Cleaning Company in Schiedam

From the offices in ‘s-Graveland to the historic buildings along the Lange Haven: 12B Clean keeps Schiedam clean. Whether it’s an industrial building in the Spaanse Polder, a building entrance in Nieuwland, or a cleanup in Groenoord, we’re the go-to cleaning company in Schiedam. Our staff are trained, experienced, and don’t shy away from hard work.

Leonardo is a master at 12B Clean

“We’re committed to our noble mission and don’t shy away from the dirty work. In fact, with a passion for what we do, we take care of it for our customers!”

A Cleaner Schiedam: From the Harbor Area to Downtown

Working as a cleaning company in Schiedam requires adaptability. The city combines a historic downtown with a large port and industrial area and many high-rise residential buildings. Our cleaners clean offices, commercial buildings, schools, healthcare facilities, and complexes throughout the city. Commercial cleaning makes up the largest portion of our work, ranging from a medical office in the city center to an entire production floor.

Around Wilhelminahaven, Nieuw-Mathenesse, and Vijfsluizen, industrial dust settles on building facades, window frames, and outdoor areas. In ‘s-Graveland and the Spaanse Polder, there are busy offices and logistics facilities where a well-maintained appearance matters every day. In Nieuwland, Groenoord, and Schiedam-Oost, we provide entranceway maintenance, post-construction cleaning, and move-out services for housing associations and property managers. With dedicated teams from the region, we’ll be at your doorstep in no time.

Staff: Wendy Ras

“It’s a case of sink or swim—there’s no middle ground. You have to take drastic action to minimize the long-term damage caused by flooding as much as possible.”

Want to try it out? Give us a call

085 – 060 26 23

You'll never want to be without us again!

Get Started at 12BClean

Our staff (now more than 160 in Schiedam and the rest of the Netherlands) know what they need to do within the organization and have been specially trained and well-educated for the job. They work in this industry with passion and dedication, and they don’t go home until everything is clean.

  • We always stop by (with no obligation) to thoroughly assess the situation.
  • You will always receive a clear quote before we get started.
  • Necessity knows no law. If something can't wait, we'll tackle it right away and resolve it for you immediately.

Window Cleaning by 12B Clean

Owners Jack Oosterwaal and Michael de Bruine

We'd like to get started working for you

Nice to meet you. We are Jack Oosterwaal and Michael de Bruine, co-founders of 12B Clean, the cleaning company serving Schiedam 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 employees are well compensated, receive training and recognition, and are equipped with the right 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.

Shall we set up an appointment?

Note: We are willing to put our skills to use in a FREE trial assignment.

What Our Customers Say

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.

Want to try it out with no obligation?

085 – 060 26 23

That doesn't obligate you to do anything at all!

Operating throughout Schiedam and the surrounding area

12B Clean operates in the city center, Schiedam-East, West, and South, Nieuwland, Groenoord, Kethel, Woudhoek, Spaland, and Sveaparken. Our staff are also on site at the industrial parks ‘s-Graveland, Spaanse Polder, Wilhelminahaven, Nieuw-Mathenesse, and Vijfsluizen. We can also respond quickly in surrounding areas such as Vlaardingen, Maassluis, Delft, and Rotterdam. See also Cleaning Company Delft and Cleaning Company Spijkenisse.

Why Choose 12B Clean

  • Free sample assignment. See what we deliver first, then sign the contract.
  • More than 160 professionals. An experienced team is always available.
  • Dedicated teams from the region. Direct communication and people who know your property.
  • VCA-certified and insured. Customers rate us a 9.8—see the proof.
  • Available 24/7. Including evenings, weekends, and in emergencies.

Frequently Asked Questions

The final price depends on the area, the frequency, and the type of space. For facade cleaning, clearance, or post-construction cleaning, we will provide a project quote after an on-site inspection.

Yes. Many clients in Schiedam have us work early in the morning or after hours. For manufacturing and logistics facilities, we coordinate our schedule with the shift schedule so that your business operations are not disrupted.

Yes. We maintain entrances, hallways, elevators, storage rooms, and common areas in apartment complexes in Schiedam. You’ll be assigned a dedicated team and receive clear agreements regarding the frequency and scope of work, including feedback to the board or property manager.

Yes, but with a different approach. We clean old masonry and historic mortar joints using low pressure and mild cleaning agents to avoid damaging the facade. We always assess the material and the condition of the mortar joints before we begin.

We’ll come by for an initial assessment and provide a quote with a schedule. Then we’ll remove the household goods, sort through what’s to be kept, and dispose of the rest at the appropriate recycling facility. Finally, we’ll leave the property clean and ready for rent.