SAP Solutions provider

e-Invoicing add-ons running in SAP

S4FN - Enhances SAP for electronic regulations.

Real-Time e-Invoicing Management Solutions for SAP

We develop add-on software for SAP to support e-Invoicing regulations and standards.

S4FN SII SAP add-on is the solution for Immediate Information Sharing System for Spain.
Suministro Inmediato de Información ( SII ) is a new bookkeeping system for VAT on the AEAT online system.

The main new feature of electronic VAT bookkeeping is that the tax will now a to the Tax Agency (AEAT) in almost real-time.

By providing a SAP solution for SII we enabled to manage all SII actions within SAP environment.

for more info contact[at]

Download S4FN SII presentation

Accounting Transaction Report Management Solutions for SAP

SAF-T is an electronic format for the efficient transfer of accounting data from companies to tax authorities.

S4FN has developed SAF-T solutions for generating reports for government regulations.

SAF-T stands for Standard Audit File for Tax.

Poland has developed JPK for their SAF-T requirements. Norway and Lithuania have accepted standard SAF-T nearly fully.

France has a different format known as a47a-i-vii-1.

Hungary has developed SAF ( Standard Accounting File ).

S4FN has SAF-T add-on solution for the countries France, Poland, Norway, Lithuania, Hungary.

You can manage those official reports completely in your SAP environment.

for more info contact[at]

Download S4FN SAF-T presentation

e-Invoicing for Turkey

Turkey has developed it is e-Invoicing regulations by a few different methods.

For companies until a revenue it is mandatory to use real-time e-invoicing regulation.

With real-time elecktronic invoicing, as soon as invoices generated it can be sent to customer.

Turkey regulation has developed e-Archive invoicing. With this invocing you can keep and share invoices with the customer who does not using real-time e-invoicing.

e-Archive invoicing you don't have to print pre-generated invoices.

S4fn has e-invocing solutions for Turkey regulations within SAP environment.

for more info contact[at]

S4FN Add-Ons Enhancing SAP


Immediate Supply of Information

SAP SII Add-On is developed for Spain AEAT regulations. SII SAP add-on run inside SAP environment. Doesn't need any extra component.

SAP SII add-on can directly connect SAP to AEAT online system. But for security reasons we recommend to use S4FN connector ( S4C ). S4C can be placed at DMZ and creates an extra layer.

Project Overview

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SAP SAF-T Add-On Standard Audit File for Tax

SAP SAF-T Add-On enables SAP to create reports according to goverment regulations.

SAP SAF-T Add-On manages all phases of creating report inside SAP.

SAF-T SAP add-on extracts data creates xml all those steps managed inside SAP.

S4FN SAP SAF-T solution supports Norway, Lithania, France, Poland and Hungary.

You can manage all those countries with the SAP SAF-T add-on.

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Babs Report

SAP BA-BS Report creates BA-BS reports inside SAP

Taxpayers are obliged to submit for form Ba and form Bs reporting their monthly puchases and sales.

Form Ba; purchases over 5000₺ from one taxpayer.

Form Bs; sales over 5000₺ to one taxpayer.

Please contact to request a live demo session.

S4FN SAP e-Invoice

Electronic Invoice

SAP e-Invoice add-on enables real-time e-invoicing.

Electronic invoicing (e-Invoicing) is the exchange of the invoice document between a supplier and a buyer in an integrated electronic format.

Invoice processing cost, Processing cycle time , Accounts payable labour, On-time payment percentage, On-time earning discounts, Supplier participation, Invoices received in electronic format.

Our service


Configured to run with PI or similar systems and optionally integrated with S4FN SAP connector for your DMZ requirements.

Integrated Authenticaton

Add-ons of S4FN are integrated to SAP and allow you to assign users with different authorization levels

Service Level Agreement

Get back within 2 hours & 2 business days for solution


S4FN Add-Ons has own namespace that doesn't effect any object on your SAP system.

User Friendly

Directly send your documents to Tax Agency from SAP by only one click.


No need extra SAP customization, coding and PI or similar integration environments.


Adapted digital transformation services & Fully deep solution systems

Well Documentation

Full concentrated and adapted guideline & instructions.

Get in touch

Our Location

S4FN IT Incorporation

Altıntepe Mah. Galip Bey Cad. Alipaşa Sok. 21/4 Maltepe / İstanbul

Call us on

+90 (216) 388 42 59

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