Quotes, projects, invoices and Peppol in one single tool
When everything is scattered, your business **slows down**
Between quotes, signatures, client exchanges, projects, invoices and payments, many businesses waste time re-entering, searching, chasing and checking.
Information is scattered everywhere
A quote goes out by email, the signature comes back elsewhere, exchanges stay in WhatsApp, and the invoice goes into yet another tool.
The project moves forward, admin falls behind
What happens on the ground isn't always properly reflected in tracking, documents or invoicing.
Visibility is lacking
Hard to quickly know what's been sent, signed, invoiced, paid or still pending.
Compliance adds pressure
With new requirements and evolving practices in Belgium, management must become more structured without becoming heavier.
NELIOX brings everything **into one place**
A platform designed to help technical construction businesses regain a simpler, cleaner and more controlled flow — from quote to payment.
Sell
Create cleaner quotes, send them quickly, centralize exchanges and facilitate signing.
Manage
Keep a clearer view of your projects, interventions, milestones and what still needs to move forward.
Invoice
Better structure your invoices, deposits, reminders and payments to stay in control without extra handling.
Secure
Work with better traceability, clear roles, reliable history and calmer access management.
Built for technical businesses that want to **save time** without losing control
NELIOX is designed for businesses that manage client relationships, documents, fieldwork and invoicing — without an oversized back office.
HVAC professionals
For businesses juggling quotes, interventions, installations, maintenance and client tracking.
Technical installers
For businesses that need a clearer framework between sales, execution, acceptance and invoicing.
Maintenance & renovation
For SMEs that want to better organize their documents, operations and financial flows daily.
Workflows built for **reality**, not just for demos
From quote to signature
Prepare your offer, send it cleanly, track its status and get validation in a more structured framework.
From project to tracking
Centralize useful information, maintain a clearer history and keep better continuity between field and admin.
From invoice to payment
Issue, track and organize your financial flows with better visibility on what's paid, expected or needs follow-up.
From organization to compliance
Build on a cleaner foundation to work in a framework better suited to the Belgian context, including Peppol.
Why NELIOX is **different**
Built for Belgium
NELIOX isn't a generic tool loosely translated. The platform is designed for the practices, constraints and operational realities of Belgian construction SMEs.
Built for the field
The product doesn't stop at quotes and invoices. It also connects the concrete stages of activity, from operational tracking to key documents.
Modern without becoming complex
The goal isn't to add complexity. NELIOX aims for a clearer, faster and more pleasant experience every day.
Structured to grow with you
You can start with the essentials, then progressively expand your usage at the pace of your business.
Built seriously **from the start**
NELIOX is designed as a real working foundation for businesses that want more reliable, structured and lasting management.
Role and access management
History and traceability
Centralized organization
Modular approach
Modern experience
A platform more aligned with **Belgian reality**
Business expectations are evolving, and so are obligations. NELIOX helps you structure your management in a more modern, coherent framework better suited to the current Belgian context.
More structured management
Centralize documents, tracking and invoicing in a more coherent environment.
Better continuity
Avoid breaks between what's sold, delivered and invoiced.
A framework ready to evolve
Adopt a cleaner foundation to support the evolution of your business and obligations.
Belgium-ready
Belgian VAT, Peppol, structured invoicing, document workflows and local practices — built in from the start.
Fewer scattered tools. More clarity. **More control.**
NELIOX starts from a simple belief: technical construction businesses deserve better than rigid, generic or fragmented software. We're building a platform that helps sell better, track better and invoice better — with a more modern experience and logic closer to the field.
Frequently asked **questions**
Who is NELIOX for?
NELIOX is primarily for technical construction businesses in Belgium, including HVAC professionals, technical installers, maintenance companies and renovation SMEs.
Does NELIOX replace multiple tools?
Yes, the goal is precisely to reduce the scatter between documents, operational tracking, invoicing and certain needs linked to the Belgian context.
Does NELIOX support Peppol?
NELIOX is designed to fit into a more structured management approach suited to the Belgian market, including Peppol.
Can I start simple?
Yes. The idea is to enable progressive adoption, starting with the most useful features.
Is NELIOX available yet?
The launch is happening progressively. The waitlist lets you be notified first and access the next openings.
How do I join the waitlist?
Simply leave your email address to receive upcoming information and early access.
Take back control of your quotes, projects and invoices
Join construction professionals preparing for Peppol and mandatory e-invoicing in Belgium.
Priority access. Launch pricing. Zero commitment.