How to choose a professional cleaning company

Handing the cleaning of your premises to a professional cleaning company is a strategic decision. It has a direct impact on your company's image, your staff's well-being and the long-term condition of your facilities. In the Paris region (Île-de-France), where there is a particularly large number of cleaning contractors, it can be hard to find your way. Which criteria matter most? What questions should you ask? How do you avoid unpleasant surprises? This guide takes you through the selection process step by step.

Why your choice of contractor matters

Professional cleaning is about much more than a quick sweep at the end of the day. It is a skilled trade that requires technical know-how, suitable equipment and rigorous organisation. A poorly chosen contractor can prove costly: surfaces damaged by unsuitable products, more staff absence because hygiene is not up to standard, or a tarnished image in the eyes of your clients and visitors.

Conversely, a reliable and competent cleaning partner helps to create a healthy, pleasant and productive working environment. It preserves the value of your property, reduces health risks and takes a significant logistical concern off your hands. That is why choosing your cleaning company deserves careful, methodical thought.

The key criteria for making the right choice

Several key factors should guide your selection. Here are the five criteria we consider essential for identifying the right contractor.

Check the mandatory certificates and documents

Before signing, ask the contractor for the documents that show it operates within the rules: a recent company registration extract (Kbis), which proves it is registered, and the URSSAF compliance certificate (attestation de vigilance), issued by URSSAF, the body that collects social security contributions, which confirms that the company is up to date with its social security returns and contributions. For a contract worth at least €5,000 excluding VAT, you should ask for this certificate when the contract is signed, then every six months until the contract ends.

Also check that the company applies the French national collective agreement for the cleaning industry. These points may seem basic, but they protect you against undeclared work and unregistered contractors, which unfortunately are still found on the market.

Ask for client references

A reputable cleaning company will always be able to give you client references you can check. Do not hesitate to contact these references directly and ask them practical questions: is the quality of service consistent? Is the team punctual and respectful of the premises? Does the contractor respond quickly when there is a problem?

Give preference to companies that already work in premises similar to yours. A contractor experienced in office cleaning will not necessarily be competent at industrial cleaning, and vice versa. Experience in your sector is a major asset, as it implies a detailed understanding of the constraints specific to your business.

Assess responsiveness and communication

Responsiveness is an often underestimated criterion, yet it makes all the difference day to day. How long does it take to get a reply to an email? Does the contractor offer a dedicated point of contact? Is there a clear process for reporting a problem or requesting an extra clean?

A good cleaning contractor must be easy to reach and able to bring in additional resources in an emergency, whether a water leak, an unexpected client visit or an event on your premises. The quality of communication before the contract is signed is generally a good indicator of what the day-to-day relationship will be like.

Look at value for money

The lowest price is almost never the best choice. An abnormally low price often hides compromises on product quality, staff training or the time allowed for each visit. Over time, these apparent savings lead to poor results, high operative turnover and growing dissatisfaction.

Ask several contractors for detailed quotes and compare them line by line: frequency of visits, number of hours planned, products used, equipment provided. A transparent, well-structured quote is the sign of a company that has its costs under control and will not need to cut corners on quality to protect its margins. Make sure the quote covers all the services you need, including one-off work such as cleaning of common areas.

Check insurance and guarantees

Every professional cleaning company must hold professional liability insurance covering any damage caused during its work. Always ask for a copy of the current insurance certificate and check that the amounts covered are appropriate to the value of your premises and equipment.

Beyond insurance, find out about the contractual guarantees on offer: a clause providing cover when an operative is absent, a commitment to results, penalties for non-compliance, termination conditions. A well-drafted contract protects both parties and lays the foundations for a smooth, lasting working relationship.

Warning signs to look out for

Some signs should set alarm bells ringing during your search and call for the utmost caution:

• A price well below the competition with no clear justification: this may conceal undeclared work or questionable employment practices.
• No prior visit to your premises: a quote drawn up without an on-site assessment can be neither reliable nor suited to your actual needs.
• A lack of transparency about how teams are made up, the products used or the working methods employed.
• Being unable to provide client references, an insurance certificate, a URSSAF compliance certificate or an up-to-date Kbis extract.
• Excessively slow replies at the sales stage, which usually signal poor responsiveness once the contract is under way.
• A vague contract, with no precise commitment on results or on how quality will be monitored and checked.

Why a precise written specification matters

Before you even contact contractors, take the time to draw up a detailed written specification (cahier des charges). This document is the cornerstone of an effective tender and a successful working relationship. It should describe your premises precisely (floor areas, floor types, number of rooms, specific equipment), your expectations in terms of frequency and results, and your constraints (opening hours, secure areas, protocols specific to your business).

A well-constructed specification allows you to compare offers on a like-for-like basis and avoid misunderstandings later on. It is also a valuable management tool throughout the contract, since it sets the expected quality standards and measurable performance indicators. Feel free to include environmental criteria, such as the use of ecolabelled products or responsible waste management.

Remember also to specify any additional services you might need on a one-off basis: post-construction cleaning, a deep clean before an audit, or specific seasonal work. A contractor able to cover all your cleaning needs makes your management considerably simpler and ensures consistent quality across services.

Why choose Atlantis

Based in Clamart since 2000, Atlantis works with businesses, property and building managers, and public bodies throughout the Paris region.

We carry out more than 1,200 cleaning visits a month. Every site has a written specification setting out the tasks to be carried out in each zone and how often. We favour ecolabelled products.

Whether you are looking for a contractor for the daily cleaning of your offices, the cleaning of the common areas of your building or industrial cleaning work, we will offer you a tailored solution, with a detailed, free, no-obligation quote.