Company lists · Data refreshed November 2026

Top 25 Customer service solutions providers for B2B based in Türkiye

RevenueBase identified 260 company matches for customer service solutions providers for B2B associated with Türkiye as of November 2026 and tracks 14,748 professional contacts across them, including 2,697 with verified work emails. Istanbul is the largest hub.

This list covers company matches for customer service solutions providers for B2B 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 November 6, 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 Nov 6, 2026 How this list was built
260Companies
14,748Contacts tracked
2,697Verified emails
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The 25 largest customer service solutions providers for B2B based in Türkiye

Ranked by team size
Top 25 of 260 company matches for customer service solutions providers for B2B based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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 Nov 6, 202610001+6,889 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20265,001-10,000446 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchİzmir, TürkiyeHQ recorded Nov 6, 2026501-1,000353 contacts →

Exact match

“CeyBer, 2016 yılından bu yana markaların müşteri deneyimi operasyonlarını teknoloji, insan ve süreç yönetimi odağıyla uçtan uca yöneten yeni nesil bir müşteri deneyimi ve iş…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000353 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000333 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 · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000241 contacts →

Exact match

“Mayen, is a service provider leader in value-added Customer Relationship Management services exceeding over employees located in 12 locations.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchOstim Osb, TürkiyeHQ recorded Nov 6, 2026501-1,000235 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 · Nov 6, 2026 · View company records in RevenueBase
8Exact matchUmraniye, TürkiyeHQ recorded Nov 6, 202610001+190 contacts →

Exact match

“Stratejik Dış kaynak İş Ortağıyız.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000183 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 · Nov 6, 2026 · View company records in RevenueBase
10Exact matchSisli, TürkiyeHQ recorded Nov 6, 2026501-1,000145 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026201-500125 contacts →

Exact match

“CottGroup® is a holistic service organization that offers a full range of consulting, outsourcing, technology, and training services to manage operations and provide practical…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026n/a102 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 · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBayrakli, TürkiyeHQ recorded Nov 6, 202651-200100 contacts →

Exact match

“We Are Together”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact match4. Levent, TürkiyeHQ recorded Nov 6, 202651-20094 contacts →

Exact match

“Her büyüklükten ve her sektörden firmaya yüksek kaliteli iletişim çözümleri sunarken aynı zamanda tümü kendi alanında teknoloji lideri olan firmaların Türkiye distribütörlüğünü…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchKagithane, TürkiyeHQ recorded Nov 6, 2026201-50091 contacts →

Exact match

“We are champions for meaningful progress, helping our clients to win, keep and grow their best customers.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchGaziemir, TürkiyeHQ recorded Nov 6, 2026201-50073 contacts →

Exact match

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

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSoke, TürkiyeHQ recorded Nov 6, 2026501-1,00071 contacts →

Exact match

“Bir e-ticaret markası için iki kritik an vardır: müşterinin "Satın Al" butonuna basmaya karar verdiği an ve paketin kapıya ulaştığı an.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5068 contacts →

Exact match

“Uzman CRM, kurumların ihtiyaçları doğrultusunda Müşteri İlişkileri Yönetimi ve Sektörel Çözümler üreten yenilikçi bir teknoloji firmasıdır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchKuzguncuk, TürkiyeHQ recorded Nov 6, 20265,001-10,00065 contacts →

Exact match

“YK Holding olarak 1996’dan bugüne birçok işletmeye sunduğumuz OUTSOURCING hizmetleriyle sektörde güçlü, güvenilir ve bilinen bir markayız.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“2006 yılında kaliteli hizmet anlayışı ilkesiyle çalışmalarına başlayan Gegi, bugün ürün ve hizmetlerini kurumsal şirkete sunmaktadır.Her geçen gün ürün ve hizmet portföyünü…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Decided to develop cloud base Windesk software platform to be used the unified contact center, operational / business process management and ITIL base itsm products and solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIzmir, TürkiyeHQ recorded Nov 6, 2026201-50039 contacts →

Exact match

“EVB, yurtiçi ve yurtdışında bulunan partnerlerine bilişim, enerji ve iletişim sektörlerinde hizmet vermektedir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“2007 yılında Çağrı Merkezleri için müşteri temsilcisi temin eden bir İnsan Kaynakları firması olarak hizmet vermeye başladık.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Misyon Çağrı merkezi sektöründe müşterilerimize entegre ve özelleştirilmiş yazılım çözümleri; hızlı, esnek, kaliteli destek hizmeti; sektörel ve teknolojik danışmanlık hizmeti…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchKağıthane, TürkiyeHQ recorded Nov 6, 202611-5038 contacts →

Exact match

“Tegsoft is a Contact Center solution both running as on-prem and cloud SaaS, that offers omnichannel customer experience management over communication channels such as phone…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

Showing 25 of 260 customer service solutions providers for B2B based in Türkiye

See the full list, filter by size, metro and specialty, and access 2,697 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Customer service solutions providers for B2B based in Türkiye at a glance

As of Nov 6, 2026
18.3%Verified-email coverage
56.7Average contacts per company
11-50Median size (employees)
41.2%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
82
11-50
92
51-200
33
201-500
20
501-1,000
11
1,001-5,000
17
5,001-10,000
2
10001+
2

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 260 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 service solutions providers for B2B” 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 2,697 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 6, 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.

Customer service solutions providers for B2B by metro

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 service solutions providers for B2B”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many customer service solutions providers for B2B are there based in Türkiye?

RevenueBase identified 260 company matches for customer service solutions providers for B2B associated with Türkiye 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?

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 service solutions providers for B2B?

Istanbul leads with 107 company records, followed by Izmir (15) and Ankara (11).

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 2,697 professional contacts with verified work emails tracked across these 260 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 6, 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.