High-Performance PostgreSQL Servers
With PostgreSQL expertise dating back to 1998, we provide consulting to dozens of organizations across Türkiye and around the world. We also offer PostgreSQL training, Red Hat consulting, and Linux training at every level.
What We Do
PostgreSQL Trainings
Example-driven PostgreSQL training that can be customized to your organization's needs.
Installation Consulting
PostgreSQL servers configured the right way from day one.
Performance Consulting
Everything needed for PostgreSQL to perform at its best.
Health Check (AHC)
A focused 3-day engagement that finds, analyzes and resolves issues on your PostgreSQL servers.
HA Cluster Consulting
Choosing and implementing the right high-availability solution for PostgreSQL.
Türkiye's PostgreSQL Specialist
Gündüz Bilişim Danışmanlığı was the first -- and remains the only -- company in Türkiye dedicated solely to PostgreSQL consulting. Founder Devrim Gündüz is a major PostgreSQL contributor, a Fedora packager, and maintainer of the PostgreSQL RPM repository.
More About Us
Working with PostgreSQL since 1998.
Frequently Asked Questions
Who is Gündüz Bilişim Danışmanlığı?
Gündüz Bilişim Danışmanlığı, founded in Istanbul in 2011, is Türkiye's first -- and only -- company dedicated solely to PostgreSQL consulting. Founder Devrim Gündüz has worked with PostgreSQL since 1998 and is a major contributor to the PostgreSQL community.
What services do you offer?
PostgreSQL consulting (installation, performance, HA clustering, health checks), Oracle and SQL Server to PostgreSQL migration, PostgreSQL/Linux/PostGIS training, and Red Hat Enterprise Linux consulting.
Is training available in English?
Yes -- our trainings are fully documented in Turkish and can also be delivered in English on request.
What areas do you serve?
We serve organizations across Türkiye and have delivered consulting and training to dozens of organizations in nearly 20 countries on 4 continents.
Who is your founder?
Company founder Devrim Gündüz is a major PostgreSQL contributor, a Fedora packager, and maintainer of the PostgreSQL RPM repository.