Company lists · Data refreshed October 2026

Top 19 Customer support call centers based in Türkiye

RevenueBase identified 76 company matches for customer support call centers associated with Türkiye as of October 2026 and tracks 9,657 professional contacts across them, including 1,929 with verified work emails. Istanbul is the largest hub.

This list covers company matches for customer support call centers associated with Türkiye, 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 October 1, 2026.

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 Oct 1, 2026 How this list was built
76Companies
9,657Contacts tracked
1,929Verified emails
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The 19 largest customer support call centers based in Türkiye

Ranked by team size
Top 19 of 76 company matches for customer support call centers based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 matchBeyoglu, TürkiyeHQ recorded Oct 1, 202610001+6,167 contacts →

Exact match

“Bir Turkcell grup şirketi olarak yılında kurulduğumuzda amacımız hep eşsiz bir müşteri deneyimi yaşatmaktı.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 20265,001-10,000489 contacts →

Exact match

“Mplus Turkiye, one of Turkey's largest independent outsourcing providers, was founded in in Istanbul.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 20261,001-5,000295 contacts →

Exact match

“On its journey up to today, ETB GROUP, the foundations of which were laid in 2003, has reached the present, growing with its experience and accumulation knowledge obtained in…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchOstim Osb, TürkiyeHQ recorded Oct 1, 2026501-1,000192 contacts →

Exact match

“Günümüz teknolojik gelişmeleri ve iletişim kanalları sayesinde son kullanıcılar çok daha hızlı bir şekilde işlemlerini sonlandırabilmektedir.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 20261,001-5,000176 contacts →

Exact match

“SİTE TELEKOM A.Ş 2010 senesinde kurulan Site Telekom, özel ve kamu sektöründe birçok çağrı merkezi projesine imza atmıştır.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchSisli, TürkiyeHQ recorded Oct 1, 2026501-1,000111 contacts →

Exact match

“İleri düzey satış stratejileri, memnuniyet ve anket hizmetleri, denetim aramaları, hizmet odaklı özel çalışmaları ile sektörde adından söz ettiren Pozitif Kurumsal A.Ş, alt…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchBayrakli, TürkiyeHQ recorded Oct 1, 202651-20092 contacts →

Exact match

“We Are Together”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 2026n/a78 contacts →

Exact match

“Firmaların arzuladıkları operasyonel mükemmellik, kesintisiz hizmet, maliyet avantajı ve esneklik gibi değerleri sunabilmek vizyonuyla yola çıkan Callpex, son teknoloji altyapısı…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchGaziemir, TürkiyeHQ recorded Oct 1, 2026201-50060 contacts →

Exact match

“Callart Rehberlik ve Müşteri Hizmetleri, Mayıs 2012'de kurulmuştur.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchBeykoz, TürkiyeHQ recorded Oct 1, 20261,001-5,00038 contacts →

Exact match

“Since 2004, we have been helping customers transform and benchmark their contact centres to be amongst the best in the world using our experienced team and leading technologies.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchIzmit, TürkiyeHQ recorded Oct 1, 202651-20031 contacts →

Exact match

“Callaktif offers "Brand Satisfaction Center" services to its clients; being volunteer to be all-inclusive corporate communication solutions provider.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchSiirt, TürkiyeHQ recorded Oct 1, 2026501-1,00019 contacts →

Exact match

“Ulaknet Call Center is a company based out of Yeni,Necmettin Bilgin Cd.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 20261-1015 contacts →

Exact match

“One vendor for all your needs Let us transform your organization to be ready for digital with the world's A-class solutions at the most affordable costs.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchIzmir, TürkiyeHQ recorded Oct 1, 202651-20015 contacts →

Exact match

“Temp Team is een Nederlandstalig klantcommunicatiecentrum opgericht in Kayseri.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchİzmir, TürkiyeHQ recorded Oct 1, 202651-20010 contacts →

Exact match

“As "Customer Care Global" we are a leading company in the customer care and IT services sector.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 20261-104 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 202611-503 contacts →

Exact match

“PhonoClick is an Istanbul-based technology company specializing in research and development of network-based customer interaction solutions for a wide range of businesses…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchİzmir, TürkiyeHQ recorded Oct 1, 202651-2002 contacts →

Exact match

“Wir sind ein Modernes Callcenter das mit großer Freude Kommunikation lebt.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchEsenyurt, TürkiyeHQ recorded Oct 1, 202611-502 contacts →

Exact match

“Our entrepreneurial activities are based on the commercial branch.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 19 of 76 customer support call centers based in Türkiye

See the full list, filter by size, metro and specialty, and access 1,929 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer support call centers based in Türkiye at a glance

As of Oct 1, 2026
20.0%Verified-email coverage
127.1Average contacts per company
51-200Median size (employees)
34.2%Largest-city concentration · Istanbul
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
9
11-50
28
51-200
16
201-500
7
501-1,000
7
1,001-5,000
7
5,001-10,000
1
10001+
1

Email recency for this list is measured worldwide rather than for Türkiye, so it is reported there. Company counts and contact totals on this page are exact for Türkiye, over 76 companies.

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.
What qualifies
Company records associated with Türkiye whose business descriptions match “customer support call centers” 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. Where headquarters information is recorded, preview rows are also filtered to this page’s location. 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 1,929 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 October 1, 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.

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 “customer support call centers”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer support call centers are there based in Türkiye?

RevenueBase identified 76 company matches for customer support call centers associated with Türkiye as of October 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?

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

Which city has the most customer support call centers?

Istanbul leads with 26 company records, followed by Izmir (6) and Ankara (3).

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 1,929 professional contacts with verified work emails tracked across these 76 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 October 1, 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.