Construction Software for GAEB Data Exchange

Welcome to gaeb-online, a leading provider of Excel-based solutions for data exchange in the construction industry.

The GAEB standard is the optimal choice for data exchange in construction. GAEB-Online 2025 makes handling GAEB files simple — whether converting formats or editing content. The user-friendly interface ensures smooth operation, eliminating tedious manual conversion.

We are a small company with big ambitions. Our goal is to offer the best software for bid calculations, with an emphasis on user-friendly, intuitive operation — nearly no prior knowledge required.

Finally: Edit with Excel and Word

Want to process a GAEB file (e.g. an X83 bid request) using your familiar Office tools — Excel, Word, OpenOffice, or LibreOffice? With GAEB-Online 2025, you perform your bid calculations in the Office environment. Fast and easy. Supports GAEB 90, GAEB 2000, and GAEB XML 3.3. Submit bids digitally in DA84 format.

Easy Conversion

Convert Excel to GAEB or GAEB to Excel. Transform bill-of-quantities or product descriptions from an Excel spreadsheet into GAEB formats like GAEB DA83.

Easily Modify GAEB Files

GAEB-Online 2025 is the ideal solution for editing quantities, units, and descriptions in GAEB files. Open a file with a single click and switch to edit mode. For GAEB XML files, long text can be freely formatted while the file structure remains intact.

Digitally Sign Bids

GAEB-Online 2025 lets you define digital signatures once and reuse them at any time. Create bids as PDF with scanned or digital signatures quickly and securely.

The Bid Assistant lets you generate a bid as PDF or GAEB DA84, then share it via email or a Microsoft OneDrive link — streamlining your entire bid workflow.

Measurements as DA11 or GAEB X31

Create construction measurements in Excel with free formulas per REB 23.003 using the Excel Measurement extension. Export electronic measurements to DA11 (1979 or 2009 edition) or GAEB X31.

E-Invoices as GAEB X89 and XRechnung

With the Excel Measurement XRechnung extension, create e-invoices in GAEB X89 or XRechnung 3.0 format directly from Microsoft Excel — easy invoicing for authorities and clients.

Our Experience, Your Advantage

GAEB-Online 2025 has been a trusted GAEB construction software solution for two decades, helping contractors and planners create bids and calculations. More than 5,000 customers rely on it.