Koster & Co
As of 3 November 2026, Koster & Co has 2 open roles (0 new in 30 days), its facilities cleaning and security team is hiring most, and its postings do not name a tool yet.
As of 3 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.
- Headquarters
- Zierikzee, Zeeland, Netherlands
- Employees
- 51-200 employees (linkedin)
- Sells to
- homes, companies, residential and commercial clients
- Certifications on site
- Site languages
- NL
- Career system
- Ownsite_html
Koster & Co in one screen
Read from kosterco.nl: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.
Koster & Co is a cleaning service company that provides cleaning for both homes and businesses across the Netherlands. Its offerings include regular cleaning, window cleaning, specialist cleaning, laundry service, and disaster cleaning. The company describes itself as a versatile and reliable cleaning business.
Named on the site: homes, companies, residential and commercial clients.
Nearest companies by what they do, sell and whom they serve, 51+ employees. 592 scored.
What Koster & Co says it runs
Tools named in the company's own postings as the team's systems, with the sentence that says so. What the website and DNS show is listed separately.
Vendors whose code loads on kosterco.nl or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.
2 open roles, 0 opened in 90 days
Read hourly from the company's career system. Open roles and new roles in the last 30 days, by team. Companies hiring facilities cleaning and security in Netherlands →
| open · new 30 d | |
|---|---|
| Facilities cleaning and security | 2 · 0 |
What is changing, read from the postings
Intents are events the employer states about itself, each with the sentence and the posting it came from.
No change signals read in the current postings.
Sales, marketing and IT leaders by function. Add Koster & Co to a monitor and get a webhook when a role opens, a tool appears or a signal is read.
Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.
Companies like Koster & Co
Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 592 scored.
From the company's own website
Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.
Koster & Co (Zierikzee, Netherlands, 51-200 employees) has 2 open roles, 0 new in 30 days, and names 0 tools in its postings. (Breaknorm, 3 November 2026, https://breaknorm.co/company/kosterco.nl)
Read from the source, not self-reported
Every number on this page can be traced to a page we crawled or a posting we read. Full methodology →
- ProfileBuilt from kosterco.nl: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
- HiringRead hourly from the company's Ownsite_html career site; reposts collapse into one record.
- Tech stackTools the employer's own text names as the team's systems, with the quote; website scripts counted separately.
- HeadcountLinkedIn where known, otherwise estimated from the site.
Koster & Co: questions
Is Koster & Co hiring?
2 open roles as of 3 November 2026, 0 opened in the last 30 days and 0 closed. The largest team hiring is facilities cleaning and security.
Where does this profile come from?
From kosterco.nl itself: we crawled it on 2026-08-02, built the profile on 2026-08-16, and read its career site (Ownsite_html) hourly since. Headcount is from LinkedIn.
Who should I write to at Koster & Co?
The people are behind the login: decision makers by function, verified at the mail server when you open them. 1 public role addresses from the site are there too.
Get this company your way
The same data as a search, over MCP and the API, as bulk files, or pushed to you as it changes.
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