Company lists · Data refreshed November 2026

Top 25 Infrastructure consulting services based in Türkiye

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

Compiled by the RevenueBase Data Team Data refreshed Nov 6, 2026 1,129 companies tracked

RevenueBase identified 1,129 company matches for infrastructure consulting services associated with Türkiye as of November 2026 and tracks 28,017 professional contacts across them, including 9,233 with verified work emails. Istanbul is the largest hub.

This list covers company matches for infrastructure consulting services 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 6, 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 6, 2026 How this list was built

1,129Companies

28,017Contacts tracked

9,233Verified emails

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The 25 largest infrastructure consulting services based in Türkiye

Ranked by team size

Top 25 of 1,129 company matches for infrastructure consulting services based in Türkiye, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Nov 6, 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.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	Prokon Mühendislik VE Müşavirlik A.Ş	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	201-500	411 contacts →
	Exact match “Expertise in Design, Engineering & Consultancy” PROKON Engineering & Consultancy Inc.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
2	Temelsu International Engineering Services INC	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	201-500	212 contacts →
	Exact match “TEMELSU is a well known Turkish consulting engineering company which provides multidisciplinary engineering services, locally and internationally, since its foundation in 1969.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
3	Eltemtek A.Ş	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	501-1,000	207 contacts →
	Exact match “ELTEMTEK A.Ş olarak temel mühendislik hizmetlerinden, yatırım danışmanlığına; işletme hizmetlerine, sistem analiz etütlerine, harita ve kamulaştırma hizmetlerine uzanan geniş bir…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
4	Entegre Project Management	Exact match	Atasehir, TürkiyeHQ recorded Nov 6, 2026	51-200	203 contacts →
	Exact match “ENTEGRE PROJECT MANAGEMENT is one of the leading Development Consultancy and Project Management Companies in Turkey and provides services to its clients with utmost care of…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
5	Prota Engineering	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	201-500	198 contacts →
	Exact match “Founded in 1985, Prota Engineering is a pioneering design firm with a global footprint, having executed over projects spanning across 25 countries, having offices in Turkey…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
6	Dolsar Engineering Inc. CO	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	201-500	185 contacts →
	Exact match “Founded in 1971, DOLSAR is a multi-disciplinary engineering firm offering engineering, architectural, consultancy and supervision services for large-scale projects in a wide range…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
7	Cottgroup	Exact match	Istanbul, TürkiyeHQ recorded Nov 6, 2026	201-500	125 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 6, 2026 · View company records in RevenueBase
8	Mega Engineering Consulting	Exact match	Umitkoy, TürkiyeHQ recorded Nov 6, 2026	201-500	116 contacts →
	Exact match “MEGA Engineering Consulting Inc, established in 1993, is a multidisciplinary firm that provides engineering, design, construction supervision and project management services for a…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
9	Promer Consultancy Engineering INC	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	51-200	105 contacts →
	Exact match “PROMER Müşavirlik Mühendislik A.Ş.® is an independent engineering-consultancy company offering various professional solutions and services for industries such as mining, power…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
10	Alter Uluslararası Mühendislik VE Müşavirlik Hiz. A.Ş	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	201-500	97 contacts →
	Exact match “ALTER International is an independent group of consultants providing science and technology based solutions for multi-disciplinary projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
11	Apco Teknik	Exact match	Ankara And Istanbul, TürkiyeHQ recorded Nov 6, 2026	51-200	89 contacts →
	Exact match “Apco is a full-service engineering, consultancy and project management firm, established in 1987.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
12	WYG Türkiye	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	51-200	83 contacts →
	Exact match “WYG is an award-winning professional services firm employing over 1,600 people and operating from more than 50 locations across the UK, Europe, Africa, Asia and the Middle East.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
13	BCT Construction Architecture Engineering Consultancy Incorporated Company	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	51-200	77 contacts →
	Exact match “Founded in 2004, BCT Architecture Engineering Consulting Company has established its local offices in different regions of Turkey in order to keep up with the demand from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
14	Famer Group	Exact match	Cankaya, TürkiyeHQ recorded Nov 6, 2026	51-200	73 contacts →
	Exact match “Famer Group is an international independent consulting company, offering Planning, Architectural, Engineering Design and Management services for construction projects.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
15	TIBA	Exact match	Istanbul, TürkiyeHQ recorded Nov 6, 2026	51-200	71 contacts →
	Exact match “TIBA is formed in 2005 to serve expanding needs of construction industry.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
16	Systra Türkiye	Exact match	Cankaya, TürkiyeHQ recorded Nov 6, 2026	51-200	66 contacts →
	Exact match “Toplu taşıma ve mobilite çözümleri konusunda uzmanlaşmış, dünyanın öncü mühendislik ve danışmanlık gruplarından SYSTRA, 65 yılı aşkın süredir ulaşım altyapılarını oluşturarak…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
17	Arksoft	Exact match	Çankaya, TürkiyeHQ recorded Nov 6, 2026	11-50	61 contacts →
	Exact match “Arksoft was founded by the experts on their domains and gives the consultancy services to Turkey's largest enterprises and government organizations by it's unique team.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
18	SU Bilgi Teknolojileri	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	51-200	56 contacts →
	Exact match “SU Information Technologies offers several services on central purchase, infrastructure design and configuration, business analysis and software development, digital…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
19	Boğaziçi Proje Mühendislik A.Ş	Exact match	İstanbul, TürkiyeHQ recorded Nov 6, 2026	51-200	50 contacts →
	Exact match “Ulaşım Planlaması, Raylı Sistem Mühendisliği, Ulaştırma ve Trafik Mühendisliği, Karayolu ve Sanat Yapıları Mühendisliği ile Müşavirlik ve Danışmanlık Hizmetleri” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
20	Arge Consulting Arge Danışmanlık	Exact match	Beykoz, TürkiyeHQ recorded Nov 6, 2026	11-50	43 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 6, 2026 · View company records in RevenueBase
21	AGM Mühendislik	Exact match	Ankara, TürkiyeHQ recorded Nov 6, 2026	11-50	35 contacts →
	Exact match “AGM Mühendislik 1993 yılında Ankara'da kurulmuştur.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
22	Doğuş Elektrik Elektronik Bilgisayar Altyapı Hizmetleri	Exact match	İstanbul, TürkiyeHQ recorded Nov 6, 2026	51-200	33 contacts →
	Exact match “1987 yılından bugüne ilk gün heyecanımızla ve her an gelişen vizyonumuzla hizmetlerimizi sürdürüyoruz.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
23	Investo Global	Exact match	Bahçelievler, TürkiyeHQ recorded Nov 6, 2026	51-200	33 contacts →
	Exact match “We're more than 120 personnel in sectors of construction, real estate, engineering, healthcare tourism, and food industry, founded to integrate its experience of over nine years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
24	Ulus Mühendi̇sli̇k	Exact match	Maltepe, TürkiyeHQ recorded Nov 6, 2026	11-50	33 contacts →
	Exact match “Ulus Mühendislik Olarak, ÇEVRE DANIŞMANLIĞI' nda Uzman Mühendis Kadrolarımızla Hizmet Sunmaktayız.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase
25	LIV Engineering	Exact match	Çankaya, TürkiyeHQ recorded Nov 6, 2026	51-200	31 contacts →
	Exact match “Liv Engineering & Consulting, have served to especially local governments in the fields of water network, waste water – storm water network, waste water treatment plant, sanitary…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase

RevenueBase SmartSearch

Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.

This list uses Exact for “infrastructure consulting services”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.

Showing 25 of 1,129 infrastructure consulting services based in Türkiye

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Infrastructure consulting services based in Türkiye at a glance

As of Nov 6, 2026

33.0%Verified-email coverage

24.8Average contacts per company

1-10Median size (employees)

25.6%Largest-city concentration · Istanbul

Nov 6, 2026Page data refreshed

Companies by employee count

1-10

634

11-50

364

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 1,129 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 “infrastructure consulting services” 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 9,233 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 6, 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.

Infrastructure consulting services 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 “infrastructure consulting services”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many infrastructure consulting services are there based in Türkiye?

RevenueBase identified 1,129 company matches for infrastructure consulting services 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?

Prokon Mühendislik VE Müşavirlik A.Ş tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.

Which city has the most infrastructure consulting services?

Istanbul leads with 289 company records, followed by Ankara (179) and Cankaya (88).

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 9,233 professional contacts with verified work emails tracked across these 1,129 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 6, 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.