Responsibility and versatility at the client's service.

IT SUPPORT TO
KEEP YOUR BUSINESS
SAFE
AND SECURE

Our IT consulting service guides you away from outdated technologies and inefficient processes, making the most of the latest innovations.

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Técnico Calistech
13+
Years of Experience
500+
Satisfied Clients
2000+
Devices Repaired
98%
Satisfaction Rate
Hardware & Software

SERVICES & SOLUTIONS

Specialized technical assistance for individuals and businesses — free diagnosis, clear quote, no surprises.

OS Formatting & Installation

OS Formatting & Installation

Clean installation of Windows, Linux, or macOS. Full system setup and configuration.

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Virus & Malware Removal

Virus & Malware Removal

Complete removal of viruses, spyware, ransomware, and digital threats.

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Performance Optimization

Performance Optimization

Your slow computer back to fast speed. Full diagnosis and tuning.

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Internal Cleaning & Thermal Paste

Internal Cleaning & Thermal Paste

Professional internal dust cleaning and replacement of thermal paste to prevent overheating.

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Driver & Software Installation

Driver & Software Installation

Installation and update of all device drivers, antivirus, and essential software.

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Hardware Repair

Hardware Repair

Replacement of screen, keyboard, battery, USB ports, and other hardware components.

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RAM / SSD Upgrades

RAM / SSD Upgrades

Upgrade your RAM memory or replace your slow hard drive with a fast SSD.

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Printers & Peripherals

Printers & Peripherals

Configuration of printers, scanners, monitors, and all types of computer peripherals.

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Home Technical Assistance

Home Technical Assistance

We travel to your home or office to solve any IT problem directly on-site.

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SPEAK WITH OUR
EXPERTS

Have questions or need immediate help? Our technical team is available. Fast response, effective solutions.

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IT Management

WHY
OUTSOURCE?

Rely on an IT partner that offers security, cost reduction, and specialized expertise. Ensuring your employees have the right tools should not be your concern.

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Cost Reduction

Eliminate fixed costs with internal IT. Pay only for what you need, when you need it.

Guaranteed Security

Protect your data and systems with certified cybersecurity specialists.

Fast Response

Intervention in less than 24 hours. Your productivity cannot stop for technical issues.

Specialized Team

Certified technicians with over 13 years of experience at your service 365 days a year.

What sets us apart

EXPERTS,
MEET OUR TEAM!

Our approach starts with a deep understanding of your business. We offer custom IT support that starts with a simple conversation.

With over 13 years of experience, we are formed by certified hardware, software, networking, and cybersecurity technicians.

We work with individuals and businesses in Luxembourg and France, always guaranteeing a transparent and effective service.

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Equipa Calistech
13
Years of Experience
Profissionalismo
Our promise

TRUST AND
PROFESSIONALISM

Every intervention is treated with maximum rigor and transparency. Free diagnosis, clear quote — we only proceed with your consent.

Our commitment is to guarantee that your system runs perfectly, minimizing downtime and maximizing your productivity.

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What our clients say

TESTIMONIALS

★★★★★

"Excellent service! My laptop was repaired in less than 24h. Very professional and fair prices. I highly recommend Calistech!"

M
Maria Fernandes
Luxembourg
★★★★★

"My computer had a virus and I lost access to important files. Calistech recovered everything. Great and helpful team."

J
John Rodrigues
France
★★★★★

"Needed to set up the office network. They came on-site and solved it quickly. We continue to work with them regularly."

A
Ann Silva
Luxembourg
★★★★★

"Formatted my PC and it runs like brand new! Installed all the necessary software. Great support."

C
Carl Mendes
France
★★★★★

"My laptop screen cracked. They replaced it in 2 days at a very reasonable price. Quality service!"

S
Sophia Costa
Luxembourg
★★★★★

"Excellent service! My laptop was repaired in less than 24h. Very professional and fair prices. I highly recommend Calistech!"

M
Maria Fernandes
Luxembourg
★★★★★

"My computer had a virus and I lost access to important files. Calistech recovered everything. Great and helpful team."

J
John Rodrigues
France
★★★★★

"Needed to set up the office network. They came on-site and solved it quickly. We continue to work with them regularly."

A
Ann Silva
Luxembourg
★★★★★

"Formatted my PC and it runs like brand new! Installed all the necessary software. Great support."

C
Carl Mendes
France
★★★★★

"My laptop screen cracked. They replaced it in 2 days at a very reasonable price. Quality service!"

S
Sophia Costa
Luxembourg

PARTNERS & CERTIFICATIONS

Microsoft
Dell
HP
Lenovo
ESET
Intel
ASUS
Cisco
Especialista Calistech
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HAVE A QUESTION?

Exclusive availability for customer support. Fill in the form, or if you prefer, use another contact channel below.

+352 691 97 59 26