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DirectoryConstruction & ArchitectureCivil EngineeringBiel/BienneBau4U AG
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Bau4U AG

Summary

About the company

Bau4U AG is a construction company providing pipeline construction, civil and roadworks, and trenchless pipe installation (pipe jacking and horizontal drilling). Its services cover gas, water and wastewater pipelines, trenchless sewer rehabilitation using liner methods, and site development and surface works including asphalt repairs. The company also offers leak testing, manhole rehabilitation and other localized repair techniques.

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Products & services

Industry:Civil Engineering
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Pipeline construction
Gas, water and wastewater pipes; supply lines for single-family homes up to new transport lines, using pipes made of PE, cast iron and stainless steel.
Civil and road construction
Excavating trenches, building or redesigning access roads and forecourts, asphalt repairs and resurfacing for entire road sections.
Trenchless pipe construction
Pipe jacking and horizontal drilling with flushing for underground installation of pipelines without open trenches, including under roads, railways and waterways.
Sewer rehabilitation with inliner methods
Trenchless rehabilitation and maintenance of house connection lines and sewers; hose lining, point lining, Pointhat method, leak-tightness tests and manhole rehabilitation.
Reviews

Aggregated rating

Aggregated rating
4.5
of 5

Aggregated from 19 reviews across all connected sources

Sources
GGoogle4.519
★TrustpilotSoon
PProvenExpertSoon

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Location

Längfeldweg 50
2504 Biel/Bienne
Opening hours
Mon
07:00 - 12:00, 13:00 - 17:00
Tue
07:00 - 12:00, 13:00 - 17:00
Wed
07:00 - 12:00, 13:00 - 17:00
Thu
07:00 - 12:00, 13:00 - 17:00
Fri
07:00 - 12:00, 13:00 - 17:00
Sat
Closed
Sun
Closed

At a glance

Legal form
Corporation
UID
CHE-114.738.839
Founded
2009 · 17 years
Last commercial register change
July 25, 2025
Employees
21 to 50

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