How Property Management Systems use mandatory e-invoicing for revenue growth

As a PMS, you can integrate an e-invoicing feature for your clients. When mandates hit, your clients already have a compliant solution, while you grow your MRR.

Property Management System Using E-invoicing in 2026 for revenue and product growth.

Last modified on 2025-12-18 in Blog

Electronic invoicing is no longer a “future regulation to keep an eye on.” In fact, it is a growing market with 125 out of 560 billion invoices already being electronic. Several European countries have already rolled out mandates, and more than 100 additional countries plan to introduce e-invoicing or fiscalization requirements within the next seven years.

 

Summary

Your users in markets with e-invoicing mandates are and will be searching for a local provider. The easiest way is invoicing through a software provider they already use and trust. This results in higher ARPU, lower churn, standardized invoice workflows across all EU markets, and new monetization options for you.

Continue reading, and learn:

  1. How e-invoicing solves compliance challenges,
  2. simplifies operations for your clients,
  3. and how you can turn upcoming mandates into a scalable revenue stream.

The blog is approximately a 3–5 minute read.

 

Integrate mandatory e-invoicing, offer it as a compliant feature, and grow monthly revenue

The global e-invoicing market was valued at approximately $15.9 billion in 2024 and is projected to reach $68.7 billion by 2033. With the upcoming ViDA regulation, all European B2B, B2G, and B2C businesses will have to issue e-invoices by 2030 at the latest.

The main reason your clients need a supplier comes from an e-invoice not being a standard paper or PDF invoice. An electronic invoice is usually a machine-readable XML file, essentially a piece of computer code. Not only do you need software to create it, but in many cases, it must be transmitted through government-specific portals to the tax authority and then to the client, again through government-specific systems.

Aside from mandates, many companies choose to issue e-invoices because of faster processing, lower production costs, and fewer manual mistakes, leading to fewer fines. Add to that the fact that e-invoices are typically paid within six days, compared to the 10–16 days paper invoices usually require.

Using Mandates for Monetization for PMSs.jpg

You need an effective monetization strategy

The most common options are: 

  1. Paid Add-On Module

Offer as an optional monthly add-on per legal entity or per country.

  1. Included in Higher Pricing Tiers

Packaging: Include e-invoicing only in mid or top-tier plans

  1. Usage-Based or Credit-Based Pricing

Packaging: Prepaid or monthly-billed invoice volume bundles.

  1. Compliance-as-a-Service Subscription

Fixed recurring fee for a fully managed compliance layer.

We explore these monetization models in detail in our PMS manual.

 

Global coverage enables growth without borders, while eliminating compliance challenges

Robust e-invoicing feature covers most of Europe, in some cases, the entire globe. This allows you to automate e-invoice issuance for your own operations and expand into new markets without worrying about compliance limitations.

For your clients, global or European e-invoicing coverage means they can scale freely and issue compliant invoices anywhere, directly from your platform. Not only are e-invoice creation and issuance handled, but you also simplify the workflow process for your clients. They no longer need to switch between platforms, struggle to understand complex regulations, or spend hours searching for a reliable local provider.

 

2026 e-invoicing deadlines

Upcoming mandates represent upcoming opportunities and hot markets you should tap into in 2026 and beyond: 

  1. Belgium 🇧🇪: From January 1, 2026, all VAT-registered businesses must issue and receive e-invoices for B2B and B2G transactions. 
  2. France 🇫🇷: All businesses must be able to receive B2B e-invoices starting September 2026. Large and mid-size companies must also issue e-invoices at this stage, with SMEs following in September 2027. 
  3. Poland 🇵🇱: Mandatory B2B e-invoicing starts February 1, 2026, for companies with turnover over €46M, and for all other businesses by April 1, 2026.
  4. Croatia 🇭🇷: All B2B and B2G transactions require e-invoicing starting January 1, 2026.
  5. Denmark 🇩🇰:  By January 2026 the 2022 Bookkeeping Act mandates digital bookkeeping and e-invoicing for all businesses.
  6. Greece 🇬🇷: Mandatory B2B e-invoicing begins February 2026 for large companies (>€1M turnover), and for all companies from October 2026.
  7. Slovakia 🇸🇰: Mandatory e-invoicing for VAT-registered businesses begins January 1, 2027, requiring structured invoices complying with EN 16931 and near real-time reporting.
  8. Spain 🇪🇸: Pending technical regulations, a B2B e-invoicing mandate is expected to roll out in late 2026.
  9. Germany 🇩🇪: Mandatory B2B e-invoice issuance is being phased in by company size through 2027 and 2028.

P.S. For additional information, click on any country’s name or flag for a full e-invoicing guide. Click here to see all country guides.

 

Standardize all e-invoice transaction types, both in UI for your clients and UX for compliance

PMSs usually offer more than two transaction types; most include B2C Online, POS, B2B, and B2G. As you know, each comes with completely different regulations for invoice creation and issuance. Combine these with the various global markets you operate in, and you quickly end up with 15+ invoice types and regulatory rules.

E-invoicing can standardize your and your clients' experience across all transaction types. The entire process is based on a single JSON file (in our case, 60 lines of computer-readable code) that contains all required data fields. When creating an invoice, your users see a simple UI with only the mandatory fields they need to fill out. Then, the software, whether built in-house or integrated externally, translates the JSON file into a compliant e-invoice according to the market and transaction type. The result is a valid e-invoice in the correct format, containing all mandatory information and issued both to the client and, when required, to the tax authority.

Presentation of Standardizing different transaction types (B2B,B2G, B2C, POS) with different country e-invoicing regultaions for property managements systems (PMS)

 

Best ways to unlock the benefits of e-invoicing feature for your Property Management System

Many e-invoicing solutions exist, but only a few meet the specific needs of PMS platforms. The most essential features include:

  • A simple API integration for local and global compliance,
  • Coverage for invoice generation and issuance,
  • Multitenancy allows multiple users to issue e-invoices from the same API without accessing each others information,
  • White-labelled UI/UX, so you can offer it directly to your clients under your brand.

The three most common ways to integrate e-invoicing into your system are:

  1. Building it yourself
    You get a custom solution tailored to your PMS and markets, but it has the highest upfront cost, requires long development, and demands ongoing maintenance as regulations keep changing.
  2. Integrating a third-party solution
    Most providers are local; global ones can be costly or limited. For an e-invoicing feature, that you can upsell user with, you also need a 3rd party solution with multitenancy and ideally white-labelling.
  3. Partner with an e-invoicing provider
    Some e-invoicing providers offer partnership models, where the revenue is usually shared, and you send your clients to either their platform or integrate them into yours, but they keep their branding. 

 

Check out our latest Workshops!

We’re hosting our many workshops, diving deeper into strategies for software providers operating mainly in (or entering) the European Union region. We explain new trends, the progress of e-invoicing, and different solutions.

The goal of the workshop is to address your actual cases and challenges. So if you need clarity on regulations, if revenue or market growth is slowed by compliance, or if you're looking for an additional revenue source, join us, ask questions, and get live answers.

Note: If you have an e-invoicing challenge and are based in any other country, you are welcome to join the workshop as well. We also cover and advise in countries outside of EU.

From Mandate To Monetization Webinar and Workshop - How Eu e-invoicing can be your next revenue stream

 

10 Frequently Asked PMS Questions

Why is e-invoicing a strategic priority for PMS providers in 2026?

Many countries will add European 2026 mandates that require businesses to issue electronic invoices that follow strict regulatory standards. PMS platforms offering built-in e-invoicing gain a strategic advantage: higher ARPU, lower churn, and simplified compliance across markets.

 

What is the difference between a PDF invoice and an electronic invoice?

A PDF is only a visual representation of an invoice. A compliant electronic invoice must follow the EU standard EN 16931 and is delivered as an XML file through government-approved systems. 

 

How can PMS providers prepare for upcoming e-invoicing regulations?

For PMSs, the quickest solution is adoption of standardized invoice data, EN 16931 fields, and integrating a provider that automates issuance. DDD Invoices updates regulatory rules for each country, ensuring PMSs stay compliant through 2026 and beyond.

 

How does e-invoicing improve processes for hoteliers and real estate?

Hotels and real estate businesses deal with multiple guest or tenant transactions. E-invoicing boosts their efficiency by reducing manual errors, standardizing invoices for all transaction types, speeding up payments, and supporting seamless cross-border compliance directly within the PMS.

 

Why do PMS users need e-invoice formats like XML?

An e-invoice is not just a digital copy; it’s a structured XML document required for reporting to tax authorities. PMSs must generate this format to meet European compliance rules and ensure successful submission.

 

How does e-invoicing help PMS platforms expand into new EU markets?

Europe’s regulatory landscape is fragmented. A PMS offering European e-invoicing coverage can enter new countries without building local integrations. 

 

What challenges do businesses face without automated e-invoicing?

None really, the only difference is that e-invoices still have to be done manually, leaving room for human error and fines. 

 

How does mandatory e-invoicing support business growth for PMS?

E-invoicing is both a compliance requirement and a business opportunity. PMS providers can monetize it through add-ons, higher pricing tiers, or usage-based billing, while giving clients a unified way to issue invoices across all markets.

 

Why are EU countries rolling out e-invoicing mandates so rapidly?

Countries across Europe are adopting e-invoicing to reduce VAT fraud, improve traceability, and modernize tax systems. These regulations accelerate digital transformation and affect PMS clients operating in the hospitality and real estate sectors.

 

How can PMS platforms ensure all invoice types stay compliant?

By using a unified e-invoicing engine that standardizes fields across all transaction types. For example, DDD Invoices converts a simple JSON data model into the correct electronic invoice format for each market, ensuring compliance regardless of invoice type.

Here are even more frequently asked questions.

Written by the Compliance team
Reviewed by Denis V. P.

Table of contents
  • Summary
  • Integrate mandatory e-invoicing, offer it as a compliant feature, and grow monthly revenue
  • Global coverage enables growth without borders, while eliminating compliance challenges
  • Standardize all e-invoice transaction types, both in UI for your clients and UX for compliance
  • Best ways to unlock the benefits of e-invoicing feature for your Property Management System
  • Check out our latest Workshops!
  • 10 Frequently Asked PMS Questions