
Record project hours, process payments and transfer invoices directly to Lexware Office
With SaaS.de, you can record working hours directly against clients and projects, bill for services rendered and generate invoices from this data. Via the interface to Lexware Office, you can transfer completed invoices directly to your accounts department.
From project time to accounts –
makes it simple and eliminates the need for double data entry.
Smartly combining time tracking, project billing and bookkeeping
With SaaS.de, you can keep track of the entire process, from recorded working hours right through to the final invoice.
Staff record their working hours directly against projects. The recorded work is then available for project billing. You create the invoice directly in SaaS.de and transfer it to Lexware Office via the interface.
This allows you to integrate your operational project work with your bookkeeping and avoid having to re-enter invoice data manually.

How the connection with Lexware Office works

1. Recording project hours
Staff record their working hours and output directly against clients and projects.

2. Invoicing projects
The recorded project hours form the basis for invoicing.

3. Create invoices
You can create your invoices directly in SaaS.de based on the project times and services.

4. Transfer to Lexware Office
The completed invoice is transferred directly to Lexware Office, where it is available for further accounting processing.
Your benefits at a glance
Your benefits at a glance

No need to enter data twice
Invoice data does not need to be re-entered in Lexware Office.

Invoice project hours directly
Recorded project hours and services can be used directly for invoicing.

Less manual work
Reduced data entry and avoidance of errors in billing.

Everything in the right system
Project times and services are stored in SaaS.de. The invoices are available in Lexware Office for accounting purposes.
Figures that speak for themselves – real-world results
Hundreds of companies – from SMEs to international corporations, across every continent – rely on SaaS.de every day.
Here’s a look at the real-world results:

Projects successfully managed
Teams work more transparently and efficiently, and keep deadlines under control.
Time entries recorded
No more paper clutter – all working hours are securely documented digitally.
Absences managed in accordance with the GDPR
Reliable data for tax advisers and managers – legally compliant and accessible at any time.
Shifts organised digitally
Less Excel chaos, more clarity and planning certainty for everyone involved.
More than just project accounting
SaaS.de HR – the modular solution for your HR management
SaaS.de supports businesses with more than just project time tracking and invoicing. Depending on your needs, you can utilise additional features:
- Time and attendance tracking and overtime
- Holiday and absence management
- Project time tracking and project management
- Project accounting and invoicing
- Travel expenses
- Digital personnel files
- Apps for iOS and Android
The individual modules are interlinked and can be deployed to suit your organisation’s requirements.
Prerequisites
To use the interface, you will need a SaaS.de account and a Lexware Office account.
The connection between SaaS.de and Lexware Office is set up once. Afterwards, invoices created in SaaS.de can be transferred directly to Lexware Office.
From working hours to bookkeeping
Record project hours where they are worked, invoice your projects in SaaS.de and transfer completed invoices directly to Lexware Office.
Record once. Invoice straight away. Transfer easily.
✔️·Nocredit card required ✔️·Noautomatic renewal ✔️·100%risk-free
Over 600 companies rely on SaaS.de
Whether you have 5, 50 or 50,000 staff
SaaS.de grows with your business – whilst always remaining simple, secure and efficient. From tax practice to IT companies – SaaS.de adapts to your requirements!
Ready to combine project time tracking and bookkeeping?
Try it online NOW
Data security from Germany – hosted on EGOTEC⋅AG’s ISO 27001:2022-certified infrastructure.
Take advantage
- No credit card required
- Try it online for 14 days free of charge
- 100% risk-free
- Get a bonus when you place your order
(€300 set-up fee)
81 Pfalzgraf-Otto-Straße
74821 Mosbach
Mon–Fri: 8.00 am – 4.00 pm



















































































