Company lists · Data refreshed September 2026

Top 25 Cyber engineering services based in Türkiye

RevenueBase identified 324 cyber engineering services headquartered in Türkiye as of September 2026 and tracks 3,284 professional contacts across them, including 855 with verified work emails. Istanbul is the largest hub.

This list covers cyber engineering services headquartered in Türkiye, matched on what each company actually does as described in its own words. Ranked by team size, largest first. Every row shows the company's own description, its RevenueBase Smart Search rating, and when it was last checked. Data refreshed September 21, 2026.

Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase Smart Search, 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 HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 21, 2026 86% judged on-target in blind review
324Companies
3,284Contacts tracked
855Verified emails
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The 25 largest cyber engineering services based in Türkiye

Ranked by team size
Top 25 of 324 cyber engineering services based in Türkiye, ranked by team size, largest first. Data refreshed Sep 21, 2026. RevenueBase Smart Search rates how each company's information relates to cyber engineering services: strong evidence (its own description names it), partial (names part of it), indirect (matched on the rest of its profile rather than the description shown). Click a contact count to view that company's people.
#CompanyRevenueBase Smart SearchHeadquartersEmployeesContacts
1Indirect evidenceAnkara, TürkiyeHQ checked Sep 21, 2026501-1,000217 contacts →

Indirect evidence

“İşletmenizi Geleceğe Taşıyoruz Destek Bilgisayar olarak, iş dünyasının teknoloji ve dijital dönüşüm yolculuğunda yenilikçi, öncü ve güvenilir bir yol arkadaşı olmak için…”

Source: RevenueBase Database · checked Sep 21, 2026
2Partial evidenceIstanbul, TürkiyeHQ checked Sep 21, 202651-200113 contacts →

Partial evidence

“ADEO Cyber Security is a trusted cybersecurity partner enabling organizations to build resilient, proactive, and continuous cyber defense capabilities.”

Source: RevenueBase Database · checked Sep 21, 2026
3Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202651-20093 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
4Indirect evidenceIstanbul, TürkiyeHQ checked Sep 21, 202651-20091 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
5Indirect evidenceAnkara, TürkiyeHQ checked Sep 21, 202651-20082 contacts →

Indirect evidence

“Sistem Entegrasyon | Yazılım Geliştirme | Veri Merkezi Çözümleri | IT Güvenlik Çözümleri | Danışmanlık Servisleri”

Source: RevenueBase Database · checked Sep 21, 2026
6Partial evidenceIstanbul, TürkiyeHQ checked Sep 21, 202651-20081 contacts →

Partial evidence

“Privia Security, which plans to bring a different perspective to security and privacy concepts by acting with the slogan of “Privacy For You” in the field of cyber security, took…”

Source: RevenueBase Database · checked Sep 21, 2026
7Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202651-20074 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
8Indirect evidenceIstanbul, TürkiyeHQ checked Sep 21, 202611-5069 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
9Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202651-20065 contacts →

Indirect evidence

“Soitron Siber Güvenlik Servisleri A.Ş, is the Turkish cybersecurity company of Europe-based information technology firm Soitron Group.”

Source: RevenueBase Database · checked Sep 21, 2026
10Indirect evidenceIstanbul, TürkiyeHQ checked Sep 21, 202611-5059 contacts →

Indirect evidence

“At Infosec, we don't just keep up with the rapid pace of cybersecurity-we set it.”

Source: RevenueBase Database · checked Sep 21, 2026
11Indirect evidenceIstanbul, TürkiyeHQ checked Sep 21, 202651-20054 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
12Indirect evidenceAnkara, TürkiyeHQ checked Sep 21, 202611-5048 contacts →

Indirect evidence

“Hakkımızda SBI Bilişim kurulduğu günden itibaren, bilgi teknolojileri alanında müşterilerine sunduğu çözümlerle katkı sağlayan bir teknoloji entegratörüdür.”

Source: RevenueBase Database · checked Sep 21, 2026
13Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202651-20046 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
14Partial evidenceIstanbul, TürkiyeHQ checked Sep 21, 2026201-50045 contacts →

Partial evidence

“As the leading cybersecurity solutions provider [in Turkey], Cyberwise has a holistic approach to cybersecurity including IT, OT, and Cyber Physical Systems (CPS).”

Source: RevenueBase Database · checked Sep 21, 2026
15Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202611-5042 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
16Indirect evidenceCumhuriyet Mah., TürkiyeHQ checked Sep 21, 202611-5042 contacts →

Indirect evidence

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

Source: RevenueBase Database · checked Sep 21, 2026
17Indirect evidenceSisli, TürkiyeHQ checked Sep 21, 202611-5034 contacts →

Indirect evidence

“InfoNet, 1995 yılından bu yana Türkiye'de bilgi teknolojileri sektörüne yönelik kurumsal ağ güvenliği, bilgi güvenliği ve sistem entegrasyon çözümleri sunmakta ve ilgili kurumlara…”

Source: RevenueBase Database · checked Sep 21, 2026
18Partial evidenceBursa, TürkiyeHQ checked Sep 21, 202611-5034 contacts →

Partial evidence

“BG-TEK was established in 2010 with the aim of providing cyber security services and developing cyber security products.”

Source: RevenueBase Database · checked Sep 21, 2026
19Indirect evidenceKadıköy, TürkiyeHQ checked Sep 21, 202611-5030 contacts →

Indirect evidence

“Agilis Technology Solutions started its journey in 2012 to make a difference in the sector with its innovative ideas, professional staff, and extensive knowledge.”

Source: RevenueBase Database · checked Sep 21, 2026
20Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202651-20030 contacts →

Indirect evidence

“About BGA Bilgi Güvenliği A.Ş.”

Source: RevenueBase Database · checked Sep 21, 2026
21Partial evidenceSisli, TürkiyeHQ checked Sep 21, 202611-5028 contacts →

Partial evidence

“Fordefence provides enterprise cybersecurity and digital forensics services to help organizations prevent, detect, and forensically investigate cyber incidents.”

Source: RevenueBase Database · checked Sep 21, 2026
22Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202611-5026 contacts →

Indirect evidence

“Gais Siber Güvenlik Teknolojileri https://twitter.com/gaissecurity”

Source: RevenueBase Database · checked Sep 21, 2026
23Partial evidenceAnkara, TürkiyeHQ checked Sep 21, 2026201-50025 contacts →

Partial evidence

“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…”

Source: RevenueBase Database · checked Sep 21, 2026
24Indirect evidenceİstanbul, TürkiyeHQ checked Sep 21, 202611-5024 contacts →

Indirect evidence

“20 yılı aşkın sektörel tecrübeye sahip uzmanlar tarafından kurulan “NewEx Bilgi Teknolojileri ve Danışmanlık A.Ş”, deneyimli kadrosu ve profesyonel iş anlayışı ile uluslararası ve…”

Source: RevenueBase Database · checked Sep 21, 2026
25Indirect evidenceAnkara, TürkiyeHQ checked Sep 21, 202611-5024 contacts →

Indirect evidence

“Secunnix'in kuruluş hikayesi şirket kurucularının 2006 yılında Siber Güvenlik dünyasına attıkları adım ile başladı.”

Source: RevenueBase Database · checked Sep 21, 2026

Showing 25 of 324 cyber engineering services based in Türkiye

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Cyber engineering services based in Türkiye at a glance

As of Sep 21, 2026
26.0%Verified-email coverage
10.1Average contacts per company
1-10Median size (employees)
37.7%Largest-city concentration · Istanbul
Sep 21, 2026Page data refreshed

Companies by employee count

1-10
166
11-50
128
51-200
21
201-500
7
501-1,000
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 324 companies.

How this list was built

Company categories are rarely black and white. RevenueBase reads each company's own description of its business to decide whether it belongs among cyber engineering services, so some rows will be adjacent to the category rather than pure plays. The description and RevenueBase Smart Search rating on every row are there so you can check each match yourself.

Source
The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase Smart Search, the natural-language company search available to every RevenueBase user.
What qualifies
Companies headquartered in Türkiye whose own description of what they do matches “cyber engineering services”. Matching reads each company's description, not its industry code or its name.
RevenueBase Smart Search
RevenueBase Smart Search is how this list is assembled and how each row is rated. RevenueBase's data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to a category defined in a user's own words. Each row is rated strong evidence (its own description names cyber engineering services), partial evidence (it names part of the category) or indirect evidence (the description shown names none of it and the match rests on the rest of the company's profile). The description supporting each rating is quoted on the row.
What we exclude
Companies whose own description does not clearly place them among cyber engineering services, and records with no verified work email. Companies headquartered outside Türkiye are excluded even when they keep an office there.
Match quality
In blind human judging of this matching method, 86% of matched companies were on target. Expect roughly 1 in 7 rows to be adjacent to the category rather than a pure play. Every row shows the company's own description and its RevenueBase Smart Search rating so you can judge each match yourself. Read the full methodology: how the lists are built, how the judging worked, and what the figure means.
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 listed company carries at least one verified work email, 855 across the full list. 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 September 21, 2026. Lists refresh periodically as the graph is re-checked.
Corrections
Wrong category, wrong headquarters, or a company that has closed? Use “Report an issue” on any row. Reports go to the RevenueBase Data Team and feed back into the company graph.

Cyber engineering services by metro

  • Cyber engineering services in Istanbul122
  • Cyber engineering services in Ankara43

Frequently asked

What is RevenueBase Smart Search?

RevenueBase Smart Search is how RevenueBase decides which companies belong on this list and how strongly each one fits. Its data engine and AI assess a company's LinkedIn profile, information supplied directly by the company, its website and other publicly available information, then relate it to the category the list is about. Each row is rated strong evidence when the company's own description names cyber engineering services, partial evidence when it names part of the category, and indirect evidence when the description shown names none of it and the match rests on the rest of the company's profile.

How many cyber engineering services are there based in Türkiye?

RevenueBase identified 324 cyber engineering services headquartered in Türkiye as of September 2026, matched on each company's own description of what it does rather than its industry code.

What is the largest company on this list?

Destek A.Ş, headquartered in Ankara, tops this list with the largest team on record.

Which city has the most cyber engineering services?

Istanbul leads with 122 headquartered companies, followed by Ankara (43) and Cankaya (14).

How do I get contact information for these companies?

A free RevenueBase account lets you run this exact search and work the top results, verified emails and direct dials included. Upgrading unlocks all 855 verified decision-maker contacts tracked across these 324 companies.

How current is this list?

The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 21, 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 Smart Search, 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.