High-confidence Spanish tax intelligence
Zottio Tax Intelligence
A practical tax assistant for Spanish freelancers, SMEs, and advisors: evidence-backed guidance, confidence cues, and review-friendly outputs before filing.
Spanish source-first coverage (AEAT, BOE, Social Security)
Rule versioning and citation on each recommendation
Confidence score and uncertainty flags per response
Advisor escalation path for final review and filing
Spanish tax focus
AEAT/BOE/SS
Evidence-backed
Citations + sources
Uncertainty flags
Confidence aware
Advisor escalation
Advisor path
What Tax Intelligence delivers
Core capabilities
Ask tax questions in plain language
- Handle IRPF, IVA, Modelo 303 and deduction logic questions.
- Get rule and context shown alongside each answer.
- Keep follow-up questions visible for continuity.
Open AI assistant
IVA and IRPF guidance and simulation
- Estimate key taxes with assumptions made explicit.
- Compare alternatives (baseline vs optimization options).
- Track differences by confidence and audit impact.
Open IVA calculator
Invoice and document intelligence
- Attach tax logic to sources: invoices, documents, summaries.
- Spot missing inputs and classify what must be recovered.
- Keep every number linked to evidence for later review.
Upload invoice
Scenario planning
- Model quarterly and annual variation in tax liabilities.
- Set what-if options for expenses, revenue and withholding.
- See likely outcomes with risk notes for each scenario.
Run quarterly estimate
Filing and deadline guidance
- Map obligations by profile and cycle.
- Prioritise next actions by deadline pressure.
- Create a clear review checklist before filing.
Review filing flow
Accounting proof and audit trail
- Preserve original figures and transformation steps.
- Expose confidence and uncertainty for every estimate.
- Hand over structured notes to advisors for sign-off.
Review accounting evidence
How it works
Ask. Upload. Review. with confidence
Step 1
1) Ask a tax question or upload supporting evidence.
Step 2
2) Zottio analyses the material and applies relevant tax rules.
Step 3
3) Review the answer, confidence score, uncertainties, and next action.
Trust loop
Evidence score
94%
Data points with source attachments.
Uncertainty
Moderate
Open follow-ups required before final sign-off.
Advisor escalation
When confidence drops or assumptions are missing, the workflow routes to advisor review before execution.
Example intelligence cards
What useful outputs look like
Modelo 303: mixed-use VAT expense
87% confidence · sample output
Adjusted base: €1,284.50 · Proposed VAT: €273.34 · Outcome: conservative
Evidence
Invoice + support receipt + usage allocation
Review source documents and proceed with draft filing
Open Modelo 303 workflow
Deductible laptop expense
93% confidence · sample output
Suggested deduction: 60% · Supporting evidence items: 2
Evidence
Invoice + asset register + use policy
Keep assumption and attach to audit notes
Review deductible expenses
VAT classification for foreign invoice
72% confidence · sample output
Suggested classification: 0% reverse-charge route · Needs review
Evidence
VAT number + country + service scope
Ask advisor to validate and finalise registration
Upload invoice for classification
Quarterly cash estimate
81% confidence · sample output
Expected liquidity impact: -€1,150 vs last quarter baseline
Evidence
Payroll snapshot + recurring revenue + deductible spend
Set aside liquidity and validate final deadline
Run quarterly cash estimate
Safety and transparency
Transparent by design
- • Sources are linked to official references and version tags where possible.
- • Each response includes confidence and uncertainty notes.
- • If required information is missing, the system flags it and prompts for more context.
- • Final tax filing requires advisor or owner confirmation before submission.
Example intelligence cards
Ready to use Tax Intelligence for your workflow
Use this trusted hub for tax understanding, scenario planning, and advisor-ready evidence, then move to filing with confidence.
Tools