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Company · Civil infrastructure contractors

SONNTAG Bau

As of 2 November 2026, SONNTAG Bau has 9 open roles (0 new in 30 days), its construction and civil team is hiring most, and its postings do not name a tool yet.

As of 2 November 2026 · refreshed daily · counts move as websites, DNS and career sites are re-read.

Dörth, Germany501-1000 employees50M-250M revenue, est.B2Bsonntag-bau.com ↗LinkedIn ↗
Headquarters
Dörth, Rheinland-Pfalz, Germany
Employees
501-1000 employees (linkedin)
Sells to
infrastructure developers, municipalities, utility companies
Certifications on site
ISO 9001
Site languages
DE, EN, FR
Career system
Ownsite_html
9open roles · 0 new in 30 days
0tools named in postings
hiring locations
0change signals read in postings
02What they do, whom they sell to, who else does it

SONNTAG Bau in one screen

Read from sonntag-bau.com: what the company does, the customers it names, the buyers we can actually see, and the companies that sell the same thing.

What SONNTAG Bau does

SONNTAG Bau is a construction company that performs pipe jacking, microtunneling, trenchless construction, and civil engineering for infrastructure projects. Its offerings include pipe jacking, direct pipe, pipe eating, tunnel construction, pipe laying, and waste disposal technology. The company has over 90 years of experience and operates from two locations.

pipe jackingmicrotunnelingdirect pipepipe eatingtunnel constructionpipe layingwaste disposal technologytechnical development
Whom it sells to

Named on the site: infrastructure developers, municipalities, utility companies.

Who else sells this

Nearest companies by what they do, sell and whom they serve, 51+ employees. 577 scored.

pato.itItaly · 51-200 employeesBotharAustralia · 501-1000 employeesLORENZ BAU GmbHGermany · 51-200 employeesGrund- und Tiefbau AG BaselSwitzerland · 51-200 employeesHock Hai Civil Engineering & Building Pte LtdUnited States · 51-200 employeesSTEIN Ingenieure GmbHGermany · 51-200 employees
03Tech stack, with the evidence

What SONNTAG Bau 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.

On the website or in DNS

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

Matomoseen on sonntag-bau.com
04Hiring

9 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 construction and civil in Germany →

Open roles by team
open · new 30 d
Construction and civil
3 · 0
Skilled trades and field service
3 · 0
Engineering (non-software)
2 · 0
Administration & office
1 · 0
Newest postings
Land- und Baumaschinen­mechatroniker (m/w/d) · Skilled trades and field service · heavy vehicle and equipment mechanics · EntryBauingenieur - duales Studium (m/w/d) · Engineering (non-software) · civil and structural engineering · Trainee, apprenticeMechatroniker oder Metallbauer - Fachrichtg. Konstruktionstechnik (m/w/d) · Skilled trades and field service · metal fabrication and fitting · EntryBaugeräteführer (m/w/d) · Construction and civil · heavy equipment crane and drill operation · EntryBauzeichner (m/w/d) · Engineering (non-software) · drafting cad and bim · EntryElektroniker (m/w/d) · Skilled trades and field service · electrician · EntryBeton- und Stahlbetonbauer (m/w/d) · Construction and civil · masonry concrete and structural trades · EntryStraßenbauer (m/w/d) · Construction and civil · construction labour and groundworks · Entry
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 SONNTAG Bau, with verified e-mails, and every change the moment it is posted.

Sales, marketing and IT leaders by function. Add SONNTAG Bau to a monitor and get a webhook when a role opens, a tool appears or a signal is read.

Get the full list Watch SONNTAG Bau

Start free, no card. The first 20 are above; e-mails are verified at the mail server when you open them.

06Lookalikes

Companies like SONNTAG Bau

Nearest by what they do, what they sell and whom they sell to, 51+ employees. 6 of 577 scored.

pato.itCivil infrastructure contractors · Italy51-200 employees
BotharCivil infrastructure contractors · Australia501-1000 employees
LORENZ BAU GmbHCivil infrastructure contractors · Germany51-200 employees
Grund- und Tiefbau AG BaselCivil infrastructure contractors · Switzerland51-200 employees
Hock Hai Civil Engineering & Building Pte LtdCivil infrastructure contractors · United States51-200 employees
STEIN Ingenieure GmbHCivil structural engineering · Germany51-200 employees
07Profile

From the company's own website

Legal nameCo. KG
IndustryProperty & construction · Civil infrastructure contractors
Offeringspipe jacking · microtunneling · direct pipe · pipe eating · tunnel construction · pipe laying · waste disposal technology · technical development
Target customersinfrastructure developers · municipalities · utility companies
Geographic scopeinternational · also Austria
Reviews found
Public contact points2 role addresses · 2 phone numbers
Pages readprivacy, terms, team, home, imprint, contact, careers, references, about, certifications
Datescrawled 2026-09-25 · profiled 2026-09-26 · 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.

SONNTAG Bau (Dörth, Germany, 501-1000 employees) has 9 open roles, 0 new in 30 days, and names 0 tools in its postings. (Breaknorm, 2 November 2026, https://breaknorm.co/company/sonntag-bau.com)
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 sonntag-bau.com: 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.
FAQ

SONNTAG Bau: questions

Is SONNTAG Bau hiring?

9 open roles as of 2 November 2026, 0 opened in the last 30 days and 0 closed. The largest team hiring is construction and civil.

Where does this profile come from?

From sonntag-bau.com itself: we crawled it on 2026-09-25, built the profile on 2026-09-26, and read its career site (Ownsite_html) hourly since. Headcount is from LinkedIn.

Who should I write to at SONNTAG Bau?

The people are behind the login: decision makers by function, verified at the mail server when you open them. 2 public role addresses from the site are there too.

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