Company lists · Data refreshed November 2026

Top 17 Iso 27001 certification services based in Türkiye

RevenueBase identified 84 company matches for iso 27001 certification services associated with Türkiye as of November 2026 and tracks 409 professional contacts across them, including 53 with verified work emails. Istanbul is the largest hub.

This list covers company matches for iso 27001 certification 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
84Companies
409Contacts tracked
53Verified emails
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The 17 largest iso 27001 certification services based in Türkiye

Ranked by team size
Top 17 of 84 company matches for iso 27001 certification 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 matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-5069 contacts →

Exact match

“BTYÖN; bilgi güvenliği, iş sürekliliği ve bilgi teknolojileri yönetişimi alanlarında danışmanlık, eğitim, analiz ve değerlendirme hizmetleri sunmaktadır.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2Exact matchAtasehir, TürkiyeHQ recorded Nov 6, 202611-5027 contacts →

Exact match

“ISO/ IEC 17021, ISO/IEC 17020 ve ISO/IEC 17065 standartlarına uygunluk göstermek ve akreditasyon kapsamına uygun şekilde, ilgili yönetim sistemlerinden belgelendirilmek isteyen…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202651-20023 contacts →

Exact match

“Management Systems Certification; ISO 9001 Quality Management System, ISO 14001 Environmental Management System, ISO 45001 OHSAS, ISO Information Technologies Service Management…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4Exact matchAnkara, TürkiyeHQ recorded Nov 6, 202611-5020 contacts →

Exact match

“BBS Certification Training and Inspection Services Inc.(BBS A.Ş.) was founded in in Ankara, Turkey to provide Management System Certification, Training, Compliance and Inspection…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-5019 contacts →

Exact match

“Vericert tüm dünyada insanların iş hayatlarını geliştirecek 3.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6Exact matchHalkapinar, TürkiyeHQ recorded Nov 6, 202651-2009 contacts →

Exact match

“2001 yılında kurulan Proks Belgelendirme ve Özel Eğitim Hizmetleri Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7Exact matchKartal, TürkiyeHQ recorded Nov 6, 20261-107 contacts →

Exact match

“PCA Sertifikasyon Şubat 2010 tarihinde Belgem Belgelendirme ismiyle kurulmuş olup 2012 yılında isim değişikliği yapılarak PCA Sertifikasyon olmuştur.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
8Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 202611-505 contacts →

Exact match

“blog.btrisk.com BTRisk provides assurance and consulting services in information security and IT governance.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9Exact matchSarıyer, TürkiyeHQ recorded Nov 6, 202611-504 contacts →

Exact match

“Center On Digital is ensuring the information security is critical to the success and continuity of the company.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261-103 contacts →

Exact match

“ISO 27001 Bilgi Güvenliği Yönetim Sistemi Danışmanlığı ISO 22301 İş Sürekliliği Yönetim Sistemi Danışmanlığı ISO BT Hizmet Yönetim Sistemi Danışmanlığı Yönetim Sistemleri…”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11Exact matchSarıyer, TürkiyeHQ recorded Nov 6, 20261-103 contacts →

Exact match

“DNS Danismanlik is specialized in information security area.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12Exact matchPendik, TürkiyeHQ recorded Nov 6, 202611-503 contacts →

Exact match

“DSR olarak, sektördeki öncü konumumuzu, Türkak ve International Accreditation Service (IAS) tarafından verilen akreditasyonlarla pekiştiren bir firmayız.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13Exact matchİstanbul, TürkiyeHQ recorded Nov 6, 202611-503 contacts →

Exact match

“Certification of management systems such as ISO 9001, ISO 14001, ISO ISO 27001, ISO 13485, ISO ISO 45001, ISO ISO 37001”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14Exact matchKartal, TürkiyeHQ recorded Nov 6, 20261-103 contacts →

Exact match

“Kurumsal organizasyonların bilgi güvenliği risklerini sistematik biçimde yönetmelerine destek oluyoruz.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261-102 contacts →

Exact match

“G&G is an organization located in Turkey and Hungary, who is aiming to support the organizations and individuals to conduct their businesses on efficient and secure platforms.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261-102 contacts →

Exact match

“TSİ Uluslararası Belgelendirme Denetim ve Eğitim Hizmetleri Ltd.”

Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17Exact matchIstanbul, TürkiyeHQ recorded Nov 6, 20261-101 contacts →

Exact match

“Bilgi Güvenliği Yönetim Sistemi - ISO 27001 danışmanlığı Servis Yönetimi Yönetim Sistemi - ISO danışmanlığı Proje Yönetim Ofisi ve Proje Yönetim Metodolojisi danışmanlığı ITIL-f…”

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

Showing 17 of 84 iso 27001 certification services based in Türkiye

See the full list, filter by size, metro and specialty, and access 53 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Iso 27001 certification services based in Türkiye at a glance

As of Nov 6, 2026
13.0%Verified-email coverage
4.9Average contacts per company
1-10Median size (employees)
32.1%Largest-city concentration · Istanbul
Nov 6, 2026Page data refreshed

Companies by employee count

1-10
54
11-50
24
51-200
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 84 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 “iso 27001 certification 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 53 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 “iso 27001 certification services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many iso 27001 certification services are there based in Türkiye?

RevenueBase identified 84 company matches for iso 27001 certification 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?

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

Which city has the most iso 27001 certification services?

Istanbul leads with 27 company records, followed by Ankara (7) and Atasehir (5).

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 53 professional contacts with verified work emails tracked across these 84 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.