Company lists · Data refreshed September 2026
Top 25 Outbound calling software vendors worldwide
RevenueBase identified 1,285 outbound calling software vendors worldwide as of September 2026 and tracks 11,524 professional contacts across them, including 1,732 with verified work emails. The United States is the largest market and London the largest hub.
This list covers outbound calling software vendors 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 29, 2026. Country and city lists for outbound calling software vendors 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.
The 25 largest outbound calling software vendors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 289 contacts → | ||||
Indirect evidence “Current Vertical Focus: Real Estate - Lead Generation, Lead Conversion, Lead Qualification, Agent Recruiting Mortgage - Lead Conversion, Lead Qualification Insurance - Lead…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 256 contacts → | ||||
Indirect evidence “Boomsourcing (A Fusion CX Company) is a call center established in 2007.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 247 contacts → | ||||
Indirect evidence “Rocket Connections is a sales and support platform specializing in contact center services.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 241 contacts → | ||||
Partial evidence “Convoso is an AI-powered contact center platform built for revenue teams and customer engagement organizations expanding into outbound growth.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 212 contacts → | ||||
Indirect evidence “At CloudTalk, we're transforming how small and growing businesses manage business calls.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 205 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 179 contacts → | ||||
Partial evidence “EVEN MEDIA INTERACTIVE is a computer software company based out of 12 BOULEVARD D ATHENES, MARSEILLE, France.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 148 contacts → | ||||
Indirect evidence “For 15 years, we steadily are providing face to face appointments to keep your sales people busy.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 143 contacts → | ||||
Partial evidence “Orum is the live calling performance system for modern SDR teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 139 contacts → | ||||
Partial evidence “Launching AI Adaptive Roleplays - Build Cold Call Mastery with AI Roleplays That Create Continuous Training Pathways After every calling session, AI spots new skill gaps and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 139 contacts → | ||||
Indirect evidence “AppitSimple Infotek Pvt Ltd - A Pioneer product-based IT company that has been revolutionizing & simplifying the way organizations do business since the last many years.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 109 contacts → | ||||
Partial evidence “Meet Robbu, software is about humanity, we are the first generation in the world to have this digital service experience!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 98 contacts → | ||||
Indirect evidence “Errescuer es una #empresa joven, fresca, responsable, con bases sólidas que nos van direccionando al crecimiento dentro del mercado de #CallCenter y #Telemercadeo.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 95 contacts → | ||||
Indirect evidence “CallTrackingMetrics is the only digital platform that uses call tracking intelligence to inform contact center automation-resulting in a more personalized customer experience.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 89 contacts → | ||||
Indirect evidence “Aloware is the compliant, AI-driven phone system that works with your CRM to help you improve sales conversations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 81 contacts → | ||||
Indirect evidence “Upstream BPO is a global business process outsourcing and customer experience company headquartered in Malaysia, with delivery operations in the Philippines and Uzbekistan.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 76 contacts → | ||||
Indirect evidence “CloudCall helps recruitment and sales teams connect faster, smarter, and with more context, directly inside their CRM.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 75 contacts → | ||||
Partial evidence “Kixie is a powerful, all-in-one calling and texting engagement platform that integrates natively with all leading CRMs, including HubSpot, Salesforce, Pipedrive, HighLevel, and…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 75 contacts → | ||||
Indirect evidence “The new Standard in Outsourcing!” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 73 contacts → | ||||
Partial evidence “Readymode is a cloud-based, outbound customer engagement platform built for sales teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 71 contacts → | ||||
Partial evidence “Adversus is an outbound sales platform for teams that want to make every lead count and turn more conversations into closed deals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 64 contacts → | ||||
Indirect evidence “Ytel helps sales teams talk to more people and close more deals.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 59 contacts → | ||||
Indirect evidence “Since 1994, TeleContact Resource Services has been committed to bringing the best in outsourced telemarketing solutions to our clients.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 53 contacts → | ||||
Indirect evidence “PhoneBurner is a power dialer that helps sales teams get through calls faster and have up to 4x more live conversations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 53 contacts → | ||||
Indirect evidence “Build your product.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: outbound calling software vendors. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names outbound calling software vendors.
- Partial evidence
- Its own public description names part of outbound calling software vendors, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name outbound calling software vendors. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
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Outbound calling software vendors worldwide at a glance
As of Sep 29, 2026Companies by employee count
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 outbound calling software vendors, 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 outbound calling software vendors are linked below.
- What qualifies
- Companies worldwide whose own description of what they do matches “outbound calling software vendors”. 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 outbound calling software vendors), 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 outbound calling software vendors, 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, 1,732 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 29, 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.
Outbound calling software vendors by location
6 lists · largest firstEvery Outbound calling software vendors list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Outbound calling software vendors based in the United States324
- Outbound calling software vendors based in India86
- Outbound calling software vendors based in the United Kingdom75
- Outbound calling software vendors based in Canada35
- Outbound calling software vendors based in Germany28
- Outbound calling software vendors based in Brazil27
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 outbound calling software vendors, 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 outbound calling software vendors are there worldwide?
RevenueBase identified 1,285 outbound calling software vendors 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?
Calltend INC, headquartered in Austin, tops this list with the largest team on record.
Which country has the most outbound calling software vendors?
The United States leads with 324 companies, followed by India (86) and the United Kingdom (75). Every outbound calling software vendors list by country and city is linked on this page.
Which city has the most outbound calling software vendors?
London leads with 34 headquartered companies, followed by New York (17) and Sheridan (15).
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 1,732 verified decision-maker contacts tracked across these 1,285 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 29, 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.