Company lists · Data refreshed September 2026
Top 25 Lean operations consulting firms based in Türkiye
RevenueBase identified 142 lean operations consulting firms headquartered in Türkiye as of September 2026 and tracks 581 professional contacts across them, including 84 with verified work emails. Istanbul is the largest hub.
This list covers lean operations 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 lean operations consulting firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 42 contacts → | ||||
Indirect evidence “BT Bilgi Teknolojileri, Türkiye’nin önde gelen rekabetçi markalarına, “Yalın İş, Yalın Teknoloji” ilkesi ile ve 15 yıla yakın bir süredir, kurumsal yönetim danışmanlığı ve bilgi…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 2 | 19 contacts → | ||||
Partial evidence “BiLiG OpEx was founded in the UK in 2015 with the aim of providing solutions to business problems with current methods and digital technologies in the field of Operational…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 3 | 12 contacts → | ||||
Indirect evidence “S.P.A.C.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 4 | 11 contacts → | ||||
Indirect evidence “Ne için varız: Projesis Üretim İşletmelerinin, Daha iyi üretim yapmalarına katkıda bulunmak için kurulmuştur.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 5 | 11 contacts → | ||||
Indirect evidence “2008 Yılında Garanti Eğitim ve Danışmanlık olarak kurulan şirketimiz, global büyüme stratejilerimiz doğrultusunda 2019 yılı itibariyle Expremus olarak hizmet vermeye devam…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 6 | 11 contacts → | ||||
Indirect evidence “Zor değil.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 7 | 10 contacts → | ||||
Partial evidence “Gemba Partner delivers high-impact Lean Management & System Integration.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 8 | 9 contacts → | ||||
Partial evidence “Established in 2011 • In cooperation among Lean Management Experts, • Significant Lean Management experience & expertise • Specializing mainly on turn around management activities…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 9 | 7 contacts → | ||||
Partial evidence “Kaizen Institute'ün bütün Dünya'da yaptığı gibi Kaizen Institute TURKEY'de, KAIZEN™ ve LEAN(YALIN) araçlarını kullanmak suretiyle Türkiye'de de hemen her sektördeki…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 10 | 7 contacts → | ||||
Indirect evidence “We help businesses lower costs, reduce communication noise, move faster, and increase sales by combining technology, product design, and management science.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 11 | 7 contacts → | ||||
Partial evidence “MATRİS was established in 2002 with the aim of raising the bar for consultancy and training services on Six Sigma, Lean and Lean Six Sigma, with the knowledge and experience…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 12 | 6 contacts → | ||||
Indirect evidence “Argesoft, yazılım geliştirme alanında faaliyete başlamış olup, hemen her sektörde iş süreçlerine dayalı analiz yeteneğinin ve buna dayalı başarılı yazılım projeleri sonrası…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 13 | 5 contacts → | ||||
Indirect evidence “SEMPRO is a training and consultancy firm established in 2015, specializing in corporate transformation and product lifecycle management.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 14 | 4 contacts → | ||||
Partial evidence “Platform Art is a boutique consulting and training company co-founded by Melda Özer & Hakan Urhan.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 15 | 4 contacts → | ||||
Indirect evidence “Strateji Geliştirme ve Uygulama Mevcut Durum Analizi SWOT Analizi Çevre Analizleri Rekabet Analizi Finansal Performans Analizi Satış Performansı Analizi Misyon & Vizyon Analizi…” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 16 | 4 contacts → | ||||
Indirect evidence “Yalın Üretim, 6 Sigma, Operasyonel Mükemmellik Sürekli İyileştirme danışmanlık ve eğitim hizmetleri.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 17 | 3 contacts → | ||||
Indirect evidence “Stiza Danışmanlık olarak; İş dünyasının tüm sektörlerinde, geniş bir planlama gücü ile,operasyonel mükemmellik uygulamalarına kılavuzluk ediyoruz.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 18 | 3 contacts → | ||||
Partial evidence “Results Corporate Productivity Solutions is a Management Consulting company based in Istanbul, Turkey.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 19 | 3 contacts → | ||||
Indirect evidence “Ahi Yönetim Danışmanlığı, profesyonel bir yapı içerisinde, kurumların yönetim sistemleri ve personel yetkinliği hususlarında çözüm sunmak amacıyla yılında faaliyetine başladı.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 20 | 3 contacts → | ||||
Strong evidence “Thrones Consulting is a management consulting firm dedicated to empowering businesses and organizations to optimize their operations and reach their objectives.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 21 | 2 contacts → | ||||
Indirect evidence “Şirketimiz 2020 yılı itibari ile Karadeniz bölgesinde faaliyete başlamıştır.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 22 | 2 contacts → | ||||
Indirect evidence “BigLogic is a butique company that meets the needs of corporations with innovative technology solutions and creates advantages for its customers.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 23 | 2 contacts → | ||||
Indirect evidence “Yalın üretim sistemi eğitim ve danışmanlık, kaizen, kanban, smed, tpm, 5S, jidoka, heijunka, apqp, fmea, poka-yoke” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 24 | 1 contacts → | ||||
Strong evidence “Management Consulting; Coaching and Mentoring, Corporate Consulting, Business Consultancy and Operational Consulting Services.” Source: RevenueBase Database · checked Sep 28, 2026Thanks. The Data Team will review it. | |||||
| 25 | 1 contacts → | ||||
Strong evidence “Lean-Opex is a mastered & freelance consulting and training company on operational excellence which also has expertise and excitement of being the first in the field with the…” 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: lean operations 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 lean operations consulting firms.
- Partial evidence
- Its own public description names part of lean operations consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name lean operations 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 142 lean operations consulting firms based in Türkiye
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Lean operations 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 142 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 lean operations 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 “lean operations 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 lean operations 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 lean operations 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, 84 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.
Lean operations consulting firms by metro
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 lean operations 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 lean operations consulting firms are there based in Türkiye?
RevenueBase identified 142 lean operations 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?
BT Bilgi Teknolojileri, headquartered in Istanbul, tops this list with the largest team on record.
Which city has the most lean operations consulting firms?
Istanbul leads with 48 headquartered companies, followed by Bursa (11) and Izmir (11).
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 84 verified decision-maker contacts tracked across these 142 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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