TrueStack Managed Sovereign Cloud | SITS

Managed Sovereign Cloud Services for full Control, Security and Compliance

TrueStack combines sovereign cloud infrastructure with managed services, security and compliance. Run business-critical workloads securely, resiliently and audit-ready, without giving up control of your data and systems.

  • Sovereign cloud operations with clearly defined responsibilities
  • Security levels tailored to your individual protection requirements
  • Compliance-aligned and auditable operations
More than 2,500 customers rely on our solutions.

When cloud operations become more complex, one thing is often missing: Control

Different platforms, security mechanisms and operating models make consistent governance increasingly difficult. At the same time, requirements for availability, compliance and digital sovereignty continue to grow, while internal IT teams remain occupied with day-to-day operations. TrueStack brings these requirements together in a unified operating model.

71 %

of applications are not integrated

On average, only 29 % of enterprise applications are integrated. Data silos and disconnected interfaces increase complexity and drive additional manual effort.

686 hrs

of IT time per employee per year

IT teams spend significant time developing, testing and maintaining custom integrations between systems and data. This effort reduces capacity for strategic initiatives and innovation.

64 %

of organizations already address digital sovereignty in their security strategy

However, only 26 % have fully embedded sovereignty requirements into their strategy, architecture and provider selection decisions.

What TrueStack delivers

An operating model that brings together cloud infrastructure, security, governance and managed services.

Maintain control over data and operations

Clear responsibilities, transparent governance and freely combinable components create independence when choosing platforms and technologies.

Significantly reduce the burden on internal IT

SITS takes over defined operations, monitoring and support tasks. This reduces operational workload and creates more capacity for the strategic development of your IT.

Embed compliance into operations

TrueStack helps integrate regulatory and organizational requirements into day-to-day cloud operations and implement them in a transparent and traceable manner. Service levels and responsibilities remain clearly documented and auditable.

How TrueStack works

From your existing IT environment to a stable managed operations model: implementation is structured, transparent and designed to avoid unnecessary disruption to existing systems or service providers.

Analyse

Assess your existing IT environment

Together, we assess your infrastructure, cloud platforms, security requirements and existing service providers. Based on this analysis, we define the target operating model, as well as clear responsibilities and interfaces. Existing investments remain protected. Services can be adopted, extended or consolidated step by step.

Analyse

Integration

Integrate the required services

The required components are implemented and integrated into your existing IT landscape. These may include cloud infrastructure, managed applications, security services, monitoring, storage, Kubernetes or databases. The specific services deployed depend on your actual requirements and the desired security level.

Integration

Start

Go Live and continuously evolve

After go-live, SITS takes over the agreed operational responsibilities. Continuous monitoring, defined service levels and aligned support and escalation processes ensure stable operations. Regular review meetings provide transparency and enable the targeted evolution of services, capacities and security levels.

Start

Cloud Operations designed around your requirements

Not every organization requires the same services, security levels or operating models. That is why TrueStack flexibly combines infrastructure, security and managed services based on your specific needs, supporting a wide range of requirements related to availability, compliance and digital sovereignty.

Centrally manage international IT environments

TrueStack combines hosting, monitoring, incident management and lifecycle management within a unified operating model.

Standardized support and escalation processes simplify the management of both national and international locations.

Clear responsibilities and standardized operating procedures ensure that services are delivered consistently across different regions and platforms. This makes it possible to centrally manage even complex IT environments without limiting the flexibility required at the local level.

Feedback from SITS Customers

„The collaboration was always solution-oriented"

With the new platform, we were able to establish a robust and reliable registration process that fully meets the current security and compliance requirements. The collaboration was always solution-oriented and characterized by a deep understanding of the complex requirements and special features of the healthcare sector.

Thomas Schmidt · Product Management Trust Center, ITSG

„We can focus on actually improving things."

SITS focuses on the security operational aspects handling incident triage and phishing email reports, enabling us, the internal security team at Sunweb, to focus on strategic initiatives, like rolling out new capabilities, conducting assessments and actually fixing things.

Cristian Pascariu · Head of Information Security, Sunweb

„It's not just about giving advice, but actively shaping and collaborating"

Communication is open, friendly, constructive and results-oriented. It's not just about giving advice, but actively shaping and collaborating. In less than seven weeks, we achieved the TISAX label together – something some people thought was impossible. Thank you to the entire team!

Torsten Förtsch · Managing Director, Eurostyle Systems Tech Center GmbH

„They’re simply great people to work with"

SITS is a knowledge-intensive organization. They understand procedures, roles, access rights, and identities. But they also excel in business consulting and development. On top of that, they’re simply great people to work with. That’s a big plus.

Erwin van der Meulen · Head of Global Application Management, Randstad

Awards & Certifications

Frequently Asked Questions

No. TrueStack can be integrated into existing IT environments. Existing infrastructure, cloud platforms and service providers can continue to be used and incorporated into the operating model. Services can be adopted, extended or consolidated step by step.

This depends on the scope of the required services. According to the template, standardized services can often be provisioned within just a few days. More complex data center, hybrid cloud or multi-cloud scenarios typically require joint planning and a structured transition process.

Implementation follows a three-step approach. First, the existing IT environment and target operating model are assessed. Next, the required services are configured and integrated. Following go-live, operations are managed according to defined service levels, supported by continuous monitoring and regular optimization activities.

TrueStack offers different SLA tiers based on the importance and criticality of the respective systems. Options include varying response and recovery times, service hours and support models.

The portfolio includes cloud infrastructure, managed applications, security services, managed Kubernetes, managed databases, secure cloud storage, monitoring, governance, incident management and managed operations. The exact combination of services is tailored to your individual requirements.

Experience TrueStack in your own IT environment

During a free initial consultation, we take a closer look at your current IT environment, your objectives and the services you require. Together, we identify which TrueStack components best fit your requirements and how a phased implementation approach could look.

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