MIA Biznes: Invoices & KSeF

Content rating
Everyone
10+
Downloads
Content rating
Everyone
In-App Purchases
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About this app

MIA Biznes is an app for companies and sole traders in Poland. Issue and receive KSeF e-invoices, use online accounting services and contact your accountant in one place. Manage company documents, tasks and key business information without switching between multiple tools.

Invoices and KSeF
Create and manage invoices using Poland’s National e-Invoicing System, KSeF:
• create and send outgoing invoices
• review incoming documents
• prepare proforma and correction invoice
• manage products and services
• save contractor details
• review documents and analytics.
Essential invoicing tools are available in one section, helping you create documents faster and stay in control of your company’s transactions.

My Company
Keep important company information in one place:
• registration details

• NIP and KRS details

• bank accounts
• employees and responsible team members
• taxes
• financial reports.
Access to specific data depends on active services and user permissions.


Accountant consultations
Get professional support in the format that suits you:
• chat consultation
• online meeting

• in-office consultation.
Choose a specialist, purchase a consultation package and contact your accountant directly through the app.


Taxes and financial reporting
Review:
• current tax liabilities

• tax payment history
• company financial indicators
• available reports and documents.
These sections are available to clients with active accounting support or related services.

Company tasks
Organize your team’s work:
• create tasks
• assign team members
• set deadlines
• discuss progress in chat
• monitor task status.
The accountant tasks section provides access to general and individual requests related to accounting services.

Start a business with MIA START
Complete the process of registering a sole proprietorship or company in Poland directly in the app:
• complete the application form
• choose a package
• review the agreement
• upload the required documents
• pay for the selected service

• track each registration stage.

Everything you need in one place
MIA BIZNES also includes:
• notifications about new messages and events
• favorite features and widget configuration
• guides for using the application
• technical support
• a Wish List for ideas and suggestions
• update history
• access to connected cloud storage.
MIA BIZNES brings together the essential tools for managing a business, working with your accountant and controlling company operations.

Download MIA BIZNES and manage your business more easily.

New features are constantly added to the system, so your business always has access to the latest solutions.
Feature availability depends on the user’s role, active services, subscription plan and company permissions.

Privacy Policy: https://miabiznes.pl/polityka-prywatnosci/
KSeF invoices, online accounting and accountant support for businesses in Poland
Updated on
Aug 25, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • This app may share these data types with third parties
    Personal info, App activity and 2 others
  • No data collected
    Learn more about how developers declare collection
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

In this version, we have improved app performance, fixed reported issues and increased the stability of MIA Biznes.

We have also added a new Company employees section. You can now add new employees, edit their profile details and choose which sections of the app each employee can access.

We have also made payments smoother and more convenient.

Update the app to enjoy the latest features and improvements.
Content rating
Everyone
In-App Purchases
Learn more

App support

About the developer
MIA CONSULT GROUP SP Z O O
support@mcgroup.pl
Ul. Adama Branickiego 17 02-972 Warszawa Poland
+48 513 866 082

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