ISDnet – Integrated Security and Defense Network
Bundled expertise for security-critical construction projects
Planning security. Building the future.
ISDnet is a cooperation of leading companies in architecture, engineering, and specialist planning. Together, we offer comprehensive consulting and planning services for complex construction projects with high security requirements.
We advise and support you in …
- the planning of security-relevant buildings
- the implementation of complex infrastructure projects
- compliance with the highest security standards
- the integration of specialized technical solutions
- the coordination of interdisciplinary project teams
- ensuring adherence to schedules and budgets
We are ISDnet
A unique knowledge network of experienced consultants, specialists, architects, and engineers ensures the secure realization of your project – from the initial concept through execution to commissioning.

Challenges
Security-critical infrastructures face growing challenges. Our experts provide the complete know-how to address them with tailored solutions.
Resilience
Robust structures against physical and digital attacks
Availability
Operational reliability even in crisis situations
Technology integration
Integration of security-relevant systems
Future readiness
Consideration of new threat scenarios
Access security
Protection against unauthorized access
Data security
Protection of sensitive information
Redundancy
Alternative supply routes
Confidentiality
Discreet project execution
What we do for you
Secured buildings
- Production & logistics
- Institutions & finance
- IT & high technology
Critical infrastructure
- Energy & telecommunications
- Healthcare
- Transport infrastructure
Security & defense
- Military & defense industry
- Security and emergency services
- Civil protection & disaster relief
Public security buildings
- Administration & authorities
- Police stations & headquarters
- Judicial buildings
Our services
ISDnet provides all consulting, architectural, and engineering services for the realization of your security-critical construction project from a single source.
- Needs assessment & security concepts
- Architecture & building design
- Structural design & civil engineering
- Building services engineering
- Protective planning & structural security measures
- Cost, risk & schedule management
- Lean management & quality assurance
- Urban security & sabotage protection
- Sustainability & ESG certification
Your path with us

ATP architekten ingenieure is an integrated planning office with more than 1,500 employees at 14 locations. Planning is carried out consistently using BIM and includes architecture, structural engineering, as well as HVAC and electrical planning. Core competencies include industrial and public buildings, healthcare facilities, and security buildings for police, military, and judicial authorities.

Braun Engineering is a specialized planning firm with over 40 employees based in Munich. The structure is divided into three areas: BE.structure for structural engineering, BE.secure for security planning, and BE.consult for cost management, risk assessment, and support of large-scale projects. Key service areas include protective and security planning, crisis and risk management, structural dynamics and simulation, as well as technical due diligence.

Julius Berger International, headquartered in Wiesbaden, employs more than 380 people and offers comprehensive services in the planning and management of complex construction projects. Its focus lies in infrastructure planning – including master planning, transport planning, bridges and civil engineering structures, as well as supply and disposal systems. The portfolio is complemented by project management services with a focus on schedule and cost control, quality assurance, coordination, and contract management. In addition, the company provides construction-related services such as cost estimation, machinery concepts, and site controlling and logistics.
Contact

GF ATP München
Martin Leiter-Lukasser
Phone: +49 (89) 455 62-0
martin.lukasser@atp.ag

GF ATP Nürnberg
Dr. Andreas Rieser
Phone: +49 (911) 935539-0
andreas.rieser@atp.ag

CEO | Braun Engineering Gruppe
Matthias Braun
Phone: +49 (89) 2000 344-0
team@be-group.de

CEO | Julius Berger International
Dr. Björn Banholzer
Phone: +49 (611) 1390 3357
björn.banholzer@julius-berger.com