Company lists · Data refreshed November 2026

Top 25 Mentorship organizations based in Türkiye

RevenueBase identified 953 company matches for mentorship organizations associated with Türkiye as of November 2026 and tracks 13,987 professional contacts across them, including 610 with verified work emails. Istanbul is the largest hub.

This list covers company matches for mentorship organizations 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
953Companies
13,987Contacts tracked
610Verified emails
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The 25 largest mentorship organizations based in Türkiye

Ranked by team size
Top 25 of 953 company matches for mentorship organizations 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, 2026n/a1,652 contacts →

Exact match

“Öğrenme kültürü yaratan topluluk Gençlerle yan yana, 21.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAnkara, TürkiyeHQ recorded Nov 6, 2026501-1,000395 contacts →

Exact match

“Açı Eğitim Kurumları son on yılda Lise ve Üniversiteye Geçiş Sınavlarında çıkardığı Türkiye birincilerini, Türkiye ikincilerini ve Ankara birincilerini otomobil ve bursla…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchSariyer, TürkiyeHQ recorded Nov 6, 2026n/a293 contacts →

Exact match

“Turkishe, genç kadınların potansiyellerini görünür kılan ve onları geleceğin liderleri, profesyonelleri ve girişimcileri olarak güçlendiren sosyal etki odaklı bir topluluktur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20265,001-10,000268 contacts →

Exact match

Recorded description not available.

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026n/a234 contacts →

Exact match

“Türkiye Entrepreneurship Foundation was founded in April 2014.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026n/a227 contacts →

Exact match

“YGA is a non-governmental, non-profit organization founded in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-200192 contacts →

Exact match

“From its founding in 1863, Robert College has sought to promote educational excellence in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchKartal, TürkiyeHQ recorded Nov 6, 2026201-500157 contacts →

Exact match

“Atabey Eğitim Kurumları, ortaokul ve lise kademelerinde grup dersleri, özel ders programları ve sınav hazırlık süreçleriyle hizmet veren bir eğitim kurumudur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchÜsküdar, TürkiyeHQ recorded Nov 6, 2026501-1,000137 contacts →

Exact match

“1996 yılından bu yana her yıl binlerce gencin eğitimine katkı sunan Türkiye Gençlik ve Eğitime Hizmet Vakfı, geleceğin başarılı fertlerini desteklemek için çalışıyor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchEminönü, TürkiyeHQ recorded Nov 6, 202611-50126 contacts →

Exact match

“23; üniversite öğrencilerinin etki odaklı yetkinliklerinin gelişmesine, toplumda fark yaratan bireyler olmalarına katkı sağlamayı hedefleyen bir tecrübe serüveni.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026501-1,000101 contacts →

Exact match

“İTÜ Girişimcilik Kulübü; meraklı, gelişmeyi, geliştirmeyi ve farkındalık kazanmayı önceliğinde tutan, kalıplaşmış kariyer planlarından sıyrılıp daha iyi bir gelecek için hayal…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 2026201-50090 contacts →

Exact match

“We are offering good friendships and career opportunities in our company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchŞişli, TürkiyeHQ recorded Nov 6, 202611-5084 contacts →

Exact match

“Yenibirlider, in Turkish literally means ‘A New Leader.’ We are a non-profit, non-governmental organization geared towards crafting the next-generation of Leaders in Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5081 contacts →

Exact match

“Apziva helps professionals build confidence in machine learning through real industry experience.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20071 contacts →

Exact match

“We are a company that specializes in Educational Services.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-20065 contacts →

Exact match

“Marka Mutfağı Nedir?”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026n/a63 contacts →

Exact match

“Genç Başarı Eğitim Vakfı, girişimci zihin yapısına sahip gençlerin ve çocukların yetişmesi için çalışmalarına yön vermekte ve iş dünyasındaki profesyonellerin ve girişimcilerin…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchİzmir, TürkiyeHQ recorded Nov 6, 2026n/a59 contacts →

Exact match

“Değişim Liderleri Derneği (DLD) genç kadınlara, daha aktif ve kendine güvenen bireyler olma yolculuklarında liderlik becerileri kazandırabilmek amacıyla kuruldu.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5052 contacts →

Exact match

“2017 yılında lokal ölçekte ve önerilerle başlayan özel ders ve mentorluk yolculuğumuz 2019 yılının sonunda online'a taşındı.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchBogazici University, TürkiyeHQ recorded Nov 6, 202611-5051 contacts →

Exact match

“180 Degrees Consulting is the largest consultancy run by students, focusing on non-profits and social enterprises.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5044 contacts →

Exact match

“Endeavor, global Etkin Girişimcilik hareketine öncülük ediyor.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5039 contacts →

Exact match

“Derece Kampüsü; üniversite sınavına hazırlanan öğrencilere mentorluk hizmeti sağlar.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 2026201-50031 contacts →

Exact match

“Mission: preparing a diverse community of students to overcome the obstacles of the future and to lead the next generation.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact matchÜsküdar, TürkiyeHQ recorded Nov 6, 202611-5026 contacts →

Exact match

“Uluslararası Genç Derneği bünyesinde bulunan medya, sosyal sorumluluk ve akademi faaliyetleri ile kendisinin, milletinin,vatanının ve tarihinin derdi ile dertlenmiş, yaptıkları…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202651-20026 contacts →

Exact match

“Güçlü genç, destekleyen çevre!”

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

Showing 25 of 953 mentorship organizations based in Türkiye

See the full list, filter by size, metro and specialty, and access 610 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Mentorship organizations based in Türkiye at a glance

As of Nov 6, 2026
4.4%Verified-email coverage
14.7Average contacts per company
11-50Median size (employees)
41.9%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
417
11-50
330
51-200
105
201-500
46
501-1,000
25
1,001-5,000
19
5,001-10,000
3
10001+
8

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 953 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 “mentorship organizations” 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 610 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 “mentorship organizations”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many mentorship organizations are there based in Türkiye?

RevenueBase identified 953 company matches for mentorship organizations 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?

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

Which city has the most mentorship organizations?

Istanbul leads with 399 company records, followed by Ankara (99) and Izmir (32).

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 610 professional contacts with verified work emails tracked across these 953 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.