InvoiceXpress

What InvoiceXpress does

InvoiceXpress is a Portugal-based SaaS company that provides online invoicing software certified by the Portuguese Tax Authority (Autoridade Tributária e Aduaneira, Certificate No. 192) for issuing legally compliant invoices, simplified invoices, credit/debit notes, budgets and transport guides. Founded in 2007 by Rui Pedro Alves under the RUPEAL brand, the company built a self-serve, multi-tenant SaaS platform serving freelancers, SMEs, accounting practices and online stores in Portugal and select international markets, with multi-language support (Portuguese, English, Spanish) and over 25,000 users and 12,000+ paying customers. The platform's technical core includes a web application, native iOS/Android apps (launched December 2025), a REST API with an npm package, an OutSystems Forge component, a Claude MCP integration for natural-language invoicing, and a Voice 2 Invoice plugin that converts voice/text commands into certified invoices through WhatsApp and Telegram (developed in partnership with Kapta).

The company's revenue model is a tiered document-volume subscription with 18 plans ranging from a free tier (1 document/month, relaunched August 2025) to €624/month for 100,000 documents/month, with unlimited users across all tiers and no loyalty contracts. Subscriptions are billed monthly, semi-annually, annually, or biennially; an additional payment-processing fee stream is derived from integrated Multibanco and credit-card processors (euPago, Hipay, Lusopay, PayPay, Stripe). Distribution mixes product-led growth (free tier, 30-day trial, self-serve signup), an enterprise inside-sales motion for custom multi-account deployments, and an affiliate/reseller program paying up to 30% commission. The customer base spans freelancers, service SMEs, e-commerce merchants using Shopify, WooCommerce, Amazon, PrestaShop, Hotmart and other integrations, plus digital product creators and developer-API users.

Since February 2024, InvoiceXpress has operated as a subsidiary of Visma Group, a Norwegian SaaS conglomerate, while retaining its independent brand, team and Portugal-based leadership. Strategic priorities evidenced over 2024-2025 include aggressive expansion of AI-driven invoicing interfaces, an integration-led go-to-market strategy targeting marketplaces (Stripe, Amazon) and messaging platforms (WhatsApp, Telegram), and mobile-first product development to broaden reach beyond desktop SMB users.

Name

InvoiceXpress

Legal name

InvoiceXpress, Lda.

Website

https://invoicexpress.com

Company type

Private

Founded year

2007

Operating status

Operating

Headcount range

1–10 employees

Short description

InvoiceXpress is a Portuguese SaaS company offering AT-certified online invoicing software for freelancers, SMEs, and e-commerce merchants, with tiered subscription plans, 30+ integrations, and AI-driven features such as Voice 2 Invoice and Claude MCP.

Ownership category

akta.pro rank

Product category

Invoicing Software

NAICS

Software Publishers (513210), Custom Computer Programming Services (541511)

SIC

Services-Prepackaged Software (7372), Services-Computer Programming, Data Processing, Etc. (7370)

akta.pro primary industry

Bill Pay, Invoicing & Payables Platforms (BPAMAFAF)

akta.pro secondary industry

eSignature, Forms & Digital Workflow Platforms (HDAEAHAJ)

Keywords

• Certified invoicing software
• Electronic billing platform
• Tax authority compliance
• Freelancer invoicing tools
• Ecommerce billing automation

Headquarters

HQ city

Lisbon

HQ country

Portugal

HQ region

Europe

Offices1 record

Markets served

GTM type

B2B

Offering type

Software

Cost components

Personnel, Technology or R&D, Marketing or Sales, Infrastructure, Operations

Revenue model

1. Subscription Plans (Tiered by Document Volume): SaaS subscription model with plans tiered by monthly document allowance. Plans range from free (1 doc/month) to X100k (100,000 docs/month). Users unlimited across all plans. Revenue from monthly/annual subscription fees billed monthly, semi-annually, annually, or biennially.
2. Payment Processing Fees: Small transaction fees charged when clients pay via Multibanco or credit card through integrated payment platforms. Fee varies by partner, payment method, and transaction value. Only charged when payment is received.

Pricing tiers

Go-to-market motion4 records

Distribution channels5 records

Marketing channels8 records

Core offering

InvoiceXpress is an AT-certified online invoicing SaaS that enables Portuguese freelancers, SMEs, and online stores to create, send, and manage certified fiscal documents (invoices, simplified invoices, receipt invoices, credit/debit notes, budgets, proformas, fee notes, transport guides) with automatic real-time or SAF-T communication to the Portuguese Tax Authority, ATCUD, QR codes, and digital signatures. The platform is delivered through a web app, iOS/Android mobile apps, a REST API, and AI-powered interfaces (Claude MCP, Voice 2 Invoice for WhatsApp/Telegram) supported by 30+ integrations with e-commerce, payment, and automation platforms.

Product overview

InvoiceXpress is a unified online invoicing SaaS platform providing certified invoicing solutions for Portuguese businesses. The core InvoiceXpress platform serves as the primary product, offering comprehensive billing document creation with AT certification. The product portfolio includes the InvoiceXpress API for developer integrations, a Plugin Marketplace with 30+ native e-commerce and payment platform connections, the Claude MCP integration for AI-powered natural language invoicing, Voice 2 Invoice for WhatsApp/Telegram voice-to-invoice creation, and official mobile applications for iOS and Android. Additional modules include payment collection alerts and payment platform integrations for Multibanco processing. The platform is part of the Visma Group following acquisition in February 2024.

Differentiator

Problem solved

Functional benefit

Products and services

• InvoiceXpress Core Platform AT-certified online invoicing SaaS enabling businesses, freelancers, and online stores to create, send, and manage certified billing documents including invoices, simplified invoices, receipt invoices, credit/debit notes, budgets, proformas, fee notes, and transport guides, with automatic real-time or SAF-T communication to the Portuguese Tax Authority.
• InvoiceXpress REST API

Quantifiable outcome

• 95% customer satisfaction rate based on 993 reviews in 2025
• +4 more outcomes

Named customers14 records

Segments5 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

Yes

API docs

API detail

Core technology

AI maturity

App detail

Integration35 records

AI capability6 records

Feature8 records

Partnerships

Ten partnerships are on record, tiered core and minor.

• KaptacoreTechnology or IntegrationDeveloped Voice 2 Invoice integration - the first AI-powered voice-to-invoice plugin in the Portuguese market. Allows invoice creation through WhatsApp and Telegram using voice or text commands. Kapta maintains and commercializes the Voice 2 Invoice integration.
• euPagocoreTechnology or IntegrationPayment platform partnership for Multibanco and credit card payment acceptance. euPago generates payment references included in invoices, enabling clients to pay through automatic teller machines or online.
• Claude (Anthropic)coreTechnology or IntegrationInvoiceXpress MCP (Model Context Protocol) enables Claude AI assistant to create, manage, and query invoices through natural language. Users can request 'Create an invoice for Company X' and Claude executes it directly in InvoiceXpress with ATCUD and QR codes.
• StripecoreTechnology or IntegrationOfficial Stripe Marketplace application for Portuguese invoicing. First Portuguese app on Stripe marketplace. Automatically creates certified invoices whenever a confirmed Stripe payment is received. Available in Stripe's official app directory.
• AmazoncoreTechnology or IntegrationIntegration plugin allowing Amazon sellers in Portugal to import sales files and automatically convert them to AT-certified invoices. Solves the problem of Amazon's non-certified invoices not complying with Portuguese tax requirements.
• HotmartcoreTechnology or IntegrationIntegration for digital product sellers on Hotmart platform. Automatically generates certified invoices for Hotmart sales to comply with Portuguese tax obligations. Required due to Hotmart's updated business model requiring seller invoicing compliance.
• ShopifycoreTechnology or IntegrationOfficial Shopify app integration for automatic invoice creation from online store sales. Automatically generates certified Portuguese invoices when orders are placed.
• WooCommercecoreTechnology or IntegrationWordPress/WooCommerce integration plugin (by WebDados) for automatic invoice generation from online store orders. Certified Portuguese invoicing for WooCommerce merchants.
• ZapiercoreTechnology or IntegrationZapier integration allowing InvoiceXpress to connect with 5,000+ applications. Enables automated workflows like creating invoices from new CRM contacts, adding Stripe payments to accounting, or syncing with project management tools.
• CTTminorChannel Partner/ Reseller/ DistributorPortuguese postal service partnership for physical store presence where small businesses can learn about and potentially acquire InvoiceXpress.

Scale indicators7 records

Recent moves6 records

Expansion highlights6 records

Direct peers

• PHC Software: Portuguese accounting, payroll, and invoicing software vendor competing in the same SME compliance-driven market, often offering invoicing bundled with broader accounting functionality.
• Moloni: Portuguese SMB invoicing and business management SaaS directly competing with InvoiceXpress in the same AT-certified SMB and freelancer segment, with overlapping features such as e-commerce integrations and SAF-T exports.
• PRIMAVERA BSS: Portugal-headquartered business management software provider with invoicing, accounting, and ERP modules that overlap directly with InvoiceXpress's SMB and SME target customers.
• Vendus: Portuguese online invoicing and POS SaaS serving SMBs with AT-certified invoicing and payment integrations, providing head-to-head competition for InvoiceXpress's SME and retail merchants.

Emerging players

• Zoho Invoice: International cloud invoicing tool targeting freelancers and SMBs that increasingly supports Portuguese compliance use cases via Zoho's broader ecosystem, comparable in pricing tiering and PLG approach.
• FreshBooks: Freelancer and SMB-focused cloud invoicing and accounting SaaS with a similar tiered subscription model and self-serve onboarding motion, increasingly used by Portuguese and Iberian freelancers.

Broad incumbents

• Stripe Invoicing: Payment-platform-led invoicing product from Stripe that overlaps with InvoiceXpress for online merchants; the very partnership with Stripe (Marketplace app) shows competitive coexistence via integration.
• Square Invoices (Block): Payment-and-invoicing suite from Block that competes for small business billing workflows and increasingly offers localized invoicing compliance across multiple jurisdictions.
• Xero: Global SMB accounting SaaS offering certified invoicing features across multiple jurisdictions including Portugal, competing for the same SME and accountant-driven billing workflows.
• QuickBooks (Intuit): Dominant global SMB accounting and invoicing platform with Portuguese localization, competing in the SME and freelancer segment with a much larger product and ecosystem footprint.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks5 records

Key highlights6 records

Customer concentration

• Xx.com/invoicexpress
• YouTubeyoutube.com/user/invoicexpress
• Facebookfacebook.com/ruiunas
• LinkedInlinkedin.com/company/invoicexpress
• Instagraminstagram.com/invoicexpress

Compliance6 records

Revenue estimate

Valuation estimate

Number of profiles

Profiles4 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about InvoiceXpress