1Tool Suite
Your whole business in one software
Contacts, quotes, projects, time tracking and invoices – as simple as an app, with reports at the push of a button.

4.6 out of 5in customer reviews
over 2,000organisations work with 1Tool
One contact. Everything at a glance.
Every opportunity, project, quote and invoice for a customer in one place – no searching through five programs.
- The menu shows only the modules you booked
- Every list with search, filters and your own columns
- In 12 languages, with a manual for every page

From the first call to the paid invoice
What is recorded once flows on. Nobody types anything twice.
Customer and opportunity
The prospect becomes a contact, the enquiry an opportunity with value and stage.
Sample data. All companies, people and amounts are fictional.

Know how your business is doing – today
Revenue, projects and sales live, not when your accountant sends the figures.
Invoice report
Revenue, paid and open invoices over twelve months, plus payment time and payment rate – and further tabs by customer, industry, site and employee.
Sample data. All companies, people and amounts are fictional.

Fits what you already have
Accounting, Microsoft 365, bank and shop are connected. Your data stays in Austria.
Accounting & ERP
- BMD
- DATEV
- RZL
- SAP
Microsoft & e-mail
- Microsoft 365 calendar
- Outlook plugin
- Thunderbird plugin
- CalDAV/CardDAV
Bank & invoicing
- Bank reconciliation
- SEPA direct debit
- E-invoice (ZUGFeRD/XRechnung)
- WooCommerce
Technology
- REST API
- SAML sign-in
- MCP server for AI
30+ modules. You only pay for what you use.
Start with contacts and invoices and add projects, time tracking or inventory when you are ready.
Marketing & Sales
Accounting & Controlling
Merchandise management & store
Organization & Service

The same system in the office and on site
The 1Tool App and 1Tool Field bring customers, orders and time tracking to the phone – with the same data as in the office.
See 1Tool Field
"Thanks to 1Tool, Post AG has a mobile ticket system for handling vehicle damage. It simplifies communication with the fleet workshops and saves costs."
Frequently asked questions
How long does the rollout take?
You can work with contacts and invoices on day one. Add further modules when you are ready – we help with the setup.
Can we take over our data?
Yes. We import contacts, products and open items from spreadsheets or your current program.
Where is our data stored?
In a data centre in Austria, GDPR-compliant.
How long am I committed?
You pay per user and module, cancellable monthly.
Do my employees need training?
Hardly. Every page has a manual, and anyone who can use e-mail finds their way in 1Tool.
What does 1Tool cost?
Per module and user – the price calculator works out the exact price.
See 1Tool on your own business
Thirty minutes on screen – or try it yourself for free right away.