Company lists · Data refreshed November 2026

Top 25 Outsourcing advisors based in Türkiye

RevenueBase identified 603 company matches for outsourcing advisors associated with Türkiye as of November 2026 and tracks 4,187 professional contacts across them, including 523 with verified work emails. Istanbul is the largest hub.

This list covers company matches for outsourcing advisors 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
603Companies
4,187Contacts tracked
523Verified emails
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The 25 largest outsourcing advisors based in Türkiye

Ranked by team size
Top 25 of 603 company matches for outsourcing advisors 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, 2026n/a593 contacts →

Exact match

“İNSAN KAYNAĞI ARAŞTIRMA VE SEÇME Her sektörde, şirketlerin gelecek hedeflerine ulaşmalarını sağlayabilecek uzman kadro, yönetici ve yönetici adaylarının istihdam edilmesi sağlanır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 20261,001-5,000353 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 · Nov 6, 2026 · View company records in RevenueBase
3Exact matchUmraniye, TürkiyeHQ recorded Nov 6, 202610001+190 contacts →

Exact match

“Stratejik Dış kaynak İş Ortağıyız.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact 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
5Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5065 contacts →

Exact match

“Pernet is founded as a Payroll Consultancy and Outsourcing company in 2003.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchKuzguncuk, TürkiyeHQ recorded Nov 6, 20265,001-10,00065 contacts →

Exact match

“YK Holding olarak 1996’dan bugüne birçok işletmeye sunduğumuz OUTSOURCING hizmetleriyle sektörde güçlü, güvenilir ve bilinen bir markayız.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5055 contacts →

Exact match

“Oxygen is essential to life.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact 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
9Exact matchBeşiktaş, TürkiyeHQ recorded Nov 6, 2026201-50041 contacts →

Exact match

“Plus İnsan Kaynakları ve Danışmanlık Hizmetleri, insan odaklı çözümleriyle iş gücü piyasasında sürdürülebilir değer üretmeyi amaçlayan, sektörel deneyimi yüksek bir danışmanlık…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5040 contacts →

Exact match

“Kle Information Technologies is Software Outsourcing & Development service provider offering outsourced product development, custom development and IT outsourcing services to its…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact 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
12Exact 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
13Exact 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
14Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“Yerli ve Yabancı Şirketlere İlişkin Finansal Danışmanlık, Mali Müşavirlik, Sosyal Güvenlik Hizmetleri, Yabancı yatırımcı İkamet ve çalışma izin çözümleri, Start Up Girişimcilik…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact 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
16Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5021 contacts →

Exact match

“We are a team of engineers and business professionals gathered to build an entrepreneurship aimed to think and act as an extension of our client's information technology teams.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchAnkara, TürkiyeHQ recorded Nov 6, 20261-1020 contacts →

Exact match

“Bilişim danışmanlığı, outsourcing, yazılım danışmanlığı konusunda uzman ekibimizle hizmetinizdeyiz”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18Exact matchÇankaya, TürkiyeHQ recorded Nov 6, 2026201-50020 contacts →

Exact match

“ANDSPİCA olarak hedefimiz herkesle değil, sürekli ve güvenilir bir çözüm ortağı arayan şirketlerle çalışmak ve geleceği birlikte şekillendirmek temeline dayalıdır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19Exact matchŞişli, TürkiyeHQ recorded Nov 6, 20261-1017 contacts →

Exact match

“Köksal Danışmanlık, imalat, tekstil, enerji, madencilik, gıda, turizm, eğitim ve sağlık gibi çeşitli sektörlerde faaliyet gösteren yüzlerce firmaya; yatırım teşvik danışmanlığı…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“HUMANERA is a Signature Talent Advisory firm partnering with organizations at critical leadership and talent moments.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
21Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5016 contacts →

Exact match

“Kurulduğumuz 2008 yılından bugüne; Nuras Yönetim & Danışmanlık Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22Exact matchGirne Mahallesi, TürkiyeHQ recorded Nov 6, 202611-5015 contacts →

Exact match

“Bee Advise danışmanlık anlayışını mühendislik yetkinliği ile birleştiren bir yönetim danışmanlığı şirketidir.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23Exact matchMaslak, TürkiyeHQ recorded Nov 6, 202611-5014 contacts →

Exact match

“OneWorld Consulting is a leading people consultancy, based in Istanbul, Turkey.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24Exact 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
25Exact matchBursa, TürkiyeHQ recorded Nov 6, 20261-1014 contacts →

Exact match

“Established in Bursa in 2015 as part of Wathnan Holdings Group from Doha.”

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

Showing 25 of 603 outsourcing advisors based in Türkiye

See the full list, filter by size, metro and specialty, and access 523 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Outsourcing advisors based in Türkiye at a glance

As of Nov 6, 2026
12.5%Verified-email coverage
6.9Average contacts per company
1-10Median size (employees)
38.6%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
387
11-50
169
51-200
24
201-500
11
501-1,000
5
1,001-5,000
2
5,001-10,000
2
10001+
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 603 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 “outsourcing advisors” 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 523 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 “outsourcing advisors”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many outsourcing advisors are there based in Türkiye?

RevenueBase identified 603 company matches for outsourcing advisors 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?

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

Which city has the most outsourcing advisors?

Istanbul leads with 233 company records, followed by Ankara (61) and Sisli (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 523 professional contacts with verified work emails tracked across these 603 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.