Company lists · Data refreshed November 2026

Top 24 Consulting services companies based in Türkiye

RevenueBase identified 1,591 company matches for consulting services companies associated with Türkiye as of November 2026 and tracks 8,546 professional contacts across them, including 1,490 with verified work emails. Istanbul is the largest hub.

This list covers company matches for consulting services companies 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
1,591Companies
8,546Contacts tracked
1,490Verified emails
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The 24 largest consulting services companies based in Türkiye

Ranked by team size
Top 24 of 1,591 company matches for consulting services companies 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 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
2Exact matchKadikoy, TürkiyeHQ recorded Nov 6, 202651-200109 contacts →

Exact match

“Infonal is a technology services and IT consultancy company providing deeply enterprise software architecture and domain specific know how.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-50094 contacts →

Exact match

“KG Teknoloji’s know-how and experience dates back to the year of 2003.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-20083 contacts →

Exact match

“WYG is an award-winning professional services firm employing over 1,600 people and operating from more than 50 locations across the UK, Europe, Africa, Asia and the Middle East.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20052 contacts →

Exact match

“BT Bilgi Teknolojileri, Türkiye’nin önde gelen rekabetçi markalarına, “Yalın İş, Yalın Teknoloji” ilkesi ile ve 15 yıla yakın bir süredir, kurumsal yönetim danışmanlığı ve bilgi…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchBeykoz, TürkiyeHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“ARGE Consulting is a globally recognized Turkish management consulting firm that was founded in 1991.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchBakirkoy, TürkiyeHQ recorded Nov 6, 202611-5043 contacts →

Exact match

“Biz FCO olarak, işletmelerin finansal sağlığını güçlendirmeyi odağımıza alıyor; kritik fonksiyonları iyileştirmek ve geliştirmek için stratejik yönetim danışmanlığı hizmetleri…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-20036 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 · Nov 6, 2026 · View company records in RevenueBase
9Exact matchKadıköy, TürkiyeHQ recorded Nov 6, 202651-20035 contacts →

Exact match

“Bilişim ve Teknoloji Hizmetleri”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5034 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 · Nov 6, 2026 · View company records in RevenueBase
11Exact matchZühtüpaşa, TürkiyeHQ recorded Nov 6, 202611-5034 contacts →

Exact match

“Doing the right thing, at the right time." Welcome to the leading Consulting company on the market!”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchMaltepe, TürkiyeHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“Biz ‘’bu iş farklı yapılmalı’’ mottosu ile yola çıktık.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchBahçelievler, TürkiyeHQ recorded Nov 6, 202651-20033 contacts →

Exact match

“We're more than 120 personnel in sectors of construction, real estate, engineering, healthcare tourism, and food industry, founded to integrate its experience of over nine years.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchMaltepe, TürkiyeHQ recorded Nov 6, 202611-5033 contacts →

Exact match

“Ulus Mühendislik Olarak, ÇEVRE DANIŞMANLIĞI' nda Uzman Mühendis Kadrolarımızla Hizmet Sunmaktayız.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchİçerenköy, TürkiyeHQ recorded Nov 6, 202651-20032 contacts →

Exact match

“İtimat Global kurumsal hizmet ağının nüvesini oluşturan İtimat Bağımsız Denetim A.Ş.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“2010 yılından bu yana faaliyet gösteren Grupas, sanayi ve hizmet sektörlerindeki kuruluşların gelişim yolculuklarına eşlik eden bir eğitim, danışmanlık ve teknoloji firmasıdır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchSisli, TürkiyeHQ recorded Nov 6, 202611-5029 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 · Nov 6, 2026 · View company records in RevenueBase
18Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Ofisus, 2006 yılından bu yana alanında tecrübeli ve bilgili uzman kadrosuyla kurulmuş bir stratejik danışmanlık firmasıdır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Sonuç odaklı bir yönetim danışmanlığı firması olarak sektörünüzde etki bırakmanız için kurumunuza özel tasarlanan çözümlerimizle yanınızdayız!”

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 matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5029 contacts →

Exact match

“Since 2009, Viveka has held a prestigious position in the entrepreneurial ecosystem and stands as a vanguard in strategic innovation consultancy.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchKayseri, TürkiyeHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“Pronic yazılım olarak şirketlerin tam ihtiyacı olan çözümlere ulaşmasını sağlamak birincil hedefimizdir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5028 contacts →

Exact match

“The paradigm of the business environment has shifted drastically in the past decade, and the speed of change has accelerated even further recently.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchMaltepe, TürkiyeHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Prozon Kurumsal Teknoloji Çözümleri Anonim Şirketi, Proventus Danışmanlık Limited Şirketi'nin tescilli markası ve teknoloji şirketi olarak 2020'de kuruldu.”

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

Showing 24 of 1,591 consulting services companies based in Türkiye

See the full list, filter by size, metro and specialty, and access 1,490 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Consulting services companies based in Türkiye at a glance

As of Nov 6, 2026
17.4%Verified-email coverage
5.4Average contacts per company
1-10Median size (employees)
40.5%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
1,104
11-50
405
51-200
46
201-500
26
501-1,000
5
1,001-5,000
1
5,001-10,000
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 1,591 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 “consulting services companies” 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 1,490 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.

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

How many consulting services companies are there based in Türkiye?

RevenueBase identified 1,591 company matches for consulting services companies 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?

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

Which city has the most consulting services companies?

Istanbul leads with 644 company records, followed by Ankara (118) and Cankaya (55).

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 1,490 professional contacts with verified work emails tracked across these 1,591 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.