Tax Administration System — ITAS / MTS
An Integrated Tax Administration System (ITAS) — increasingly delivered as a Multi-Tax Solution (MTS) — is the core operational platform of a revenue authority. It maintains a single taxpayer register and administers every tax type on one codebase, replacing the fragmented, tax-by-tax systems that many administrations inherit. The system carries the full compliance lifecycle: registration, return filing, assessment, payment and accounting, debt management, audit case selection, objections and appeals. Modern platforms are configuration-driven rather than custom-coded, so legislative change is absorbed through parameter changes instead of software releases. They expose taxpayer self-service portals, integrate with banking and customs systems, and generate the compliance and revenue analytics that allow an authority to move from manual processing to risk-based, data-driven administration.
The problem we solve
Separate systems for each tax type produce conflicting taxpayer records, slow reconciliation, weak compliance visibility, and a legislative change cycle measured in months.
The outcome you get
A single view of every taxpayer, configuration-driven response to legislative change, risk-targeted compliance effort, and self-service that lowers the cost of compliance.
Scoped, delivered, documented.
Unified taxpayer register
single view of the taxpayer
- Registration, filing, assessment, payment and accounting
- Risk-based audit selection, debt management, objections and appeals
- Self-service portals, e-filing, e-payment and third-party integration
Start with a discovery conversation.
Tell us your environment and objectives — we respond within one business day.