Alcara Partners

Commercial cleaning businesses in Castellón: buying, selling and valuation

Commercial cleaning has no figure of its own by province in official statistics. The INE (Spanish National Statistics Institute) publishes it within the division of services to buildings and landscaping activities, which groups cleaning, integrated building services and gardening: 705 establishments in Castellón at the start of 2025, 9.3% of the total for the Valencian Community (Comunidad Valenciana) in that division.

At regional level, the specific group of cleaning activities had 4,634 companies at the start of 2025. That figure is not broken down by province. The buyer of a Castellón company may come either from the province itself or from groups already operating elsewhere in the Valencian Community.

Commercial cleaning · Castellón in figures

Active establishments in the province (CNAE activity code 81)

705

Share of the Valencian Community

9.3%

Active companies in the province (all activities)

40,045

What affects the value of commercial cleaning businesses in Castellón

In cleaning, the company is to a large extent its contract portfolio. The buyer will analyse each one: customer, service, hours, price, duration, notice period for termination and date of the last price review. A verbal contract with a residential owners' association does not carry the same weight as one signed for several years with an industrial firm or a healthcare centre, and a public contract has an end date and a new tender.

Staff are the main cost and, therefore, the main risk. The applicable collective agreement (convenio colectivo), the seniority and terms of each worker assigned to the services, absenteeism and any employment litigation are reviewed. It is important to know what happens to the staff when a contract is lost or won, because the sector's collective agreements may regulate subrogation (the transfer of staff to the incoming contractor); it is worth confirming this with an employment adviser.

Margin is won or lost in the organisation: routes, supervision, time control and purchasing of products. A company that measures the profitability of each contract and has supervisors who resolve incidents without the owner is much more transferable. Quality or environmental management certifications help when customers require them in their tender specifications.

Illustrative example: if the largest customer accounts for a significant share of the hours invoiced and its contract expires shortly after the sale, the buyer will probably propose that part of the price depends on its renewal.

Indicative valuation multiples

MethodRangeMedian
SDE (small businesses)1.5× – 3×2.2×
EBITDA (medium-sized businesses)3× – 5.5×4×
Indicative estimate based on Alcara Partners' valuation model.

Frequently asked questions

There is no figure by province. The provincial figure, 705 establishments, covers cleaning, integrated building services and gardening. Only at the level of the Valencian Community is the cleaning group published separately, with 4,634 companies.

Written and stable contracts, varied customers, margins measured by service, a workforce with no open employment disputes and a structure of supervisors that allows the business to run without the owner.

They bring volume and reliable payment, but they have an end date and must be won again in a tender. The buyer will look at how much of each contract remains, whether they can be extended and what track record of awards the company has.

If the shares in the company are sold, the employer remains the same and the contracts continue. If the business is sold as a going concern (unidad productiva), Article 44 of the Estatuto de los Trabajadores (Spanish Workers' Statute) applies (transfer of undertaking). In both cases it is worth confirming this with an employment adviser.

A great deal. If a few customers account for a large part of turnover, any loss changes the result. It is common for the buyer to ask that part of the price be paid later, conditional on those contracts continuing.

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Sources

Latest official data available on the date given for each source.

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