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Company · Roofing contractors

Holl Flachdachbau

As of 30 October 2026, Holl Flachdachbau has 51 open roles (51 new in 30 days), its construction and civil team is hiring most, and its postings name Microsoft 365, Microsoft SharePoint and Microsoft Exchange as the tools the team works in.

As of 30 October 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Dortmund, Germany501-1000 employees50M-250M revenue, est.B2B, B2Ghollflachdachbau.de ↗LinkedIn ↗
Headquarters
Dortmund, Nordrhein-Westfalen, Germany
Employees
501-1000 employees (linkedin)
Sells to
public authorities, municipalities, sports facilities
Certifications on site
Site languages
DE
Career system
Softgarden
51open roles · 51 new in 30 days
4tools named in postings
Germanyhiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

Holl Flachdachbau in one screen

Read from hollflachdachbau.de: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What Holl Flachdachbau does

Holl Flachdachbau is a flat-roof construction contractor that provides waterproofing, roof gutter work, and green-roof maintenance across Germany. Its offerings include bitumen, film, and liquid-plastic waterproofing, roof edge safety systems, and leak detection. The company operates from 20 locations nationwide with 200,000 completed projects.

bitumen waterproofingfilm waterproofingliquid-plastic waterproofingone-stop-shop service
Whom it sells to

Named on the site: public authorities, municipalities, sports facilities, public libraries, commercial real estate.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 596 scored.

Pilatus Flachdach AGSwitzerland · 51-200 employeesDachdecker EberhardtGermany · 1001-5000 employeesHaselhorstGermany · 51-200 employeesEXETANCHFrance · 51-200 employeesPOLTRADEPoland · 51-200 employeesAlpha GroupFrance · 201-500 employees
03Tech stack, with the evidence

What Holl Flachdachbau 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.

Microsoft 365Construction and civil · high confidence · 16 postings
• Hochwertige technische Ausstattung (Laptop, Office365)
Kalkulator (m/w/d) in Pleidelsheim/Stuttgart · first seen 2026-10-06
Microsoft SharePointIT operations & business systems · high confidence · 1 posting
• Administration, Betreuung und Weiterentwicklung der Microsoft-365-Umgebung mit Schwerpunkt auf Teams (inklusive Telefonie), Exchange und SharePoint.
IT-Koordinator (m/w/d) in Fellbach/Stuttgart · first seen 2026-10-06
Microsoft ExchangeIT operations & business systems · medium confidence · 1 posting
• Administration, Betreuung und Weiterentwicklung der Microsoft-365-Umgebung mit Schwerpunkt auf Teams (inklusive Telefonie), Exchange und SharePoint.
IT-Koordinator (m/w/d) in Fellbach/Stuttgart · first seen 2026-10-06
Microsoft TeamsIT operations & business systems · medium confidence · 1 posting
• Administration, Betreuung und Weiterentwicklung der Microsoft-365-Umgebung mit Schwerpunkt auf Teams (inklusive Telefonie), Exchange und SharePoint.
IT-Koordinator (m/w/d) in Fellbach/Stuttgart · first seen 2026-10-06
On the website or in DNS

Vendors whose code loads on hollflachdachbau.de or whose records sit in its DNS. Page plumbing (libraries, fonts, consent banners) is left out.

azure_dnsseen on hollflachdachbau.de
exclaimerseen on hollflachdachbau.de
haufe_umantisseen on hollflachdachbau.de
hornetsecurityseen on hollflachdachbau.de
Microsoft 365seen on hollflachdachbau.de
Sophosseen on hollflachdachbau.de
04Hiring

51 open roles, 51 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 construction and civil in Germany →

05Signals

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.

Decision makers at Holl Flachdachbau, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add Holl Flachdachbau 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.

06Lookalikes

Companies like Holl Flachdachbau

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 596 scored.

Pilatus Flachdach AGRoofing contractors · Switzerland51-200 employees
Dachdecker EberhardtRoofing contractors · Germany1001-5000 employees
HaselhorstRoofing contractors · Germany51-200 employees
EXETANCHWaterproofing contractors · France51-200 employees
POLTRADEWaterproofing contractors · Poland51-200 employees
Alpha GroupWaterproofing contractors · France201-500 employees
07Profile

From the company's own website

Legal nameHoll Flachdachbau
IndustryProperty & construction · Roofing contractors
Offeringsbitumen waterproofing · film waterproofing · liquid-plastic waterproofing · one-stop-shop service
Target customerspublic authorities · municipalities · sports facilities · public libraries · commercial real estate
Geographic scopenational · also Austria
Reviews found
Public contact points5 role addresses · 3 phone numbers
Pages readprivacy, locations, home, imprint, contact, references, about, services, leadership
Datescrawled 2026-07-26 · profiled 2026-08-15 · hiring built 2026-10-27
Cite this

Quote the sentence with the date and the link. The numbers change daily; the link always shows the current ones.

Holl Flachdachbau (Dortmund, Germany, 501-1000 employees) has 51 open roles, 51 new in 30 days, and names 4 tools in its postings. (Breaknorm, 30 October 2026, https://breaknorm.co/company/hollflachdachbau.de)
How we know

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 hollflachdachbau.de: summary, offerings, customers, certifications and contact points are extracted from its pages, with a confidence score per field.
  • HiringRead hourly from the company's Softgarden 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.
FAQ

Holl Flachdachbau: questions

Does Holl Flachdachbau use Microsoft 365?

Yes, by the company's own words: 16 postings name it, first seen 2026-10-06, in the construction and civil team.

Is Holl Flachdachbau hiring?

51 open roles as of 30 October 2026, 51 opened in the last 30 days and 0 closed. The largest team hiring is construction and civil.

Where does this profile come from?

From hollflachdachbau.de itself: we crawled it on 2026-07-26, built the profile on 2026-08-15, and read its career site (Softgarden) hourly since. Headcount is from LinkedIn.

Who should I write to at Holl Flachdachbau?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 5 public role addresses from the site are there too.

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