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Bulgaria to adopt the Euro – are SAP customers ready?

Key Takeaways

• Bulgaria will officially adopt the euro on January 1, 2026, with a conversion rate set at 1.95583 BGN per EUR, requiring businesses to prepare for significant changes in finance, reporting, and compliance.

• Companies must meet legal requirements during the transition, including dual currency display, ensuring historical BGN balances remain auditable, and complying with EU and Bulgarian statutory reporting rules.

• Two primary strategies for SAP users are available: creating new EUR company codes with extensive change management or converting existing company codes to EUR, each involving different complexities and expertise requirements for effective implementation.

On 1 January 2026, Bulgaria will introduce the euro as official currency. For customers running SAP ERP or S/4HANA, this is more than just a currency change- it’s a legal and technical transformation that impacts every aspect of finance, reporting, and compliance.

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On 8 July 2025, the Council of the EU formally approved Bulgaria’s accession to the eurozone, adopting the final legal acts for the country to introduce the euro as official currency on 1 January 2026. The decision fixed the Bulgarian Lev’s conversion rate at 1.95583 BGN per EUR.

For customers running SAP ERP or S/4HANA, this is more than just a currency change – it’s a legal and technical transformation that impacts every aspect of finance, reporting, and compliance.

This currency change brings certain legal requirements, including:

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• Dual display of BGN and EUR required during the transition phase in January.
• Historical BGN balances must remain auditable after conversion.
• Compliance with EU and Bulgarian statutory reporting rules is mandatory.

Businesses running SAP need to start planning now for configuration, data migration, testing, and impact on financial processes.

Broadly, two approaches are possible:

1. New Company Code(s) in EUR

Create new EUR company code(s) and migrate all master data and open items. This requires major internal and external change management driven by the complexity of business processes and cross-company integration.

2. Local Currency Conversion in Existing Company Codes

Convert company code currency from BGN to EUR using SAP Euro conversion tools (for SAP ERP). This keeps company codes intact and avoids disruption to business processes, but it requires deep expertise to handle custom data and industry-specific solutions, and to understand the differences between the technical conversion approaches in SAP ECC and S/4HANA.

Clemens Leider, Transformation Advisory Lead at Xmateria, says: “The euro adoption is not just a technical change – it’s a compliance-driven conversion project. Companies should act early to ensure audit readiness, legal compliance, and a smooth transition in SAP”.

To discuss your options, understand which approach is best for your organisation and determine a clear set of next steps, please get in touch here.

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