Company lists · Data refreshed September 2026

Top 25 Contact center transformation consultants based in Türkiye

RevenueBase identified 192 company matches for contact center transformation consultants associated with Türkiye as of September 2026 and tracks 10,196 professional contacts across them, including 2,164 with verified work emails. Istanbul is the largest hub.

This list covers company matches for contact center transformation consultants 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 September 27, 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 Sep 27, 2026 How this list was built
192Companies
10,196Contacts tracked
2,164Verified emails
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The 25 largest contact center transformation consultants based in Türkiye

Ranked by team size
Top 25 of 192 company matches for contact center transformation consultants based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Sep 27, 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 Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Sep 27, 20261,001-5,000315 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 · Sep 27, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 20261,001-5,000204 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 · Sep 27, 2026 · View company records in RevenueBase
6Exact matchOstim Osb, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
7Exact matchUmraniye, TürkiyeHQ recorded Sep 27, 202610001+175 contacts →

Exact match

“Stratejik Dış kaynak İş Ortağıyız.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
8Exact matchSisli, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
9Exact matchBeykoz, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
10Exact matchAnkara, TürkiyeHQ recorded Sep 27, 202651-20033 contacts →

Exact match

“Lupe empowers businesses in their digital transformation journey, delivering innovative solutions across 25+ industries with our expert consulting team.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
11Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 202611-5030 contacts →

Exact match

“Inera Bilişim İş Analitikleri alanında hizmet veren, yetkin danışman kadrosu ile firmaların ihtiyaçlarını hızlı karşılık verebilen, tüm paydaşları için katma değer yaratmayı…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
12Exact matchSisli, TürkiyeHQ recorded Sep 27, 202611-5030 contacts →

Exact match

“Binovist Binovist is an innovative "IT Consultancy" company with many years of expertise and experience offering its customers services in the business solutions field, with a…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
13Exact matchBeşiktaş, TürkiyeHQ recorded Sep 27, 202651-20026 contacts →

Exact match

“In a fast changing world where fortunes are gained and lost faster than ever, transforming your business with technology and analytics are key.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
14Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 20261-1025 contacts →

Exact match

“We understand, design and execute.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
15Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 202611-5024 contacts →

Exact match

“Regna Consulting is an experienced Salesforce and SAP Partner about Customer Relationship Management, Customer Experience, C/4HANA, Customer Engagement and Commerce (CEC)…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
16Exact matchSiirt, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
17Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 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 · Sep 27, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Sep 27, 202611-5015 contacts →

Exact match

“Partner Republic is a tech-savvy company and provides data driven customer analytics and journey design solutions to their clients with the best fit technology.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Sep 27, 202611-5012 contacts →

Exact match

“CTCOMM, Intelligent Technologies for Secure & Efficient Contact Centers With over 25 years of expertise in telecommunications, IT, call center infrastructures, and voice…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
20Exact matchYenisehir, TürkiyeHQ recorded Sep 27, 202611-5011 contacts →

Exact match

“2008 Yılında Garanti Eğitim ve Danışmanlık olarak kurulan şirketimiz, global büyüme stratejilerimiz doğrultusunda 2019 yılı itibariyle Expremus olarak hizmet vermeye devam…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 202611-5011 contacts →

Exact match

“One Sistem Hizmetleri, önde gelen rekabetçi kurumlara, “Proaktif Çözüm Ortağınız!” ilkesi ile 10 yılı aşkın bir süredir, dijitalleşme konularında danışmanlık ve bilgi…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Sep 27, 202611-5010 contacts →

Exact match

“Labrys is a new breed of consultancy firm, empowering Marketing, CX and IT leaders on Customer Data, AI-assisted MarTech & Digital CX Operating Models and a unified architecture.”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
23Exact matchİstanbul, TürkiyeHQ recorded Sep 27, 202611-509 contacts →

Exact match

“musterihizmetleri.com" müşterisine önem veren kurumların, özellikle katma değerli hizmet üretimi, hizmette farklılık yaratma ile iş stratejilerini uygulamaya dönüştüren…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
24Exact matchAtaşehir, TürkiyeHQ recorded Sep 27, 20261-108 contacts →

Exact match

“Consult Saga | Eğitim Danışmanlık Limited Şirketi Consult Saga, kurumsal hayattan girişimcilik ekosistemine geçiş sağlayan iki ortak tarafından 20 yılı aşkın tecrübelerini…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase
25Exact matchEsenyurt, TürkiyeHQ recorded Sep 27, 20261-108 contacts →

Exact match

“We are a one-stop digital transformation company that provides you with a comprehensive package of distinct solutions, which includes Performance Marketing, Search Engine…”

Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase

Showing 25 of 192 contact center transformation consultants based in Türkiye

See the full list, filter by size, metro and specialty, and access 2,164 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Contact center transformation consultants based in Türkiye at a glance

As of Sep 27, 2026
21.2%Verified-email coverage
53.1Average contacts per company
1-10Median size (employees)
45.3%Largest-city concentration · Istanbul
Sep 27, 2026Page data refreshed

Companies by employee count

1-10
97
11-50
58
51-200
18
201-500
2
501-1,000
6
1,001-5,000
8
5,001-10,000
1
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 192 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 “contact center transformation consultants” 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 2,164 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 September 27, 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.

Contact center transformation consultants 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 “contact center transformation consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many contact center transformation consultants are there based in Türkiye?

RevenueBase identified 192 company matches for contact center transformation consultants associated with Türkiye as of September 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 contact center transformation consultants?

Istanbul leads with 87 company records, followed by Sisli (13) and Atasehir (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 2,164 professional contacts with verified work emails tracked across these 192 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 September 27, 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.