These Turkish companies primarily operate in technology, telecommunications, and IT services, with a notable presence of large groups. Trendyol Group is an e-commerce company, Turkcell Global Bilgi provides customer experience solutions, and AssisTT offers specialized communication services. Kariyer.net is an online employment platform, while Mplus Türkiye is an outsourcing provider, and Turkish Technology focuses on aviation industry solutions.
The data shows a concentration of companies in Istanbul, which serves as the headquarters for many of these large technology and telecommunications firms. Several companies, such as Kariyer.net, Mplus Türkiye, and AssisTT, were founded around the turn of the millennium, indicating a period of significant growth in these sectors.
| # | Company | Employees | |||
|---|---|---|---|---|---|
| 1 |
Trendyol Grouptrendyol.com
A highly successful e-commerce company backed by multiple investors, delivering millions of packages daily across 27 countries with a strong focus on technology and innovation |
11,722 | |||
| 2 |
Turkcell Global Bilgiglobalbilgi.com.tr
A leading provider of customer experience solutions across various sectors with expertise in customer service, sales, technical support, and data management |
7,535 | |||
| 3 |
AssisTTassistt.com.tr
Established in November 2007 as a subsidiary of Türk Telekom, the company offers specialized solutions in communication center, digital services, technology, customer experience, and quality management With nearly 18,000 employees nationwide, it aims to provide unique experiences by leveraging its 15 years of experience and sector-specific technological solutions |
4,218 | |||
| 4 |
Kariyer.netkariyer.net
A leading online employment platform in Turkey connecting job seekers and employers through innovative technologies Over 28 million resumes available Serving nationwide with 400+ employees |
3,014 | |||
| 5 |
Mplus Türkiyemplusgroup.eu
Leading outsourcing provider offering CRM and AI-based solutions in 33 languages across Turkey and Europe, with a focus on customer management and satisfaction |
2,650 | |||
| 6 |
Turkish Technologyturkishtechnology.com
An innovative and agile technology organization in the aviation industry, focused on driving customer experience through cutting-edge solutions and services |
2,586 | |||
| 7 |
Softtechsofttech.com.tr
A technology innovator with a focus on creating products that enhance quality of life, fostering in-house entrepreneurship, and supporting startups |
2,375 | |||
| 8 |
TÜBİTAK BİLGEMen.bilgem.tubitak.gov.tr
A national R&D center specializing in information security, advanced electronics, and IT technologies through strategic partnerships, developing high-value technologies and products for competitiveness |
2,230 | |||
| 9 |
NTT DATA Business Solutions Turkeynttdata-solutions.com
NTT DATA Business Solutions provides technology services worldwide, specializing in digital transformation, innovation, and developing solutions in collaboration with industry leaders |
2,227 | |||
| 10 |
UP Schoolupschool.io
A tech education company empowers women and minorities with technical skills, collaboration strategies, and career placement services for success in the industry |
1,949 | |||
| 11 |
Intertech Information Technology and Marketing Inc.intertech.com.tr
Established in 1987, this tech company provides innovative IT solutions for finance and banking industries globally, offering a wide range of products and services |
1,895 | |||
| 12 |
Logo Yazılımlogo.com.tr
Leading provider of business software solutions supporting sustainable success of businesses across various industries, offering a wide range of products and services globally with a focus on digital transformation |
1,801 | |||
| 13 | 1,570 | ||||
| 14 |
Insider Oneinsiderone.com
Enterprise marketing platform enabling personalized, AI-driven customer experiences across channels like Web, App, Email, SMS, and Messaging Apps for global brands |
1,546 | |||
| 15 |
Tam Finanstamfinans.com.tr
An innovative factoring business in İstanbul, utilizing AI software for decision-making, with a focus on SMEs and a strong emphasis on digital transformation and R&D |
1,080 | |||
| 16 | 958 | ||||
| 17 |
Pusula CXpusulacx.com.tr
The company focuses on creating value through customer and employee satisfaction while investing in technology, human resources, and innovative business models |
896 | |||
| 18 |
Solmazsolmaz.com
A leading logistics service provider offering customs consultancy, international transportation, supply chain management, express courier, and insurance services with over 1,200 expert staff nationwide |
891 | |||
| 19 |
Kunduzkunduz.com
Global ed-tech startup democratizing test prep and learning Mobile platform connects students with tutors and AI technology for answers Expanding internationally with Silicon Valley backing |
838 | |||
| 20 | 702 | ||||
| 21 |
Doğuş Teknolojid-teknoloji.com.tr
A technology company providing customized solutions in various sectors, specializing in RPA, data analytics, AI, cybersecurity, and sustainable practices with a focus on innovation and talent development |
667 | |||
| 22 |
ATPatptech.com
A global IT solutions provider specializing in trading software, restaurant management, digital transformation, sustainable energy products, venture capital, and technology investments |
580 | |||
| 23 |
TÜBİTAK BİLGEMgov.tr
Advanced research center specializing in informatics and information security, dedicated to enhancing knowledge and innovation in the field |
554 | |||
| 24 |
Commenciscommencis.com
A company specializing in experience design, software engineering, and cloud technologies, enabling enterprises to build digital experiences and strengthen customer relationships globally |
542 | |||
| 25 |
AKGÜNakgun.com.tr
A technology-focused organization offering solutions in healthcare, telecommunications, education, and defense sectors, with expertise in software development, system integration, and information security technologies |
519 | |||
Want more companies than this list?This page shows the largest ones only. Connect to Tamtam to see every company that matches, filter by size, industry or growth, and reach their decision-makers. | |||||
| 26 |
fiyuufiyuu.com.tr
A digital delivery platform with over 5,000 couriers in multiple cities nationwide, providing efficient, reliable, and flexible corporate courier services with advanced technology |
513 | |||
| 27 |
GTechgtech.com.tr
A pioneering technology enterprise specializing in digital transformation for the financial sector, offering advanced software solutions, banking products, and data management services |
512 | |||
| 28 |
Testiniumtestinium.com
Innovative team providing software consulting, test outsourcing, and training services with expertise in various testing approaches and frameworks |
492 | |||
| 29 |
iyzicoiyzico.com
online payment services using artificial intelligence, simplifying complex processes for businesses and consumers, with a focus on security and innovation |
475 | |||
| 30 |
EchoCCSechoccs.com
Provides call center and business process outsourcing services, advanced trainings, setup, cloud design, evaluation, and strategic planning for various brands. |
457 | |||
| 31 |
YKMenterbird.com
Leading retail department store in Turkey with a wide range of products, innovative services, and a strong presence nationwide through owned and franchise stores |
453 | |||
| 32 |
Dgpaysdgpays.com
Innovative technology solutions provider offering a wide range of payment processing, enterprise banking tech, digital fintech platforms, and operational services to diverse clients |
453 | |||
| 33 |
PCXprocat.com.tr
A leading provider of contact center transformation and benchmarking services, offering advanced technologies and BPO services in various industries |
412 | |||
| 34 |
Asis Elektronik ve Bilişim Sistemleri A.Ş.asiselektronik.com.tr
A technology company specializing in smart city and fintech solutions, leading in Turkey and globally with innovative hardware and software products |
393 | |||
| 35 | 369 | ||||
| 36 |
CPM YAZILIMcpm.com.tr
Specializing in ERP software solutions, we provide consultancy services to ensure the success of projects, managing them with experienced teams since 1989 |
367 | |||
| 37 |
Teknasyonteknasyon.com
A tech innovator creating mobile apps, investing in startups, and providing solutions like Rockads, VerifyKit, Desk360, and Zotlo for global businesses |
362 | |||
| 38 |
Beta Enerjibetaenerji.com
Provider of innovative and reliable energy solutions specializing in Electric-Electromechanical sector with a focus on transformers, R&D, international standards, and global exports |
357 | |||
| 39 |
emlakjet.comemlakjet.com
A leading online property portal connecting real estate agents and customers, focused on providing high-quality service and innovation in the industry |
354 | |||
| 40 |
İşNetisnet.net.tr
Aiming to be a leader in digital transformation, the business offers services such as robotic process automation, IoT, cyber security, and artificial intelligence |
347 | |||
| 41 |
KoçDigitalkocdigital.com
Specializing in digital transformation, KoçDigital partners with clients to solve complex challenges using Advanced Analytics and IoT solutions, along with providing comprehensive training programs |
224 | |||
| 42 |
ParamTECHparamtech.com.tr
Specializing in fintech, the technology team offers infrastructure services in various areas including digital wallets, AI, fraud prevention, and credit systems |
209 | |||
| 43 | 205 | ||||
| 44 |
Carettacaretta.net
A software company offering custom development, IT consultancy, and outsourcing services, specializing in solutions for the pharmaceutical sector, with global quality standards |
186 | |||
| 45 |
Experteamexperteam.com.tr
It provides business applications and IT services, maintaining high standards of customer satisfaction and offering certified maintenance through its service center. |
186 | |||
| 46 |
DoktorTakvimidoktortakvimi.com
Top online portal in Turkey for booking medical appointments, connecting 2 million patients with 181,000 healthcare professionals Operating in 25 countries |
182 | |||
| 47 |
MDP Groupmdpgroup.com
A provider of SAP consulting and development services, specializing in digital transformation, e-Transformation, web/mobile app development, and ongoing R&D in FinTech and data analytics |
149 | |||
| 48 |
Massive Biomassivebio.com
Facilitates expert oncology knowledge sharing and virtual tumor boards to provide personalized, affordable cancer treatment options at point of care. |
100 | |||
| 49 |
smartPulse Globalsmartpulse.io
Revolutionizing energy planning with algorithmic trading and machine learning, smartPulse develops software solutions and IoT infrastructure for efficient energy management |
73 | |||
| 50 | 42 | ||||
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How this list is built
Every company on this list has a Tamtam company profile. The industry is the one the company gives on LinkedIn; categories such as SaaS or fintech are classified by Tamtam's AI from the company's website and LinkedIn page; and the headquarters city must match the company's own address. Companies are ranked by the number of employees on LinkedIn, and the list is refreshed every night. Classifications can be wrong, so treat the list as a starting point rather than an official ranking. Last updated Nov 12, 2026.
More company lists in Turkey
- The largest companies in Turkey 3,556
- Multinational companies in Turkey 790
- Manufacturers in Turkey 762
- Companies with in-house R&D in Turkey 512
- Retail chains in Turkey 376
- Companies with a mobile app in Turkey 312
- Corporate groups and holding companies in Turkey 304
- Critical infrastructure operators in Turkey 282
- Public sector organisations in Turkey 227
- Hardware manufacturers in Turkey 224
- Energy companies in Turkey 197
- Food and beverage companies in Turkey 197
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- E-commerce companies in Turkey 172
- Higher Education companies in Turkey 158
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- Publicly traded companies in Turkey 131
- Construction companies in Turkey 129
- Automotive manufacturers and suppliers in Turkey 128