Company lists · Data refreshed November 2026

Top 25 Corporate services based in Türkiye

RevenueBase identified 854 company matches for corporate services associated with Türkiye as of November 2026 and tracks 6,512 professional contacts across them, including 749 with verified work emails. Istanbul is the largest hub.

This list covers company matches for corporate services 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
854Companies
6,512Contacts tracked
749Verified emails
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The 25 largest corporate services based in Türkiye

Ranked by team size
Top 25 of 854 company matches for corporate services 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 matchİstanbul, TürkiyeHQ recorded Nov 6, 2026501-1,000392 contacts →

Exact match

“Sistem Group has been founded in 1996 and has more than 170 employees in the group offices in Ankara, İstanbul, Adana, Bursa, Gaziantep and İzmir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact 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
3Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000168 contacts →

Exact match

“Tesis yönetim hizmeti sunmak üzere yılında kurulan İş Merkezleri Yönetim ve İşletim A.Ş.(İŞMER), faaliyet alanındaki gelişmeleri yakından takip ederek hizmet portföyünü ve…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchÜsküdar, TürkiyeHQ recorded Nov 6, 20261,001-5,000135 contacts →

Exact match

“2005 yılında kurulan şirketimiz, tesis yönetimi, temizlik, ofis destek, servis ve ikram hizmetleri konularında hizmet sunan ülkemizin lider şirketlerinden biridir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026201-50096 contacts →

Exact match

“BRF Group, offer services that based sales & marketing, is value-added carrier and integrated with marcom and commerical marketing companies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5058 contacts →

Exact match

“Artı İletişim Yönetimi, 2004 yılının haziran ayında kuruldu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchİzmir, TürkiyeHQ recorded Nov 6, 202651-20055 contacts →

Exact match

“Pro Tanıtım kuruluşundan bu yana markalara profesyonel hizmet sağlama anlayışıyla hareket eden, alanında uzmanlaşmış ekiplerden oluşup 'Direct, Merch, Social ve Design' olmak…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchAnadoluhisarı Beykoz/i̇stanbul, TürkiyeHQ recorded Nov 6, 2026501-1,00052 contacts →

Exact match

“Yıllar boyu edindiğimiz tecrübe, geleceğe giden yolda bize ışık tutuyor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20044 contacts →

Exact match

“Yenilikçi bakış açısı ile her zaman daha iyisini hedefleyen ANTUR; Antur Events, Antur Corporate ve Antur Life’ın uzman kadrosu, sektördeki 48 yıllık tecrübesi ve dünyanın her…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchKağıthane, TürkiyeHQ recorded Nov 6, 202651-20042 contacts →

Exact match

“Law Office”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026n/a36 contacts →

Exact match

“Özetle iletişimciyiz biz :) Uzun yıllar farklı şirket ve ajanslarda iletişim üzerine çalıştıktan sonra 2014’te kendi yerimizi açtık.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-50036 contacts →

Exact match

“Alfred Kimdir?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,00034 contacts →

Exact match

“Merchandising Human Resources Event & Organization Logistics Services Campaign Management Research Services Textile & Promotion Rent a car”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAydınlı, TürkiyeHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Şirket Profili WORKROOM, kurumsal kimlik uygulama firmasıdır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAyazağa, TürkiyeHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Finar, Turkey's first corporate communication agency, was established in 1994 as a partnership entered into with Lloyd Northover Citigate, a London-based multinational corporation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Bestimage is an AI-driven creative transformation company operating at the intersection of communication, marketing, design, technology, production and artificial intelligence.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5030 contacts →

Exact match

“Most Idea olarak, iş dünyasına sıra dışı çözümler sunarak ve işinize değer katmayı hedefleyerek öne çıkıyoruz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“BEKLENTİLERİNİZİN ÖTESİNDE ÇÖZÜMLER… Hızlı ve Etkili Çözümler.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchAtaşehir, TürkiyeHQ recorded Nov 6, 202651-20027 contacts →

Exact match

“TRASTA is a corporate financing solution center and consultancy firm focused on business model, capital market, tax issues, company establishment, cpa services, esg risk scoring…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20025 contacts →

Exact match

“At meetrooms our aim is to integrate Corporate Real Estate Solutions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5025 contacts →

Exact match

“1986’da bir fikir ile başladığımız serüvene, aynı coşkuyla devam ediyoruz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchIzmit, TürkiyeHQ recorded Nov 6, 202651-20025 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5023 contacts →

Exact match

“Promise is a corporate event and travel management company based in Istanbul/Turkey.”

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

Showing 25 of 854 corporate services based in Türkiye

See the full list, filter by size, metro and specialty, and access 749 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Corporate services based in Türkiye at a glance

As of Nov 6, 2026
11.5%Verified-email coverage
7.6Average contacts per company
1-10Median size (employees)
36.2%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
497
11-50
225
51-200
66
201-500
35
501-1,000
12
1,001-5,000
12
5,001-10,000
1
10001+
3

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 854 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 “corporate services” 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 749 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.

Corporate services 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 “corporate services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many corporate services are there based in Türkiye?

RevenueBase identified 854 company matches for corporate services 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?

Sistem Global Danışmanlık A.Ş tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most corporate services?

Istanbul leads with 309 company records, followed by Ankara (40) and Cankaya (25).

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 749 professional contacts with verified work emails tracked across these 854 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.