Company lists · Data refreshed September 2026
Top 25 Iso 9001 consulting firms based in Türkiye
RevenueBase identified 312 iso 9001 consulting firms headquartered in Türkiye as of September 2026 and tracks 1,221 professional contacts across them, including 101 with verified work emails. Istanbul is the largest hub.
This list covers iso 9001 consulting firms 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 28, 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.
The 25 largest iso 9001 consulting firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 54 contacts → | ||||
Indirect evidence “Şirketimiz, 1992 yılında kurulmuştur.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 16 contacts → | ||||
Indirect evidence “Vericert tüm dünyada insanların iş hayatlarını geliştirecek 3.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 15 contacts → | ||||
Indirect evidence “Kalite ve Verimlilik Yönetimi danışmanlık sunmakta ve eğitimler vermektedir.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 14 contacts → | ||||
Indirect evidence “TıbbiCE Danışmanlık Eğitim ve Validasyon Hizmetleri yurt içinde ve yurt dışında tıbbi cihaz üreticilerinin CE (93/42/AT Tıbbi Cihaz Yönetmeliği ve 2017/745/EU Tıbbi Cihaz Tüzüğü)…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 12 contacts → | ||||
Indirect evidence “CONFORMED Eğitim Ve Danışmanlık Hizmetleri LTD.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 11 contacts → | ||||
Partial evidence “QCTurk is a consulting and engineering company established in Ankara, serves especially to foreign companies on project management, consulting, trading, expediting of suppliers…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 11 contacts → | ||||
Indirect evidence “Asrın Global araştırmacı, gelişime ve değişime açık, yenilikçi, faaliyet gösterdiği danışmanlık hizmetleriyle müşterilerine odaklanmış, iletişim kabiliyetini azami seviyede…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 10 contacts → | ||||
Indirect evidence “2001 yılında kurulan Proks Belgelendirme ve Özel Eğitim Hizmetleri Ltd.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Partial evidence “LİMTAŞ ENGINEERING CONSULTING TRADE CO.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Indirect evidence “Tax / Accounting / Consultancy” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Indirect evidence “İş ortaklarımıza kaliteli bir hizmet sunmak amacıyla kurulmuş olan şirketimiz, kendi alanında uzman olan profesyonel kadromuzla sizlere hizmet sunmaktayız.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Indirect evidence “INNOCON was established in 2005 in order to provide consultancy services with well experienced people across the world.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 6 contacts → | ||||
Partial evidence “Engineering and Consulting Services & Quality Control” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 6 contacts → | ||||
Indirect evidence “Diamond Vision müşterilerimizin bizden talep ettikleri hizmetleri sağlamak adına çalışmalar yapan bir danışmanlık, denetim ve belgelendirme şirketi olarak kurulmuştur.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 6 contacts → | ||||
Indirect evidence “2010 yılından bu yana Turizm Sektörü ağırlıklı olmak üzere geniş bir yelpazedeki müşteri portföyüne; Gıda Hijyen Danışmanlık, Kalite Sistemleri Kurulumu ve geliştirilmesi, Eğitim…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 5 contacts → | ||||
Indirect evidence “Danışmanlık #Eğitim #Denetim” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 5 contacts → | ||||
Indirect evidence “YÖNDES Yönetim Danışmanlık işletmelerin kurumsal yapılanmalarının her adımını ulusal ve uluslar arası standart ve uygulamalar ile uyumlu ve entegre yönetim süreçlerinde…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 4 contacts → | ||||
Indirect evidence “Yönetim Sistemleri Danışmanlığı, Denetim ve Eğitim Hizmetleri Bilgi Güvenliği, İş Sürekliliği, BT Yönetişim, IT Servis ve Yönetimi” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 4 contacts → | ||||
Indirect evidence “Gıda, ambalaj, kozmetik ve üretim sektörlerinde faaliyet gösteren firmalara; yönetim sistemleri, ürün güvenliği, mevzuat uyumu, sürdürülebilirlik ve kurumsal gelişim alanlarında…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 4 contacts → | ||||
Partial evidence “ISO Danışmanlıkları | CB DDO BİG Rehberi Uyum Danışmanlığı | GDPR & KVK Kanunu Uyum Danışmanlıkları | DPO Hizmetleri | ERP Danışmanlıkları | Muhasebe ve Finans Yönetim ve Denetim…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 3 contacts → | ||||
Indirect evidence “QUARCO MUAYENE VE BELGELENDİRME MÜHENDİSLİK A.Ş, endüstriyel sanayide faaliyet gösteren firmalara tecrübeli ve deneyimli personelleri ile Kalite Kontrol, Muayene ve Belgelendirme…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 3 contacts → | ||||
Indirect evidence “We look to our customer request from every angle - technical, time plan, economic and strategic - before presenting you with a solid, cost-effective solution.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 3 contacts → | ||||
Indirect evidence Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 3 contacts → | ||||
Indirect evidence “Meva Danışmanlık olarak alanında uzman personeller ile Sosyal Güvenlik, İş Hukuku, Turquality, Tasarım Merkezi, Sedex, Yönetim sistemleri, Stratejik planlama ve gelişim yol…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 3 contacts → | ||||
Indirect evidence “DNS Danismanlik is specialized in information security area.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
RevenueBase Smart Search
RevenueBase Smart Search assesses information from a company’s LinkedIn profile, information supplied directly by the company, its website, and other publicly available sources. It uses that information to rate how closely the company relates to this list’s category: iso 9001 consulting firms. Every row carries its rating and the description the rating was read from, so each one can be checked rather than taken on trust.
- Strong evidence
- The company's own public description of its business names iso 9001 consulting firms.
- Partial evidence
- Its own public description names part of iso 9001 consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name iso 9001 consulting firms. The match rests on the rest of the company's public profile rather than the one sentence quoted here, so this is the rating to check first.
RevenueBase Smart Search is how these lists are built: RevenueBase's data engine and AI assemble the companies that match a category defined in a user's own words, so a list can be about what companies actually do rather than about whichever industry code they were filed under.
Showing 25 of 312 iso 9001 consulting firms based in Türkiye
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Iso 9001 consulting firms based in Türkiye at a glance
As of Sep 28, 2026Companies by employee count
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 312 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 iso 9001 consulting firms, 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 “iso 9001 consulting firms”. 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 iso 9001 consulting firms), 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 iso 9001 consulting firms, 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, 101 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 28, 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.
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 iso 9001 consulting firms, 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 iso 9001 consulting firms are there based in Türkiye?
RevenueBase identified 312 iso 9001 consulting firms 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?
PKF İzmir, headquartered in Izmir, tops this list with the largest team on record.
Which city has the most iso 9001 consulting firms?
Istanbul leads with 79 headquartered companies, followed by Ankara (44) and Izmir (20).
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 101 verified decision-maker contacts tracked across these 312 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 28, 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.
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