Company lists · Data refreshed November 2026
Top 25 Legacy system integration firms based in Türkiye
RevenueBase identified 260 company matches for legacy system integration firms associated with Türkiye as of November 2026 and tracks 4,604 professional contacts across them, including 1,328 with verified work emails. Istanbul is the largest hub.
This list covers company matches for legacy system integration firms 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.
The 25 largest legacy system integration firms based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,573 contacts → | ||||
Exact match “KoçSistem is the leader in information technologies pioneering the sector since 1945, serving both in Turkey and in more than 30 countries from Azerbaijan to Saudi Arabia, from…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 404 contacts → | ||||
Exact match “1995’te Eresoft adıyla kurulan ve 1997’de SAP’nin Türkiye’deki ilk yerel iş ortağı olan şirketimiz, 2005 yılında 10 farklı ülkede faaliyet gösteren BTC Group bünyesine katılarak…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 268 contacts → | ||||
Exact match “Welcome to PiA, where we put People in Action to accelerate our client’s technology innovation cycles and help them addressing hyper-competition.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 160 contacts → | ||||
Exact match “Sentim Information Technologies is one of the leading companies that introduced the computer technologies in Turkey and pioneered the development and spread of the same in the…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 123 contacts → | ||||
Exact match “Founded in 1994, BIS is a leading technology and service provider delivering packaged application solutions as well as custom software development, frameworks, integration…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 87 contacts → | ||||
Exact match “Sistem Entegrasyon | Yazılım Geliştirme | Veri Merkezi Çözümleri | IT Güvenlik Çözümleri | Danışmanlık Servisleri” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 69 contacts → | ||||
Exact match “vMind, offering systems integration and technology services with advanced degrees of expertise in national and international market, also with innovative and effective solutions…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 60 contacts → | ||||
Exact match “Our team is specialized in enterprise application development, data quality, analytics and data integration.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 42 contacts → | ||||
Exact match “BTE Bilgisayar (Bilgi Teknolojileri Eğitim ve Danışmanlık) 2009 yılında sistem entegratör kimliğiyle IT sektörüne giriş yapmıştır.Profesyonel güçlü kadrosuyla birlikte müşteri…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 42 contacts → | ||||
Exact match “Firmamız Dünya çapında fazla memnun müşterisi ve 26 yıllık deneyimi ile, SEEBURGER'IN Türkiye'deki operasyonlarını yürütmektedir.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 37 contacts → | ||||
Exact match “2013 yılında kurulduğumuz günden bu yana, dijital dönüşümün öncüsü olma hedefiyle faaliyet göstermekteyiz.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 37 contacts → | ||||
Exact match “TECHBROS was established in 2019 with the aim of delivering precise and efficient solutions to cater to the requirements of businesses.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 36 contacts → | ||||
Exact match “LN was established in 1993 in Ankara/Turkey to operate in the field of Information Technologies (IT).” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 34 contacts → | ||||
Exact match “ANKASOFT, a software and technology consulting and services business, works with worldwide enterprises to create, administer, manage, and protect multi-cloud applications.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 30 contacts → | ||||
Exact match “ELSA BİLİŞİM A.Ş.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 30 contacts → | ||||
Exact match “Nabusoft Digital Solutions is a digital engineering and architecture company focused on building scalable, AI-driven and enterprise-grade software solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 28 contacts → | ||||
Exact match “Open Source and Enterprise: Integrated IT Innovations Providing modern, integrated, open source and enterprise solutions and services for mid-to-large scale companies.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “Promet, kamu ve özel sektör kurumlarına entegre yazılım, sistem mühendisliği ve dijital altyapı çözümleri sunan bir teknoloji şirketidir.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 26 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 25 contacts → | ||||
Exact match “2008 yılında bilgi teknolojileri dünyasındaki yolculuğumuza KOBİ ve kurumsal firmalara entegrasyon hizmetleri sunmak amacıyla başladık.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 23 contacts → | ||||
Exact match “MASTERTECH, sürekli değişen ve gelişen piyasalarda müşterilerinin zorlu rekabet ortamlarında fark yaratabilmeleri için gerçek ihtiyaca uygun teknolojileri belirler, zaman ve…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 23 contacts → | ||||
Exact match “Arya-IT | Think Bigger!” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 22 contacts → | ||||
Exact match “MONOTİS olarak, 10 yılı aşkın sektör deneyimimizle kurumsal iş uygulamalarında en etkili çözümleri sunmaktayız.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 21 contacts → | ||||
Exact match “NEX TECHNOLOGY is leader system integrator in IT Infrastructure and related services for private and public sector organizations.” 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 “legacy system integration firms”. 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 260 legacy system integration firms based in Türkiye
See the full list, filter by size, metro and specialty, and access 1,328 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Legacy system integration firms based in Türkiye at a glance
As of Nov 6, 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 260 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 “legacy system integration firms” 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 1,328 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.
Legacy system integration firms 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 “legacy system integration firms”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many legacy system integration firms are there based in Türkiye?
RevenueBase identified 260 company matches for legacy system integration firms 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?
Koçsistem tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which city has the most legacy system integration firms?
Istanbul leads with 76 company records, followed by Ankara (26) and Atasehir (13).
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 1,328 professional contacts with verified work emails tracked across these 260 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.
Ready to reach these companies? Verified emails and direct dials for all 260 legacy system integration firms based in Türkiye. Start with a free account, no credit card.
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Legacy system integration firms by geography
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- Legacy system integration firms based in Montreal, Canada
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- Legacy system integration firms based in Santiago, Chile
- Legacy system integration firms based in Cairo, Egypt
- Legacy system integration firms based in Paris, France
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.
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Company intelligence · public preview
Top 25 legacy system integration firms based in Türkiye
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 260 matching company records for legacy system integration firms based in Türkiye, with 4,604 tracked contacts and 1,328 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 legacy system integration firms based in Türkiye
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  Koçsistemkocsistem.com.trHQ: Istanbul, TürkiyeReported employees: 501-1,000 | Istanbul, Türkiye | 501-1,000 | Exact match | 1,573 contacts → |
“KoçSistem is the leader in information technologies pioneering the sector since 1945, serving both in Turkey and in more than 30 countries from Azerbaijan to Saudi Arabia, from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  BTC Bilişim Hizmetleribtc-ag.com.trHQ: İçerenköy, TürkiyeReported employees: 201-500 | İçerenköy, Türkiye | 201-500 | Exact match | 404 contacts → |
“1995’te Eresoft adıyla kurulan ve 1997’de SAP’nin Türkiye’deki ilk yerel iş ortağı olan şirketimiz, 2005 yılında 10 farklı ülkede faaliyet gösteren BTC Group bünyesine katılarak…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  PIA People In Actionpia-team.comHQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 268 contacts → |
“Welcome to PiA, where we put People in Action to accelerate our client’s technology innovation cycles and help them addressing hyper-competition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Sentim Bilişim Teknolojileri San. VE Tic. A.Şkuralkan.com.trHQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 160 contacts → |
“Sentim Information Technologies is one of the leading companies that introduced the computer technologies in Turkey and pioneered the development and spread of the same in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  BISbiscozum.com.trHQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 123 contacts → |
“Founded in 1994, BIS is a leading technology and service provider delivering packaged application solutions as well as custom software development, frameworks, integration…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  Infera Teknolojiinferatech.com.trHQ: Ankara, TürkiyeReported employees: 51-200 | Ankara, Türkiye | 51-200 | Exact match | 87 contacts → |
“Sistem Entegrasyon | Yazılım Geliştirme | Veri Merkezi Çözümleri | IT Güvenlik Çözümleri | Danışmanlık Servisleri” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Vmind Bilgi Teknolojilerivmind.com.trHQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 69 contacts → |
“vMind, offering systems integration and technology services with advanced degrees of expertise in national and international market, also with innovative and effective solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Sade Yazılım VE Danışmanlıksade.aiHQ: Maltepe, TürkiyeReported employees: 51-200 | Maltepe, Türkiye | 51-200 | Exact match | 60 contacts → |
“Our team is specialized in enterprise application development, data quality, analytics and data integration.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  BTE Bi̇lgi̇sayarbte.com.trHQ: İzmi̇r, TürkiyeReported employees: 11-50 | İzmi̇r, Türkiye | 11-50 | Exact match | 42 contacts → |
“BTE Bilgisayar (Bilgi Teknolojileri Eğitim ve Danışmanlık) 2009 yılında sistem entegratör kimliğiyle IT sektörüne giriş yapmıştır.Profesyonel güçlü kadrosuyla birlikte müşteri…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Mebitechmebitech.com.trHQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 42 contacts → |
“Firmamız Dünya çapında fazla memnun müşterisi ve 26 yıllık deneyimi ile, SEEBURGER'IN Türkiye'deki operasyonlarını yürütmektedir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Uyumsoft Kurumsal İŞ Sistemleriuyum.com.trHQ: Esenler, TürkiyeReported employees: 201-500 | Esenler, Türkiye | 201-500 | Exact match | 37 contacts → |
“2013 yılında kurulduğumuz günden bu yana, dijital dönüşümün öncüsü olma hedefiyle faaliyet göstermekteyiz.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Techbrostechbros.com.trHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 37 contacts → |
“TECHBROS was established in 2019 with the aim of delivering precise and efficient solutions to cater to the requirements of businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Ankara, TürkiyeReported employees: 51-200 | Ankara, Türkiye | 51-200 | Exact match | 36 contacts → |
“LN was established in 1993 in Ankara/Turkey to operate in the field of Information Technologies (IT).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Ankasoftankasoft.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 34 contacts → |
“ANKASOFT, a software and technology consulting and services business, works with worldwide enterprises to create, administer, manage, and protect multi-cloud applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Elsa Bilişimelsabilisim.com HQ: TürkiyeReported employees: 51-200 | Türkiye | 51-200 | Exact match | 30 contacts → |
“ELSA BİLİŞİM A.Ş.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Nabusoft Digital Solutionsnabusoft.comHQ: Şişli, TürkiyeReported employees: 11-50 | Şişli, Türkiye | 11-50 | Exact match | 30 contacts → |
“Nabusoft Digital Solutions is a digital engineering and architecture company focused on building scalable, AI-driven and enterprise-grade software solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Volthreadvolthread.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 28 contacts → |
“Open Source and Enterprise: Integrated IT Innovations Providing modern, integrated, open source and enterprise solutions and services for mid-to-large scale companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Promet Bilgi Sistemleri A.Şprometbilisim.comHQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 26 contacts → |
“Promet, kamu ve özel sektör kurumlarına entegre yazılım, sistem mühendisliği ve dijital altyapı çözümleri sunan bir teknoloji şirketidir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Umraniye, TürkiyeReported employees: 51-200 | Umraniye, Türkiye | 51-200 | Exact match | 26 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 |  Cozumtek Information Technologiescozumtek.comHQ: Ataşehir, TürkiyeReported employees: 11-50 | Ataşehir, Türkiye | 11-50 | Exact match | 25 contacts → |
“2008 yılında bilgi teknolojileri dünyasındaki yolculuğumuza KOBİ ve kurumsal firmalara entegrasyon hizmetleri sunmak amacıyla başladık.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Mastertech Bilişim Teknolojilerimastertechbt.comHQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 23 contacts → |
“MASTERTECH, sürekli değişen ve gelişen piyasalarda müşterilerinin zorlu rekabet ortamlarında fark yaratabilmeleri için gerçek ihtiyaca uygun teknolojileri belirler, zaman ve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Arya-Itarya-it.comHQ: Üsküdar, TürkiyeReported employees: 51-200 | Üsküdar, Türkiye | 51-200 | Exact match | 23 contacts → |
“Arya-IT | Think Bigger!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Csit Bilişim A.Şcsit.com.trHQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 |  Monotis Digital Innovationmonotis.comHQ: İzmir, TürkiyeReported employees: 11-50 | İzmir, Türkiye | 11-50 | Exact match | 22 contacts → |
“MONOTİS olarak, 10 yılı aşkın sektör deneyimimizle kurumsal iş uygulamalarında en etkili çözümleri sunmaktayız.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  NEX Teknolojinexteknoloji.comHQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 21 contacts → |
“NEX TECHNOLOGY is leader system integrator in IT Infrastructure and related services for private and public sector organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 260 company matches
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Legacy system integration firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
260 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 260 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Legacy system integration firms by metro
Questions about this company list
What does Exact match mean for legacy system integration firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many legacy system integration firms did RevenueBase find based in Türkiye?
The saved snapshot records 260 matching company records, 4,604 tracked contacts and 1,328 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Legacy system integration firms by geography
- Legacy system integration firms based in Buenos Aires, Argentina
- Legacy system integration firms based in Melbourne, Australia
- Legacy system integration firms based in Sydney, Australia
- Legacy system integration firms based in Dhaka, Bangladesh
- Legacy system integration firms based in Rio De Janeiro, Brazil
- Legacy system integration firms based in Sao Paulo, Brazil
- Legacy system integration firms based in Calgary, Canada
- Legacy system integration firms based in Montreal, Canada
- Legacy system integration firms based in Toronto, Canada
- Legacy system integration firms based in Santiago, Chile
- Legacy system integration firms based in Cairo, Egypt
- Legacy system integration firms based in Paris, France
Cite this list
RevenueBase Data Team. Top 25 legacy system integration firms based in Türkiye. Snapshot: November 6, 2026. https://revenuebase.ai/companies/legacy-system-integration-firms/turkiye.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Legacy system integration firms based in Buenos Aires, Argentina
- Legacy system integration firms based in Melbourne, Australia
- Legacy system integration firms based in Sydney, Australia
- Legacy system integration firms based in Dhaka, Bangladesh
- Legacy system integration firms based in Rio De Janeiro, Brazil
- Legacy system integration firms based in Sao Paulo, Brazil
Company intelligence · public preview
Top 25 legacy system integration firms based in Türkiye
RevenueBase records 260 matching company records for legacy system integration firms based in Türkiye, with 4,604 tracked contacts and 1,328 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: November 6, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 legacy system integration firms based in Türkiye
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | Koçsistemkocsistem.com.tr HQ: Istanbul, TürkiyeReported employees: 501-1,000 | Istanbul, Türkiye | 501-1,000 | Exact match | 1,573 contacts → |
“KoçSistem is the leader in information technologies pioneering the sector since 1945, serving both in Turkey and in more than 30 countries from Azerbaijan to Saudi Arabia, from…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | BTC Bilişim Hizmetleribtc-ag.com.tr HQ: İçerenköy, TürkiyeReported employees: 201-500 | İçerenköy, Türkiye | 201-500 | Exact match | 404 contacts → |
“1995’te Eresoft adıyla kurulan ve 1997’de SAP’nin Türkiye’deki ilk yerel iş ortağı olan şirketimiz, 2005 yılında 10 farklı ülkede faaliyet gösteren BTC Group bünyesine katılarak…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | PIA People In Actionpia-team.com HQ: Istanbul, TürkiyeReported employees: 201-500 | Istanbul, Türkiye | 201-500 | Exact match | 268 contacts → |
“Welcome to PiA, where we put People in Action to accelerate our client’s technology innovation cycles and help them addressing hyper-competition.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Sentim Bilişim Teknolojileri San. VE Tic. A.Şkuralkan.com.tr HQ: İstanbul, TürkiyeReported employees: 51-200 | İstanbul, Türkiye | 51-200 | Exact match | 160 contacts → |
“Sentim Information Technologies is one of the leading companies that introduced the computer technologies in Turkey and pioneered the development and spread of the same in the…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | BISbiscozum.com.tr HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 123 contacts → |
“Founded in 1994, BIS is a leading technology and service provider delivering packaged application solutions as well as custom software development, frameworks, integration…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | Infera Teknolojiinferatech.com.tr HQ: Ankara, TürkiyeReported employees: 51-200 | Ankara, Türkiye | 51-200 | Exact match | 87 contacts → |
“Sistem Entegrasyon | Yazılım Geliştirme | Veri Merkezi Çözümleri | IT Güvenlik Çözümleri | Danışmanlık Servisleri” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Vmind Bilgi Teknolojilerivmind.com.tr HQ: Istanbul, TürkiyeReported employees: 51-200 | Istanbul, Türkiye | 51-200 | Exact match | 69 contacts → |
“vMind, offering systems integration and technology services with advanced degrees of expertise in national and international market, also with innovative and effective solutions…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Sade Yazılım VE Danışmanlıksade.ai HQ: Maltepe, TürkiyeReported employees: 51-200 | Maltepe, Türkiye | 51-200 | Exact match | 60 contacts → |
“Our team is specialized in enterprise application development, data quality, analytics and data integration.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | BTE Bi̇lgi̇sayarbte.com.tr HQ: İzmi̇r, TürkiyeReported employees: 11-50 | İzmi̇r, Türkiye | 11-50 | Exact match | 42 contacts → |
“BTE Bilgisayar (Bilgi Teknolojileri Eğitim ve Danışmanlık) 2009 yılında sistem entegratör kimliğiyle IT sektörüne giriş yapmıştır.Profesyonel güçlü kadrosuyla birlikte müşteri…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Mebitechmebitech.com.tr HQ: İstanbul, TürkiyeReported employees: 501-1,000 | İstanbul, Türkiye | 501-1,000 | Exact match | 42 contacts → |
“Firmamız Dünya çapında fazla memnun müşterisi ve 26 yıllık deneyimi ile, SEEBURGER'IN Türkiye'deki operasyonlarını yürütmektedir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Uyumsoft Kurumsal İŞ Sistemleriuyum.com.tr HQ: Esenler, TürkiyeReported employees: 201-500 | Esenler, Türkiye | 201-500 | Exact match | 37 contacts → |
“2013 yılında kurulduğumuz günden bu yana, dijital dönüşümün öncüsü olma hedefiyle faaliyet göstermekteyiz.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Techbrostechbros.com.tr HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 37 contacts → |
“TECHBROS was established in 2019 with the aim of delivering precise and efficient solutions to cater to the requirements of businesses.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Ankara, TürkiyeReported employees: 51-200 | Ankara, Türkiye | 51-200 | Exact match | 36 contacts → |
“LN was established in 1993 in Ankara/Turkey to operate in the field of Information Technologies (IT).” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Ankasoftankasoft.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 34 contacts → |
“ANKASOFT, a software and technology consulting and services business, works with worldwide enterprises to create, administer, manage, and protect multi-cloud applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Elsa Bilişimelsabilisim.com HQ: TürkiyeReported employees: 51-200 | Türkiye | 51-200 | Exact match | 30 contacts → |
“ELSA BİLİŞİM A.Ş.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Nabusoft Digital Solutionsnabusoft.com HQ: Şişli, TürkiyeReported employees: 11-50 | Şişli, Türkiye | 11-50 | Exact match | 30 contacts → |
“Nabusoft Digital Solutions is a digital engineering and architecture company focused on building scalable, AI-driven and enterprise-grade software solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Volthreadvolthread.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 28 contacts → |
“Open Source and Enterprise: Integrated IT Innovations Providing modern, integrated, open source and enterprise solutions and services for mid-to-large scale companies.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Promet Bilgi Sistemleri A.Şprometbilisim.com HQ: Ankara, TürkiyeReported employees: 201-500 | Ankara, Türkiye | 201-500 | Exact match | 26 contacts → |
“Promet, kamu ve özel sektör kurumlarına entegre yazılım, sistem mühendisliği ve dijital altyapı çözümleri sunan bir teknoloji şirketidir.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Umraniye, TürkiyeReported employees: 51-200 | Umraniye, Türkiye | 51-200 | Exact match | 26 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 20 | Cozumtek Information Technologiescozumtek.com HQ: Ataşehir, TürkiyeReported employees: 11-50 | Ataşehir, Türkiye | 11-50 | Exact match | 25 contacts → |
“2008 yılında bilgi teknolojileri dünyasındaki yolculuğumuza KOBİ ve kurumsal firmalara entegrasyon hizmetleri sunmak amacıyla başladık.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Mastertech Bilişim Teknolojilerimastertechbt.com HQ: Istanbul, TürkiyeReported employees: 11-50 | Istanbul, Türkiye | 11-50 | Exact match | 23 contacts → |
“MASTERTECH, sürekli değişen ve gelişen piyasalarda müşterilerinin zorlu rekabet ortamlarında fark yaratabilmeleri için gerçek ihtiyaca uygun teknolojileri belirler, zaman ve…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Arya-Itarya-it.com HQ: Üsküdar, TürkiyeReported employees: 51-200 | Üsküdar, Türkiye | 51-200 | Exact match | 23 contacts → |
“Arya-IT | Think Bigger!” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Csit Bilişim A.Şcsit.com.tr HQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 24 | Monotis Digital Innovationmonotis.com HQ: İzmir, TürkiyeReported employees: 11-50 | İzmir, Türkiye | 11-50 | Exact match | 22 contacts → |
“MONOTİS olarak, 10 yılı aşkın sektör deneyimimizle kurumsal iş uygulamalarında en etkili çözümleri sunmaktayız.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | NEX Teknolojinexteknoloji.com HQ: Ankara, TürkiyeReported employees: 11-50 | Ankara, Türkiye | 11-50 | Exact match | 21 contacts → |
“NEX TECHNOLOGY is leader system integrator in IT Infrastructure and related services for private and public sector organizations.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 260 company matches
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Legacy system integration firms: dataset insights
November 6, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
260 records in the displayed employee bands.
0 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
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 260 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: November 6, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Legacy system integration firms by metro
Questions about this company list
What does Exact match mean for legacy system integration firms?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many legacy system integration firms did RevenueBase find based in Türkiye?
The saved snapshot records 260 matching company records, 4,604 tracked contacts and 1,328 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: November 6, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Legacy system integration firms by geography
- Legacy system integration firms based in Buenos Aires, Argentina
- Legacy system integration firms based in Melbourne, Australia
- Legacy system integration firms based in Sydney, Australia
- Legacy system integration firms based in Dhaka, Bangladesh
- Legacy system integration firms based in Rio De Janeiro, Brazil
- Legacy system integration firms based in Sao Paulo, Brazil
- Legacy system integration firms based in Calgary, Canada
- Legacy system integration firms based in Montreal, Canada
- Legacy system integration firms based in Toronto, Canada
- Legacy system integration firms based in Santiago, Chile
- Legacy system integration firms based in Cairo, Egypt
- Legacy system integration firms based in Paris, France
Cite this list
RevenueBase Data Team. Top 25 legacy system integration firms based in Türkiye. Snapshot: November 6, 2026. https://revenuebase.ai/companies/legacy-system-integration-firms/turkiye.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
- All company lists
- Lists by location
- Lists A-Z
- New lists
- Legacy system integration firms based in Buenos Aires, Argentina
- Legacy system integration firms based in Melbourne, Australia
- Legacy system integration firms based in Sydney, Australia
- Legacy system integration firms based in Dhaka, Bangladesh
- Legacy system integration firms based in Rio De Janeiro, Brazil
- Legacy system integration firms based in Sao Paulo, Brazil