| Mano VMI | SYS-14ACE7C167 | Provides taxpayer self-service for registrations, requests, refunds, payment arrangements and other tax administration services. | operates / provides | Not publicly identified | official Mano VMI page | high |
| Elektroninio deklaravimo sistema (EDS) | SYS-9158F759CA | Accepts electronic tax returns and supporting documents. | operates / provides | Not publicly identified | official EDS service | high |
| Išmanioji mokesčių administravimo sistema (i.MAS), including i.SAF and i.VAZ | SYS-9AB43BCFCA | Processes invoice-register and consignment-note data for smart tax administration. | operates / administers | Not publicly identified; the official page confirms VMI-acquired computing infrastructure but does not name its supplier | official i.MAS page | high |
| Integruota mokesčių informacinė sistema (IMIS) | SYS-857EC6A27F | Integrated information system supporting VMI tax administration processes. | operates / procured modernization | UAB CORNER CASE TECHNOLOGIES — modernization supplier under a EUR 859,504.13 contract signed 2026-07-09; the award does not prove original development, hosting or production release | CVP IS contract-award notice | high |
| Oracle database-management software licences | SYS-203C50CF3C | Licences database software used within VMI's IT estate. | procures / uses | Proit — licence supplier under a EUR 304,190.22 contract signed 2026-07-10; the award does not identify the systems using the licences or their hosting | CVP IS contract-award notice | high |
| Additional VMI systems: EPRIS, TIES, AIS, i.APS, i.ŽUR, OSS and SVS | SYS-52DA23C08D | Additional electronic tax-administration and taxpayer-service systems listed in VMI's public system catalogue. | operates / provides | Not publicly identified | official VMI portal | high |
| Pridėtinės vertės mokesčio informacijos mainų sistema ITIS_EU | SYS-B6A420C06F | Exchanges VAT information between European Union member states. | operates / procures modernization and consulting (planned) | Not publicly identified; the open-tender notice proves intended procurement only, not an award, signed contract, delivery or production release | CVP IS procurement notice | high |
| Išmaniosios kontrolės procesų valdymo posistemis (i.KON) | SYS-3791C39F61 | Supports smart-control process management and risk analysis. | operates / attempted procurement of risk-analysis-module development | Not publicly identified; the award-form notice explicitly says no winner was selected and the procedure ended because all submissions were withdrawn or unacceptable | CVP IS unsuccessful-procedure notice | high |