ZZI
ZZI d.o.o. is a Slovenian IT company operating the bizBox cloud platform for electronic invoicing, EDI, customs clearance, and certified document archiving, serving over 10,000 connected companies, government bodies, and logistics providers across Slovenia, Montenegro, and Croatia.
- Company typePrivate
- Founded1989
- HeadquartersLjubljana, Slovenia
- Headcount11–50
- GTM typeB2B
- OfferingSoftware
What ZZI does
ZZI d.o.o. is a Slovenian private IT company founded in 1989 and headquartered in Ljubljana, specializing in electronic data interchange (EDI), electronic invoicing, customs clearance systems, and certified document archiving. The company operates the bizBox cloud platform as its core offering, which connects over 10,000 companies through 10,000+ connectors across 30+ integrated ERP and DMS solutions. ZZI's product portfolio includes ZZInet (EDI network), eRačuni (eInvoicing) processing 25,000-80,000 invoices monthly, eHramba.si (certified electronic archiving), bizBox eKompenzacije (compensation processing), LogChain (logistics tracking), and a comprehensive eCustoms suite covering EU customs declarations (ZZIeul), export/import control (ZZIecs/ZZIics), NCTS transit (ZZIncts), excise movements (ZZIemcs), and Intrastat reporting (ZZIstat).
The company's technology stack integrates IBM (Message Broker, ESB, Partner Gateway, WAS), Microsoft (BizTalk), and Oracle platforms, supporting GS1 and CEN electronic document standards. ZZI generates revenue through a mix of subscription-based contracts for its platform and modules, plus transaction-based fees for invoice and EDI document processing. Pricing is quote-based and negotiated per customer.
ZZI serves large Slovenian enterprises and government bodies, with named customers including Impol, Mercator, Luka Koper, AdriaKombi, the Statistical Office of Slovenia (SURS), and the Ministry of Foreign Affairs. The company holds ISO 9001 and ISO/IEC 27001 certifications, is recognized by the European Commission as one of two main eInvoicing providers in Slovenia, and operates a wholly-owned subsidiary in Podgorica, Montenegro. Recent expansion includes certification for Croatia's Fiscalization 2.0 framework effective January 2026, signaling entry into a third national market.
ZZI firmographics
Firmographics- Name
- ZZI
- Legal name
- ZZI d.o.o.
- Website
- https://zzi.si
- Company type
- Private
- Founded year
- 1989
- Operating status
- Operating
- Headcount range
- 11–50 employees
- Short description
- ZZI d.o.o. is a Slovenian IT company operating the bizBox cloud platform for electronic invoicing, EDI, customs clearance, and certified document archiving, serving over 10,000 connected companies, government bodies, and logistics providers across Slovenia, Montenegro, and Croatia.
- Ownership category
- akta.pro rank
ZZI industry classification
Industry- Product category
- Electronic Data Interchange & eInvoicing Software
- NAICS
- Software Publishers (51321)
- SIC
- Services-Computer Programming, Data Processing, Etc. (7370)
- akta.pro primary industry
- Contract Lifecycle Management (CLM) & Document Generation/Templating (HDAEAGAL)
Keywords
Where ZZI is headquartered
LocationHeadquarters
- HQ city
- Ljubljana
- HQ country
- Slovenia
- HQ region
- Europe
Offices2 records
Markets served
ZZI business model
Business model- GTM type
- B2B
- Offering type
- Software
- Cost components
- Technology or R&D, Personnel, Operations, Infrastructure, Marketing or Sales
Revenue model
- Subscription Services (bizBox platform): Annual or recurring subscription fees for access to the bizBox eInvoicing and EDI platform, including support and platform maintenance. Revenue is recurring in nature with multi-year contract potential.
- Transaction-based Processing: Per-transaction fees for processing electronic invoices and EDI documents through the ZZInet network. Approximately 25,000–80,000 invoices processed monthly, generating volume-based revenue.
- Customs and Compliance Solutions: Licensing and service fees for specialized customs clearance modules (ZZIeul, ZZIecs, ZZIics, ZZIncts), Intrastat (ZZIstat), and excise management (ZZIemcs) sold to trading and logistics companies, often as subscriptions or one-time licenses.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Subscription | Annual | Custom enterprise pricing — tailored to transaction volume, connector count, and solution modules |
| Transaction based/ take rate | Pay-as-you-go | Transaction-based pricing — volume-linked per invoice or per document |
Go-to-market motion2 records
Distribution channels2 records
Marketing channels2 records
ZZI product offering
Product offeringCore offering
ZZI develops and operates the bizBox cloud platform for paperless business operations, providing electronic invoicing, EDI document exchange, certified electronic archiving, and a comprehensive suite of EU customs and external-trade compliance modules (ZZIeul, ZZIecs, ZZIics, ZZIncts, ZZIemcs, ZZIstat). The platform connects over 10,000 companies via 10,000+ connectors across 30+ ERP and DMS integrations, processing roughly 25,000–80,000 invoices per month, primarily for Slovenian enterprises, logistics providers, and government bodies.
Product overview
ZZI offers a platform-plus-modules architecture centered on the bizBox cloud platform for paperless business operations. The core offering includes bizBox as the central integration hub connecting more than 30 ERP/DMS solutions and over 25,000 companies. Key modules include: eRačuni (eInvoicing) processing 80,000 monthly invoices; eHramba.si (certified electronic archiving); eIzmenjava (EDI network with 10,000+ connectors); eKompenzacije (compensation processing); and Logistična platforma (logistics tracking). For customs and external trade, ZZI provides the eCustoms platform with ZZIeul (customs clearance), ZZIecs/ZZIics (control systems), ZZIncts (NCTS transit), ZZIemcs (excise movements), and ZZIstat (Intrastat reporting). The products work together as an integrated ecosystem enabling paperless business between companies, government, and partners.
Differentiator
Problem solved
Functional benefit
Brands
- bizBox: Cloud platform for paperless business operations and e-interchange with business partners, integrating e-invoicing, electronic archiving, customs modules, and document exchange
- ZZInet
- eCustoms
- eArchive.me / eHramba.si
- LogChain
Products and services
- bizBox Cloud-based paperless business platform that combines document exchange, eArchive, eInvoicing, external-trade modules, and eCatalog functionality. Serves as the central eBusiness integration hub for over 25,000 companies and 30+ ERP/DMS solutions.
- ZZInet / bizBox eIzmenjava (EDI Network) Electronic data interchange network connecting 10,000+ companies for standardized document exchange between businesses, government and partners. Supports EDI, GS1 and CEN standards with 24/7 availability and interoperability with other networks (Banks, GXS, x.400, Panteon.net, Public Administration, Customs).
- eRačuni (eInvoicing) Electronic invoicing service enabling automated formal issuance, signing, archiving and delivery of eInvoices. Processes approximately 80,000 invoices per month to the UJP network, ranking first among Slovenian electronic invoice providers.
- eHramba.si / eArchive.me Certified long-term electronic document archiving service providing authenticity and integrity verification through digital certificates and time stamping. Software and service are certified by the Archives of the Republic of Slovenia, providing legally compliant electronic document capture and archiving.
- bizBox eKompenzacije Digital solution for executing chain and reciprocal compensations between companies, with digital operational process execution and automation for both small and large enterprises.
- bizBox Logistična platforma (LogChain) Digital logistics platform providing real-time tracking and control of shipments and parcels, automated customer and warehouse notifications, and integration with existing warehouse management systems.
- ZZI eCustoms / bizBox eCustoms Comprehensive customs solutions platform for external trade including import/export procedures, customs declarations, ICS/ECS control procedures, NCTS transit, EMCS excise movements and Intrastat reporting. Designed for companies and their representatives under EU and global standards.
- ZZIeul Customs clearance software providing complete support for customs procedures at import and export with simplified procedures, eBusiness and bookkeeping entries. Connects to the Slovenian Financial Administration.
- ZZIecs / ZZIics (Import & Export Control System) Import and Export Control System modules. ZZIecs enables electronic notification of goods and exit summary declarations. ZZIics handles entry summary declarations for EU import procedures.
- ZZIncts (NCTS) EU Transit procedures management system enabling NCTS procedures at arrival and dispatch locations. Accessible 24/7 with real-time transit shipment management.
- ZZIemcs Excise Movement Control System for managing movements of excisable goods (oil products, alcohol, tobacco) with electronic document exchange via the EMCS system.
- ZZIstat Intrastat reporting solution for preparation and electronic submission of INTRASTAT reports, supporting monthly reporting for goods movements within the EU.
- eNabiralnik (bizMailbox) Secure electronic mailbox with long-term document archiving technology and eInterchange connector. Enables small users to formally receive and review electronic documents via the web without local software investments.
- eLogistične nalepke (eLabels) Standardized logistics labeling solution for supply chain units. Content and form meet the requirements of major Slovenian wholesalers (Spar, Tuš, Lidl) with GS1 conformity verification.
Companies that use ZZI
Customer profileNamed customers7 records
Segments3 records
Ideal customer profiles3 records
ZZI technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
Integration4 records
Feature9 records
ZZI partnerships and signals
Strategic signalPartnerships
Five partnerships are on record, tiered core and minor.
- IBMcoreCertified technology partner. ZZI develops and deploys solutions on IBM technology platforms including IBM Message Broker, IBM Enterprise Service Bus (ESB), IBM Partner Gateway, and IBM WebSphere Application Server (WAS). These integrations form the technical backbone of ZZI's EDI and customs clearance solutions.
- OraclecoreTechnology partner. ZZI develops and deploys solutions on Oracle platforms as part of its multi-platform technology strategy. Oracle's enterprise infrastructure complements IBM and Microsoft integrations within ZZI's technical stack.
- MicrosoftcoreTechnology partner. ZZI develops and deploys solutions on Microsoft technology platforms, including Microsoft BizTalk Server, which is used for enterprise application integration and EDI workflows within the bizBox platform.
- EESPA (European E-invoicing Service Providers Association)minorIndustry association membership. ZZI is a member of EESPA, the European E-invoicing Service Providers Association, which provides a platform for collaboration on eInvoicing standards, regulatory compliance, and best practices across Europe.
- Bankart Banks NetworkcoreCompetitive and complementary partnership in Slovenia's eInvoicing ecosystem. The Bankart Banks Network represents the banking channel for eInvoice exchange, while ZZI's bizBox provides the non-banking (enterprise/government) channel. Together they constitute the two main eInvoicing solution providers in Slovenia, as recognized by the European Commission.
Scale indicators5 records
Recent moves6 records
Expansion highlights5 records
ZZI competitors and assessment
Company assessmentDirect peers
- Bankart: Slovenian banking network operator providing eInvoicing services through the Slovenian banking channel. Directly comparable as the other primary eInvoicing provider in Slovenia, recognized alongside ZZI by the European Commission as one of the two main national solutions.
- Tradeshift: Global eInvoicing and supply chain finance platform connecting businesses via digital networks. Comparable as a network-based eInvoicing/EDI platform with similar document interchange architecture and B2B focus.
- Basware: Finland-based global provider of AP automation and eInvoicing solutions. Highly comparable as an eInvoicing platform with similar enterprise customer focus, regulatory/compliance emphasis, and B2B document interchange architecture.
- TrueCommerce: Global EDI and supply chain integration platform. Directly comparable for EDI network operations, ERP integrations, and supply chain document exchange — areas central to ZZI's bizBox/ZZInet platform.
- Pagero: Swedish-headquartered eInvoicing and EDI network operator providing cloud-based Peppol access points and electronic document exchange globally. Closest comparable as a pure-play eInvoicing/EDI network platform serving similar enterprise compliance use cases across multiple European markets.
Broad incumbents
- SAP Ariba: SAP's procurement and eInvoicing platform with global network reach. Comparable for enterprise eInvoicing and B2B commerce, though it operates as part of SAP's broader enterprise application portfolio rather than as a pure-play eInvoicing specialist.
- IBM Sterling: IBM's supply chain and EDI platform. Highly comparable given ZZI's deep IBM technology stack integration (Message Broker, ESB, Partner Gateway, WAS); represents both a technology backbone partner and potential competitor in the EDI space.
Regional players
- Asseco Poland: Major Polish IT conglomerate with ERP, banking, and EDI/eInvoicing solutions across Central and Eastern Europe. Comparable as a regional IT services and platform provider targeting similar enterprise and government customer segments.
- Comtrade: Slovenian/regional IT solutions provider with software development and integration services. Comparable as a regional IT services peer operating in Slovenia and the Adriatic with similar enterprise customer base and technology services orientation.
- Comarch: Polish IT/software company with ERP, EDI, and eInvoicing solutions across Central Europe. Comparable as a regional ERP integration and EDI platform provider serving Central European markets with similar enterprise/government customer focus.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat5 records
Key risks6 records
Key highlights6 records
Customer concentration
ZZI social profiles
Digital presenceZZI compliance and trust
Trust signalCompliance4 records
ZZI financial estimates
Financial estimateRevenue estimate
Valuation estimate
ZZI leadership team
Management profileNumber of profiles
Profiles2 records
ZZI subsidiaries and ownership
Company hierarchySubsidiaries1 record
ZZI funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
ZZI M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about ZZI
What does ZZI do?
ZZI develops and operates the bizBox cloud platform for paperless business operations, providing electronic invoicing, EDI document exchange, certified electronic archiving, and a comprehensive suite of EU customs and external-trade compliance modules (ZZIeul, ZZIecs, ZZIics, ZZIncts, ZZIemcs, ZZIstat). The platform connects over 10,000 companies via 10,000+ connectors across 30+ ERP and DMS integrations, processing roughly 25,000–80,000 invoices per month, primarily for Slovenian enterprises, logistics providers, and government bodies.
Is ZZI a public or private company?
ZZI is a private company. It is classified as founder individual operated bootstrapped and is currently operating.
When was ZZI founded?
ZZI was founded in 1989. It employs 11 to 50 people.
Where is ZZI based?
ZZI is headquartered in Ljubljana, Slovenia, in the Europe region.
How does ZZI make money?
Three revenue lines are on record. Subscription Services (bizBox platform) is the primary driver. The others are transaction-based Processing and customs and Compliance Solutions.
Who are ZZI's main competitors?
Direct peers on record are Bankart, Tradeshift, Basware, TrueCommerce and Pagero. Broad incumbents are SAP Ariba and IBM Sterling. Regional players are Asseco Poland, Comtrade and Comarch.
Does ZZI have an API?
No public API is recorded for ZZI.
What industry is ZZI in?
ZZI's product category is Electronic Data Interchange & eInvoicing Software. Its primary akta.pro industry code is HDAEAGAL, Contract Lifecycle Management (CLM) & Document Generation/Templating. Its NAICS code is 51321 and its SIC code is 7370.