Subiekt 123 is an online system for invoicing and customer, services, and goods management, ideal for entrepreneurs looking for a simple and intuitive solution without complex inventory control. It enables issuing invoices and receipts, supports foreign currencies, SAF-T (JPK), and offers integration with InsERT nexo accounting programs. Ukrainian and Russian language versions are also available within the basic license.

Subiekt 123 is a proven online application from the SUBIEKT family for fast and clear issuance of invoices and receipts, client management, and a catalog of services and products. Thanks to working in the cloud, you have access from anywhere — all you need is the internet. The basic license also includes a Ukrainian and Russian language version at no extra charge.

The application is integrated with InsERT nexo accounting systems, so issued documents can be immediately handed over to the accountant. It supports invoicing in foreign currencies with automatic exchange rate retrieval, printing bilingual invoices (PL-EN, PL-DE), and generating JPK_VAT and JPK_FA. A flexible modular approach allows you to enable only the features you really need.

Key features and benefits:

  • Online invoices and receipts — quick issuance, PDF export and sending to the customer, easy corrections, and recurring invoices with automatic sending.
  • Products and services — clear catalog, custom groups, and search.
  • Customers — complete contacts, bank accounts, payment terms, and discounts; connection to the GUS database for quick completion of company data.
  • Overviews and reports — balance, sales by period, by customers and products; export to CSV and PDF.
  • JPK — generation of JPK_VAT and JPK_FA.
  • Fiscalization — printing on fiscal printers via the external devices server.
  • Multiple users under one subscription — suitable for small teams.
  • Personal dashboard — custom arrangement of tiles and quick actions.
  • Payment scheduler — alerts for upcoming tax deadlines and client payments.
  • Support for public sector entities (JST) — work with different buyer and recipient, set a parent unit on documents.

Specifications

Product type
Online system for invoicing and sales management
License
12 months (BOX)
Language versions
Polish, Ukrainian, Russian (included in the basic license)
Invoicing features
Invoices, receipts, recurring invoices, PDF export, email sending
Foreign currencies
Currency support with automatic exchange rate retrieval, intra-Community acquisition (WNT) and export
Bilingual documents
PL-EN, PL-DE
Catalog management
Services and goods, custom groups, search
Customer management
Contacts, bank account, payment terms, discounts; connection to GUS
Reports
Balance, sales by period, by customers and products, unpaid payments (CSV, PDF)
JPK
Generation of JPK_VAT and JPK_FA
Fiscalization
Printing on fiscal printers via the external devices server
Integration
InsERT nexo accounting programs; support for selected fiscal printers
Access from anywhere
Web application, requires an internet connection
User accounts
Multiple users under one subscription
Personalization
Customizable dashboard and quick actions
Notifications
Payment scheduler and notifications

Subiekt 123 – online invoicing for 12 months (BOX license)

45,50 €
Shipping from 5,90 €
External warehouse · At your place 10 / 27
Product code: 828062-1
Free shipping on orders over €149.00
Hassle-free returns within 30 days
Fast delivery from 5,90 €
45,50 €