Your trusted partner
in digital transformation.
We deliver innovative software and consulting solutions that help businesses grow by using technology as efficiently as possible.

10+ years of IT experience
Based in Istanbul; running projects across Turkey and abroad.
Stronger tomorrows
through technology.
DSA Bilişim was founded in 2026, building on its founder's more than 10 years of IT experience in healthcare, retail and corporate environments. We build custom software for businesses, strengthen their systems and infrastructure, and advise on artificial intelligence and digital visibility (SEO, GEO, AEO). Our goal is to make technology not just a tool, but the key to sustainable growth.
We are based in Istanbul. We run software, AI and consulting projects remotely across Turkey and internationally, and make planned on-site visits for infrastructure work — especially in Istanbul, Ankara and Izmir.
Client-Focused
In every project, your business needs come first.
Expert Team
We work with an experienced and passionate team.
Sustainable Growth
We turn technology into long-term success.
Founder
Aygün Gönlüşen
Founder & IT Consultant
Over more than 10 years in healthcare, retail and corporate settings, Aygün Gönlüşen has managed IT infrastructure and operations, system and network deployments, cyber security, backup and KVKK (Turkey's data protection law) compliance processes. DSA Bilişim was founded in 2026 to offer this experience to businesses as an end-to-end technology partnership. Aygün Gönlüşen writes the articles on our blog.
- IT infrastructure and operations
- Systems and networking
- Cyber security
- Virtualization
- Backup and disaster recovery
- KVKK (Turkish data protection) compliance
End-to-end technology solutions for businesses.
From custom software development and AI solutions to IT infrastructure, modernization and digital visibility, we cover all your technology needs under one roof.
Custom Software Development
We build scalable, sustainable web, mobile and desktop software solutions that fit your business processes precisely.
Web Design and Corporate Websites
Corporate websites that tell your brand's story clearly, load fast, stay secure and are visible in search – custom designed and coded instead of a stack of ready-made themes and plugins.
Systems & Infrastructure
We strengthen the foundation of your business with server setup, cloud solutions and secure network infrastructure.
Backup & Cyber Security
We keep your data safe and your business running without interruption, protecting your company against digital threats.
IT Consulting
The right strategy and roadmap for a more efficient, more powerful and more profitable technology infrastructure.
AI Solutions
We automate your business processes with artificial intelligence, helping you make smarter and faster decisions.
Modernization
We renew your existing systems with today's technologies, making them faster, more secure and more efficient.
SEO / GEO / AEO Optimization
We make your brand visible not only on Google but also in the answers that AI gives.
How we work.
We bring your projects to life with a transparent, planned and results-driven approach.
- 01
Needs Analysis
We analyze your business processes and pin down the real need.
- 02
Solution & Planning
We design a technical architecture and project plan tailored to you.
- 03
Build & Implement
We bring the solution to life with modern technologies.
- 04
Launch & Support
We take the project live and provide ongoing support when needed.
The principles that define us.
In every project we focus on trust, quality and long-term partnership.
Trust
Transparent communication, clear scope and delivery that keeps its promises.
Innovation
A team that keeps learning; modern, proven technologies.
Quality
Sustainable, tested and documented solutions.
Partnership
Not a vendor, but a long-term technology partner.
Do you have a project in mind?
Contact us for solutions tailored to your business needs.
