How Many EGS Does Your Business Need in Saudi Arabia?

Optimize your invoicing in Saudi Arabia with Zatca E-invoicing. Learn how many EGS (E-Invoice Generating Solutions) your business needs for maximum efficiency.

Ajith Kumar M
July 3, 2023
3 min

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In the ever-evolving digital landscape, e-invoicing has become an integral part of many businesses. It's more efficient, environmentally friendly, and if implemented correctly, can streamline the tax compliance process. In Saudi Arabia, the use of E-Invoice Generating Solutions (EGS) is regulated by the Zakat, Tax and Customs Authority (ZATCA). Understanding how many EGSs your business needs involves several key factors.

The Role of VAT Numbers in EGS

The first factor in determining the number of required EGS is the number of unique VAT numbers a business operates with. ZATCA regulations specify that each unique VAT number requires a separate EGS.

This regulation particularly affects businesses with different VAT registrations for various divisions or subsidiaries. If your business structure is large or comprises distinct entities, multiple EGSs may be necessary to manage e-invoicing effectively and in compliance with the law.

Handling Distinct Invoice Sequences

Another crucial consideration is the number of distinct, unmodifiable invoice sequences generated by your business. If these sequences cannot be adjusted or merged, ZATCA regulations require each to be associated with a separate EGS.

This requirement can impact businesses with complex operations or a wide variety of products or services. If your business involves multiple distinct invoice sequences that cannot be modified, you will likely need to implement multiple EGSs.

Considering Business Size, Invoice Volume, and Redundancy

Other factors such as the size of the business, the volume of invoices, and the need for redundancy can also influence the number of EGSs a business may require. For instance, a larger business with a high volume of transactions may choose to use multiple EGSs to manage different parts of its operations more effectively.

Additionally, some businesses might use more than one EGS as a backup plan to ensure they can still generate invoices if one system is unavailable.

Staying Compliant and Updated

Understanding these various considerations is essential for maintaining compliance. The landscape of e-invoicing is dynamic, and regulations can change rapidly. Staying updated with the latest guidelines from ZATCA and other relevant government bodies is crucial.

Each business is unique, and regulations provide a general framework. How they apply to you may depend on your specific business model and operations. Therefore, it's beneficial to seek advice from professionals who are familiar with these regulations and the technical aspects of implementing EGSs. They can provide tailored advice that suits your particular needs.


While e-invoicing in Saudi Arabia may seem complex, with careful consideration and planning, it can be a smooth process. Understanding your business's specific needs in terms of VAT numbers, invoice sequences, size, and volume can help determine how many EGSs you require, ensuring compliance with ZATCA regulations.

Please note that the information provided here is based on guidelines up to September 2021. Always refer to official government resources or consult with legal advisors familiar with Saudi regulations for the most accurate, real-time information. Staying informed is not just about maintaining compliance—it's about ensuring your business operations are as efficient and effective as possible.

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