Company lists · Data refreshed September 2026

Top 25 Telecom customer acquisition firms worldwide

Name: Telecom customer acquisition firms worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 19, 2026 3,491 companies tracked

RevenueBase identified 3,491 telecom customer acquisition firms worldwide as of September 2026 and tracks 39,204 professional contacts across them, including 4,113 with verified work emails and 0 with mobile numbers. The United States is the largest market and Pune the largest hub.

This list covers telecom customer acquisition firms 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 telecom customer acquisition firms 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

3,491Companies

39,204Contacts tracked

4,113Verified emails

0Mobile numbers

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The 25 largest telecom customer acquisition firms worldwide

Ranked by team size

Top 25 of 3,491 telecom customer acquisition firms worldwide, ranked by team size, largest first. Data refreshed Sep 19, 2026. RevenueBase Smart Search rates how each company's information relates to telecom customer acquisition firms: 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Girnar Care	Partial evidence	Jaipur, IndiaHQ checked Sep 19, 2026	501-1,000	649 contacts →
	Partial evidence “We at Girnar Care work towards customer satisfaction and it is also a center of customer excellence.” Source: RevenueBase Database · checked Sep 19, 2026
2	Coriolis	Indirect evidence	Paris, FranceHQ checked Sep 19, 2026	1,001-5,000	628 contacts →
	Indirect evidence “Coriolis, société française pionnière des communications mobiles, est devenue un acteur clé sur le marché des télécommunications et de la relation client.” Source: RevenueBase Database · checked Sep 19, 2026
3	Demandshore	Indirect evidence	San Francisco, CA, United StatesHQ checked Sep 19, 2026	501-1,000	478 contacts →
	Indirect evidence “About DemandShore Since 2004, we’ve been working hard to deliver value to Sales & Marketing professionals across B2B Technology companies globally.” Source: RevenueBase Database · checked Sep 19, 2026
4	Sg360	Indirect evidence	Wheeling, IL, United StatesHQ checked Sep 19, 2026	501-1,000	477 contacts →
	Indirect evidence “sg360° can help you identify and connect with your best prospects 1:1, both offline and on.” Source: RevenueBase Database · checked Sep 19, 2026
5	Smart Circle International	Partial evidence	Newport Beach, CA, United StatesHQ checked Sep 19, 2026	51-200	426 contacts →
	Partial evidence “At Smart Circle, our goal is to provide our clients with access to customized face-to- face marketing and sales solutions by connecting our clients with a dynamic network of…” Source: RevenueBase Database · checked Sep 19, 2026
6	Touchstone Communications	Indirect evidence	Fort Worth, TX, United StatesHQ checked Sep 19, 2026	501-1,000	393 contacts →
	Indirect evidence “Touchstone Communications was built in 2002 on the philosophy of hiring educated, motivated talent and then providing them with the best training and management to achieve our…” Source: RevenueBase Database · checked Sep 19, 2026
7	Cobmax	Indirect evidence	Sao Jose Do Rio Preto, BrazilHQ checked Sep 19, 2026	501-1,000	376 contacts →
	Indirect evidence “A Cobmax é uma Sales Center com inteligência em vendas, fruto de metodologia própria, testada e aprovada em 11 anos de experiência.” Source: RevenueBase Database · checked Sep 19, 2026
8	EIMS	Indirect evidence	Bournemouth, United KingdomHQ checked Sep 19, 2026	501-1,000	369 contacts →
	Indirect evidence “Welcome to EIMS.” Source: RevenueBase Database · checked Sep 19, 2026
9	Jumpcrew	Partial evidence	Nashville, TN, United StatesHQ checked Sep 19, 2026	201-500	339 contacts →
	Partial evidence “Launch-ready sales teams, experienced leaders, and time-tested processes to help you acquire new customers faster and with less risk than doing it alone.” Source: RevenueBase Database · checked Sep 19, 2026
10	Inventive SMI	Indirect evidence	IndiaHQ checked Sep 19, 2026	201-500	339 contacts →
	Indirect evidence “Inventive SMi was founded in 2008 with the goal of providing enterprise-grade communications solutions to businesses of all sizes.” Source: RevenueBase Database · checked Sep 19, 2026
11	CPM Australia	Strong evidence	Wantirna South, AustraliaHQ checked Sep 19, 2026	1,001-5,000	263 contacts →
	Strong evidence “CPM Australia, as a member of CPM International, brings to the marketplace a local solution with unrivalled global experience and knowledge as customer acquisition, sales and…” Source: RevenueBase Database · checked Sep 19, 2026
12	Rocket Connections	Indirect evidence	Detroit, MI, United StatesHQ checked Sep 19, 2026	1,001-5,000	247 contacts →
	Indirect evidence “Rocket Connections is a sales and support platform specializing in contact center services.” Source: RevenueBase Database · checked Sep 19, 2026
13	The Telemarketing Company	Indirect evidence	Brighton, United KingdomHQ checked Sep 19, 2026	201-500	243 contacts →
	Indirect evidence “The Telemarketing Company is one of the UK's most trusted telemarketing agencies, delivering flexible, high-quality voice services, including pre and post sales research…” Source: RevenueBase Database · checked Sep 19, 2026
14	Mercadeo	Indirect evidence	Mumbai, IndiaHQ checked Sep 19, 2026	51-200	240 contacts →
	Indirect evidence “Mercadeo strategies are embedded in a sound foundation of proven, time tested business fundamentals, a deep understanding of different market dynamics and intimate knowledge of…” Source: RevenueBase Database · checked Sep 19, 2026
15	Mediapost Group	Indirect evidence	Madrid, SpainHQ checked Sep 19, 2026	201-500	208 contacts →
	Indirect evidence “Mediapost es una compañía líder en servicios de marketing relacional que te ofrece una amplia gama de soluciones multicanal que te ayudarán a captar nuevos clientes, fidelizar a…” Source: RevenueBase Database · checked Sep 19, 2026
16	Quantum 3 Media	Strong evidence	Charlotte, NC, United StatesHQ checked Sep 19, 2026	51-200	204 contacts →
	Strong evidence “Quantum 3 Media is one of the fastest growing organizations within the customer acquisition, lead generation/Pay per call within all verticals of insurance and education, contact…” Source: RevenueBase Database · checked Sep 19, 2026
17	Connect6 Group	Indirect evidence	North York, ON, CanadaHQ checked Sep 19, 2026	201-500	195 contacts →
	Indirect evidence “At Connect6 Group, we recognize that every client is distinct.” Source: RevenueBase Database · checked Sep 19, 2026
18	BNZSA	Indirect evidence	Las Rozas De Madrid, SpainHQ checked Sep 19, 2026	201-500	194 contacts →
	Indirect evidence “BNZSA, powered by Anteriad is a leading marketing agency specialising in tele-based demand generation with a team of more than 350 who are experts in delivering qualified…” Source: RevenueBase Database · checked Sep 19, 2026
19	Signia	Indirect evidence	Westminster, CO, United StatesHQ checked Sep 19, 2026	201-500	181 contacts →
	Indirect evidence “Signia aims to provide marketing services to targeted business environments in the US.” Source: RevenueBase Database · checked Sep 19, 2026
20	Alleyoop	Indirect evidence	Buffalo, NY, United StatesHQ checked Sep 19, 2026	51-200	175 contacts →
	Indirect evidence “We help companies maximize ROI through lead generation, relationship management, and event support.” Source: RevenueBase Database · checked Sep 19, 2026
21	BTB Venture Group	Indirect evidence	Pune, IndiaHQ checked Sep 19, 2026	51-200	158 contacts →
	Indirect evidence “We are a leading demand generation and lead generation company operating across the USA, Europe, India, Middle East, and Asia Pacific - we specialize in driving targeted leads and…” Source: RevenueBase Database · checked Sep 19, 2026
22	Revvlocity	Indirect evidence	Bangalore, IndiaHQ checked Sep 19, 2026	51-200	153 contacts →
	Indirect evidence “We are Revvlocity!” Source: RevenueBase Database · checked Sep 19, 2026
23	Upsell	Indirect evidence	Montrouge, FranceHQ checked Sep 19, 2026	51-200	144 contacts →
	Indirect evidence “Upsell assure la commercialisation des marques qui lui sont confiées auprès de l’ensemble des circuits de distribution.” Source: RevenueBase Database · checked Sep 19, 2026
24	Isales AB	Indirect evidence	Stadshagen, SwedenHQ checked Sep 19, 2026	201-500	136 contacts →
	Indirect evidence “iSales AB är en inspirationskälla för många individer med en grundsyn att mångfald skapar både bättre idéer och affärer.” Source: RevenueBase Database · checked Sep 19, 2026
25	Granton Marketing BV	Indirect evidence	Zoetermeer, NetherlandsHQ checked Sep 19, 2026	51-200	136 contacts →
	Indirect evidence “GMSF is gespecialiseerd in hoogwaardige sales outsourcing.” Source: RevenueBase Database · checked Sep 19, 2026

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: telecom customer acquisition firms. 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 telecom customer acquisition firms.
Partial evidence: Its own public description names part of telecom customer acquisition firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name telecom customer acquisition firms. 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.

Showing 25 of 3,491 telecom customer acquisition firms worldwide

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Telecom customer acquisition firms worldwide at a glance

As of Sep 19, 2026

10.5%Verified-email coverage

11.2Average contacts per company

11-50Median size (employees)

3.1%Largest-city concentration · Pune

Sep 19, 2026Page data refreshed

Companies by employee count

1-10

1,522

11-50

1,364

51-200

442

201-500

110

501-1,000

1,001-5,000

5,001-10,000

10001+

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 telecom customer acquisition firms, 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: 14 countries, largest first: the United States, the United Kingdom, India, Germany, Canada, Brazil, Spain, the Netherlands, Italy, France and 4 more. Country and city lists for telecom customer acquisition firms are linked below.
What qualifies: Companies worldwide whose own description of what they do matches “telecom customer acquisition firms”. 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 telecom customer acquisition firms), 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 telecom customer acquisition firms, 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, 4,113 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.

Telecom customer acquisition firms by location

15 lists · largest first

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

Countries

Cities

Telecom customer acquisition firms based in Los Angeles, United States32

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 telecom customer acquisition firms, 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 telecom customer acquisition firms are there worldwide?

RevenueBase identified 3,491 telecom customer acquisition firms 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?

Girnar Care, headquartered in Jaipur, tops this list with the largest team on record.

Which country has the most telecom customer acquisition firms?

The United States leads with 1,525 companies, followed by the United Kingdom (450) and India (389). Every telecom customer acquisition firms list by country and city is linked on this page.

Which city has the most telecom customer acquisition firms?

Pune leads with 108 headquartered companies, followed by London (97) and New York (46).

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 4,113 verified decision-maker contacts tracked across these 3,491 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.