Company lists · Data refreshed September 2026

Top 15 Virtual customer service providers based in Türkiye

RevenueBase identified 37 virtual customer service providers headquartered in Türkiye as of September 2026 and tracks 8,833 professional contacts across them, including 1,956 with verified work emails. Istanbul is the largest hub.

This list covers virtual customer service providers headquartered in Türkiye, 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 22, 2026.

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 22, 2026 86% judged on-target in blind review
37Companies
8,833Contacts tracked
1,956Verified emails
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The 15 largest virtual customer service providers based in Türkiye

Ranked by team size
Top 15 of 37 virtual customer service providers based in Türkiye, ranked by team size, largest first. Data refreshed Sep 22, 2026. RevenueBase Smart Search rates how each company's information relates to virtual customer service providers: 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 evidenceBeyoglu, TürkiyeHQ checked Sep 22, 202610001+6,167 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
2Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 20265,001-10,000489 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
3Indirect evidenceİstanbul, TürkiyeHQ checked Sep 22, 20261,001-5,000315 contacts →

Indirect evidence

“EchoCCS operational and strategic consultancy services such as call center and business process outsourcing services (Call Center Outsourcing, BPO), advanced call center…”

Source: RevenueBase Database · checked Sep 22, 2026
4Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 20261,001-5,000295 contacts →

Indirect evidence

“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…”

Source: RevenueBase Database · checked Sep 22, 2026
5Indirect evidenceİzmir, TürkiyeHQ checked Sep 22, 2026501-1,000263 contacts →

Indirect evidence

“CeyBer kurulduğu 2016 yılından beri Çağrı Merkezi hizmeti vermektedir.”

Source: RevenueBase Database · checked Sep 22, 2026
6Indirect evidenceOstim Osb, TürkiyeHQ checked Sep 22, 2026501-1,000192 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
7Indirect evidenceİstanbul, TürkiyeHQ checked Sep 22, 20261,001-5,000176 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
8Indirect evidenceBayrakli, TürkiyeHQ checked Sep 22, 202651-20092 contacts →

Indirect evidence

“We Are Together”

Source: RevenueBase Database · checked Sep 22, 2026
9Indirect evidenceIstanbul, TürkiyeHQ checked Sep 22, 2026n/a78 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
10Indirect evidenceSiirt, TürkiyeHQ checked Sep 22, 2026501-1,00019 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
11Indirect evidenceKonya, TürkiyeHQ checked Sep 22, 202651-20016 contacts →

Indirect evidence

“iMA Contact is een, met meer dan 17 jaar ervaring in het bieden van uitstekende klantenservice.”

Source: RevenueBase Database · checked Sep 22, 2026
12Indirect evidenceİstanbul, TürkiyeHQ checked Sep 22, 202651-2006 contacts →

Indirect evidence

“Creafone powers the growth of disruptive startups by delivering tailored outsourcing solutions.”

Source: RevenueBase Database · checked Sep 22, 2026
13Partial evidenceMaltepe, TürkiyeHQ checked Sep 22, 202611-503 contacts →

Partial evidence

Customer Care Lösungen für E-Commerce Startups und KMU - skalierbar und kostenreduzierend mit caredsk caredsk bietet managed und unmanaged Customer Care Outsourcing für Ihren…”

Source: RevenueBase Database · checked Sep 22, 2026
14Indirect evidenceİzmir, TürkiyeHQ checked Sep 22, 202651-2002 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026
15Indirect evidenceEsenyurt, TürkiyeHQ checked Sep 22, 202611-502 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 22, 2026

Showing 15 of 37 virtual customer service providers based in Türkiye

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Virtual customer service providers based in Türkiye at a glance

As of Sep 22, 2026
22.1%Verified-email coverage
238.7Average contacts per company
51-200Median size (employees)
32.4%Largest-city concentration · Istanbul
Sep 22, 2026Page data refreshed

Companies by employee count

1-10
2
11-50
10
51-200
11
201-500
3
501-1,000
5
1,001-5,000
4
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 37 companies.

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 virtual customer service providers, 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.
What qualifies
Companies headquartered in Türkiye whose own description of what they do matches “virtual customer service providers”. 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 virtual customer service providers), 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 virtual customer service providers, and records with no verified work email. Companies headquartered outside Türkiye are excluded even when they keep an office there.
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, 1,956 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 22, 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.

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 virtual customer service providers, 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 virtual customer service providers are there based in Türkiye?

RevenueBase identified 37 virtual customer service providers headquartered in Türkiye 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?

Turkcell Global Bilgi, headquartered in Beyoglu, tops this list with the largest team on record.

Which city has the most virtual customer service providers?

Istanbul leads with 12 headquartered companies, followed by Ankara (2) and Izmir (2).

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 1,956 verified decision-maker contacts tracked across these 37 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 22, 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.