Company lists · Data refreshed October 2026

Top 25 Data security consulting firms based in Türkiye

RevenueBase identified 245 company matches for data security consulting firms associated with Türkiye as of October 2026 and tracks 1,966 professional contacts across them, including 517 with verified work emails. Istanbul is the largest hub.

This list covers company matches for data security consulting firms 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 October 1, 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 Oct 1, 2026 How this list was built
245Companies
1,966Contacts tracked
517Verified emails
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The 25 largest data security consulting firms based in Türkiye

Ranked by team size
Top 25 of 245 company matches for data security consulting firms based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 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 Oct 1, 202651-20093 contacts →

Exact match

“Netsmart, 25 yılı aşkın tecrübesiyle siber güvenlik alanında uzmanlaşmış lider bir danışmanlık şirketidir.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
2Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 202651-20091 contacts →

Exact match

“Platin Bilişim, ”Siber Güvenlik”, “Bütünsel Güvenlik” ve "Veri Koruma" çözümleri alanlarında hizmet veren bir teknoloji firmasıdır.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 202651-20074 contacts →

Exact match

“Natica is a technology consultancy and services firm specializing in delivering success to its clients.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 202611-5069 contacts →

Exact match

“2017 yılında bilgi güvenliği konusunda danışmanlık, servis ve destek hizmetleri vermek amacıyla kurulan Infinitum IT, siber olaylara müdahale hizmetleri, güvenli kod…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 202651-20054 contacts →

Exact match

“Teknoloji ve inovasyon aracılığıyla, müşterilerimiz, çalışma arkadaşlarımız, iş ortaklarımız ve çevremiz için güvenli bir gelecek inşa etmek için çalışıyoruz!”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
6Exact matchÇankaya, TürkiyeHQ recorded Oct 1, 202611-5053 contacts →

Exact match

“Arksoft was founded by the experts on their domains and gives the consultancy services to Turkey's largest enterprises and government organizations by it's unique team.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 202651-20046 contacts →

Exact match

“Servicepark olarak uzun yıllardır bilişim sektöründe olan kaliteli bir ekip ile, müşterilerimize en yüksek kalitede çözüm ve danışmanlık hizmetleri sağlayarak özellikle kritik…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8Exact matchÜsküdar, TürkiyeHQ recorded Oct 1, 202611-5044 contacts →

Exact match

“RSU provides services on IT Risk Solutions, such as IT risk and compliance, penetration testing, cyber security consultancy, digital forensic, incident response, and training to…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 202611-5042 contacts →

Exact match

“Company Profile Lostar Inc, founded in 1998, based in Istanbul/Turkey, provides competitive edge in an uncertain world with Business and Technology Risk Consulting.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10Exact matchCumhuriyet Mah., TürkiyeHQ recorded Oct 1, 202611-5042 contacts →

Exact match

“Tetra Bilişim, yenilikçi ve önder yaklaşımı ile ülkemiz bilişim sektörüne ve bilgi güvenliğine sürekli katkı sağlamaktadır.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11Exact matchAnkara, TürkiyeHQ recorded Oct 1, 2026201-50025 contacts →

Exact match

“As BARİKAT Cyber Security, we have been emphasizing the value of information by producing world-class cyber security solutions with the aim of protecting it, since our…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
12Exact matchUmraniye, TürkiyeHQ recorded Oct 1, 202611-5023 contacts →

Exact match

“Nev generation technology consulting.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13Exact matchCankaya, TürkiyeHQ recorded Oct 1, 202611-5022 contacts →

Exact match

“2012 yılında kurulan İnfrasis Siber Mühendislik, bilgi kaynaklarının güvenliği, verimliliği, sürekliliği, etkin kullanımı, iyileştirilmesi ve düzenlenmesi için üst seviye…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
14Exact matchAtasehir, TürkiyeHQ recorded Oct 1, 202611-5022 contacts →

Exact match

“Esfor Investigative Services, Brand Protection & Security Consulting is located in Istanbul Turkey.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 202611-5021 contacts →

Exact match

“EMA Security, uluslararası geçerliliğe sahip sertifikalı uzman ekibiyle, Türkiye'de siber güvenlik ve bilgi güvenliği alanlarında faaliyet gösteren yenilikçi bir danışmanlık…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16Exact matchŞişli, TürkiyeHQ recorded Oct 1, 202611-5020 contacts →

Exact match

“Guided by our philosophy,"Whatever we do, there will always be Art within," CyberArts brings together cybersecurity, information security, governance, risk, compliance, law…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17Exact matchÜmraniye/i̇stanbul, TürkiyeHQ recorded Oct 1, 202611-5018 contacts →

Exact match

“Yesis Bilişim A.Ş, 2008 yılından bu yana kurumsal firmalara IT danışmanlık, sistem yönetimi, siber güvenlik ve teknoloji altyapı hizmetleri sunmaktadır.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“Sentra Information Technologies is one of the leaders in Cyber Security Solutions and Services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
19Exact matchİstanbul, TürkiyeHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“2012 yılında kurulan Datakey, uzman kadrosu ve müşteri memnuniyetini ön planda tutan kaliteli hizmet anlayışı ile daima daha iyisini başarmıştır.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20Exact matchAnkara, TürkiyeHQ recorded Oct 1, 202611-5017 contacts →

Exact match

“PROYA was founded in 2002 in Ankara, Turkey, with a subsidiary in Istanbul.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
21Exact matchPoligon Caddesi Buyaka 3. Blok Ümraniye, TürkiyeHQ recorded Oct 1, 202611-5016 contacts →

Exact match

“GTI is an Information Security Consulting, Solutions & Training services firm, providing specialized security services.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 202611-5015 contacts →

Exact match

“Kurumların esnek hale gelmesi, sektörlerine ve sektörlerindeki gelişmelere daha hızlı uyum sağlaması, başarı için kaçınılmaz bir gerçek.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 2026201-50015 contacts →

Exact match

“IT security and IT continuity consulting shop in the Turkish territory.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24Exact matchArdıçlı, TürkiyeHQ recorded Oct 1, 20261-1015 contacts →

Exact match

“LastGuard Bilişim Teknolojileri, uzman ekibiyle kurumlara ve özel sektöre yönelik güvenlik testleri, siber istihbarat çözümleri, danışmanlık hizmetleri, teknik ve farkındalık…”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25Exact matchIstanbul, TürkiyeHQ recorded Oct 1, 202611-5014 contacts →

Exact match

“Sektör deneyimi ve teknik uzmanlıkla donatılmış profesyonellerden oluşan ekibimizle, her müşteriye özel, yenilikçi ve özelleştirilmiş çözümler sunuyoruz.”

Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase

Showing 25 of 245 data security consulting firms based in Türkiye

See the full list, filter by size, metro and specialty, and access 517 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Data security consulting firms based in Türkiye at a glance

As of Oct 1, 2026
26.3%Verified-email coverage
8.0Average contacts per company
1-10Median size (employees)
38.4%Largest-city concentration · Istanbul
Oct 1, 2026Page data refreshed

Companies by employee count

1-10
135
11-50
92
51-200
11
201-500
6

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 245 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 “data security consulting firms” 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 517 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 October 1, 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.

Data security consulting firms 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 “data security consulting firms”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many data security consulting firms are there based in Türkiye?

RevenueBase identified 245 company matches for data security consulting firms associated with Türkiye as of October 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?

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

Which city has the most data security consulting firms?

Istanbul leads with 94 company records, followed by Ankara (25) and Cankaya (12).

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 517 professional contacts with verified work emails tracked across these 245 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 October 1, 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.