Company lists · Data refreshed September 2026
Top 25 System architecture consulting firms based in Türkiye
RevenueBase identified 452 system architecture consulting firms headquartered in Türkiye as of September 2026 and tracks 3,081 professional contacts across them, including 570 with verified work emails. Istanbul is the largest hub.
This list covers system architecture 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 29, 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 system architecture consulting firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 90 contacts → | ||||
Indirect evidence “Deka Technology, started in Istanbul as a small company with the desire for being the best in its area, is here for companies around the world since 2017.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 2 | 89 contacts → | ||||
Partial evidence “Infonal is a technology services and IT consultancy company providing deeply enterprise software architecture and domain specific know how.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 3 | 82 contacts → | ||||
Indirect evidence “Sistem Entegrasyon | Yazılım Geliştirme | Veri Merkezi Çözümleri | IT Güvenlik Çözümleri | Danışmanlık Servisleri” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 4 | 67 contacts → | ||||
Strong evidence “Famer Group is an international independent consulting company, offering Planning, Architectural, Engineering Design and Management services for construction projects.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 5 | 53 contacts → | ||||
Indirect evidence “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.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 6 | 46 contacts → | ||||
Indirect evidence “ELSA BİLİŞİM A.Ş.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 7 | 41 contacts → | ||||
Strong evidence “Established in 2015, Montag Consulting is the recognized leader in solution design and implementation services for information technology systems.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 8 | 39 contacts → | ||||
Indirect evidence “BTE Bilgisayar (Bilgi Teknolojileri Eğitim ve Danışmanlık) 2009 yılında sistem entegratör kimliğiyle IT sektörüne giriş yapmıştır.Profesyonel güçlü kadrosuyla birlikte müşteri…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 9 | 35 contacts → | ||||
Partial evidence “ANKASOFT, a software and technology consulting and services business, works with worldwide enterprises to create, administer, manage, and protect multi-cloud applications.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 10 | 31 contacts → | ||||
Indirect evidence “Organizasyonel mimarinin tasarımı, dikey fonksiyonel birimlerin yapılandırılması, süreçlerin tanımlanması ve işletilmesi, performans kurgusu ve kuruma içkin denetim…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 11 | 29 contacts → | ||||
Indirect evidence “Prozon Kurumsal Teknoloji Çözümleri Anonim Şirketi, Proventus Danışmanlık Limited Şirketi'nin tescilli markası ve teknoloji şirketi olarak 2020'de kuruldu.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 12 | 29 contacts → | ||||
Indirect evidence “1987 yılından bugüne ilk gün heyecanımızla ve her an gelişen vizyonumuzla hizmetlerimizi sürdürüyoruz.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 13 | 27 contacts → | ||||
Indirect evidence “Coretek Bilgi Teknolojileri, müşterilerine yüksek teknoloji bileşenlerini kullanarak, konularında uzman kadrosu ile sektörde bilişim alanında ilerlemeyi hedefleyen kurumların…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 14 | 27 contacts → | ||||
Indirect evidence “Probim Teknoloji, 14 yıllık sektör deneyimi ile her ölçekteki kurum ve gereksinimler için IT çözümleri sağlamaktadır.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 15 | 24 contacts → | ||||
Partial evidence “NEX TECHNOLOGY is leader system integrator in IT Infrastructure and related services for private and public sector organizations.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 16 | 24 contacts → | ||||
Indirect evidence “Promet, kamu ve özel sektör kurumlarına entegre yazılım, sistem mühendisliği ve dijital altyapı çözümleri sunan bir teknoloji şirketidir.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 17 | 24 contacts → | ||||
Partial evidence “Özer + Tulgan Architecture has been founded in 2007 by Emre Özer and Tayfun Tulgan.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 18 | 23 contacts → | ||||
Partial evidence “Nev generation technology consulting.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 19 | 22 contacts → | ||||
Partial evidence “We are consultants with technical expertise in IT Architecture, Open Source Technology, Agile Development, Test Automation, DevOps and Java Platform.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 20 | 20 contacts → | ||||
Partial evidence “Systek Bilişim, teknoloji dünyasında bir öncü olarak sunucu ve altyapı hizmetleri, uygulama geliştirme ve süreç geliştirme alanlarında faaliyet göstermektedir.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 21 | 19 contacts → | ||||
Indirect evidence “Trevi Teknoloji, 2009 yılında Bursa merkezli olarak kurulmuş ve sertifikalı uzman mühendis kadrosu ile çözüm odaklı hizmetler vermektedir.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 22 | 19 contacts → | ||||
Indirect evidence “Bilişim danışmanlığı, outsourcing, yazılım danışmanlığı konusunda uzman ekibimizle hizmetinizdeyiz” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 23 | 18 contacts → | ||||
Indirect evidence “Uzun yıllar sektörde başarılı firmalarda, onlarca projede yer almış isimlerin 2013’te bir araya gelerek kurduğu Trustnet, pek çok farklı sektörde, network, veri merkezi…” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 24 | 18 contacts → | ||||
Indirect evidence “We are a team of engineers and business professionals gathered to build an entrepreneurship aimed to think and act as an extension of our client's information technology teams.” Source: RevenueBase Database · checked Sep 29, 2026Thanks. The Data Team will review it. | |||||
| 25 | 18 contacts → | ||||
Indirect evidence “Yesis Bilişim A.Ş, 2008 yılından bu yana kurumsal firmalara IT danışmanlık, sistem yönetimi, siber güvenlik ve teknoloji altyapı hizmetleri sunmaktadır.” Source: RevenueBase Database · checked Sep 29, 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: system architecture 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 system architecture consulting firms.
- Partial evidence
- Its own public description names part of system architecture consulting firms, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name system architecture 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 452 system architecture consulting firms based in Türkiye
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System architecture consulting firms based in Türkiye at a glance
As of Sep 29, 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 452 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 system architecture 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 “system architecture 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 system architecture 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 system architecture 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, 570 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 29, 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.
System architecture 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 system architecture 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 system architecture consulting firms are there based in Türkiye?
RevenueBase identified 452 system architecture 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?
Deka Technology, headquartered in Istanbul, tops this list with the largest team on record.
Which city has the most system architecture consulting firms?
Istanbul leads with 153 headquartered companies, followed by Ankara (44) and Cankaya (19).
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 570 verified decision-maker contacts tracked across these 452 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 29, 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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