---
title: Modules and Areas: ERP, CRM, PMO, HR, Sales | XOS
description: How XOS is built: three systems (ERP, CRM, PMO) and four areas (HR, sales, marketing, finance and accounting), just like the sidebar in the product.
url: https://xos.prozessx.com/en/structure/
---

# How XOS is built.

Just like the sidebar in the product: three systems and four areas. You book what you need, per seat.

[Book a demo →](https://xos.prozessx.com/en/book-a-demo/)[Sign up](https://xos.prozessx.com/signup)

In short: How XOS is built: three systems (ERP, CRM, PMO) and four areas (HR, sales, marketing, finance and accounting), just like the sidebar in the product.

As of November 12, 2026 · ProzessX

## The foundation.

01

### ERP

Documents, invoices, purchasing, warehouse and accounting on one data foundation. ERP is only available as a complete package.

02

### Daily Work (PMO)

Projects, tasks, tickets and meetings in day-to-day business.

03

### CRM

Contacts, companies and deals in one place. Your existing CRM can stay in use. CRM is only available as a complete package.

## The business areas.

01

### HR

The complete HR area as one package, bookable per seat.

02

### Sales

The complete sales area as one package, bookable per seat.

03

### Marketing

Social media, newsletter and analytics as one package, bookable per seat.

04

### Finance and accounting In development

Finance and accounting is in development. The use cases show where it is heading.

Every single module and its features is listed in the [catalog](https://xos.prozessx.com/en/modules/).

## Which building blocks do you need? We sort it out in the intro call.

[Book a demo →](https://xos.prozessx.com/en/book-a-demo/)[Sign up](https://xos.prozessx.com/signup)