Company lists · Data refreshed September 2026

Top 25 Environmental health and safety consulting firms based in Türkiye

Name: Environmental health and safety consulting firms based in Türkiye
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Sep 28, 2026 643 companies tracked

RevenueBase identified 643 environmental health and safety consulting firms headquartered in Türkiye as of September 2026 and tracks 4,720 professional contacts across them, including 195 with verified work emails. Istanbul is the largest hub.

This list covers environmental health and safety 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.

How to read this list HQ checked on every row RevenueBase Smart Search rating on every row Refreshed Sep 28, 2026 86% judged on-target in blind review

643Companies

4,720Contacts tracked

195Verified emails

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The 25 largest environmental health and safety consulting firms based in Türkiye

Ranked by team size

Top 25 of 643 environmental health and safety consulting firms based in Türkiye, ranked by team size, largest first. Data refreshed Sep 28, 2026. RevenueBase Smart Search rates how each company's information relates to environmental health and safety consulting firms: 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	Wellpoint	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	201-500	205 contacts →
	Indirect evidence “500 çalışanı olan Wellpoint bir sağlık grubudur… Ana şirketi, Platform OSGB, İSG (iş sağlığı ve güvenliği) sektörünün en büyüklerinden biri.” Source: RevenueBase Database · checked Sep 28, 2026
2	Entegre İŞ Sağlığı VE Güvenliği	Indirect evidence	Üsküdar, TürkiyeHQ checked Sep 28, 2026	201-500	113 contacts →
	Indirect evidence “Çalışanların sağlığını ve güvenliğini korumanın sadece yasal zorunluluklara indirgenemeyeceğinin farkındayız.” Source: RevenueBase Database · checked Sep 28, 2026
3	Söz1 İŞ Sağlığı VE Güvenliği	Indirect evidence	Ümitköy, TürkiyeHQ checked Sep 28, 2026	201-500	92 contacts →
	Indirect evidence “Söz1″ İş Sağlığı ve İş Güvenliği Org.” Source: RevenueBase Database · checked Sep 28, 2026
4	Artı Danışmanlık	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	201-500	73 contacts →
	Indirect evidence “1997 yılında, ülkemizde işçi sağlığı ve iş güvenliği uygulamalarını ve yönetimini geliştirme hedefiyle yola çıktık.” Source: RevenueBase Database · checked Sep 28, 2026
5	SEYIR	Partial evidence	Gebze, TürkiyeHQ checked Sep 28, 2026	51-200	27 contacts →
	Partial evidence “Process Safety” Source: RevenueBase Database · checked Sep 28, 2026
6	Ulus Mühendi̇sli̇k	Indirect evidence	Maltepe, TürkiyeHQ checked Sep 28, 2026	11-50	26 contacts →
	Indirect evidence “Ulus Mühendislik Olarak, ÇEVRE DANIŞMANLIĞI' nda Uzman Mühendis Kadrolarımızla Hizmet Sunmaktayız.” Source: RevenueBase Database · checked Sep 28, 2026
7	Proçed Çevre Danışmanlığı Mühendislik İnş. San. VE Tic. Ltd. ŞTI	Indirect evidence	İzmir, TürkiyeHQ checked Sep 28, 2026	11-50	24 contacts →
	Indirect evidence “Proçed Çevre Danışmanlığı Mühendislik İnş.” Source: RevenueBase Database · checked Sep 28, 2026
8	Tmgd TR Mühendi̇sli̇k Ltd. Şti̇	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	51-200	24 contacts →
	Indirect evidence “Kuruluşumuz; dinamik, konusunda yüksek tecrübeye sahip Kimya ve Çevre Mühendisi girişimcilerce, yüksek kalite ve mühendislik ilkeleri ışığında, 2015 yılında hizmet vermeye…” Source: RevenueBase Database · checked Sep 28, 2026
9	Derece Osgb & İlkyardim	Indirect evidence	Kocaeli, TürkiyeHQ checked Sep 28, 2026	11-50	24 contacts →
	Indirect evidence “DERECE OSGB & İLKYARDIM olarak, 2017'den bu yana Türkiye'nin iş güvenliği ve sağlığı alanında güvenilir çözüm ortağıyız.” Source: RevenueBase Database · checked Sep 28, 2026
10	Özlem Akademi̇ Eği̇ti̇m Danişmanlik AŞ	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	1-10	24 contacts →
	Indirect evidence “Özlem Akademi SEVESO Direktifi, İş Sağlığı ve Güvenliği, Makine Emniyeti, Proses Emniyeti, İş Sağlığı ve Güvenliği, Atex Direktifleri vb.” Source: RevenueBase Database · checked Sep 28, 2026
11	ETC Çevre Teknolojileri	Indirect evidence	Konutkent Çankaya, TürkiyeHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “ETC, 2004 yılında faaliyetlerine başlamış olup çevre danışmanlık, ÇED Raporları, Proje Tanıtım Dosyaları hazırlanması, atıksu arıtma tesisleri yapımı, işletme ve bakım hizmetleri…” Source: RevenueBase Database · checked Sep 28, 2026
12	Crad Çevre Risk Analiz Denetim VE Eğitim Hizmetleri A.Ş	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	22 contacts →
	Indirect evidence “CRAD 2008 yılında, kimya ve benzeri endüstri alanlarını Türkiye ve dünya çapında kimyasal mevzuatlara uyum konusunda desteklemek amacıyla kurulmuştur.” Source: RevenueBase Database · checked Sep 28, 2026
13	Eçed Çevre Danışmanlık VE Mühendislik Hizmetleri	Indirect evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	21 contacts →
	Indirect evidence “2001 yılında kurucumuz Harun TEKAY Çevre Danışmanlık hizmetlerinde aktif çalışma hayatına başlamıştır.” Source: RevenueBase Database · checked Sep 28, 2026
14	Isis Turkey	Indirect evidence	Manavgat, TürkiyeHQ checked Sep 28, 2026	11-50	19 contacts →
	Indirect evidence “ISIS Türkiye, kurulduğu 2003 yılından itibaren faaliyet alanlarında sektörün kurallarını oluşturan bilimsel çalışma anlayışı, multidisipliner profesyonel ekibi ile ülkemizin…” Source: RevenueBase Database · checked Sep 28, 2026
15	Dönüşen Adam	Strong evidence	Istanbul, TürkiyeHQ checked Sep 28, 2026	11-50	18 contacts →
	Strong evidence “Turkey's leading provider of consultancy & training solutions for health, safety & environment Many organisations receive poor advice and pay too much through health, safety and…” Source: RevenueBase Database · checked Sep 28, 2026
16	2u1k Engineering And Consultancy INC	Indirect evidence	Çankaya, TürkiyeHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “2U1K Mühendislik ve Danışmanlık A.Ş, 2012 yılında Turgay Eser (Çevre Mühendisi), Günal Özenirler (Çevre Yüksek Mühendisi) ve Dündar Emre Kaya (Çevre Mühendisi) tarafından…” Source: RevenueBase Database · checked Sep 28, 2026
17	Doruksistem AS	Indirect evidence	Kadıkoy, TürkiyeHQ checked Sep 28, 2026	11-50	15 contacts →
	Indirect evidence “DORUKSISTEM ENGINEERING, TECHNOLOGY & CONSULTANCY, INC.” Source: RevenueBase Database · checked Sep 28, 2026
18	İlkadim Osgb	Indirect evidence	Ilkadim, TürkiyeHQ checked Sep 28, 2026	51-200	13 contacts →
	Indirect evidence “İşyeri̇ heki̇mi̇ hi̇zmetleri̇ i̇ş güvenli̇ği̇ uzmani hi̇zmetleri̇ di̇ğer sağlik personeli̇ hi̇zmetleri̇ mobi̇l sağlik hi̇zmetleri̇” Source: RevenueBase Database · checked Sep 28, 2026
19	İdeal İŞ Sağliği VE Güvenli̇ği̇	Indirect evidence	Ankara, TürkiyeHQ checked Sep 28, 2026	51-200	12 contacts →
	Indirect evidence “İş Sağlığı ve Güvenliği Eğitim ve Danışmanlık - Kişisel Koruyucu Malzeme - İlk Yardım Eğitimleri - İSG Profesyonelleri Eğitimleri - İş Sağlığı ve Güvenliği Kültür Programları -…” Source: RevenueBase Database · checked Sep 28, 2026
20	Lokman Hekim Osgb	Indirect evidence	İstanbul, TürkiyeHQ checked Sep 28, 2026	11-50	11 contacts →
	Indirect evidence “Lokman Hekim OSGB, alanında deneyimli danışmanların bir araya gelmesiyle oluşmuştur.” Source: RevenueBase Database · checked Sep 28, 2026
21	Dorlion Çevre	Indirect evidence	Mamure, TürkiyeHQ checked Sep 28, 2026	1-10	11 contacts →
	Indirect evidence “Temmuz 2015'te faaliyetine başlayan Dorlion Çevre, Türkiye genelinde uzman kadrosuyla çevre mühendisliği konusunda mühendislik hizmetleri vermektedir.” Source: RevenueBase Database · checked Sep 28, 2026
22	Resisco Mühendislik A.Ş	Indirect evidence	Çankaya, TürkiyeHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “Resisco, ülkenin alanlarında öncü firmalarına Sera Gazı Emisyonları, Sürekli Emisyon Ölçüm Sistemleri (SEÖS) Mevzuat ve Uygulamaları ve genel olarak Çevre Mevzuatları hakkında…” Source: RevenueBase Database · checked Sep 28, 2026
23	OWLAQ	Partial evidence	Sincan, TürkiyeHQ checked Sep 28, 2026	11-50	10 contacts →
	Partial evidence “OHS TRAINING I CONSULTING I AUDITING I INSPECTION I EQUIPMENT I OPERATION GWO I IRATA I SPRAT I ERCA I Working at Height I Confined Space I Scaffolding I Rigging Lifting I PPE…” Source: RevenueBase Database · checked Sep 28, 2026
24	Intergeo Çevre Teknolojileri Ltd.Şti	Indirect evidence	Kadikoy, TürkiyeHQ checked Sep 28, 2026	11-50	10 contacts →
	Indirect evidence “Uzman mühendislerimiz ile çevre sektöründe uygun, teknolojik, sürdürülebilir çözümler üretiyoruz.” Source: RevenueBase Database · checked Sep 28, 2026
25	PPM Kirlilik Önleme VE Yönetimi Ltd. ŞTI	Indirect evidence	Çankaya, TürkiyeHQ checked Sep 28, 2026	11-50	9 contacts →
	Indirect evidence “ÇED Raporları Hazırlanması Çevre Danışmanlığı Uluslararası Kurum ve Kuruluşları İçin Çevresel ve Sosyal Etki Değerlendirmesi (ÇSED) Raporları Hazırlanması Sosyal Etki…” Source: RevenueBase Database · checked Sep 28, 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: environmental health and safety 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 environmental health and safety consulting firms.
Partial evidence: Its own public description names part of environmental health and safety consulting firms, so it works in or next to the category without describing itself that way.
Indirect evidence: The description shown does not name environmental health and safety 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 643 environmental health and safety consulting firms based in Türkiye

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Environmental health and safety consulting firms based in Türkiye at a glance

As of Sep 28, 2026

4.1%Verified-email coverage

7.3Average contacts per company

11-50Median size (employees)

17.7%Largest-city concentration · Istanbul

Sep 28, 2026Page data refreshed

Companies by employee count

1-10

299

11-50

254

51-200

201-500

501-1,000

1,001-5,000

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 643 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 environmental health and safety 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 “environmental health and safety 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 environmental health and safety 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 environmental health and safety 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, 195 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 environmental health and safety 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 environmental health and safety consulting firms are there based in Türkiye?

RevenueBase identified 643 environmental health and safety 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?

Wellpoint, headquartered in Istanbul, tops this list with the largest team on record.

Which city has the most environmental health and safety consulting firms?

Istanbul leads with 114 headquartered companies, followed by Ankara (51) and Izmir (38).

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 195 verified decision-maker contacts tracked across these 643 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.