Company lists · Data refreshed September 2026
Top 25 Custom business software development companies based in Türkiye
RevenueBase identified 1,095 custom business software development companies headquartered in Türkiye as of September 2026 and tracks 10,193 professional contacts across them, including 2,072 with verified work emails. Istanbul is the largest hub.
This list covers custom business software development companies 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 21, 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 custom business software development companies based in Türkiye
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 1,570 contacts → | ||||
Indirect evidence “Türkiye’nin en büyük yerli iş yazılımı şirketi Logo Yazılım, kurulduğu 1984 yılından bu yana sektörün öncü şirketlerinden biri olarak faaliyetlerini sürdürüyor.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 2 | 533 contacts → | ||||
Indirect evidence “Uyumsoft olarak, Türkiye'nin lider yazılım firmaları arasında yer alıyor ve faaliyet gerçekleştiriyoruz.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 3 | 399 contacts → | ||||
Indirect evidence “ERP projelerinin işletmelerde başarısı için yazılımın kaliteli olması tek başına yeterli bir unsur değildir.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 4 | 246 contacts → | ||||
Indirect evidence “Founded by partners with more than 26 years of consultancy and management experience in the field of Information Technology, BIMSER continues to work with a total of nearly 300…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 5 | 179 contacts → | ||||
Indirect evidence “Founded in 1983, Yaşar Bilgi A.Ş.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 6 | 151 contacts → | ||||
Strong evidence “At Univera, we produce software that enables our customers to digitize in sales, logistics and service.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 7 | 139 contacts → | ||||
Indirect evidence “Mikrogrup bünyesindeki Zirve Yazılım, yılında şahıs firması olarak kurulmuş, 2002 yılında limited şirket, 2017 yılında anonim şirket statüsüne geçerek Zirve Bilgi Teknolojileri…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 8 | 132 contacts → | ||||
Indirect evidence “The owner of the brand “TechNarts”, Nart Informatics was established in 2007.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 9 | 102 contacts → | ||||
Indirect evidence “1975 yılında Sabancı Holding bünyesinde kurulan BİMSA, 40 yıllık deneyimi ile Türkiye’nin önde gelen bilgi teknolojisi şirketlerindendir.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 10 | 93 contacts → | ||||
Indirect evidence “Teknoloji ile rekabetçi şirket olma arasındaki hızla güçlenen bağlantı, işletmeleri gelişen teknolojiye ayak uydurma konusunda değişik konularda yatırımlara yöneltmektedir.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 11 | 92 contacts → | ||||
Indirect evidence “İdea Teknoloji Çözümleri, 2005 yılında, satış süreçlerinin daha etkin yönetimini sağlayacak yazılımlar geliştirmek amacıyla kuruldu.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 12 | 74 contacts → | ||||
Strong evidence “Smartiks was established in 2006 to provide effective business solutions, software development and consultancy with its expert staff by using the highest technology.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 13 | 73 contacts → | ||||
Indirect evidence “Logosoft olarak, yazılım teknolojileri alanındaki 30 yılı aşkın deneyimimizle işletmelerin dijital dönüşüm yolculuğunda güçlü bir çözüm ortağıyız.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 14 | 72 contacts → | ||||
Partial evidence “1Ci (1C International) is an international division of 1С, leading software developer in Eastern Europe that provides business digitization solutions to over 1 million companies.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 15 | 69 contacts → | ||||
Partial evidence “DMR Information Technology is a team of professionals with the experience and know-how to handle the most challenging business software problems.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 16 | 69 contacts → | ||||
Indirect evidence “1984 yılında yüzde 100 Türk sermayeli olarak kurulan şirketimiz, işletmelerin satış, pazarlama, satın alma, stok yönetimi, depo mağaza yönetimi, cari hesap, finans, üretim, bütçe…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 17 | 67 contacts → | ||||
Indirect evidence “Uzman CRM, kurumların ihtiyaçları doğrultusunda Müşteri İlişkileri Yönetimi ve Sektörel Çözümler üreten yenilikçi bir teknoloji firmasıdır.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 18 | 51 contacts → | ||||
Indirect evidence “Kalem Yazılım 1989’dan bu güne kamu, perakende ve lojistik sektörüne yönelik ERP çözümleri üretmiş ve bu sektörlerde iki binin üzerinde projeyi hayata geçirmiştir.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 19 | 49 contacts → | ||||
Indirect evidence “DEV for your Business” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 20 | 47 contacts → | ||||
Indirect evidence “Müşterilerine operasyonlarını kolay ve verimli bir şekilde yürütmelerini sağlayacak çözümler ve bu çözümlerin devamlılığını garantileyen hizmetler sunmak için kurulmuş bir yazılım…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 21 | 46 contacts → | ||||
Partial evidence “Founded with a young and dynamic staff specialized in the software industry, Dataliva Bilişim Hizmetleri A.Ş.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 22 | 43 contacts → | ||||
Indirect evidence “NextLua is a technology company, based in Turkey and founded by a team of experienced developers.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 23 | 43 contacts → | ||||
Indirect evidence “Mikromax Mühendislik, ERP ekosistemleriyle entegre çalışan modüler yazılım çözümleri geliştiren bir teknoloji firmasıdır.” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 24 | 40 contacts → | ||||
Indirect evidence “Solvera olarak, yenilik ve değişimi kendisine kılavuz edinen uzman ve tecrübeli ekibimizle, akılcı ve pratik çözümler sunan sistemler geliştirerek; müşterilerimize ihtiyaçlarını…” Source: RevenueBase Database · checked Sep 21, 2026Thanks. The Data Team will review it. | |||||
| 25 | 34 contacts → | ||||
Strong evidence “SİSTEK has established since 1992 and we are specialized to design and develop customized and packaged software solutions in industrial and commercial areas.” Source: RevenueBase Database · checked Sep 21, 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: custom business software development companies. 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 custom business software development companies.
- Partial evidence
- Its own public description names part of custom business software development companies, so it works in or next to the category without describing itself that way.
- Indirect evidence
- The description shown does not name custom business software development companies. 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 1,095 custom business software development companies based in Türkiye
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Custom business software development companies based in Türkiye at a glance
As of Sep 21, 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 1,095 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 custom business software development companies, 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 “custom business software development companies”. 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 custom business software development companies), 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 custom business software development companies, 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, 2,072 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 21, 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.
Custom business software development companies by metro
- Custom business software development companies in Istanbul318
- Custom business software development companies in Ankara68
- Custom business software development companies in Izmir64
- Custom business software development companies in Bursa44
- Custom business software development companies in Atasehir26
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 custom business software development companies, 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 custom business software development companies are there based in Türkiye?
RevenueBase identified 1,095 custom business software development companies 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?
Logo Yazılım, headquartered in Türkiye, tops this list with the largest team on record.
Which city has the most custom business software development companies?
Istanbul leads with 318 headquartered companies, followed by Ankara (68) and Izmir (64).
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 2,072 verified decision-maker contacts tracked across these 1,095 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 21, 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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