DDD Invoices

Based in Slovenia, DDD Invoices provides a streamlined API integration platform for e-invoicing and fiscal compliance, facilitating efficient invoicing solutions for businesses across diverse tax landscapes. Founded in 2023 and headquartered in Ljubljana, Slovenia, DDD Invoices specializes in e-invoicing solutions that comply with local and international tax regulations. The company has successfully completed 1 deal, with their latest funding round being a Seed round in May 2026, raising EUR 1. 31 million from investors including Fil Rouge Capital and 500 Global.

DDD Invoices specializes in providing an enterprise-grade platform for e-invoicing and fiscalization through a single API integration. Their core offerings include compliant invoicing and e-invoicing solutions tailored to meet local tax regulations and international requirements, catering to both B2B and B2G markets. The platform enables software providers, such as ERPs, SaaS companies, eCommerce platforms, and accounting software, to automate their invoicing workflows, ensuring compliance with diverse VAT regulations across more than 30 countries. DDD Invoices also offers features such as real-time monitoring of invoices, automated reporting to tax authorities, and secure archiving of electronic documents for legally mandated periods.

The target clientele consists of local independent software vendors as well as international firms needing to navigate complex invoicing mandates and varying digital reporting standards, thereby streamlining operations and reducing time-to-market. DDD Invoices generates revenue through a subscription-based model, where clients pay for access to their invoicing solutions via a single API. The transaction structure is primarily B2B, involving software providers that integrate DDD Invoices' services into their offerings for end-users, which include businesses and governmental entities. Clients benefit from tiered pricing plans that are designed to cater to different scales of operation, with offerings that support both individual invoicing needs and mass invoicing capabilities.

The platform facilitates seamless invoicing transactions, ensuring that businesses can issue and receive compliant invoices globally, while also automating complex compliance tasks. Through these services, DDD Invoices aids its customers in managing their invoicing processes efficiently, thus contributing to reliable revenue generation. Following their Seed funding round in May 2026, wherein they raised EUR 1. 31 million, DDD Invoices plans to enhance its platform by developing new features focused on automating compliance tasks and expanding its geographical reach.

The company aims to penetrate new markets such as Germany and Austria by late 2026, leveraging the recent funding to scale its operations and marketing efforts, while also enhancing product offerings to better serve its expanding customer base.