Your construction partner since 1998

We build
your Dreams
into reality

From planning to completion – A1 Bau stands for top-quality workmanship, on-time delivery and transparent communication.

Consultation Our Projects
25+
Years of Experience
500+
Projects Completed
98%
Client Satisfaction
120
Skilled Workers
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Our Services

What We Build for You

End-to-end solutions – from planning to key handover

Structural Engineering

Residential and commercial buildings of the highest standard – turnkey and on schedule.

Civil Engineering

Foundations, drainage, road construction – a solid base for every project.

Renovation

Modernisation and refurbishment of existing buildings with minimal disruption.

Project Development

Comprehensive support from land acquisition to building permit.

Refurbishment

Energy refurbishment and heritage conservation – we know the requirements.

Technical Fit-out

HVAC, electrical, heating and plumbing – everything from a single source.

Latest Projects

Our Most Recent Work

All Projects
Neubau Wohnkomplex Berlin Mitte abgeschlossen
26.05.2026

Neubau Wohnkomplex Berlin Mitte abgeschlossen

Nach 18 Monaten Bauzeit haben wir den modernen Wohnkomplex mit 120 Einheiten erfolgreich fertiggestellt.

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Gewerbekomplex Hamburg: Erdarbeiten gestartet
26.05.2026

Gewerbekomplex Hamburg: Erdarbeiten gestartet

Die Erdarbeiten für den neuen Gewerbekomplex im Hamburger Hafen haben planmäßig begonnen.

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Ready for your next construction project?

Contact us today for a no-obligation consultation and a free quote.

Get in touch +49 30 123456789
Why A1 Bau?

Your trust – our commitment

A1 Bau GmbH ist ein führendes Bauunternehmen mit über 25 Jahren Erfahrung in Hoch- und Tiefbau, Renovierung und Projektentwicklung. Wir stehen für Qualität, Zuverlässigkeit und Innovation.

More about us
Certified Quality

All work complies with current DIN standards and building regulations.

On-Time Delivery

We keep our promises – punctual and reliable.

Transparent Pricing

No hidden costs – clear calculations from the start.

24/7 Availability

Your personal contact is always there for you.