Cleaning Company in Leiden
We're the cleanest in Leiden
We guarantee it!
The cleanest in Leiden. And we live up to that promise every day. Our clients confirm this every day. Want to get to know us?
We don't shy away from anything. Our three departments are staffed by intelligent and highly trained people who know exactly what is expected of them.
Our Workers are highly skilled in routine cleaning tasks. Vacation resorts, school buildings, commercial buildings, offices, student housing, etc., are their daily work environment. The Masters are trained for more specialized and demanding cleaning tasks. The Profs are prepared for highly specialized cleaning work. Examples include crime scene cleaning at the scene of a crime (in cases of murder, suicide, or death). They know how to handle the odor of decomposition, trauma, and biohazards. This division is also on call 24/7 to provide assistance in Leiden and throughout the rest of the Netherlands.

Our Workers form the foundation of all cleaning services provided by 12BClean. “Workers” are hard workers who are on the job 24/7 at office buildings, businesses, and vacation resorts.
Call the Workers for:

The Masters specialize in the toughest jobs. For “a Master,” no job is too dirty, too gross, or too difficult. They are deployed throughout the Netherlands and operate as a team and
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The Pros handle even the most extreme situations involving crime or trauma very well. Making the scene of the incident accessible again is an important task for the Pros, who have the right resources and techniques to ensure this.
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Our employees (now more than 160 in Leiden and throughout the rest of the Netherlands) know what their responsibilities are within the company and have been specially trained and well-educated for these roles. They work in this industry with passion and dedication, and they don’t go home until everything is clean.


Nice to meet you. We are Jack Oosterwaal and Michael de Bruine, both founders of 12B Clean, the cleaning company serving Leiden and other areas. We’ve known each other for years and are inseparable in business. We once shared a dream: to start our own company in the cleaning industry—one that we wanted to run much better, much more comprehensively, and with a much more human touch than any other company. We’re proud of the result. Our cleaners are well compensated, receive training and recognition, and are equipped with the proper certifications when they work for our clients.
They value intelligent and skilled people in their workforce. Together, we’re experts in every aspect of the cleaning industry—from routine cleaning to specialized tasks. And we offer all of this at a highly competitive price. With effective organization, this is a win-win model for everyone involved.
Note: We are willing to put our skills to use in a FREE trial assignment.
Our cleaning services are handled by 12B Clean. I don't have to worry about a thing!
Lies Drieskens-Blad
Owner of Blad Rijopleidingen vof, Rotterdam
A cleaning company is a partner of your organization. It contributes to the company's success.
Jack Stoffels
General Manager, Z’andvillas
12B Clean provides ample time and attention to those left behind who have been affected and offers them a helping hand.
Carla
Individual
Nothing is too gross or too dirty for us. We’ve been schooled by experience and know how to deliver every project spotless. We see a challenge in everything.
Stop searching and choose the cleanest one!