From planning to invoicing and project management, fully automated at a low price.
Schedule tasks, calculate routes and direct staff from a single overview.
Automatically create invoices from orders. VAT, PDF and email in one click.
Data flows automatically through the system — from quote to invoice, no double entry.
Trusted by 500+ companies in the Netherlands
Designed for European SMEs. Simple to use, powerful in capabilities.
From quote to invoice: all processes connected in one clear environment.
Fully responsive — work from the office, on the road or on site.
Data stored on European servers. Fully GDPR-compliant.
Live insight into revenue, planning and progress. Export to Excel, PDF or CSV.
All functionality immediately available. Upgrade to a larger plan as you grow.
Support in your own language, directly reachable. No ticket system, just call.
All functionality available immediately. Every component works seamlessly with the rest.
No lengthy implementation. No IT department needed. Just start.
Register for free and start using all features immediately. No credit card required.
Enter your company details, employees and articles. Our onboarding wizard guides you step by step.
Create your first order, schedule tasks and send invoices. Everything works together immediately.
No credit card needed. No hidden fees. Cancel anytime.
Try free for 14 daysAlready over 500 companies joined
"Finally one system for all our processes. We save hours of admin every week and always have insight into our planning."
"The link between orders, planning and invoicing is worth gold. No more double entry. Our revenue has visibly risen because we invoice faster."
"Perfect software for our construction company. The route planning map and CO2 reporting are a real plus. Support is great too!"
All modules included in every plan. Choose based on users, storage and support. Cancel monthly.
For the independent entrepreneur.
For small teams with growth ambitions.
Complete SME solution for the entire team.
Own VPS, custom work, everything unlimited.
ON1 is broadly applicable and used by installation companies, contractors, painting companies, landscapers, transport companies and more. Modules are flexibly configurable per company.
No. ON1 is fully cloud-based. You work via the browser — on PC, tablet or smartphone. No installation, no updates, always the latest version.
Yes. We offer an import function for customers, articles and orders via CSV/Excel. Our team helps with migration if needed.
Your data is on secure European servers. All connections are encrypted (SSL/TLS). We are fully GDPR-compliant and make daily backups.
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ON1 – All-in-one business software · 14-day free trial