco (13) and Atlanta (10).

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 736 professional contacts with verified work emails tracked across these 354 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 September 27, 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.