Company lists · Data refreshed November 2026

Top 25 Enterprise efficiency consultants based in Türkiye

RevenueBase identified 360 company matches for enterprise efficiency consultants associated with Türkiye as of November 2026 and tracks 1,591 professional contacts across them, including 260 with verified work emails. Istanbul is the largest hub.

This list covers company matches for enterprise efficiency consultants 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 5, 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 5, 2026 How this list was built
360Companies
1,591Contacts tracked
260Verified emails
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The 25 largest enterprise efficiency consultants based in Türkiye

Ranked by team size
Top 25 of 360 company matches for enterprise efficiency consultants based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 5, 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 matchIstanbul, TürkiyeHQ recorded Nov 5, 2026201-500125 contacts →

Exact match

“CottGroup® is a holistic service organization that offers a full range of consulting, outsourcing, technology, and training services to manage operations and provide practical…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
2Exact matchBeykoz, TürkiyeHQ recorded Nov 5, 202611-5043 contacts →

Exact match

“ARGE Consulting is a globally recognized Turkish management consulting firm that was founded in 1991.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
3Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202611-5037 contacts →

Exact match

“Founded in 2013, VAT Enerji Hizmetleri offers energy efficiency studies, real‑time monitoring with OBSERVER, engineering and contracting services to cut consumption and costs -…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
4Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202611-5029 contacts →

Exact match

“2010 yılından bu yana faaliyet gösteren Grupas, sanayi ve hizmet sektörlerindeki kuruluşların gelişim yolculuklarına eşlik eden bir eğitim, danışmanlık ve teknoloji firmasıdır.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
5Exact matchAnkara, TürkiyeHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“Çevre Miras Değil, Gelecek Nesillere Devredilecek Emanettir.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
6Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202611-5020 contacts →

Exact match

“BEST Enerji Yönetimi; Sanayide ve Binalarda Enerji Verimliliğine odaklanmış tüm Türkiye'de faaliyetlerini yürüten enerji verimliliği şirketidir.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
7Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-5018 contacts →

Exact match

“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…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
8Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Verimlilik bizim için sadece bir kelime değil, 20 yıl önce şirketimize isim belirlerken ilham aldığımız bir tutku.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
9Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“ARY, şirketlerin iş süreçlerini daha etkin ve verimli kılmalarını sağlayan çözümler sunmaktadır.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
10Exact matchIzmir, TürkiyeHQ recorded Nov 5, 202611-5017 contacts →

Exact match

“Onur Enerji is a technical consultancy company, specializing in energy efficiency and renewable energy technologies to make the world greener.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
11Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-5016 contacts →

Exact match

“Eurosis Consulting delivers sustainable results, helps clients achieve essential advantage by working with them to identify and build the differentiating capabilities they need to…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
12Exact matchYenisehir, TürkiyeHQ recorded Nov 5, 202611-5014 contacts →

Exact match

“2008 Yılında Garanti Eğitim ve Danışmanlık olarak kurulan şirketimiz, global büyüme stratejilerimiz doğrultusunda 2019 yılı itibariyle Expremus olarak hizmet vermeye devam…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
13Exact matchBornova, TürkiyeHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“1996 yılında İzmir’de kurulan SİMGEÇÖZÜMEVİ, bugün 500' ü aşkın müşterisi ve 15' e yakın iş ortağı ile alanında uzmanlaşmış personeli ve kurumsal organizasyon yapısı ile hizmet…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
14Exact matchAtasehir, TürkiyeHQ recorded Nov 5, 202611-5013 contacts →

Exact match

“BESENVE, enerji verimliliği danışmanlığı alanında verimlilik artırıcı çözümlere dair enerji etüdü, mühendislik, projelendirme, uygulama, test ve işletmeye alma, performans ölçme…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
15Exact matchKadıköy, TürkiyeHQ recorded Nov 5, 202611-5012 contacts →

Exact match

“TEM Management Development Services Inc, which was founded in is a consultancy company which is providing;* Company Based Indoor & Outdoor Training * Management & Organization…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
16Exact matchBursa, TürkiyeHQ recorded Nov 5, 202611-5011 contacts →

Exact match

“BeStrategy | Geleceği Strateji ve Dijital Dönüşümle Tasarlıyoruz Değişimi yönetmek bir tercih değil, sürdürülebilir büyüme için bir zorunluluktur.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
17Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“The principal goal of the solutions offered by D-CAT is to add extra value to the business ecosystems of the companies by shortening the time asked for a business model and by…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
18Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-5010 contacts →

Exact match

“With nearly 25 years of experience, Inter Motto Strategic Consulting provides integrated strategic consulting focused on sustainable development, transformation and organisational…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
19Exact matchÇorlu, TürkiyeHQ recorded Nov 5, 20261-1010 contacts →

Exact match

“Demand Enerji Servisleri, bünyesinde bulunan uzman mühendis ve teknik personeli ile Endüstriyel tesislerde ve enerji üretim santrallerinde enerji verimliliğini arttırmak amacıyla…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
20Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-509 contacts →

Exact match

“Mag Consulting, founded in 1990, is one of the most experienced institutions in business consulting with a focus on corporate restructuring and turnaround management in Turkey and…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
21Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 20261-109 contacts →

Exact match

“Ma² Consulting offers a wide range of financial and technology consultancy and coaching services for various industries.”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
22Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 20261-108 contacts →

Exact match

“Founded in August 2012, Executas Consulting Services is grounded in a 30-year legacy of success, specializing in Human Resource Management, Corporate Governance, Process Analysis…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
23Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 202611-507 contacts →

Exact match

“Zesko undertakes the consultancy, support, assistance, training activities in order to achieve high efficiency in knowledge and competency in relation to ensure the organizations…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
24Exact matchIstanbul, TürkiyeHQ recorded Nov 5, 202611-507 contacts →

Exact match

“12M Consulting offers process analysis and design, project management, training and system optimization services as well as enterprise software solutions, mobile applications…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase
25Exact matchİstanbul, TürkiyeHQ recorded Nov 5, 20261-106 contacts →

Exact match

“Natustech, kurumların iş süreçlerini dijitalleştirmelerine, verimliliklerini artırmalarına ve sürdürülebilir bir dönüşüm modeli oluşturmalarına yardımcı olan kurumsal teknoloji…”

Recorded in the RevenueBase company graph · Nov 5, 2026 · View company records in RevenueBase

Showing 25 of 360 enterprise efficiency consultants based in Türkiye

See the full list, filter by size, metro and specialty, and access 260 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise efficiency consultants based in Türkiye at a glance

As of Nov 5, 2026
16.3%Verified-email coverage
4.4Average contacts per company
1-10Median size (employees)
35.8%Largest-city concentration · Istanbul
Nov 5, 2026Page data refreshed

Companies by employee count

1-10
242
11-50
102
51-200
10
201-500
5
5,001-10,000
1

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 360 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 “enterprise efficiency consultants” 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 260 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 5, 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.

Enterprise efficiency consultants by metro

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 “enterprise efficiency consultants”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise efficiency consultants are there based in Türkiye?

RevenueBase identified 360 company matches for enterprise efficiency consultants 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?

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

Which city has the most enterprise efficiency consultants?

Istanbul leads with 129 company records, followed by Izmir (25) and Ankara (23).

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 260 professional contacts with verified work emails tracked across these 360 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 5, 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.