Security and alarm businesses in Castellón: buying, selling and valuation
Security and investigation activities have 37 establishments in Castellón according to the INE (Spanish National Statistics Institute) at the start of 2025, 9.7% of those in the Valencian Community (Comunidad Valenciana). It is the activity with the fewest establishments of those this website covers for the province.
Across the whole Valencian Community, this division had 285 companies at the start of 2025. Bear in mind that, depending on how each company is classified, some alarm or CCTV installers may appear under other activities, such as electrical installation, and not in this figure.
Security and alarms · Castellón in figures
Active establishments in the province (CNAE activity code 80)
37
Share of the Valencian Community
9.7%
Active companies in the province (all activities)
40,045
What affects the value of security and alarm businesses in Castellón
In alarms and CCTV, what a buyer values most are the recurring monitoring and maintenance subscriptions. Each subscriber brings predictable monthly income, and the portfolio is analysed as a whole: number of subscribers, average monthly charge, length of relationship, annual churn rate and the cost of acquiring a new customer. A portfolio with low churn and regularly reviewed charges can be the company's most valuable asset.
Private security activity is subject to authorisations and administrative registration, and guarding staff need professional licences. The buyer will check that they are all valid, in whose name they are held and whether the change of ownership requires notifications or new procedures; it is worth confirming this with a legal adviser.
In manned guarding, the business resembles labour-intensive services: contracts with customers, their duration and margin, the applicable collective agreement, labour costs and open disputes are reviewed. In both models, the alarm receiving centre, in-house or subcontracted, the IT systems and the contracts with equipment suppliers also carry weight.
Illustrative example: a small alarm company with thousands of dispersed subscribers and a subcontracted monitoring centre may interest a larger operator mainly for its portfolio, whereas for a local installer the attraction will be the technical team and the relationship with customers. Knowing which of the two is your natural buyer helps you prepare the right information.
Indicative valuation multiples
| Method | Range | Median |
|---|---|---|
| SDE (small businesses) | 2× – 3.5× | 2.8× |
| EBITDA (medium-sized businesses) | 4× – 7× | 5.5× |
Frequently asked questions
The INE records 37 establishments in security and investigation activities in the province. They are establishments, not companies, and some alarm installers may be classified under other activities.
By the recurring income it generates, taking into account the average monthly charge, churn, the cost of service and how long customers have been with the company. Sometimes only the portfolio is sold, without the company, to another firm that already has a monitoring centre.
They depend on the company and its managers, and private security regulations impose specific requirements. Before completing the sale you need to review which notifications or authorisations the change of control requires; it is worth confirming this with a legal adviser.
Customer concentration, contract duration, margins squeezed by labour costs, compliance with the collective agreement, disputes with workers and the validity of staff licences.
Usually other companies in the sector looking to add subscribers or contracts in the area, building services groups that want to broaden their offering, and installers who wish to add connection to a monitoring centre.
A list of subscribers without personal data, with their monthly charge, start date and type of service; cancellations in recent financial years with their reasons; standard contracts; the costs of the monitoring centre and of maintenance; and the inventory of equipment installed at customers' homes, indicating whether it belongs to the company.
Other sectors in Castellón
HVAC and air conditioningElectrical installationPlumbingCommercial cleaningManufacturing and industryConstruction and refurbishmentDistribution and logisticsProfessional servicesHospitality and restaurantsHealth and wellbeingRetailSolar energyTechnology and ITProvince of CastellónWhat is your business worth?
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- Instituto Nacional de Estadística (INE): Locales por provincia, actividad principal (divisiones CNAE 2009) y estrato de asalariados
- Instituto Nacional de Estadística (INE): Locales por CCAA, actividad principal (grupos CNAE 2009) y estrato de asalariados
- Instituto Nacional de Estadística (INE): Empresas por provincia y estrato de asalariados
- Instituto Nacional de Estadística (INE): Empresas por CCAA, actividad principal (grupos CNAE 2009) y estrato de asalariados
Latest official data available on the date given for each source.
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