Company lists · Data refreshed September 2026

Top 25 Automotive testing services based in Türkiye

Name: Automotive testing services based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 30, 2026 111 companies tracked

RevenueBase identified 111 automotive testing services headquartered in Türkiye as of September 2026 and tracks 2,311 professional contacts across them, including 542 with verified work emails. Istanbul is the largest hub.

This list covers automotive testing 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 30, 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 30, 2026 86% judged on-target in blind review

111Companies

2,311Contacts tracked

542Verified emails

Explore this list → Free signup · no credit card · 500 free credits

The 25 largest automotive testing services based in Türkiye

Ranked by team size

Top 25 of 111 automotive testing services based in Türkiye, ranked by team size, largest first. Data refreshed Sep 30, 2026. RevenueBase Smart Search rates how each company's information relates to automotive testing 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.
#	Company	RevenueBase Smart Search	Headquarters	Employees	Contacts
1	Turk Loydu Conformity Assessment Services Corporation	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	201-500	251 contacts →
	Indirect evidence “Türk Loydu is an “International Classification and Conformity Assessment Body”, providing classification, inspection and certification services, which was established by the…” Source: RevenueBase Database · checked Sep 30, 2026
2	SGS Türkiye	Indirect evidence	TürkiyeHQ checked Sep 30, 2026	5,001-10,000	214 contacts →
	Indirect evidence “Biz SGS’yiz - dünyanın lider gözetim, test ve belgelendirme kuruluşu.” Source: RevenueBase Database · checked Sep 30, 2026
3	TÜV Austria Turk	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	1,001-5,000	184 contacts →
	Indirect evidence “TÜV AUSTRIA TURK: Güvenilir Çözüm Ortağınız 1872 yılında temelleri atılan TÜV AUSTRIA Grubu, tarafsız ve bağımsız bir kuruluş olarak kalite kontrol, belgelendirme, test, teknik…” Source: RevenueBase Database · checked Sep 30, 2026
4	Alfanorm Endüstriyel Denetim VE Belgelendirme	Indirect evidence	İstnbul, TürkiyeHQ checked Sep 30, 2026	201-500	98 contacts →
	Indirect evidence “ALFANORM denetim ve belgelendirme sektöründe uzun yıllara dayalı tecrübesi bulunan uzmanlar tarafından kurulmuş bağımsız bir denetim ve belgelendirme firmasıdır.” Source: RevenueBase Database · checked Sep 30, 2026
5	Ugetam İstanbul Uygulamalı GAZ VE Enerji Teknolojileri Araştırma Mühendislik A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	51-200	95 contacts →
	Indirect evidence “UGETAM is a company based in Turkey.” Source: RevenueBase Database · checked Sep 30, 2026
6	TÜV Nord Turkey	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 30, 2026	51-200	93 contacts →
	Indirect evidence “TÜV NORD Turkey - Inspired by Knowledge TÜV NORD Turkey Teknik Kontrol ve Belgelendirme A.Ş.” Source: RevenueBase Database · checked Sep 30, 2026
7	Udem Belgelendirme A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 30, 2026	51-200	90 contacts →
	Indirect evidence “UDEM olarak, 20 yılı aşkın tecrübemiz ile kaliteli, tarafsız ve sektöre öncülük eden uygunluk değerlendirme ve test hizmetleri sunmaktayız.” Source: RevenueBase Database · checked Sep 30, 2026
8	Vitsan Gözetim Mümessillik VE Ticaret A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	51-200	79 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
9	Probo Assurance Services	Indirect evidence	Yenimahalle / Ankara, TürkiyeHQ checked Sep 30, 2026	51-200	57 contacts →
	Indirect evidence Source: RevenueBase Database · checked Sep 30, 2026
10	Teknik Muayene	Indirect evidence	Şişli, TürkiyeHQ checked Sep 30, 2026	51-200	47 contacts →
	Indirect evidence “2008 yılında; bağımsız, tarafsız ve güvenilir bir hizmet anlayışıyla çıktığımız yolda gururla devam ediyoruz.” Source: RevenueBase Database · checked Sep 30, 2026
11	Inspecco	Indirect evidence	Ümraniye, TürkiyeHQ checked Sep 30, 2026	51-200	40 contacts →
	Indirect evidence “INSPECCO is your accredited service provider for international certification, inspection, measurement, and training.” Source: RevenueBase Database · checked Sep 30, 2026
12	Akin Quality Group INC	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 30, 2026	51-200	30 contacts →
	Indirect evidence “AKIN Kalite Grup A.Ş, merkez ofisi Tuzla istanbul’da olan, ana çalışma alanı Petrol & Gaz, Enerji ve imalat sektörlerinde çalışan firmalara belgelendirme, tahribatlı ve…” Source: RevenueBase Database · checked Sep 30, 2026
13	TÜV Austria Mobility Mobilite Sistem Yönetim VE Denetim	Indirect evidence	Maltepe, TürkiyeHQ checked Sep 30, 2026	51-200	29 contacts →
	Indirect evidence “Mobilite, otomotiv sektöründeki 15 yılı aşkın tecrübeye sahip kadrosuyla, Avrupa ve Türkiye homologasyon testleri ve belgelendirme alanında, dünya çapında kendini ispatlamış…” Source: RevenueBase Database · checked Sep 30, 2026
14	DTA Mühendislik	Indirect evidence	Bursa, TürkiyeHQ checked Sep 30, 2026	11-50	25 contacts →
	Indirect evidence “DTA Mühendislik, otomotiv, havacılık, savunma sanayi ve beyaz eşya sektörü başta olmak üzere sanayimizin Ar-Ge ve Ürün Geliştirme bölümlerine yönelik; TEST ve CAE ( Bilgisayar…” Source: RevenueBase Database · checked Sep 30, 2026
15	Otam Otomotiv Teknolojileri Araştırma Geliştirme Sanayi VE Ticaret A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	11-50	16 contacts →
	Indirect evidence “OTAM, 2004 yılında; İTÜ Vakfı, OSD ve TÜBİTAK ortaklığı ile; Üniversite-Sanayi işbirliğini güçlendirerek, otomotiv sektörünün küresel pazarlardaki rekabetçiliği artırmak amac ile…” Source: RevenueBase Database · checked Sep 30, 2026
16	Taff Danışmanlık Sanayi VE Ticaret A.Ş	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	11-50	13 contacts →
	Indirect evidence “Otomotiv Satış Sonrası Hizmetler Teknik Denetim ve Kalite Yönetimi Süreç Yönetimi ve Operasyonel Danışmanlık Gizli Müşteri Uygulamaları Müşteri Memnuniyeti Analizi TSE…” Source: RevenueBase Database · checked Sep 30, 2026
17	Insperla	Partial evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	11-50	12 contacts →
	Partial evidence “Testing Inspection and Certification Services Accredited Services (welding, material) CE Marking Vendor Inspection” Source: RevenueBase Database · checked Sep 30, 2026
18	Contract Group Companies	Indirect evidence	Bursa, TürkiyeHQ checked Sep 30, 2026	501-1,000	12 contacts →
	Indirect evidence “Contact Quality Contral & Process Management, Group Companies, engaged in quality control, process management, engineering, special tests and examinations in manufacturing sectors…” Source: RevenueBase Database · checked Sep 30, 2026
19	Mates A.Ş	Indirect evidence	Ankara, TürkiyeHQ checked Sep 30, 2026	11-50	12 contacts →
	Indirect evidence “Firmamız; 1987 yılında, SUN marka egzoz emisyon ölçüm ve motor test cihazları satışı ile otomotiv servis ekipmanları alanında faaliyetine başladı.” Source: RevenueBase Database · checked Sep 30, 2026
20	Otoexperi̇m Araç Muayene VE Dan. Hi̇z. Ltd. Şti̇	Indirect evidence	Ümraniye, TürkiyeHQ checked Sep 30, 2026	51-200	10 contacts →
	Indirect evidence “Oto Experim, teknik ekipmanları vasıtası ile ikinci el araçların, daha evvel yaşamış olabileceği kaza ve arıza durumlarını test ederek tüm detayları ile garantili oto ekspertiz…” Source: RevenueBase Database · checked Sep 30, 2026
21	Aura Uluslararası Belgelendirme VE Doğrulama Hizmetleri	Indirect evidence	Ankara, TürkiyeHQ checked Sep 30, 2026	11-50	8 contacts →
	Indirect evidence “AURA ULUSLAR ARASI BELGELENDİRME EĞİTİM DENETİM VE MUAYENE HİZ.” Source: RevenueBase Database · checked Sep 30, 2026
22	ITS Gözetim, Muayene, Eğitim	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 30, 2026	1-10	6 contacts →
	Indirect evidence “ITS GÖZETİM MUAYENE VE EĞİTİM HİZMETLERİ olarak kalite, test, gözetim ve belgelendirme alanlarında hizmet vermekteyiz.” Source: RevenueBase Database · checked Sep 30, 2026
23	IOTAS	Indirect evidence	İzmir, TürkiyeHQ checked Sep 30, 2026	1-10	3 contacts →
	Indirect evidence “Tüm dünyada yenilenebilir enerji kaynaklarının kullanımı büyük oranda artmıştır çünkü sürdürülebilirlik için yenilenebilir enerji kaynaklarından faydalanmak bir zorunluluk haline…” Source: RevenueBase Database · checked Sep 30, 2026
24	Gscs International Turkey	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	1-10	2 contacts →
	Indirect evidence “GSCS Intl (Turkey) Türkiye Sertifikasyon ve Denetim Hizmetleri Limited Şirketi is the subsidiary company of GSCS International Ltd.” Source: RevenueBase Database · checked Sep 30, 2026
25	Tsi̇ Belgelendi̇rme	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 30, 2026	1-10	2 contacts →
	Indirect evidence “TSİ Uluslararası Belgelendirme Denetim ve Eğitim Hizmetleri Ltd.” Source: RevenueBase Database · checked Sep 30, 2026

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: automotive testing services. 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 automotive testing services.
Partial evidence: Its own public description names part of automotive testing services, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name automotive testing services. 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 111 automotive testing services based in Türkiye

See the full list, filter by size, metro and specialty, and get verified emails and direct dials for all 542 reachable decision-makers.

Free signup · no credit card

View the full list →

Automotive testing services based in Türkiye at a glance

As of Sep 30, 2026

23.5%Verified-email coverage

20.8Average contacts per company

11-50Median size (employees)

33.3%Largest-city concentration · Istanbul

Sep 30, 2026Page data refreshed

Companies by employee count

1-10

11-50

51-200

201-500

501-1,000

1,001-5,000

5,001-10,000

10001+

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 111 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 automotive testing 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 “automotive testing 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 automotive testing 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 automotive testing 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, 542 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 30, 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.

Automotive testing services by metro

Automotive testing services in Istanbul37

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 automotive testing 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 automotive testing services are there based in Türkiye?

RevenueBase identified 111 automotive testing 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?

Turk Loydu Conformity Assessment Services Corporation, headquartered in Istanbul, tops this list with the largest team on record.

Which city has the most automotive testing services?

Istanbul leads with 37 headquartered companies, followed by Ankara (10) and Izmir (7).

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 542 verified decision-maker contacts tracked across these 111 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 30, 2026.

Ready to reach these companies? Verified emails and direct dials for all 111 automotive testing services based in Türkiye. Start with a free account, no credit card.

Download this list →

Related lists

Automotive testing services by geography

Browse the directory

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.