Company lists · Data refreshed November 2026

Top 25 Performance improvement consulting services based in Türkiye

RevenueBase identified 869 company matches for performance improvement consulting services associated with Türkiye as of November 2026 and tracks 5,082 professional contacts across them, including 1,085 with verified work emails. Istanbul is the largest hub.

This list covers company matches for performance improvement consulting 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
869Companies
5,082Contacts tracked
1,085Verified emails
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The 25 largest performance improvement consulting services based in Türkiye

Ranked by team size
Top 25 of 869 company matches for performance improvement consulting 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 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 matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20059 contacts →

Exact match

“PDR Group is established in 1989 under the name TMI Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5056 contacts →

Exact match

“Management Centre Türkiye (MCT) olarak Organizasyonel Gelişim ve İnsan Kaynakları alanlarında danışmanlık hizmetleri sunan bir yönetim danışmanlık şirketiyiz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact 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
6Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026n/a40 contacts →

Exact match

“HumanGroup offers consultancy services in human resources management and training, excelling in a broad range of areas especially in executive search & selection, assessment…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact 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
8Exact 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
9Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20031 contacts →

Exact match

“With over 40 years of combined experience, AVD HR Consultancy stands as a premier HR consulting firm, dedicated to transforming workplaces and driving organizational success.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202651-20029 contacts →

Exact match

“Taurus Group Consulting (TAG) was established in with a vision to provide consultancy, training and system implementation services to clients who need support in their…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact 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
14Exact 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
15Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5024 contacts →

Exact match

“Ideus, commenced operations in 2014 with a dynamic and experienced staff in the IT sector, consulting, training and operational services is an established company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5022 contacts →

Exact match

“We are enthusiastic practitioners of the newest technologies.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“House of Human Liderlik, Yöneticilik, Koçluk ve İletişim odaklı kurumsal ve bireysel ihtiyaçlara özgün eğitim ve danışmanlık hizmetleri sunan bir firmadır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“20 yılı aşkın iş tecrübemiz, 50'den fazla müşteri deneyimimiz, 100'den fazla proje uygulamamız ve farklı iş zekası araçlarındaki uzmanlığımızla İş Analitikleri ihtiyaçlarınıza en…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchİzmir, TürkiyeHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“Pergamon Status Diş Ticaret A.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5018 contacts →

Exact match

“BiLiG OpEx was founded in the UK in 2015 with the aim of providing solutions to business problems with current methods and digital technologies in the field of Operational…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchBeşiktaş, TürkiyeHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Daphne Consulting contributes to brands’ present & future growth with data driven insights and taking part in actions.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“With 20 years of experience in corporate consultancy- With our expert consultants; We contribute to the selection and career development of employees-managers in many sectors such…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Eurosis Consulting delivers sustainable results, helps clients achieve essential advantage by working with them to identify and build the differentiating capabilities they need to…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchYenisehir, TürkiyeHQ recorded Nov 6, 202611-5014 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 · Nov 6, 2026 · View company records in RevenueBase
25Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“TURKAK, devlet destekleri danışmanlığı ve işe alım danışmanlığı hizmetlerini sunar.”

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

Showing 25 of 869 performance improvement consulting services based in Türkiye

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Performance improvement consulting services based in Türkiye at a glance

As of Nov 6, 2026
21.3%Verified-email coverage
5.8Average contacts per company
1-10Median size (employees)
42.3%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
636
11-50
191
51-200
28
201-500
9
501-1,000
1
1,001-5,000
1
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 869 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 “performance improvement consulting 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 1,085 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 “performance improvement consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many performance improvement consulting services are there based in Türkiye?

RevenueBase identified 869 company matches for performance improvement consulting 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?

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

Which city has the most performance improvement consulting services?

Istanbul leads with 368 company records, followed by Ankara (62) and Izmir (42).

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 1,085 professional contacts with verified work emails tracked across these 869 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.