About Us

Founded in Istanbul in 2009/2010, GNST Group LTD. STI. (Bayir Grup) specializes in the construction sector and the import/export of building materials. Driven by an ambitious growth strategy, the company has expanded its services to include maritime transport, shipping agency operations, and the export of various construction products—always focusing on quality and innovation.

A ramp along a curved wall in the Kiasma Museu, Helsinki, Finland

Guided by a commitment to quality, innovation, and steady growth, Bayir Grup has built an expansive network of trusted partners both locally and across the globe.

We believe that success is best achieved through collaboration, innovation, and unwavering dedication to quality.

Bayir Grup is committed to fostering long-term partnerships, both locally and internationally. We employ effective inventory management and distribution strategies to swiftly meet the evolving needs of the construction industry, ensuring that customer expectations are consistently surpassed. By integrating quality, excellence, innovation, and reliability into all operations, we have established a solid reputation for delivering top-tier products and services.

We continuously adopt the latest global standards in both implementation and logistics management, guided by our ISO 9001 quality certification. Our ongoing development initiatives aim for further certifications under ISO 14001 (environmental management) and ISO 45001 (occupational health and safety). At BAYIR GRUP, we believe in sustainability and social responsibility, striving to minimize environmental impact and support community growth. Through cutting-edge solutions, international cooperation, and a wide-ranging product portfolio, we are dedicated to leading the future of the construction and logistics sectors.

White abstract geometric artwork from Dresden, Germany

Our Mission & Vision

Our core mission is to drive progress in the construction and logistics industries by delivering superior-quality products and services. We envision a world where modern infrastructure and responsible resource management go hand in hand, ensuring the long-term success of communities and businesses everywhere.

By remaining agile and forward-thinking, we aim to help shape a future in which sustainable development and economic growth are mutually reinforcing.

Meet our team

Our comprehensive suite of professionals caters to a diverse team, ranging from seasoned architects to renowned engineers.

Francesca Piovani

Founder, CEO & Architect

Rhye Moore

Engineering Manager

Helga Steiner

Architect

Ivan Lawrence

Project Manager

We’ve worked with some of the best companies.

Core Values

  • Quality & Excellence: From sourcing building materials to executing logistics, we apply rigorous standards to maintain top-tier quality in every process.
  • Innovation & Continuous Improvement: We embrace new technologies and methodologies, refining our systems and approaches to stay ahead in rapidly evolving global markets.
  • Reliability & Transparency: We foster enduring partnerships by keeping clear, honest communication channels, delivering on our promises, and respecting timelines.
  • Sustainability & Responsibility: Our operational strategies minimize environmental impact, and we invest in community-focused initiatives to support social growth.
White abstract geometric artwork from Dresden, Germany