HassoluxHassolux blog · Knowledge for your business
Practical workflows for GAEB files, German e-invoices, incoming documents, working hours and construction projects.
For site and office
Organise projects, appointments, invoices and team time in one shared workspace.
Web price including applicable taxes. Starter for 2 users.
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From the first project to the final invoice: choose the area that helps with your next step.
Quotations and invoices · 2 min
Turn measurements into understandable line items, check quantities and costs, and review the PDF before issuing.
Read articleQuotations and invoices · 3 min
Identify the error, preserve the original reference and review corrections, actual payments and the structured output.
Read articleQuotations and invoices · 3 min
Review cumulative work, previous invoices and actual receipts without double-counting or treating deductions as payments.
Read articleE-invoicing · 3 min
Separate receiving and issuing obligations, review German B2B transition rules and prepare the office workflow.
Read articleE-invoicing · 3 min
Compare XML and hybrid PDF invoices, recipient requirements and the checks needed on the actual issued file.
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Accounting preparation · 3 min
Collect originals, check invoices, allocate actual payments and confirm a complete handover to your accountant.
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Incoming documents · 3 min
Upload PDFs, synchronise connected mailboxes, review recognised data and match suppliers and bank transactions.
Read articleQuotations and invoices · 2 min
Choose the right document type, check the customer and items, and distinguish drafts, issued documents and payments.
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Time tracking · 3 min
Clock in, change projects, add missing time and check working periods, breaks and saved assignments.
Read articleTime tracking · 2 min
Set common rules for working periods, breaks, project changes, review and transparent use of employee information.
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Site documentation · 2 min
Name, describe and upload construction photos, check visibility and confirm that the saved files can be opened.
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Project management · 2 min
Review work, open matters, files, time entries and commercial records before setting the project to completed.
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Calendar · 2 min
Give construction appointments a project, place and participants, then review series, imports and actual changes.
Read articleProject management · 2 min
Bring decisions, responsibilities and records together so site and office can find the current information.
Read articleSite documentation · 2 min
Add location, date, explanation and next action to photos and records so other authorised people can understand them later.
Read articleGAEB & bills of quantities · 3 min
Choose the right source and check the project, sections, item references, quantities and required bidder information.
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GAEB & bills of quantities · 3 min
Understand sections, item references, long descriptions, quantity units and the bidder information required by the source.
Read articleGAEB & bills of quantities · 3 min
Check the extension, archive, exchange phase, original download and exact import error without changing the source.
Read articleGAEB & bills of quantities · 2 min
Review the right source, saved prices, company details, logo and purchase address, and handle an uncertain payment state carefully.
Read articleGAEB & bills of quantities · 2 min
Check the document sender, prepare a readable logo and distinguish these details from the purchase billing address.
Read articleGAEB & bills of quantities · 2 min
Keep unfinished unit prices identifiable and read partial totals correctly before sharing a working PDF.
Read articleGAEB & bills of quantities · 2 min
Open a D83 source, add prices and company details, and understand why a readable PDF does not replace a D84 offer return.
Read articleGAEB & bills of quantities · 2 min
Use a worked example to enter net unit prices without confusing a line total, a missing price or a deliberate zero.
Read articleGAEB & bills of quantities · 2 min
Review X83 or D83 items, enter unit prices, add company details and logo, then check the document and checkout.
Read articleSupplier enquiries · 2 min
Check offered coverage, units, alternatives, freight and lead times before taking material costs into your calculation.
Read articleSupplier enquiries · 3 min
Distinguish invitations to tender, structured offer returns and readable PDFs, then choose the client's required output.
Read articleSupplier enquiries · 3 min
Import X83 or D83, choose materials per supplier, review attachments and compare submitted prices before calculation.
Read articleAn invoice arrives by email, a site has missing time entries and a supplier is waiting for the items to price. These guides explain the steps, checks and next links for each task.
Learn to open X83 and D83, read a bill of quantities and investigate an import problem. Then load a supported source in the GAEB editor.
The full walkthrough connects prices, company details and output. Explore X83 unit prices, D83 and PDF, missing prices, company details and logo and the final checkout review.
Organise site photos and use the project completion checklist. Help, features, plans and quick answers provide the next steps. Tax and legal explanations concern Germany and cite their sources; they do not automatically apply in another country.
Put it into practice with Hassolux
Choose the tool for your next task, whether a single GAEB document or daily work in your company.
A single bill of quantities
Open X83 and D83, add item prices and company details, and create a clear LV PDF.
For businesses and commercial users only. A clear browser workflow for your bill of quantities.
Edit a GAEB file online →For site and office
Organise projects, calendar, quotations, invoices, incoming documents and team time in one shared workspace.
From €19.90/ month for your company
Web price including applicable taxes. Starter includes 2 user places, Pro 5 and Enterprise 10. New company accounts have a free 14-day trial.
