Company lists · Data refreshed September 2026

Top 25 Appointment scheduling companies worldwide

RevenueBase identified 2,141 appointment scheduling companies worldwide as of September 2026 and tracks 12,380 professional contacts across them, including 3,078 with verified work emails. The United States is the largest market and Paris the largest hub.

This list covers appointment scheduling companies worldwide, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 19, 2026. Country and city lists for appointment scheduling companies follow the table.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 19, 2026 86% judged on-target in blind review
2,141Companies
12,380Contacts tracked
3,078Verified emails
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The 25 largest appointment scheduling companies worldwide

Ranked by team size
Top 25 of 2,141 appointment scheduling companies worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to appointment scheduling companies: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 2026501-1,0001,339 contacts →

Indirect evidence

“Zocdoc is the healthcare access infrastructure that connects patients to great care.”

Source: RevenueBase Database · checked Sep 19, 2026
2Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 19, 2026501-1,000507 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
3Indirect evidenceLos Angeles, CA, United StatesHQ checked Sep 19, 2026201-500486 contacts →

Indirect evidence

“Boulevard is the business management platform trusted by the fastest-growing salons, spas, and med spas.”

Source: RevenueBase Database · checked Sep 19, 2026
4Indirect evidenceNew York, NY, United StatesHQ checked Sep 19, 202651-200340 contacts →

Indirect evidence

“GlossGenius is one of the quickest growing solutions powering small business owners across the US in the beauty & wellness space with elegant, vibrant, and intuitive software.”

Source: RevenueBase Database · checked Sep 19, 2026
5Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 19, 2026201-500250 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
6Indirect evidenceFortaleza, BrazilHQ checked Sep 19, 202651-200184 contacts →

Indirect evidence

“Hospital Sao Mateus is a hospital & health care company based out of Av Santos Dumont, 5633, Fortaleza, Ce, Brazil.”

Source: RevenueBase Database · checked Sep 19, 2026
7Indirect evidenceLas Condes, ChileHQ checked Sep 19, 202651-200176 contacts →

Indirect evidence

“AgendaPro es la plataforma líder en Latinoamérica para el agendamiento, gestión, pagos y crecimiento de negocios de belleza, bienestar y salud.”

Source: RevenueBase Database · checked Sep 19, 2026
8Partial evidenceİstanbul, TürkiyeHQ checked Sep 19, 202651-200145 contacts →

Partial evidence

“DoktorTakvimi is Turkey’s number 1 online portal for booking appointments with medical professionals.”

Source: RevenueBase Database · checked Sep 19, 2026
9Indirect evidenceAtlanta, GA, United StatesHQ checked Sep 19, 2026201-500107 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 19, 2026
10Indirect evidenceZurich, SwitzerlandHQ checked Sep 19, 202651-200103 contacts →

Indirect evidence

“Meet.”

Source: RevenueBase Database · checked Sep 19, 2026
11Partial evidenceNicosia, CyprusHQ checked Sep 19, 2026201-50094 contacts →

Partial evidence

“YCLIENTS is an online booking software and all-in-one automation platform for service-based businesses: Book appointments online, set and manage employee schedules easily, reduce…”

Source: RevenueBase Database · checked Sep 19, 2026
12Indirect evidenceVictoria, BC, CanadaHQ checked Sep 19, 202651-20089 contacts →

Indirect evidence

“Checkfront helps schedule-based businesses better manage their operations, centralize administration, and sell and market their services online.”

Source: RevenueBase Database · checked Sep 19, 2026
13Strong evidenceLos Angeles, CA, United StatesHQ checked Sep 19, 202611-5088 contacts →

Strong evidence

“MyTime is a fully integrated appointment scheduling, point-of-sale and customer engagement platform for multi-location chains and franchises.”

Source: RevenueBase Database · checked Sep 19, 2026
14Indirect evidenceLas Condes, ChileHQ checked Sep 19, 202651-20086 contacts →

Indirect evidence

“Examedi is a start-up that is re-inventing the way patients access healthcare by connecting the availabilities of healthcare providers nationwide.”

Source: RevenueBase Database · checked Sep 19, 2026
15Partial evidenceAustin, TX, United StatesHQ checked Sep 19, 202651-20085 contacts →

Partial evidence

“BookedBy is business management software for salons, spas, and other appointment-based service businesses that helps create exceptional client experiences, streamline operations…”

Source: RevenueBase Database · checked Sep 19, 2026
16Strong evidenceMunich, GermanyHQ checked Sep 19, 202651-20064 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
17Indirect evidenceStamford, CT, United StatesHQ checked Sep 19, 202651-20062 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
18Indirect evidenceMedellín, ColombiaHQ checked Sep 19, 2026501-1,00061 contacts →

Indirect evidence

“At Telemed, we help healthcare providers in the U.S.”

Source: RevenueBase Database · checked Sep 19, 2026
19Strong evidenceAtlanta, GA, United StatesHQ checked Sep 19, 202651-20057 contacts →

Strong evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
20Indirect evidenceStamford, CT, United StatesHQ checked Sep 19, 202651-20056 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
21Strong evidenceMedellin, ColombiaHQ checked Sep 19, 202611-5052 contacts →

Strong evidence

“Automate appointment scheduling, confirmations, and bilingual patient communication for clinics in the U.S.”

Source: RevenueBase Database · checked Sep 19, 2026
22Indirect evidenceSantiago, ChileHQ checked Sep 19, 2026n/a47 contacts →

Indirect evidence

“En Cero ayudamos a que Hospitales y Clínicas atiendan a más pacientes y pierdan menos horas.”

Source: RevenueBase Database · checked Sep 19, 2026
23Partial evidenceNorth Vancouver, BC, CanadaHQ checked Sep 19, 202651-20046 contacts →

Partial evidence

“It all started in 2013 in Canada with a simple idea: help businesses who truly love what they do focus on their passion, without getting bogged down by complicated scheduling or…”

Source: RevenueBase Database · checked Sep 19, 2026
24Partial evidenceSan Francisco, CA, United StatesHQ checked Sep 19, 202611-5046 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026
25Partial evidenceLimassol, CyprusHQ checked Sep 19, 202651-20046 contacts →

Partial evidence

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

Source: RevenueBase Database · checked Sep 19, 2026

Showing 25 of 2,141 appointment scheduling companies worldwide

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Appointment scheduling companies worldwide at a glance

As of Sep 19, 2026
24.9%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
1.2%Largest-city concentration · Paris
Sep 19, 2026Page data refreshed

Companies by employee count

1-10
1,524
11-50
472
51-200
96
201-500
21
501-1,000
9
1,001-5,000
4
10001+
1

Email recency is reported on each country list linked below.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among appointment scheduling companies, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
Coverage
Every country. Country and city lists for appointment scheduling companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “appointment scheduling companies”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names appointment scheduling companies), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among appointment scheduling companies, and records with no verified work email.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 3,078 across the full list. 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 19, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Appointment scheduling companies by location

9 lists · largest first

Every Appointment scheduling companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names appointment scheduling companies, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many appointment scheduling companies are there worldwide?

RevenueBase identified 2,141 appointment scheduling companies worldwide as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Zocdoc, headquartered in New York, tops this list with the largest team on record.

Which country has the most appointment scheduling companies?

The United States leads with 368 companies, followed by France (127) and Brazil (115). Every appointment scheduling companies list by country and city is linked on this page.

Which city has the most appointment scheduling companies?

Paris leads with 26 headquartered companies, followed by New York (22) and London (21).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 3,078 verified decision-maker contacts tracked across these 2,141 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 19, 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 Smart Search, 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.