Company lists · Data refreshed September 2026

Top 25 Call center scheduling software companies worldwide

RevenueBase identified 158 call center scheduling software companies worldwide as of September 2026 and tracks 4,487 professional contacts across them, including 1,689 with verified work emails and 0 with mobile numbers. The United States is the largest market and London the largest hub.

This list covers call center scheduling software 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 14, 2026. Country and city lists for call center scheduling software 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 14, 2026 86% judged on-target in blind review
158Companies
4,487Contacts tracked
1,689Verified emails
0Mobile numbers
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The 25 largest call center scheduling software companies worldwide

Ranked by team size
Top 25 of 158 call center scheduling software companies worldwide, ranked by team size, largest first. Data refreshed Sep 14, 2026. RevenueBase Smart Search rates how each company's information relates to call center scheduling software 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 evidenceBoulder, CO, United StatesHQ checked Sep 14, 20261,001-5,000878 contacts →

Indirect evidence

“Decades of expertise distilled into innovative workforce tools.”

Source: RevenueBase Database · checked Sep 14, 2026
2Indirect evidenceMunich, GermanyHQ checked Sep 14, 2026501-1,000736 contacts →

Indirect evidence

“At ATOSS we are shaping working environments to the benefit of companies, employees and society.”

Source: RevenueBase Database · checked Sep 14, 2026
3Partial evidenceDunston, United KingdomHQ checked Sep 14, 202651-200227 contacts →

Partial evidence

“eg solutions is an enterprise workforce optimisation software company, specialising in the back office.”

Source: RevenueBase Database · checked Sep 14, 2026
4Indirect evidenceMarietta, GA, United StatesHQ checked Sep 14, 2026201-500223 contacts →

Indirect evidence

“Intradiem is the leader in Dynamic Workforce Orchestration for enterprises with large, structured workforces.”

Source: RevenueBase Database · checked Sep 14, 2026
5Partial evidenceMinneapolis, MN, United StatesHQ checked Sep 14, 202651-200181 contacts →

Partial evidence

“When I Work is the market leader in shift-based workforce management software and delivers a powerful, employee-first experience.”

Source: RevenueBase Database · checked Sep 14, 2026
6Indirect evidenceSan Francisco, CA, United StatesHQ checked Sep 14, 202651-200141 contacts →

Indirect evidence

“Industry leaders like Etsy, Robinhood, and Stripe trust Assembled to provide customer-facing AI agents and workforce planning at scale.”

Source: RevenueBase Database · checked Sep 14, 2026
7Indirect evidenceMadison, WI, United StatesHQ checked Sep 14, 202651-200121 contacts →

Indirect evidence

“Built for the largest and most complex frontline organizations in the world who want to deliver a flexible and modern experience to their employees, while improving operational…”

Source: RevenueBase Database · checked Sep 14, 2026
8Partial evidenceAtlanta, GA, United StatesHQ checked Sep 14, 2026201-500107 contacts →

Partial 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 14, 2026
9Strong evidenceSan Angelo, TX, United StatesHQ checked Sep 14, 2026501-1,00080 contacts →

Strong evidence

“Humanity Schedule is a leading demand-driven employee scheduling solution powered by TCP Software.”

Source: RevenueBase Database · checked Sep 14, 2026
10Indirect evidenceRichardson, TX, United StatesHQ checked Sep 14, 202651-20079 contacts →

Indirect evidence

“When you invest in a workforce management solution from IEX you get more than just a great product.”

Source: RevenueBase Database · checked Sep 14, 2026
11Indirect evidenceMunich, GermanyHQ checked Sep 14, 2026201-50073 contacts →

Indirect evidence

“Planerio optimiert auf Basis von Künstlicher Intelligenz die Personaleinsatzplanung für Branchen mit komplexen Anforderungen.”

Source: RevenueBase Database · checked Sep 14, 2026
12Indirect evidenceIlmenau, GermanyHQ checked Sep 14, 202651-20064 contacts →

Indirect evidence

“As of 03.01.2023 plano is operating as plano solutions gmbh and complements with the WFM solution plano the product portfolio of Interflex.”

Source: RevenueBase Database · checked Sep 14, 2026
13Partial evidenceSunnyvale, CA, United StatesHQ checked Sep 14, 20265,001-10,00062 contacts →

Partial evidence

“Empowering Digital-Focused Contact Centers with AI-Driven Workforce Management At Playvox by NiCE Workforce Management (WFM), we revolutionize customer interaction management…”

Source: RevenueBase Database · checked Sep 14, 2026
14Indirect evidenceBerlin, GermanyHQ checked Sep 14, 202651-20060 contacts →

Indirect evidence

“shyftplan ist die KI-unterstützte Lösung für Schichtplanung.”

Source: RevenueBase Database · checked Sep 14, 2026
15Indirect evidenceGaithersburg, MD, United StatesHQ checked Sep 14, 202651-20059 contacts →

Indirect evidence

Source: RevenueBase Database · checked Sep 14, 2026
16Indirect evidenceKarlsruhe, GermanyHQ checked Sep 14, 202651-20054 contacts →

Indirect evidence

“Mit Nesto gestalten wir die digitale Zukunft der Personalplanung.”

Source: RevenueBase Database · checked Sep 14, 2026
17Partial evidenceLondon, United KingdomHQ checked Sep 14, 202651-20047 contacts →

Partial evidence

“Support your people with a leading scheduling and workforce management solution.”

Source: RevenueBase Database · checked Sep 14, 2026
18Strong evidenceHeikendorf, GermanyHQ checked Sep 14, 202651-20046 contacts →

Strong evidence

“FLS GmbH has been developing and distributing real-time software for appointment scheduling and route planning, workforce management, and mobile solutions since 1992.”

Source: RevenueBase Database · checked Sep 14, 2026
19Strong evidenceSouth Jordan, UT, United StatesHQ checked Sep 14, 202651-20046 contacts →

Strong evidence

“Xima Software is dedicated to enabling companies to better manage their business through innovative contact center solutions.”

Source: RevenueBase Database · checked Sep 14, 2026
20Strong evidenceSeattle, WA, United StatesHQ checked Sep 14, 202651-20045 contacts →

Strong evidence

“Shiftboard is a leading provider of employee scheduling software for shift-based operations in mission-critical industries.”

Source: RevenueBase Database · checked Sep 14, 2026
21Indirect evidenceSanta Monica, CA, United StatesHQ checked Sep 14, 202651-20033 contacts →

Indirect evidence

“FrontLogix combines 20+ years of workforce excellence with industry-leading AI solutions to deliver forecast accuracy, real-time optimisation, and 24/7 customer satisfaction.”

Source: RevenueBase Database · checked Sep 14, 2026
22Indirect evidenceO'fallon, MO, United StatesHQ checked Sep 14, 202611-5033 contacts →

Indirect evidence

“Founded in 1983 and headquartered in St.”

Source: RevenueBase Database · checked Sep 14, 2026
23Indirect evidenceRichardson, TX, United StatesHQ checked Sep 14, 202611-5030 contacts →

Indirect evidence

“CommunityWFM (formerly WFMSG) was founded in 2005 by a team of industry-leading workforce management consultants.”

Source: RevenueBase Database · checked Sep 14, 2026
24Indirect evidenceLondon, United KingdomHQ checked Sep 14, 202611-5029 contacts →

Indirect evidence

“QStory is a complete WFM platform that eliminates the trade-offs between operational efficiency, customer service, and employee experience.”

Source: RevenueBase Database · checked Sep 14, 2026
25Indirect evidenceMilton Keynes, United KingdomHQ checked Sep 14, 202651-20029 contacts →

Indirect evidence

“Workplace helps consumer-facing businesses enable true workforce flexibility and collaboration, supporting both employee work/life balance and business objectives.”

Source: RevenueBase Database · checked Sep 14, 2026

Showing 25 of 158 call center scheduling software companies worldwide

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Call center scheduling software companies worldwide at a glance

As of Sep 14, 2026
37.6%Verified-email coverage
28.4Average contacts per company
11-50Median size (employees)
7.6%Largest-city concentration · London
Sep 14, 2026Page data refreshed

Companies by employee count

1-10
45
11-50
59
51-200
36
201-500
7
501-1,000
4
1,001-5,000
4
5,001-10,000
2

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 call center scheduling software 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
3 countries, largest first: the United States, the United Kingdom, Germany. Country and city lists for call center scheduling software companies are linked below.
What qualifies
Companies worldwide whose own description of what they do matches “call center scheduling software 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 call center scheduling software 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 call center scheduling software 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, 1,689 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 14, 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.

Call center scheduling software companies by location

3 lists · largest first

Every Call center scheduling software 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 call center scheduling software 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 call center scheduling software companies are there worldwide?

RevenueBase identified 158 call center scheduling software 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?

Aspect Software, headquartered in Boulder, tops this list with the largest team on record.

Which country has the most call center scheduling software companies?

The United States leads with 102 companies, followed by the United Kingdom (31) and Germany (25). Every call center scheduling software companies list by country and city is linked on this page.

Which city has the most call center scheduling software companies?

London leads with 12 headquartered companies, followed by Berlin (4) and New York (4).

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 1,689 verified decision-maker contacts tracked across these 158 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 14, 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.