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Modern Cloud Solutions. Microsoft Technology. Delivered by THEISZ Systems.

Microsoft

Certified Microsoft Partner & Cloud Service Provider in Portugal

As a long-standing Microsoft Partner, THEISZ Systems helps organizations move faster and smarter with Microsoft cloud and productivity tools. From Azure migrations to Microsoft 365 integration, we provide consulting, subscriptions, and support to ensure your digital foundation is modern, secure, and built to scale.

Certified Microsoft Partner Cloud Service Provider Portugal

Why Governments Are Moving to Azure - Key benefits of Azure for decision-makers in public sector

From secure data handling to smarter cities and cost savings, Microsoft Azure empowers public services to do more with less.

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What we do

Elastic cloud & insfrastructure Syone

Cloud & Infrastructure

We design, migrate, and manage scalable cloud environments with Microsoft Azure and Microsoft 365. From modernizing infrastructure to deploying workloads, we ensure performance, security, and cost efficiency. We also manage access, infrastructure, subscriptions, and monitoring to keep your platforms stable and aligned with your goals.

Elastic data & analytics Syone

Data & Analytics

We implement the Microsoft Analytics Platform, Power BI, and Microsoft SQL Server to create powerful, integrated data platforms. With Azure’s native analytics tools and AI capabilities, we help your teams transform raw data into actionable insights, improving decision-making and enabling predictive business intelligence across the organization.
Elastic development & Integration Syone

Development & Integration

Our developers use Microsoft Tools and Azure services to build scalable, cloud-native applications and APIs that connect with your internal systems and external tools. Whether you're modernizing existing apps or building new ones from scratch, we ensure fast deployment, seamless integration, and ongoing support, using Agile methodologies and DevOps best practices tailored to your tech stack.
Datasheet

Is Microsoft Azure Right for You?

Learn how Microsoft Azure's scalable, secure, and cost-effective cloud solutions can drive innovation, improve efficiency, and accelerate your digital transformation journey.

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Case study

Speeding Up Digital Transformation for TESE with Microsoft 365

At THEISZ Systems, we partnered with TESE – a Portuguese non-profit organization dedicated to sustainable development and social innovation – to overcome significant operational challenges. TESE needed a cohesive digital ecosystem to enhance collaboration, streamline operations, and drive their mission forward.

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Case Study

MissingX: A Successful Digital Transformation Case

MissingX overcame the limits of a rigid, monolithic system by partnering with THEISZ Systems. Using Software Factory Services, THEISZ Systems rebuilt the platform on Azure Cloud with a modern core app, enabling greater flexibility, scalability, and key features like user and parcel management.

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Whitepaper

From Google to Microsoft 365: A Migration Guide for Enterprises

This whitepaper provides a strategic roadmap to help enterprises plan, execute, and optimize their transition to Microsoft 365 - with real-world best practices to avoid disruptions, data loss, and frustrated users.

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Client Case

How EDP achieved Business Innovation with Data Insights powered by THEISZ Systems

EDP partnered with THEISZ Systems to overcome the limitations of SAP monitoring tools by leveraging the Elastic Stack. THEISZ Systems transformed unstructured Tomcat logs into real-time insights, improving visibility across 294 integrated applications.

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Whitepaper

Driving Digital Transformation with Azure: A Guide for Non-IT Companies

This free whitepaper provides a clear roadmap for leveraging Microsoft Azure to drive digital transformation and achieve your business goals.

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Case study

How Barricade Leveraged Microsoft Azure to Deliver Next-Generation Protection

Barricade partnered with THEISZ Systems to overcome system limitations and better serve both security partners and end users. By leveraging Microsoft Azure, they built a scalable, secure platform with streamlined client management, easy customization, and advanced analytics.

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Slide Deck

How Microsoft Teams and SharePoint boost collaboration across departments

Download this PDF and learn how you can improve your team's productivity in a jiffy

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What we deliver as your Microsoft Partner

As a long-time Microsoft Partner with advanced competencies in Application Development, Data Analytics, Data Platform, and Cloud Platform, we help businesses unlock the full value of Microsoft technologies, from Azure to Microsoft 365, backed by certified expertise and tailored solutions.

As a Microsoft Cloud Solution Provider (CSP), we offer full control over subscriptions, cost, and support, all in one place. THEISZ Systems was named Microsoft Partner of the Year for three consecutive years (2018–2020), recognizing our ability to deliver results at scale.

THEISZ Systems provides expert consulting across Azure and Microsoft 365. We design hybrid cloud strategies, enable secure remote work, and modernize applications to align with your business goals.

We manage all Microsoft licensing, from Azure to Microsoft 365 offering flexible subscription models with full compliance and cost control.

Our team ensures your Microsoft environment runs smoothly. We handle infrastructure updates, security monitoring, performance tuning, and day-to-day Microsoft 365 administration.
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Frequently Asked Questions

THEISZ Systems is a SUSE Partner and official SUSE Certified Partner in Portugal. Our consultants hold certifications across SUSE Linux Enterprise Server (SLES), SUSE Manager, and Rancher Kubernetes, ensuring deep technical knowledge and up-to-date best practices. We’ve successfully implemented SUSE solutions across sectors, supporting both hybrid and cloud-native environments. Our hands-on experience makes us a trusted partner for mission-critical deployments.

THEISZ Systems delivers end-to-end services for SUSE, from initial assessment and architecture design to deployment, integration, and post-launch support. We customize implementations to match each client's environment and growth goals.
Our team supports third-party integrations, legacy migrations, and full lifecycle management of SUSE environments. We also offer 24x7 managed services and custom training to ensure your internal teams are fully empowered.

As a certified SUSE reseller, THEISZ Systems helps you choose the most cost-effective subscription tier, based on your workloads and support needs. We manage everything from activation and renewal to compliance and reporting, ensuring all subscriptions align with your production and non-production environments.

THEISZ Systems provides technical support tailored to your SLA. Our certified engineers handle everything from routine incidents to critical system outages. For issues requiring escalation, we work directly with SUSE’s global support teams. Clients benefit from a dedicated support team, proactive monitoring, and clear processes for ticket resolution and escalation.

Every project follows a structured plan with defined milestones, deliverables, and review points. We use Agile and hybrid methodologies to stay aligned with your business goals and timelines. Our handover includes clear documentation, technical onboarding for internal teams, and performance validation to ensure that you’re fully self-sufficient, or continue working with us through managed services for long-term stability.