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heimsall group

Heimsall Group

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Our services

Preliminary and detailed engineering

At Heimsall, we pride ourselves on our highly qualified team specializing in basic and detailed engineering for the design and calculation of high-voltage electrical installations. Our technical office handles the preparation of legalization projects, plans, and single-line diagrams, as well as managing permits, licenses, fees, and procedures with utility companies, industry delegations, and public administrations.

Our engineering department analyzes, designs, plans, organizes, executes, and supervises all phases of assembly, from the preliminary study of technical and safety conditions to the testing and approval of the installation. This ensures the safety, quality, reliability, profitability, and efficiency of every project we undertake.

Trust our engineering team to guarantee the efficiency and safety of your high-voltage electrical installations.

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High-Voltage Electrical Installations

We offer specialized machinery, tools, and personnel to ensure maximum safety and quality in the assembly of high-voltage electrical installations:

  • Installation of transformer centers (CTs)
  • Setup and integration of substations
  • Laying and commissioning of underground high-voltage lines
  • Erection and configuration of overhead high-voltage lines
  • Refurbishment and modernization of existing installations

High-voltage electrical maintenance

We provide repair and maintenance services for any Transformer Center (CT). We manage and execute mandatory inspections in collaboration with Authorized Control Bodies (OCA) according to applicable regulations. Our mobile units are equipped with measurement equipment and specialized tools for rapid repair and maintenance, ensuring the highest quality standards. We offer uninterrupted assistance 24/7, 365 days a year.

  • Servicing and inspections of transformer centers (CTs)

  • Preventive and corrective maintenance for substations

  • Monitoring and upkeep of underground high-voltage networks

  • Repairs and technical support for overhead power lines

Don't let your projects run out of energy. Contact us now to bring your projects to life!

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Low-voltage electrical Installations

We provide specialized personnel and the latest technology to ensure the safety of your installations, 24/7, 365 days a year. We monitor cell data in real-time and integrate it into the maintenance monitoring system or even into your mobile phone.

Keep your projects powered and moving forward.

Get in touch now and let’s bring your ideas to life!

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Building Automation

Cutting-edge solutions in the HVAC sector. Our services include study, design, planning, projection, and offering all types of solutions for new constructions and renovations. We support engineering firms and manufacturers across various fields and sectors. We handle the updating, migration, reinstallation, and maintenance of operating systems, as well as the integration of all types of HVAC systems.

Energy monitoring and Management

We implement comprehensive solutions for the control, monitoring, and analysis of energy consumption. Our solutions include the engineering and installation of physical measurement elements for data capture, a virtual monitoring platform, and a team of specialists in data analysis services and energy consumption improvement.

Take control of your buildings with integrated solutions for climate, lighting, and real-time monitoring.
Save energy, reduce downtime, and run smarter.

Pneumatics

Our pneumatic systems are designed to compress and regulate air, guiding it through dedicated lines and controlling its flow with precision valves—delivering the exact pressure needed at the actuator.

Industrial automation and control

Bridging the gap between traditional processes and Industry 4.0.
From automation and robotics to system modernization and IT integration, every step is designed to boost performance and reliability.

Elevate your operations through digital transformation with Heimsall’s advanced automation and industrial control systems.
Contact us today and unlock the full potential of your processes.

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Comprehensive assembly of Industrial Plants and Facilities

At Heimsall, we deliver specialized services for the full assembly of industrial plants and infrastructure. Our work spans from the prefabrication and installation of metal structures and piping systems to the integration of safety equipment and repair of pressure vessels.
Thanks to our versatility, we take care of both core operations and auxiliary tasks such as insulation, painting, and civil works offering fully customized, end-to-end solutions.
With our professional help, your industrial infrastructure benefits from our proven expertise and unwavering commitment to safety and efficiency.

Corrective, preventive & full-scope maintenance for Industrial Plants (Industrial Mechanics)

We focus on delivering reliable, all-around maintenance to keep your industrial operations running at peak performance.
Our services cover mechanical maintenance of equipment and installations, management of Pressure Reduction and Metering Stations (ERMs), and scheduled plant shutdowns for inspection and servicing.
We also handle the full maintenance of energy infrastructures and implement tailored programs based on your specific operational needs.
No matter how complex the task, our goal is simple: to keep your plant performing at its best safely, efficiently, and without interruption.

Together Toward a Sustainable Energy Future
Efficiency, savings, and safety for your business and for society.

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Comprehensive maintenance for Industrial Electrical Systems

We provide smart, customized maintenance strategies -preventive, predictive, and corrective- designed to match the technical demands of each facility. Our work ensures maximum efficiency, operational safety, and uninterrupted performance. By anticipating faults and optimizing every component, we help you avoid costly downtime and keep your business running at full speed, today and into the future.

Custom engineering & Equipment manufacturing

At Heimsall, we build industrial equipment that adapts to your operations—not the other way around. From prefabricated supports and piping systems to pressure vessels and structural components, we manufacture with precision and a deep focus on safety and reliability. Every solution is engineered to meet your exact needs, with the quality and durability that mission-critical industries demand.

Don’t leave your systems exposed, protect them with Heimsall.

Contact now.

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Industrial Cybersecurity

We secure your infrastructure with advanced, AI-driven cyber defense that actively detects, investigates, and neutralizes threats in real time. Our comprehensive approach includes awareness training, security audits, consulting, system implementation, and post-installation technical support.
We also offer intelligent email protection that stops even the most convincing phishing attempts, with fully automated learning-based monitoring and complete system visibility.

Energy Efficiency

Reducing energy consumption and improving sustainability starts with smart, actionable strategies. At Heimsall, we design and implement end-to-end solutions—from energy supply consulting and performance audits to self-consumption systems, intelligent storage, real-time monitoring, LED lighting, charging solutions, telemetry and electric mobility infrastructure.

Energy savings aren’t just a promise—they’re measurable, visible, and aligned with your long-term goals.
Gain control, cut costs, and move toward a more sustainable future.

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Heimsall Group

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Tel. (+34) 944 761 082
heimsall@heimsall.es

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Heimsall Group Companies

Euskoime
Heimsun
Helinx
Homsa
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Beroven

 

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Heimsall Group © 2025 - Larrondo Goiko Kalea, 2, PABELLÓN C3-C4, 48180 Loiu, Biscay · Tel. (+34) 944 76 10 82