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In Spain, detection in front of the house matters — not only in the living room.
Read more →Market leader in Europe · installed in Spain
AJAX Alarm System in Spain
Looking for an AJAX alarm system in Spain? We install Europe’s market leader for expats and homeowners — without a subscription, without a call centre and without door-to-door salespeople. More than 3,000 homes since 2019, fitted by our own installers.
AJAX in Spain — at a glance
What matters when you choose AJAX for a Spanish home.
- Why in Spain: outdoor detection, jamming protection and an autonomous outdoor siren — tailored to villas, townhouses and long vacancy periods.
- No subscription: you own the hardware; direct smartphone alerts without a mandatory monitoring contract.
- Our role: accredited installer — we design every setup on site, not as a standard package.
- Product deep-dive: for specs, Grade 3 and feature comparison, see our AJAX alarm system review.
AJAX — market leader in Europe
Official AJAX video — 4 factories · 180+ countries · 200+ certifications worldwide. Turn the sound on for a nice beat.
Official AJAX video — 4 factories · 180+ countries · 200+ certifications worldwide. Turn the sound on for a nice beat.
Why AJAX is the better choice in Spain
A Spanish home needs different security work than a standard package: garden and terrace in front of the house, large sliding doors and weeks or months of vacancy while you are abroad.
Subscription providers rarely design their systems for that risk profile. Everything stands or falls on two things: outdoor detection and protection against jamming.
Outdoor siren & jamming
Noise outside and interference detection: what we focus on.
Read more →Jamming explained
What subscription alarms often fail to deliver — and what we test.
Read more →Subscription vs ownership
Why monthly costs and monitoring promises work out differently in Spain.
Read more →How we secure a home in Spain
Every home is different. This is the approach we use most often.
Outdoor detection where possible
We prefer sensors in the garden, by the terrace and along vulnerable windows. You know in time that someone is there — before the house is reached.
The siren in the right place
On break-in or sabotage we place the outdoor siren where noise outside has the most effect — immediately and without you having to do anything.
SIM for power cuts
In Spain the meter box is often open to the street. A SIM in the hub keeps alerts active if power or internet fails.
Indoors only as backup
At most one indoor sensor as a safety net — but the focus is on deterring outside, wherever possible.
More background
Unsure after a visit from a door salesperson or subscription provider? These pages explain why such systems offer little real protection in practice.
Large subscription providers regularly buy data from notaries and banks in Spain — for example about when you receive the keys to your new home. As a result, their representatives are often at your door on the very first day with free installation and a lifetime monthly contract for false security.
- Compare subscription alarm systemsPromises, monitoring chain and what you need to know before signing
- Jamming explainedPromises, practice test and questions for every seller
- Outdoor siren & jammingWhy noise outside makes the difference
- 6 pitfalls with alarm systemsThe full series on misleading promises
- Outdoor detectionWhich sensors we place outside and why
- How we workFrom home visit to working system
Honest advice for your home in Spain?
No obligation · no door sales · no subscription pressure
As an accredited partner we install ourselves and test every zone on site. During a home visit we assess your property and explain what matters in your situation. No sales talk.
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What do you need for an apartment, townhouse or villa? Or view the full overview.