Company lists · Data refreshed November 2026

Top 25 Telecom software companies worldwide

RevenueBase identified 2,303 company matches for telecom software companies worldwide as of November 2026 and tracks 122,026 professional contacts across them, including 31,146 with verified work emails. India is the largest market and London the largest hub.

This list covers company matches for telecom software companies worldwide, 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 5, 2026. Country and city lists for telecom software companies follow the table.

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 5, 2026 How this list was built
2,303Companies
122,026Contacts tracked
31,146Verified emails
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The 25 largest telecom software companies worldwide

Ranked by team size
Top 25 of 2,303 company matches for telecom software companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchChesterfield, United StatesHQ recorded Nov 5, 202610001+40,946 contacts →

Exact match

“Who are we?”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchEnglewood, CO, United StatesHQ recorded Nov 5, 20265,001-10,0006,123 contacts →

Exact match

“CSG is a leader in innovative customer engagement, revenue management and payments solutions that make ordinary customer experiences extraordinary.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchSão Paulo, BrazilHQ recorded Nov 5, 202610001+5,504 contacts →

Exact match

“A Icomon atua há 37 anos com alta performance em tecnologia e telecomunicações.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchKarachi, PakistanHQ recorded Nov 5, 20261,001-5,0002,193 contacts →

Exact match

“Contour Software is a wholly owned subsidiary of Constellation Software CSI acquires, manages, and builds market-leading vertical market software (“VMS”) businesses that develop…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchMelbourne, PA, GermanyHQ recorded Nov 5, 20261,001-5,0001,562 contacts →

Exact match

“Hansen Technologies (ASX:HSN) is a global software and services provider to the energy, water/utilities and telecommunications industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchEspoo, FinlandHQ recorded Nov 5, 2026501-1,0001,291 contacts →

Exact match

“Headquartered in Finland, Tecnotree Corporation was founded in 1978 and is the leading provider of full-stack Digital BSS for CSPs and DSPs.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchBangalore, IndiaHQ recorded Nov 5, 20261,001-5,0001,223 contacts →

Exact match

“Huawei Technologies India is the largest overseas software development center of Huawei, a leading global information and communications technology (ICT) solutions provider.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchBaar, SwitzerlandHQ recorded Nov 5, 2026n/a870 contacts →

Exact match

“We are leading provider of telecom business intelligence and device management solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchBandung, IndonesiaHQ recorded Nov 5, 2026501-1,000755 contacts →

Exact match

“Located in Bandung, West Java with 695 employees (on March 2009), PT INTI (Indonesian Telecommunication Industry) has involved in telecommunication business for 35 years.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchHelsinki, FinlandHQ recorded Nov 5, 2026501-1,000730 contacts →

Exact match

“Qvantel, established in 1995, is a leading provider of digital BSS and monetization software to the telecommunications and digital services industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchStockholm, SwedenHQ recorded Nov 5, 2026501-1,000676 contacts →

Exact match

“Enea is a global specialist in advanced telecom and cybersecurity software, with a vision to make the world’s communications safer and more efficient.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchSt Petersburg, RussiaHQ recorded Nov 5, 20261,001-5,000608 contacts →

Exact match

“Nexign is an international BSS provider with 30+ years of experience operating across 14 countries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchJakarta Selatan, IndonesiaHQ recorded Nov 5, 2026201-500536 contacts →

Exact match

“Dua Empat Tujuh, PT, or also known as Solusi247, is an integrated solution for Information Technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchOr Yehuda, IsraelHQ recorded Nov 5, 202651-200527 contacts →

Exact match

“FTS works with telecommunications, content and payment service providers globally to help them manage complex transactions and relationships with greater flexibility and greater…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchRiyadh, Saudi ArabiaHQ recorded Nov 5, 20261,001-5,000526 contacts →

Exact match

“Advanced Communications & Electronic Systems Company is a multi-faceted enterprise with a particular focus on developing and distributing total solutions in the area of…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchKota, IndiaHQ recorded Nov 5, 2026501-1,000459 contacts →

Exact match

“As an established player in telecom services industry and a long standing partner to a wide range of operators and vendors, NR fully understands the complete process of Planning…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchTehran, IranHQ recorded Nov 5, 2026501-1,000454 contacts →

Exact match

“BEHSA (Behpardaz Hamrah Samaneh Aval) Corp.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchChennai, IndiaHQ recorded Nov 5, 2026201-500441 contacts →

Exact match

“ExcelaCom Technologies is an independent software vendor, offering BSS/OSS solutions and services to Tier 1 to Tier 3 NGN communications players across multiple geographies.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchEsenler, TürkiyeHQ recorded Nov 5, 2026201-500428 contacts →

Exact match

“i2i Systems is an international information technology company that specializes in developing innovative ideas and solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchLondon, United KingdomHQ recorded Nov 5, 2026201-500381 contacts →

Exact match

“Cerillion is a leading provider of BSS/OSS software for the telecommunications industry, with over 25 years’ experience supporting mobile, fixed, cable and multi-service operators…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchBangalore, IndiaHQ recorded Nov 5, 20261,001-5,000379 contacts →

Exact match

“Idea Infinity IT Solutions Pvt Ltd, was founded in year 2008, is a Bangalore head quartered CMMI Level-5 appraised and ISO/ISMS certified specialized Information Technology…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchTempe, AZ, United StatesHQ recorded Nov 5, 2026201-500356 contacts →

Exact match

“Innovation for the Last Mile® PCT International, Inc is at the forefront of an evolving industry with superior telecom solutions.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchChennai, IndiaHQ recorded Nov 5, 2026201-500355 contacts →

Exact match

“NMSWorks Software delivers OSS and BSS solutions to some of the largest and most demanding telecom service providers, network equipment vendors and enterprises.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchHyderabad, IndiaHQ recorded Nov 5, 2026201-500353 contacts →

Exact match

“Netxcell Limited is a pioneer in the telecom sector, with a collective vision: To cater to the global emerging and demanding trends in wireless technology.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchSantander, SpainHQ recorded Nov 5, 2026201-500336 contacts →

Exact match

“CIC, Consulting Informático de Cantabria, is an engineering and software development company founded in 1990, with a solid track record for communications, system integration and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 2,303 telecom software companies worldwide

See the full list, filter by size, metro and specialty, and access 31,146 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Telecom software companies worldwide at a glance

As of Nov 5, 2026
25.5%Verified-email coverage
53.0Average contacts per company
11-50Median size (employees)
1.6%Largest-city concentration · London
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
732
11-50
902
51-200
413
201-500
142
501-1,000
41
1,001-5,000
34
5,001-10,000
10
10001+
7

Email recency is reported on each country list linked below.

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.
Coverage
Every country. Country and city lists for telecom software companies are linked below.
What qualifies
Company records worldwide whose business descriptions match “telecom software 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. 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 31,146 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 5, 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.

Telecom software companies by location

18 lists · largest first

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

Countries

Cities

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 “telecom software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many telecom software companies are there worldwide?

RevenueBase identified 2,303 company matches for telecom software companies worldwide 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?

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

Which country has the most telecom software companies?

India leads with 281 companies, followed by the United States (227) and Brazil (142). Every telecom software companies list by country and city is linked on this page.

Which city has the most telecom software companies?

London leads with 37 company records, followed by Bangalore (34) and New Delhi (28).

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 31,146 professional contacts with verified work emails tracked across these 2,303 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 5, 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.