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Our promise

The backbone of your digitalization: your network infrastructure.

As your specialist for network infrastructure in Berlin, we ensure the invisible but success-critical foundation of your company. We plan, implement and maintain stable, secure and high-performance networks that reliably support your business processes - today and in the future.

Network projects

Network performance

Certified network experts

Before we came to ComputerBUTLER, our IT was a constant problem child and regularly distracted us from our actual work. The difference is like night and day. The team works so proactively that problems are solved before we even notice them. We are no longer afraid of updates or system failures. It is a priceless feeling to know that competent experts are pulling the strings in the background and not only keeping our systems running, but also continually improving them. Our IT-related downtime has dropped to practically zero.
Stefan Lange, Managing Partner, Richter & Lange law firm
For our agency, quick help with IT problems is essential. With our previous provider we were stuck in endless ticket queues. At ComputerBUTLER we have a personal contact from day one who knows our systems and responds immediately. You can just tell that there are people here who love their jobs and understand that our productivity depends on them. Instead of waiting days for a solution, 9 out of 10 inquiries are resolved within an hour. This is an absolute game changer for us.
Anna Ziegler, owner, Ziegler & Partner Architects
Our outdated IT infrastructure has slowed down our digitalization plans for years. ComputerBUTLER didn't just add new hardware, but analyzed our entire processes and developed a future-proof IT strategy. They explained to us clearly which investments were really worthwhile and mastered the complete modernization during ongoing operations. Our work processes are now significantly faster and our new, stable infrastructure is the basis for further growth. An investment that has paid off in full after just a few months.
Michael Hoffmann, CEO, Hoffmann Präzisionstechnik GmbH

    Is your network infrastructure a brake on your Berlin company?

    Slow data transfers, unstable WiFi connections and constant network failures are not just a nuisance - they are a tangible cost factor that paralyzes the productivity of your employees in Berlin and endangers your competitiveness. An outdated or poorly configured network infrastructure is a risk you can't afford.

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    Our solution: Modern architectures for your growth

    We design and develop the technical backbone for your digital products.

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    Our core competence

    LAN infrastructure: The wired foundation

    We create a solid foundation. Our experts plan and implement your wired network infrastructure to the highest standards. This includes professional, structured cabling as well as the configuration of high-performance switches and routers. We ensure logical network segmentation (VLANs) to increase security and performance and intelligently control data traffic.

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    A strong foundation

    WLAN solutions: comprehensive, high-performance and secure

    We free you from the cables. Based on professional WiFi illumination, we plan and implement a stable and secure wireless network that seamlessly covers your entire business premises in Berlin. We rely on modern, centrally managed WLAN systems that guarantee high performance even with many simultaneous users and enable a secure separation of internal and guest WLAN.

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    For your success

    VPN & location networking: Secure connections, no matter where

    We securely connect your worlds. We design and implement robust VPN (Virtual Private Network) solutions that give your employees secure and encrypted access to the company network when working from home or while traveling. For companies with multiple locations, we implement secure and high-performance site networking (site-to-site VPN or SD-WAN) so that all employees can work together seamlessly.

    More than just an agency. Your external task force.

    We don't just deliver code, we deliver working, maintainable and business-oriented solutions.

    Tailor-made network concepts

    We develop individual solutions that are tailored precisely to the size, industry and specific requirements of your Berlin company. You do not receive a standard solution, but rather a tailor-made network.

    Manufacturer-independent product selection

    We advise you objectively and rely on proven network components from leading manufacturers (e.g. Cisco, Ubiquiti, Fortinet) that optimally fit your needs and budget.

    Focus on reliability & performance

    We plan your network infrastructure so that it meets the highest standards of availability and speed. Redundant components and intelligent configurations minimize the risk of failures.

    Your path to digital sovereignty

    As your specialized Node.js agency, we develop high-performance APIs and sophisticated web applications that advance your business.

    Building on this, we enable you to take the next step towards complete control, agility and the decisive advantage in your market.

    Proactive IT flat rates

    Turn incalculable IT costs into a fixed, budgetable monthly amount. We proactively ensure stable systems so that problems do not arise in the first place.

    IT helpdesk & user support

    Our friendly and competent helpdesk is available to assist your employees with all IT questions and provides quick solutions so that work can continue.

    Server & Network Management

    We look after the backbone of your IT. Whether server on site or in the cloud – we ensure maximum availability, performance and security of your infrastructure.

    Backup & Disaster Recovery

    We create robust backup concepts and emergency plans so that your valuable company data is safe and can be restored quickly even in an emergency.

    The technical deep dive for experts

    For anyone who wants to know exactly: Here you will find the details about our tech stack, our processes and our way of working.

    Our technical standards

    • Network planning & design: Conception of LAN, WLAN, VPN and SD-WAN architectures.
    • Structured network cabling: Professional installation and certification of copper and fiber optic networks.
    • Switching & Routing Solutions: Implementation and configuration of switches and routers.
    • WLAN illumination & implementation: Planning and setting up stable and secure WiFi networks.
    • Network security (firewall, VPN): Implementation of firewalls and VPN solutions.
    • Network monitoring & management: Continuous monitoring of your network components.

    Technical questions, clear answers

    What is the advantage of professional, structured cabling?

    Structured wiring is like the clean, well-labeled fuse box in a house, as opposed to a messy mess of wires. Every connection in the office leads to a central, tidy patch panel in the server room. The advantages are immense: 1. Reliability: Significantly lower susceptibility to faults than with unprofessionally laid cables. 2. Flexibility: New connections or employee moves can be implemented quickly and easily. 3. Troubleshooting: Problems can be isolated and resolved quickly and systematically. It is a one-time investment in a stable and maintainable foundation.

    What does VLAN mean and why is it important for security?

    A VLAN (Virtual Local Area Network) is a technique for logically dividing a physical network into multiple, separate subnets. Think of it as creating separate lanes for different types of traffic on a single, wide street, separated by guardrails. This is extremely important for security: For example, you can set up a VLAN for your internal employees, a completely separate one for your guests on the WLAN and another for sensitive devices such as servers. This means that a compromised device on the guest WiFi can never access your internal company data.

    Isn't a commercially available Wi-Fi router enough for my office in Berlin?

    For private use yes, for a productive corporate environment definitely no. Professional WLAN solutions that we implement in Berlin consist of several, centrally managed ones Access Points. This offers crucial advantages: 1. Comprehensive coverage: Multiple access points ensure a strong signal in every corner. 2. Seamless Roaming: Employees can move around the building without the connection being lost. 3. High performance: The load of many users is distributed across multiple devices. 4. Advanced Security: Professional systems offer secure authentication methods and the separation of networks (VLANs).


    Our proven process for your success

    1. Analysis & Audit

    We start with a comprehensive technical and organizational analysis (TOMs) of your existing infrastructure and identify the most critical vulnerabilities.

    2. Strategy & Offer

    Based on the analysis, we develop a tailor-made, risk-prioritized strategy and a modular, transparent offer with no hidden costs.

    3. Implementation & Operations

    We implement the solutions professionally and with minimal disruption to your business operations, transfer them into ongoing operations and ensure continuous optimization.

    Our expertise in action: case studies

    Case Study: On-Premise Migration

    How we migrated the entire data center to Azure for a medium-sized manufacturing company and reduced operating costs by 25%.

    Instructions: SaaS platform on AKS

    A technical guide on how we built a highly scalable SaaS application on Azure Kubernetes Service (AKS) for a tech startup.

    Analysis: FinOps & Cost Control

    How we helped a retail company bring skyrocketing Azure costs back under control through FinOps methods and targeted optimizations.

    No anonymous hotline. Real experts.

    Meet the architects behind your cloud transformation.

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    Felix M.

    Project manager
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    Laura S.

    Frontend Developer
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    Alex K.

    Senior Developer
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    Max W.

    Senior Developer

    Direct contact to ComputerBUTLER

    Would you prefer to reach us directly or do you have an urgent request? Here are our contact details:
    Telephone: +49 30 7543 8669 0

    Our service times:

    Monday - Friday: 9:00 a.m. - 6:00 p.m
    Emergency support for contract customers: 24/7

    Talk to us!

    Request your free, non-binding initial consultation now. We look forward to getting to know you and your company.
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