NumNum
NumNum is a Belgian cloud-based SaaS platform that provides e-invoicing, Peppol integration, quote generation, expense tracking, and supplier catalogue integration for self-employed professionals, freelancers, and small trades businesses in Belgium, sold via a tiered subscription model (Milly, Billy, Trilly) and an accountant partner program.
- Company typePrivate
- Founded2020
- HeadquartersKoksijde, Belgium
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What NumNum does
NumNum is a Belgian software-as-a-service company (Num•Num BV, headquartered in Koksijde, Belgium) that provides a cloud-based e-invoicing and administration platform aimed at Belgian self-employed professionals, freelancers, and small trades businesses. The product is delivered as a web application with mobile-responsive access and offers invoicing (including Peppol e-invoicing in UBL format), quote generation, expense tracking, customer management, time and product registration, project management, recurring invoicing, automated payment reminders, and invoice read receipts. The company's flagship differentiator is the Material Platform, which integrates directly with the product catalogues of more than 15 Belgian wholesalers and rental suppliers (Cebeo, Van Marcke, Facq, Rexel, Groep Verhelst, Würth, Bosspaints, Sigma, Desco, STG, and others), allowing users to import products, prices, and quantities into quotes and invoices without manual entry. The product also integrates with the full Belgian accounting software stack (Yuki, Clearfacts, Octopus, Expert/M, WinBooks, Exact Online, Sage, Wings, Adsolut), the Peppol e-invoicing network, the EU VIES database, Ponto banking, Shopify, Salesforce, and Billtobox, with an Invoice Webhook REST API available to top-tier subscribers.
NumNum operates a tiered subscription model — Milly at €3.99 per month (max 30 invoices per year), Billy as a mid-tier, and Trilly as the premium tier bundling the Material Platform and the webhook API — sold primarily through self-serve product-led growth (14-day free trial) with an additional accountant/IT partner and reseller program that supports white-label deployment to small business clients. The company is privately held, bootstrapped, founder-operated, and serves a single country market (Belgium) with a 1-10 person team. NumNum is positioning for the Belgian 2026 mandatory B2B e-invoicing deadline and is investing in regulatory-compliance content marketing, Peppol network participation, and supplier catalogue expansion as primary growth levers.
NumNum firmographics
Firmographics- Name
- NumNum
- Legal name
- Num•Num BV
- Website
- https://numnum.be
- Company type
- Private
- Founded year
- 2020
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- NumNum is a Belgian cloud-based SaaS platform that provides e-invoicing, Peppol integration, quote generation, expense tracking, and supplier catalogue integration for self-employed professionals, freelancers, and small trades businesses in Belgium, sold via a tiered subscription model (Milly, Billy, Trilly) and an accountant partner program.
- Ownership category
- akta.pro rank
Where NumNum is headquartered
LocationHeadquarters
- HQ city
- Koksijde
- HQ country
- Belgium
- HQ region
- Europe
Offices1 record
Markets served
NumNum business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Marketing or Sales, Infrastructure, Operations
Revenue model
- SaaS Subscription (Software-as-a-Service): Monthly or annual subscription plans with tiered pricing based on invoice volume and feature access. Tiers include Milly (low-volume, max 30 invoices/year), Billy (mid-tier), and Trilly (full-featured top tier). The Material Platform is included with Trilly and available as an add-on with Billy. Pricing is per company account, with optional multi-user seat additions.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Monthly | Milly — Entry tier for low-volume users (under 30 invoices per year) |
| Subscription | Annual | Billy — Mid-tier with Material Platform add-on option |
| Subscription | Annual | Trilly — Full-featured top tier with Material Platform and Webhook API included |
Go-to-market motion3 records
Distribution channels3 records
Marketing channels7 records
NumNum product offering
Product offeringCore offering
NumNum is a Belgian cloud-based e-invoicing and administration platform for self-employed professionals and small businesses. It enables users to create, send and track invoices and quotes (including via the Peppol network in UBL format), manage expenses, customers and projects, and register time and materials through a web application and mobile companion. The product is sold on a tiered subscription basis (Milly, Billy, Trilly) and includes a Material Platform that integrates supplier product catalogs directly into invoicing and quote workflows.
Product overview
NumNum is a Belgian e-invoicing and administration platform for self-employed professionals and SMEs, offering a unified product portfolio centered on the NumNum Core Platform. The platform provides invoicing via Peppol, quote generation, expense tracking, customer management, time/product registration, and project management as core features. The platform operates on a tiered licensing model (Milly for under 30 invoices/year, Billy as mid-tier, and Trilly as premium) with an optional Material Platform addon for supplier catalog integration. Key differentiators include real-time invoice read receipts, automatic payment reminders, recurring invoices, and supplier shopping basket imports. The Trilly license includes the Invoice Webhook API for custom integrations. The product integrates with major Belgian accounting software (Expert/M, Clearfacts, Yuki, Octopus, WinBooks, Exact Online), e-commerce (Shopify), CRM (Salesforce), banking (Ponto), and numerous material suppliers (Cebeo, Van Marcke, Rexel, Facq, Groep Verhelst, and others) through the Material Platform.
Differentiator
Problem solved
Functional benefit
Products and services
- NumNum Core Platform Main invoicing and administration platform for self-employed professionals, offering e-invoicing via Peppol, quote generation, expense tracking, customer management, time and product registration, and project management.
- Peppol E-Invoicing Electronic invoice delivery through the Peppol network in UBL format with delivery confirmations and read receipts. Built-in to all subscription tiers at no extra cost.
- Quotes and Estimates Professional quote creation with duplication, surface area calculation, visual identity customization, read receipt notifications, and one-click conversion to invoices.
- Expense Tracking Track purchase invoices and expenses by supplier and by project, with collaboration capabilities with accountants via integrations.
- CRM Customer Management Customer and supplier management with quick client addition via VAT number through the VIES database, invoice tracking by client, and multiple contacts per customer.
- Time and Product Registration Track worked hours and materials used per client and project, with mobile app, barcode scanner and QR code scanning, convertible directly to invoices.
- Project Management Real-time visibility of costs and revenues per project, with time and product registration entry and direct invoicing to clients.
- Material Platform Direct integration with supplier online shopping baskets (Cebeo, Van Marcke, Facq, Rexel, Groep Verhelst, and others) allowing users to import products, prices, and quantities directly into invoices and quotes without manual entry.
- Recurring Invoices Automated recurring invoice creation for subscriptions, rent, or repeat billing on weekly, monthly or yearly schedules with automatic delivery on chosen dates.
- Automatic Payment Reminders Automated reminder emails sent to customers for late payments with customizable frequency.
- Invoice Webhook API REST API allowing external systems to automatically create invoices in NumNum with full document payload, including Peppol sending. Exclusively available for Trilly users.
- Multi-user Access with Role Management Add multiple users with role-based access: Administrator, Manager, User, and Read-only to control access rights for team members and accountants.
Quantifiable outcome
- 14-day free trial with no credit card required
- +2 more outcomes
Companies that use NumNum
Customer profileNamed customers5 records
Segments3 records
Ideal customer profiles3 records
NumNum technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- Yes
- API docs
- API detail
Core technology
AI maturity
App detail
Integration31 records
Feature9 records
NumNum partnerships and signals
Strategic signalPartnerships
31 partnerships are on record, tiered core and secondary.
- Wolters Kluwer Expert/McoreExpert/M is a full accounting package within the Adsolut Suite for Belgian accountants and entrepreneurs. NumNum sends sales invoices and credit notes as UBL files for correct import into Expert/M. Payment status of invoices is also synchronized.
- ClearfactscoreClearfacts provides a streamlined online platform for collecting and digitally sending sales and purchase invoices to accountants, with real-time collaboration. NumNum invoices and expenses are sent directly and effortlessly to the accountant via this integration. Requires accountant to be connected to Clearfacts.
- Visma YukicoreYuki is a popular online accounting software used by many Belgian accountants. NumNum sends invoices, credit notes, and other documents directly to the accountant's Yuki inbox, with UBL format attached for automatic processing. Manual and automatic export options available.
- Octopus Accountancy SoftwarecoreOctopus provides a streamlined online platform for collecting and digitally sending sales and purchase invoices to accountants with a digital archive. NumNum enables direct and effortless sharing of sales invoices and credit notes with the accountant through a simple integration.
- ShopifycoreShopify is a popular e-commerce platform. NumNum connects to Shopify so that sales orders placed in a Shopify store are automatically converted into digital invoices in NumNum, saving time and preventing errors.
- SalesforcesecondarySalesforce is a CRM system for managing customer relationships and sales processes. The NumNum integration synchronizes business data and contacts from Salesforce into NumNum as customers and contacts. Data flows unidirectionally from Salesforce to NumNum.
- PontosecondaryPonto provides bank integration for automatic payment processing. NumNum synchronizes the payment status of invoices and credit notes automatically via this connection to the user's bank.
- BilltoboxsecondaryBilltobox handles digital document processing. NumNum sends sales invoices to Billtobox and can automatically send OCR files of expenses from NumNum to Billtobox for processing.
- CebeocoreCebeo is a Belgian wholesaler of electrotechnical products with a wide range for residential, industrial, and HVAC applications. The integration provides direct access to up-to-date electrotechnical products and pricing for faster quotes, error-free invoicing, and margin visibility. Part of the Material Platform.
- Van MarckecoreVan Marcke is a leading Belgian wholesaler specializing in bathroom solutions, HVAC, and sustainable living technologies. The integration ensures users always work with up-to-date prices and articles directly in quotes and invoices, avoiding manual research and providing margin visibility. Part of the Material Platform.
- FacqcoreFacq is a leading Belgian wholesaler of sanitary, heating, and HVAC products with a strong network for professionals and individuals. The NumNum-Facq integration ensures always current prices and sanitary articles for faster quotes, error-free invoicing, and immediate margin visibility.
- Groep VerhelstcoreVerhelst Groep is a Belgian multispecialist in construction materials recognized for its broad offering and logistics for contractors and building professionals. The integration provides always current building materials and correct prices directly in quotes and invoices, eliminating manual searches and outdated price lists.
- RexelcoreRexel is an international electrical equipment and energy solutions wholesaler with a wide range for residential, commercial, and industrial installations. Integration provides direct access to up-to-date electrotechnical products and pricing for faster quotes, correct invoicing, and margin control without manual work.
- Dupont SanitairsecondaryDupont Sanitair is a sanitary materials supplier. The NumNum integration ensures users always work with current prices and sanitary articles for faster quotes and error-free invoicing. Part of the Material Platform.
- AB RentsecondaryAB Rent provides equipment rental services. The NumNum-AB Rent integration gives direct access to current rental rates for construction and lifting equipment, enabling faster quotes, error-free invoicing, and margin visibility.
- Duma RentsecondaryDuma Rent provides machinery and equipment rental. The NumNum-Duma Rent integration provides direct access to current rental rates for construction machinery, enabling faster quotes, error-free invoicing, and margin control.
- DescosecondaryDesco supplies sanitary, heating, and installation materials. The Material Platform integration allows users to import products directly from Desco into quotes and invoices.
- STGsecondarySTG is a sanitary and technical wholesaler. The Material Platform integration allows importing products from STG into quotes and invoices. Requires using the 'Go to webshop' button from NumNum to correctly link the shopping basket.
- BosspaintssecondaryBosspaints is a paints and varnishes supplier. The Material Platform integration allows importing products from Bosspaints into quotes and invoices.
- GyselssecondaryGysels supplies paints and wallpapers. The Material Platform integration allows importing products from Gysels into quotes and invoices.
- LibertsecondaryLibert supplies paints and coatings. The Material Platform integration allows importing products from Libert into quotes and invoices.
- SigmasecondarySigma provides paints and color advice. The Material Platform integration allows importing products from Sigma into quotes and invoices.
- VerhelstsecondaryVerhelst is a construction materials supplier. The Material Platform integration allows importing products from Verhelst into quotes and invoices.
- WürthsecondaryWürth supplies fastening and assembly materials. The Material Platform integration allows importing products from Würth into quotes and invoices.
- Exact OnlinesecondaryExact Online is an online accounting platform. NumNum can send invoices directly to the user's Exact Online accounting via integration setup.
- WinBookssecondaryWinBooks is a Belgian accounting software. NumNum integration allows invoices to be sent directly to WinBooks.
- Sage Cloud DematsecondarySage Cloud Demat is an accounting/demat solution. NumNum integration allows direct invoice delivery.
- Wings BoekhoudsoftwaresecondaryWings accounting software integration. Invoices go automatically to the accountant. Customer list is synchronized automatically from Wings upon installation. Expenses can be sent to Wings for automatic processing.
- AdsolutsecondaryAdsolut is a comprehensive suite including Wolters Kluwer Expert/M. Invoices and expenses are directly transmitted to the accountant. Invoice payment status is synchronized.
- Peppol NetworkcoreNumNum is connected to the Peppol e-invoicing network, enabling users to send electronic invoices and credit notes via Peppol. Peppol e-invoicing is currently mandatory for government contracts and becomes mandatory for B2B transactions in Belgium from 2026.
- VIES Database (EU VAT Information Exchange System)secondaryNumNum connects to the EU VAT Information Exchange System to automatically populate customer information when a VAT number is entered, supporting cross-border B2B transactions.
Scale indicators3 records
Recent moves6 records
Expansion highlights6 records
NumNum competitors and assessment
Company assessmentDirect peers
- Exact Online: Cloud accounting and invoicing platform with strong presence in Belgium and the Netherlands. NumNum has a native integration into Exact Online, indicating direct overlap in the same Belgian SMB back-office segment.
- Clearfacts: Belgian platform for digital collection and forwarding of sales and purchase invoices to accountants. Directly addresses the same invoice-to-accountant workflow that NumNum's accountant integration layer is built around.
- Octopus Accountancy Software: Belgian accounting software used by Belgian accountants. NumNum integrates with Octopus to send sales invoices and credit notes, evidencing direct overlap in the Belgian SMB accounting ecosystem.
- Teamleader: Belgian-origin SaaS offering CRM, project management, and invoicing for SMBs. Competes for the same Belgian self-employed and small business customer with overlapping CRM, project, and invoicing capabilities.
- Banqup (Visma): Belgian electronic invoicing platform connected to the Peppol network, targeting Belgian and European SMBs for e-invoicing compliance. Closest direct peer on Peppol-native e-invoicing positioning for the Belgian market.
- Yuki (Visma): Belgian online accounting platform widely used by SMBs and accountants. Both NumNum and Yuki target the same Belgian self-employed segment and NumNum has a native UBL integration that pushes invoices directly into Yuki.
- Billtobox: Belgian digital document processing platform handling electronic sales invoices and expenses. NumNum pushes invoices and expenses directly into Billtobox via integration, evidencing direct overlap in Belgian digital document workflows.
- WinBooks: Belgian accounting software used by Belgian accountants and SMBs. NumNum has a native integration that delivers invoices directly to WinBooks, making it a direct channel and workflow peer.
Broad incumbents
- Sage Bob (Sage Belgium): Cloud accounting and invoicing product from Sage targeting Belgian and European self-employed. NumNum integrates with Sage Cloud Demat, reflecting shared customer base in Belgian SMB back-office software.
- Wolters Kluwer Expert/M (Adsolut): Comprehensive Belgian accounting suite for accountants and entrepreneurs. NumNum sends sales invoices and credit notes as UBL files into Expert/M, placing it within the same Belgian accountant-led SMB ecosystem.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights7 records
Customer concentration
NumNum social profiles
Digital presenceNumNum compliance and trust
Trust signalCompliance1 record
NumNum financial estimates
Financial estimateRevenue estimate
Valuation estimate
NumNum leadership team
Management profileNumber of profiles
NumNum funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
NumNum M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about NumNum
What does NumNum do?
NumNum is a Belgian cloud-based e-invoicing and administration platform for self-employed professionals and small businesses. It enables users to create, send and track invoices and quotes (including via the Peppol network in UBL format), manage expenses, customers and projects, and register time and materials through a web application and mobile companion. The product is sold on a tiered subscription basis (Milly, Billy, Trilly) and includes a Material Platform that integrates supplier product catalogs directly into invoicing and quote workflows.
Is NumNum a public or private company?
NumNum is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was NumNum founded?
NumNum was founded in 2020. It employs 11 to 50 people.
Where is NumNum based?
NumNum is headquartered in Koksijde, Belgium, in the Europe region.
How does NumNum make money?
One revenue line is on record: saaS Subscription (Software-as-a-Service).
Who are NumNum's main competitors?
Direct peers on record are Exact Online, Clearfacts, Octopus Accountancy Software, Teamleader, Banqup (Visma), Yuki (Visma), Billtobox and WinBooks. Broad incumbents are Sage Bob (Sage Belgium) and Wolters Kluwer Expert/M (Adsolut).
Does NumNum have an API?
Yes. The Invoice Webhook API allows users to automatically create invoices in their own environment. Once invoices are created, they can be sent via email, Peppol, or post. This functionality enables custom integrations to send Peppol invoices. The API uses authorization tokens and company IDs in request headers, accepts JSON payloads with invoice details (language, date, client, lines), and returns HTTP 201 upon successful creation. This feature is exclusively available for Trilly users. Developer documentation is at help.numnum.be/en/integrations/invoice-webhook.