Giannoulis Holding
Company Profile
Giannoulis Holding GmbH is a strategically positioned, owner-managed corporate group. It consolidates entrepreneurial responsibility, establishes clear structures, and supports the sustainable development of specialized subsidiaries.
Our focus lies on long-term orientation, structured governance, and the targeted development of existing and new business areas.
Positioning
We consolidate responsibility, establish clear structures, and support the sustainable development of specialized subsidiaries; with a focus on quality, transparency, and execution strength.

Strategic center of the group. Clearly governed. Operationally independent.


Direct entry points to the holding.
Access structure, profile, and subsidiaries directly: clearly organized and easy to navigate.
Clearly led. Transparently coordinated. Operationally independent.
The holding defines the framework, the subsidiaries deliver execution. This ensures clear responsibilities, fast decisions, and long-term scalability.
Governance & Direction
We define group-wide structures, standards, and target models to ensure consistency and scalability.
Coordination & Transparency
Central oversight creates clarity in responsibilities and enables seamless collaboration.
Operational Independence
Subsidiaries act with focused expertise in their markets within a shared strategic framework.
Profile of the Corporate Group
Strategic center of the group: structured governance, clear responsibilities, and scalable development.
Role of the Holding
Giannoulis Holding GmbH serves as the strategic center of the corporate group. We consolidate entrepreneurial responsibility, define governance, standards and target models, and create clarity in structure, responsibilities, and development.
Collaboration Model
Our subsidiaries operate independently and focused within their respective markets, embedded in a shared framework. This combination of central oversight and entrepreneurial freedom ensures sustainable and scalable group development.
Core Principle
Decisions become traceable, responsibilities transparent, and growth structured.

Clear framework. Defined accountability. Scalable development.
Centrally Led
Governance, standards, and strategic targets are defined at group level.
Clearly Coordinated
Transparent responsibilities and structured interfaces between holding and subsidiaries.
Operationally Free
Subsidiaries act independently in their markets within a shared strategic framework.
Values, Responsibility and Integrity
These principles define our mindset and build trust, internally and externally.
Our Values
We act reliably, responsibly, and with a long-term perspective. Technical excellence and structured execution are combined with clear communication, respect, and partnership. Trust is built through transparent decisions and consistent quality.
Our Responsibility
We stand for fair working conditions, respect for human rights, and responsible, sustainable business practices. Integrity, safety, and long-term thinking define our actions: supported by clear roles, binding standards, and a focus on people and impact.
Compliance & Integrity
We act in accordance with regulations, responsibly and transparently. Compliance is an integral part of reliable corporate governance: with defined responsibilities, traceable decisions, and professional risk management. This ensures lasting trust.
Leadership & Key Contacts
Clear roles, clear channels: here you will find the central contacts of the holding and the operational contacts within the subsidiaries for efficient coordination and reliable decision-making.
Executive Management
The executive management of Giannoulis Holding defines the strategic direction of the group, governance, and central standards. It coordinates group-wide priorities, oversees development and investment decisions, and ensures transparent responsibilities and long-term stability.
Operational Contacts
For operational matters, the respective contacts within the subsidiaries are available. They are responsible for project execution, client communication, and technical decisions within day-to-day operations, aligned within the shared group framework.
Discuss a project or get in touch
For project-related inquiries, please use our contact page.
